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16th Workshop on Critical Point and Onset of Deconfinement

Apr 13 – 17, 2026
CERN
Europe/Zurich timezone

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Contribution List

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  1. 105. ALICE overview
    Swati Saha (IIT- Indian Institute of Technology (IN))
    4/13/26, 9:10 AM
  2. 106. HADES overview
    Marvin Nabroth
    4/13/26, 9:40 AM
  3. 107. NA61 overview
    Seweryn Kowalski (University of Silesia (PL))
    4/13/26, 10:10 AM
  4. 108. STAR overview
    Dr Fan Si (Heidelberg University (DE))
    4/13/26, 11:00 AM
  5. 109. CBM overview
    Piotr Gasik (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))
    4/13/26, 11:30 AM
  6. 110. NA60/DiCE overview
    Giacomo Alocco (Universita e INFN, Torino (IT))
    4/13/26, 12:00 PM
  7. 114. Physics opportunities for fixed target experiments at EIC.
    Charles Joseph Naim
    4/13/26, 2:00 PM
  8. 111. Probes of collectivity in large and small systems with ATLAS
    Patrycja Anna Potepa (AGH University of Krakow (PL))
    4/13/26, 2:20 PM
  9. 112. CMS overview
    Dr Georgios Krintiras (The University of Kansas (US))
    4/13/26, 2:40 PM
  10. 113. LHCb overview
    Imanol Corredoira (Université Paris-Saclay (FR))
    4/13/26, 3:00 PM
  11. 115. QCD phase structure from Lattice QCD
    Jana N. Guenther (University of Wuppertal)
    4/13/26, 3:50 PM
  12. 116. FRG approach to the QCD phase diagram
    Prof. Wei-jie Fu (Dalian University of Technology)
    4/13/26, 4:20 PM
  13. 117. Bridging Theory/Phenomenology and Experiment in Fluctuation Studies
    Dr Anar Rustamov (GSI Helmholtzzentrum für Schwerionenforschung GmbH)
    4/13/26, 4:50 PM
  14. 118. Quarkyonic matter
    Larry McLerran
    4/13/26, 5:20 PM
  15. 135. Three regimes/phases of QCD at high T, their symmetries and Nc scaling
    Leonid Glozman
    4/14/26, 9:00 AM
  16. 137. Bubble Nucleation in an Expanding Supercooled Quark–Gluon Plasma with a Critical-Point Equation of State
    Noriyuki Sogabe
    4/14/26, 9:20 AM
  17. 182. Supercooled Goldstones at the QCD chiral phase transition
    Dr Aleksas Mazeliauskas
    4/14/26, 9:40 AM
    Oral
    Session 5
  18. 136. Superfluid dynamics of the QCD chiral phase transition
    Jannis Gebhard (Heidelberg University)
    4/14/26, 10:00 AM
  19. 139. Dissecting the moat regime at low energies
    Shi Yin (Institute for Theoretical Physics, Justus Liebig University Giessen)
    4/14/26, 10:20 AM
  20. 121. Transport properties from lattice QCD
    Dibyendu Bala (Bielefeld University)
    4/14/26, 11:00 AM
  21. 122. HRG models
    Peter Braun-Munzinger (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))
    4/14/26, 11:30 AM
  22. 172. Interplay of Electromagnetic Fields and Baryon Diffusion in Directed Flow Splitting
    Mr Tribhuban Parida (AGH UST Krakow)
    4/14/26, 12:00 PM
  23. 173. Towards Physics-Informed Parameterization of QCD EoS
    Dr Yi Yin (Chinese University of Hong Kong (Shenzhen))
    4/14/26, 12:20 PM
  24. 147. Non-Monotonicity of pT Correlations in Au + Au Collisions at RHIC-STAR
    Mr Rutik Manikandhan (University of Houston)
    4/14/26, 2:00 PM
  25. 119. State of the art in fluctuation dynamics theory
    Prof. Gokce Basar (University of North Carolina, Chapel Hill)
    4/14/26, 2:20 PM
  26. 120. MUSES: results on the critical point
    Dr Johannès Jahan (University of Houston - Department of Physics)
    4/14/26, 2:50 PM
  27. 148. Unveiling QCD Criticality in Rapidity Scan via Cross-Cumulant
    Jianing Li
    4/14/26, 3:20 PM
  28. 143. Probing Three-Body Baryonic Interactions via Triplet Femtoscopy at STAR
    Ke Mi (University of Chinese Academy of Sciences / Central China Normal University)
    4/14/26, 4:10 PM
  29. 144. Relating the onset density of quark deconfinement in neutron stars and heavy ion collisions
    Oleksii Ivanytskyi (University of Wroclaw)
    4/14/26, 4:30 PM
  30. 130. Connecting neutron stars to heavy-ion collisions theory
    Agnieszka Sorensen (Institute for Nuclear Theory), Agnieszka Sorensen (University of Washington)
    4/14/26, 4:50 PM
  31. 166. Isospin symmetry violation measurements by NA61/SHINE
    Andrzej Krzysztof Rybicki (Polish Academy of Sciences (PL))
    4/14/26, 5:20 PM
  32. 123. CP and 1st-Order Phase Boundary: theory overview
    Jamie Karthein (MIT), Dr Jamie Karthein (MIT)
    4/15/26, 9:00 AM
  33. 124. Experimental overview of net-proton fluctuations measurements
    Xin Dong
    4/15/26, 9:30 AM
  34. 151. E-by-E fluctuations of proton and light nuclei numbers measured at HADES
    Marvin Nabroth
    4/15/26, 10:00 AM
  35. 149. Relative particle yield fluctuations in Au+Au collisions at RHIC BES-II
    Ashish Pandav
    4/15/26, 10:20 AM
  36. 140. Searching for echoes of criticality in OO collisions with ALICE
    Mario Ciacco (Universita and INFN Torino (IT))
    4/15/26, 11:10 AM
  37. 141. News on (charged and neutral) hadron production in central nucleus-nucleus collisions from NA61/SHINE at the CERN SPS
    Oleksandra Panova (Institute of Nuclear Physics Polish Academy of Sciences (PL)), Yuliia Balkova (National Centre for Nuclear Research (PL))
    4/15/26, 11:30 AM

    NA61/SHINE is a multipurpose fixed-target experiment located at the CERN SPS. One of its main goals is to study the onset of deconfinement and the properties of strongly interacting matter. For this purpose, a unique two-dimensional scan in collision energy (√sNN = 5.1 − 16.8/17.3 GeV) and system size was performed.
    Results on hadron spectra produced in nucleus-nucleus collisions, including...

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  38. 142. QCD phase boundary from strangeness fluctuations on a high statistics lattice data set
    Piyush Kumar (University of Wuppertal)
    4/15/26, 11:50 AM
  39. 179. Yang-Lee edge singularity structure beyond standard lattice algorithms
    Szabolcs Istvan Borsanyi
    4/15/26, 12:10 PM
  40. 180. Directed and Triangular Flow of Protons and Vector Mesons in the High Baryon Density Region at RHIC
    Guangyu Zheng (University of Chinese Academy of Sciences)
    4/15/26, 12:30 PM
    Oral
    Session 11
  41. 152. Probing the QCD critical point by finite-size scaling of fluctuations in Au+Au collisions at RHIC
    Yige Huang
    4/15/26, 2:00 PM
  42. 153. News in the search for the critical point at NA61/SHINE.
    Barnabas Porfy (HUN-REN Wigner Research Centre for Physics (HU))
    4/15/26, 2:20 PM

    The NA61/SHINE experiment at the CERN SPS is a multipurpose fixed-target spectrometer for charged and neutral hadron measurements. Its research program includes strong interaction studies focusing on the exploration of the QCD phase diagram and understanding the phase structures of strongly interacting matter, including the hypothesized QCD critical point. To map the QCD phase diagram, the...

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  43. 154. Measurement of (Net-)Proton Number Fluctuations in Au+Au Collisions from RHIC-STAR : A Centrality-independent Method
    Zhaohui Wang (Central China Normal University)
    4/15/26, 2:40 PM
  44. 155. Inhomogeneous instabilities in high-density QCD
    Franz Richard Sattler (University Bielefeld)
    4/15/26, 3:00 PM
  45. 156. Performance of the CBM experiment to study the net-proton fluctuations
    Rudrapriya Das (Bose Institute)
    4/15/26, 3:20 PM
  46. 181. Residual 3rd-body Coulomb Effect on Identical Charged Pion Correlations in Au+Au Collisions at STAR
    Nu Xu (Lawrence Berkeley National Lab. (US))
    4/15/26, 3:40 PM
  47. 125. Dectector development: DRD5
    Michael Doser (Massachusetts Inst. of Technology (US))
    4/15/26, 4:30 PM
  48. 126. CERN ion accelerator complex
    Reyes Alemany Fernandez (CERN)
    4/15/26, 4:50 PM
  49. 145. ALICE 3: a next-generation heavy-ion detector for LHC Run 5
    Marianna Mazzilli (Universita e INFN, Bari (IT))
    4/15/26, 5:10 PM
  50. 157. Full BSQ diffusion matrix effects in 3+1D simulations on conserved charge cumulants
    Kevin P. Pala
    4/16/26, 9:00 AM
  51. 158. Constructing a 4D T'-expanded lattice QCD equation of state with a multi-dimensional critical contribution
    Francesco Di Clemente (University of Houston)
    4/16/26, 9:20 AM
  52. 159. Towards a general framework for relativistic fluctuating hydrodynamics
    Xin An (Ghent University)
    4/16/26, 9:40 AM
  53. 160. Real-time stochastic dynamics near a QCD critical point
    Thomas Schaefer
    4/16/26, 10:00 AM
  54. 127. Electromagnetic  probes experiments
    Szymon Harabasz
    4/16/26, 10:50 AM
  55. 131. Low-mass, low-momentum virtual photon measurements with HADES
    Ms Iuliana-Carina Udrea (Technische Universität Darmstadt)
    4/16/26, 11:10 AM
  56. 132. Combined Description of Thermal and Vacuum Contributions to the Dilepton Spectrum
    Jessica Ou Ya Vogel
    4/16/26, 11:30 AM
  57. 133. How does a phase transition impact dilepton production?
    Renan Góes-Hirayama (FIAS)
    4/16/26, 11:50 AM
  58. 134. Flow phenomena at high nuclear densities with HADES
    Mr Behruz Kardan (IKF, Uni-Frankfurt)
    4/16/26, 12:10 PM
  59. 169. Correlation of baryon number and charge at finite baryon density from S-matrix calculation
    Vojtěch Honěk (FNSPE, CTU in Prague)
    4/16/26, 2:00 PM
  60. 170. Elliptic flow of deuterons and the mechanism of their production
    Boris Tomasik
    4/16/26, 2:20 PM
  61. 171. Canonical statistical hadronization with local charge conservation for fluctuations and correlations
    Dr Volodymyr Vovchenko (University of Houston)
    4/16/26, 2:40 PM
  62. 174. Hidden news on strangeness production in NA61/SHINE
    Antoni Marcinek (Polish Academy of Sciences (PL))
    4/16/26, 3:00 PM
  63. 175. Strange hadron production in O+O collisions at sqrt(s_NN)= 200 GeV at STAR
    Iris Ponce (Yale University)
    4/16/26, 3:20 PM
  64. 176. System size dependence of particle production with ALICE
    Nicolò Jacazio (Universita del Piemonte Orientale (IT))
    4/16/26, 3:40 PM
  65. 128. Baryon junctions
    Gregoire Marvin Nelson Pihan (University of Houston)
    4/17/26, 9:00 AM
  66. 129. Hydrodynamic models of heavy ion collisions
    Dr Iurii Karpenko (FNSPE CTU in Prague)
    4/17/26, 9:30 AM
  67. 167. Charged Pion Production in Au+Au Collisions at sqrt(s) =3 - 4.5 GeV with the STAR Detector
    Liubing Chen (Central China Normal University)
    4/17/26, 10:00 AM
  68. 177. Packing baryons into a lattice: lattice QCD canonical results at physical quark masses
    Ludovica Pirelli (Bergische Universität Wuppertal)
    4/17/26, 10:20 AM
  69. 161. How soft is strangeness-neutral QCD matter? Contrasting material parameters at finite baryon density from (2+1)-flavor lattice QCD with heavy-ion data
    Jishnu Goswami (Bielefeld University)
    4/17/26, 11:10 AM
  70. 163. Antiproton puzzle
    Dr Volodymyr Vovchenko (University of Houston)
    4/17/26, 11:30 AM
  71. 102. Accelerator complex for ions at CERN
    Reyes Alemany Fernandez (CERN)
    Oral
  72. 57. ALICE 3: a next-generation heavy-ion detector for LHC Run 5
    Marianna Mazzilli (Universita e INFN, Bari (IT))
    Future Experiments
    Oral

    The ALICE Collaboration has proposed a new detector concept, ALICE 3, for LHC Run 5 (LoI, arXiv:2211.02491). The detector features a large pixel-based tracking system covering a wide range in pseudorapidity, complemented by advanced particle-identification subsystems, including silicon time-of-flight layers and a ring-imaging Cherenkov detector. A retractable vertex detector installed inside...

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  73. 72. Antiproton puzzle
    Adam Bzdak (AGH University of Science and Technology)
    Critical Point
    Oral

    In this talk, I will present our study [1] on joint factorial cumulants of protons and antiprotons in relativistic heavy-ion collisions. We find that if the correlations in the system arise solely from long-range effects, such as global baryon conservation and volume fluctuations, these cumulants should follow a universal scaling with acceptance. The STAR results from phase I of the RHIC Beam...

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  74. 91. Baryon junctions
    Gregoire Marvin Nelson Pihan (University of Houston)
  75. 33. Bubble Nucleation in an Expanding Supercooled Quark–Gluon Plasma with a Critical-Point Equation of State
    Noriyuki Sogabe
    Phase Transition
    Oral

    At the last CPOD meeting, STAR reported Beam Energy Scan (BES)-II baryon cumulant data that exhibit a non-monotonic dependence on collision energy, suggesting critical behavior. Identifying signatures of the associated first-order chiral phase transition would complement these fluctuation measurements and help establish a more robust picture of the phase structure at high baryon density.

    To...

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  76. 73. Canonical statistical hadronization with local charge conservation for fluctuations and correlations
    Dr Volodymyr Vovchenko (University of Houston)
    Hadronization
    Oral

    We develop a general framework for event-by-event fluctuations and correlations of hadron numbers in statistical hadronization with exact conservation of multiple charges, building on the density–correlation formalism of Refs. [1,2]. The approach incorporates local charge conservation and microscopic particle correlations, including excluded-volume effects, baryon–antibaryon annihilation,...

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  77. 35. Charged Pion Production in Au+Au Collisions at $\sqrt{s_{\mathrm{NN}}} = 3.0$ - $4.5$ GeV with the STAR Detector
    Liubing Chen (Central China Normal University)
    Hadronization
    Oral

    Author: Liubing Chen

    Charged pion production in heavy-ion collisions at energies of a few GeV per nucleon pair is essential for exploring the bulk properties and equation of state of QCD matter in the high baryon density regime. The STAR experiment at RHIC has conducted a comprehensive Beam Energy Scan from $\sqrt{s_{\mathrm{NN}}} = 13.7~\mathrm{GeV}$ down to $\sqrt{s_{\mathrm{NN}}} =...

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  78. 17. Combined Description of Thermal and Vacuum Contributions to the Dilepton Spectrum
    Jessica Ou Ya Vogel
    Phase Transition
    Oral

    Measurements of dileptons emitted from heavy-ion collisions provide insights into the properties of the created fireball. As leptons are unaffected by strong final-state interactions, they carry valuable information about the hot and dense medium formed in the early stages of the collision. The high baryon densities achieved in heavy-ion reactions at a few GeV induce significant medium effects...

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  79. 93. Connecting neutron stars to heavy-ion collisions theory
    Ms Agnieszka Sorensen (University of California, Los Angeles), Agnieszka Sorensen (University of Washington), Agnieszka Sorensen (Institute for Nuclear Theory)
    Oral
  80. 40. Constructing a 4D T'-expanded lattice QCD equation of state with a multi-dimensional critical contribution
    Francesco Di Clemente (University of Ferrara), Dr Johannès Jahan (University of Houston - Department of Physics)
    Critical Point
    Oral

    Recently, a new equation of state based on the two-dimensional T'-expansion scheme with a parametrizable critical point from the 3D Ising model was released. It allows to produce a family of equations of state which can be used to study the effect of critical point in the QCD phase diagram, primordial to infer its existence and location from experimental results. Employing the newly developed...

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  81. 41. Correlation of baryon number and charge at finite baryon density from S-matrix calculation
    Vojtěch Honěk (FNSPE, CTU in Prague)
    Hadronization
    Oral

    We calculate the BQ susceptibility of an interacting hadron gas an non-vanishing baryon density. The pion-nucleon interation is accounted for with the help of S-matrix. The susceptibility largely increases when the chemical potential grows. We show the results evaluated along the chemical freeze-out line, which provides non-critical reference for this observable. Also, we study the evolution...

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  82. 168. Correlation of baryon number and charge at finite baryon density from S-matrix calculation
    Vojtěch Honěk (FNSPE, CTU in Prague)
  83. 67. Deep Generative tools for Bayesian constraints on the dense nuclear matter EoS
    Manjunath Omana Kuttan (Frankfurt Institute for Advanced Studies)
    Future Experiments
    Oral

    Relativistic heavy-ion collisions at GSI, FAIR, RHIC-BES, and HIAF probe the phase structure of QCD matter at moderate temperatures and high densities, where first-principles calculations are infeasible and systematic model-to-data comparison techniques such as Bayesian inference are the norm to extract the underlying physics. However, the computational cost of model simulations limits the use...

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  84. 146. Deep Generative tools for Bayesian constraints on the dense nuclear matter EoS
    Manjunath Omana Kuttan (Frankfurt Institute for Advanced Studies)
  85. 43. Directed and Triangular Flow of Protons and Vector Mesons in the High Baryon Density Region at RHIC
    Guangyu Zheng (University of Chinese Academy of Sciences)
    Oral

    This talk will present the energy dependence of proton $v_3$ with respect to the first-order event plane, determined using the Event Plane Detector, as measured by STAR in Au+Au collisions at center-of-mass energies between 3 and 4.5 GeV. Models indicate that $v_3(\psi_1)$ at these energies is generated not by fluctuations but by the collision geometry produced by a combination of nuclear...

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  86. 77. Dissecting the moat regime at low energies
    Shi Yin (Institute for Theoretical Physics, Justus Liebig University Giessen)
    Phase Transition
    Oral

    Dense QCD matter can feature a moat regime, where the static energy of mesons is minimal at nonzero momentum. Valuable insights into this regime can be gained using low-energy models. This, however, requires a careful assessment of model artifacts. We therefore study the effects of renormalization and in-medium modifications of quark-meson interaction on the moat regime. To capture the main...

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  87. 38. E-by-E fluctuations of proton and light nuclei numbers measured at HADES
    Marvin Nabroth
    Critical Point
    Oral

    Experimental studies of QCD matter at extreme densities and moderate temperatures are made possible through low-energy heavy-ion collisions. At SIS18/GSI, the HADES experiment (High-Acceptance Dielectron Spectrometer) is optimized to reconstruct reaction products from heavy-ion collisions at kinetic beam energies of about 1 AGeV, enabling the investigation of freeze-out conditions at the...

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  88. 150. E-by-E fluctuations of proton and light nuclei numbers measured at HADES
    Marvin Nabroth
  89. 104. Electromagnetic  probes experiment
    Szymon HARABASZ, Szymon Harabasz, Szymon Harabasz
    Oral
  90. 45. Elliptic flow of deuterons and the mechanism of their production
    Boris Tomasik (Czech Technical University in Prague (CZ))
    Hadronization
    Oral

    There is ongoing debate about the production mechanism of deuterons. Statistical production seems to describe the yields well, but seems unlikely on the short time scales of the collisions, as the binding energy of the deuteron is much smaller than the typical temperature of the producing hot fireball. The alternative is offered by coalescence. We propose that the two mechanisms could be...

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  91. 84. Experimental overview of net-proton fluctuations measurements
    Xin Dong
    Oral
  92. 103. Extending QCD Frontiers with a Fixed-Target Program at the EIC
    Charles Joseph Naim
    Oral

    The ePIC detector at the future Electron–Ion Collider (EIC) at Brookhaven National Laboratory will be one of the most advanced tools to explore the structure of hadronic matter at small Bjorken-x. By probing protons and nuclei with unprecedented precision, the EIC will open new territories of Quantum Chromodynamics (QCD). Beyond its collider mission, the EIC should be seen as a multi-purpose...

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  93. 10. Flow phenomena at high nuclear densities with HADES
    Mr Behruz Kardan (IKF, Uni-Frankfurt)
    Phase Transition
    Oral

    Heavy-ion collisions in the few-GeV energy range create strongly interacting matter at extreme baryon densities, comparable to those in neutron star mergers. Precise measurements of the Equation-of-State of this kind of matter in this regime are therefore essential for the understanding of neutron stars.

    We present new results from HADES (High-Acceptance Dielectron Spectrometer) located...

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  94. 86. FRG approach to the QCD phase diagram
    Prof. Wei-jie Fu (Dalian University of Technology)
    Oral

    TBA

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  95. 36. Full BSQ diffusion matrix effects in 3+1D simulations on conserved charge cumulants
    Kevin P. Pala
    Critical Point
    Oral

    The Quark–Gluon Plasma has been created and studied for decades in relativistic heavy-ion collisions. Still, a central question remains open: whether a critical point exists in the QCD phase diagram and where it lies. At top RHIC and LHC energies, the system probes high temperature and nearly zero baryon chemical potential. Exploring finite-density regions requires lower energies and dedicated...

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  96. 44. Hidden news on strangeness production in NA61/SHINE
    Antoni Marcinek (Polish Academy of Sciences (PL))
    Deconfined Matter
    Oral

    NA61/SHINE is a multipurpose, fixed-target hadron spectrometer at the CERN SPS. Its research program includes studies of strong interactions as well as reference measurements for neutrino and cosmic-ray physics. A significant advantage of NA61/SHINE over collider experiments is its extended coverage of phase space available for particle production. This includes the entire projectile...

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  97. 59. How does a phase transition impact dilepton production?
    Renan Góes-Hirayama (FIAS)
    Phase Transition
    Oral

    We calculate dielectron yields for different equations of state at beam energies relevant for the CBM experiment at FAIR and the STAR Beam energy Scan. The production of dielectrons of intermediate masses ($1<m_{ee}/\mathrm{GeV}<3$) is increased by the presence of a phase transition, due to the latent heat. In this work, we quantify this enhancement using a hybrid model of hadronic...

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  98. 70. How soft is strangeness-neutral QCD matter? Contrasting material parameters at finite baryon density from (2+1)-flavor lattice QCD with heavy-ion data
    Jishnu Goswami (Bielefeld University)
    Critical Point
    Oral

    QCD material parameters, such as the speed of sound, isothermal compressibility, and thermal expansion coefficient, quantify how soft the equation of state (EOS) is at finite temperature and chemical potentials. To understand the nature of the hot and dense matter created in heavy-ion collision experiments, we contrast experimental measurements with first-principles lattice QCD calculations at...

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  99. 90. HRG models and experiments
    Peter Braun-Munzinger (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE))
  100. 92. Hydrodynamic model of heavy ion collisions
    Dr Iurii Karpenko (FNSPE CTU in Prague)
    Oral
  101. 79. Inhomogeneous instabilities in high-density QCD
    Franz Sattler (University Bielefeld)
    Critical Point
    Oral

    QCD at large densities exhibits a moat regime in the scalar-pseudoscalar sector. The resolution of its dynamics is pivotal for the access to the onset of new phases including the potential critical endpoint of QCD. I report on a first self-consistent analysis of this regime, using the functional Renormalisation Group approach to QCD.Mapping out the moat regime, we find a potential...

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  102. 5. Interplay of Electromagnetic Fields and Baryon Diffusion in Directed Flow Splitting
    Mr Tribhuban Parida (AGH UST Krakow)
    Deconfined Matter
    Oral

    Two central objectives of the Beam Energy Scan (BES) program at RHIC are the identification of signatures of critical fluctuations and the extraction of electromagnetic (EM) field effects. However, the lack of reliable baseline predictions hampers both efforts. In hydrodynamic modeling, this limitation arises primarily from the absence of a realistic description of baryon deposition that can...

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  103. 28. Isospin symmetry violation measurements by NA61/SHINE
    Andrzej Krzysztof Rybicki (Polish Academy of Sciences (PL)), Seweryn Kowalski (University of Silesia (PL))
    Hadronization
    Oral

    NA61/SHINE at the CERN SPS is a multipurpose fixed-target detector for charged and neutral hadron measurements. The research program of the experiment includes studies of strong interactions as well as reference measurements for neutrino and cosmic-ray physics. A significant advantage of NA61/SHINE over collider experiments is its extended coverage of phase space available for hadron...

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  104. 74. Lee-Yang edge singularities and universal scaling near the QCD critical point
    Christian Schmidt-Sonntag
    Critical Point
    Oral

    We report on the status of Lee-Yang edge singularity calculations in Lattice QCD. In particular we discuss possibilities to improve systematical and statistical errors of the results presented in [1], from where we find a possible QCD critical end point (CEP) located at $𝑇^{CEP} =10⁢2^{+11}_{−23} $ MeV and $𝜇_B^{CEP} =42⁢8^{+162}_{−74}$  MeV. We improve our previous calculation by doubling the...

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  105. 162. Lee-Yang edge singularities and universal scaling near the QCD critical point
    Christian Schmidt-Sonntag
  106. 15. Low-mass, low-momentum virtual photon measurements with HADES
    Ms Iuliana-Carina Udrea (Technische Universität Darmstadt)
    Phase Transition
    Oral

    Understanding the QCD phase structure at high net-baryon density and moderate temperature is uniquely accessible through dilepton measurements with HADES at SIS18 operating in GSI.

    Virtual photons (dileptons) serve as a penetrating probe that gives direct insight into the electromagnetic emissivity of the hot and dense medium. This makes them a unique tool for exploring the microscopic...

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  107. 64. Measurement of (Net-)Proton Number Fluctuations in Au+Au Collisions from RHIC-STAR : A Centrality-independent Method
    Zhaohui Wang (Central China Normal University)
    Critical Point
    Oral

    Fluctuations of conserved quantities are proposed as sensitive observables to search for the QCD critical point in heavy-ion collisions. Recently, the STAR experiment has conducted precision measurement of net-proton fluctuations in Au+Au collisions at $\sqrt{s_{NN}}$ = 7.7 – 27 GeV, during the RHIC Beam Energy Scan II program [1] and reported the preliminary results of proton number...

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  108. 25. Measurement of p-$\phi$ Correlations in the High Baryon Density Region at STAR
    Zhangwei Zheng (University of Chinese Academy of Sciences)
    Hadronization
    Oral

    The high-baryon-density region provides a unique opportunity to explore the QCD phase structure and the role of strange quarks in hadronic interactions. Previous correlation measurements of $p$-$\Lambda$ and $p$-$\Xi$ suggest that the strange degree of freedom may weaken hadronic interactions. Experimentally, the directed flow ($v_1$) of $\phi$ mesons in this environment exhibits baryon-like...

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  109. 165. Measurement of p-phi Correlations in the High Baryon Density Region at STAR
    Zhangwei Zheng (University of Chinese Academy of Sciences)
  110. 100. News from DRD5
    Michael Doser (Massachusetts Inst. of Technology (US))
    Oral
  111. 96. News from NA60+/DICE
    Giacomo Alocco (Universita e INFN, Torino (IT))
    Oral
  112. 99. News from the ALICE Collaboration
    Swati Saha (National Institute of Science Education and Research (NISER) (IN)), Swati Saha (National Institute of Science Education and Research (NISER) (IN))
    Oral

    TBA

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  113. 95. News from the CBM Collaboration
    Oral
  114. 101. News from the CMS Collaboration
    Dr Georgios Krintiras (The University of Kansas (US))
    Oral
  115. 94. News from the HADES Collaboration
    Oral
  116. 82. News from the MUSES Collaboration
    Dr Johannès Jahan (University of Houston - Department of Physics)
    Oral
  117. 98. News from the NA61/SHINE Collaboration
    Seweryn Kowalski (University of Silesia (PL))
    Oral
  118. 97. News from the STAR Collaboration
    Oral
  119. 54. News in the search for the critical point at NA61/SHINE.
    Barnabas Porfy (HUN-REN Wigner Research Centre for Physics (HU)), Dr Nikolaos Davis (Institute of Nuclear Physics, Polish Academy of Sciences (PL))
    Critical Point
    Oral

    The NA61/SHINE experiment at the CERN SPS is a multipurpose fixed-target spectrometer for charged and neutral hadron measurements. Its research program includes strong interactions studies focusing on the exploration of the QCD phase diagram and understanding the phase structures of strongly interacting matter, including the hypothesized QCD critical point. To achieve these goals, the...

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  120. 29. News on (charged and neutral) hadron production in central nucleus-nucleus collisions from NA61/SHINE at the CERN SPS
    Oleksandra Panova (Jan Kochanowski University (PL)), Yuliia Balkova (National Centre for Nuclear Research (PL))
    Phase Transition
    Oral

    NA61/SHINE is a multipurpose fixed-target experiment located at the CERN SPS. One of its main goals is to study the onset of deconfinement and the properties of strongly interacting matter. For this purpose, a unique two-dimensional scan in collision energy (√sNN = 5.1 − 16.8/17.3 GeV) and system size was performed.
    Results on hadron spectra produced in nucleus-nucleus collisions, including...

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  121. 8. Non-Monotonicity of pT Correlations in Au + Au Collisions at RHIC-STAR
    Mr Rutik Manikandhan (University of Houston)
    Critical Point
    Oral

    We report the first measurements of two-particle transverse momentum correlations for mid-rapidity charged particles in Au+Au collisions at $\sqrt{s_{\rm NN}} =$ 3.0–7.7 GeV recorded by the STAR experiment from the Beam Energy Scan Phase-II (BES-II). The results are compared with previous STAR measurements from BES-Iand with transport model calculations. The measured two-particle $p_{\rm T}$...

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  122. 81. On the state of the art in fluctuation dynamics theory
    Prof. Gokce Basar (University of North Carolina, Chapel Hill)
    Oral

    TBA

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  123. 87. Overview of fluctuations - theory and phenomenology
    Krzysztof Redlich (GSi Darmstadt), Krzysztof Redlich (National Centre for Nuclear Research (PL)), Krzysztof Redlich (University of Wroclaw)
    Oral
  124. 65. Packing baryons into a lattice: lattice QCD canonical results at physical quark masses.
    Ludovica Pirelli (Bergische Universität Wuppertal)
    Oral

    Finite density lattice QCD usually relies on extrapolations in baryon
    chemical potential ($\mu_{B}$), be it Taylor expansion, T' expansion
    or analytical continuation. However, their range of validity is difficult
    to control. In the canonical formulation, the baryon density is the
    parameter of the system, not $\mu_{B}$. Here we demonstrate that
    we can access finite density QCD in the...

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  125. 68. Performance of the CBM experiment to study the net-proton fluctuations
    Rudrapriya Das (Bose Institute)
    Critical Point
    Oral

    The proposed Compressed Baryonic Matter (CBM) experiment at the Facility for Antiproton and Ion Research (FAIR), Darmstadt, Germany is going to offer a unique opportunity to study the model-predicted first-order phase transition between the hadronic phase to the Quark-Gluon Plasma (QGP) phase with high precision. This will be enabled by its exceptionally high interaction rate capability—up to...

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  126. 20. Probing the QCD critical point by finite-size scaling of fluctuations in Au+Au collisions at RHIC
    Yige Huang
    Critical Point
    Oral

    The study of fluctuations and correlations of conserved charges in heavy-ion collisions offers unique insight into the QCD phase structure and serves as a promising tool to probe the critical behavior.
    Studying how fluctuations behave within different sub-volume offers an effective way to explore the critical dynamics.
    Finite-size scaling based on rapidity-window selection allows one to...

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  127. 9. Probing Three-Body Baryonic Interactions via Triplet Femtoscopy at STAR
    Ke Mi (University of Chinese Academy of Sciences / Central China Normal University)
    Compact Stars
    Oral

    The study of multi-baryon interactions, particularly those involving strange quarks, is key to understanding dense nuclear matter and the equation of state of neutron stars. While two-body nucleon-nucleon ($N$-$N$) and hyperon-nucleon ($Y$-$N$) forces are relatively well constrained, genuine three-body interactions remain largely unexplored. Comparing systems with only nucleons to those...

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  128. 75. QCD Chiral Crossover at Low Temperatures from Lee–Yang Edge Singularity
    Heng-Tong Ding
    Critical Point
    Oral

    At finite baryon density, the nature of the QCD crossover and the possible existence of a critical endpoint (CEP) depend on which universality class governs the transition. In the analytic description of QCD thermodynamics in the complex $\mu_B$ plane in terms of Lee--Yang zeros, the crossover transition on the real $\mu_B$ axis is controlled by the Lee--Yang edge singularity closest to that...

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  129. 164. QCD Chiral Crossover at Low Temperatures from Lee–Yang Edge Singularity
    Heng-Tong Ding
  130. 63. QCD phase boundary from strangeness fluctuations on a high statistics lattice data set
    Piyush Kumar (University of Wuppertal)
    Phase Transition
    Oral

    Mapping the phase diagram of Quantum Chromodynamics (QCD) at large density is a challenging task due to the complex action problem in lattice simulations. Through simulations at imaginary baryon chemical potential $\mu_B$ we observe that, if the strangeness neutrality condition is imposed, both the strangeness chemical potential $\mu_S/\mu_B$ and the strangeness susceptibility $\chi_2^S$ take...

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  131. 85. QCD phase structure from Lattice QCD
    Jana N. Guenther (University of Wuppertal)
    Oral
  132. 88. Quarkyonic matter
    Larry McLerran, Larry McLerran (BNL), Larry McLerran
    Oral
  133. 51. Real-time stochastic dynamics near a QCD critical point
    Thomas Schaefer
    Critical Point
    Oral

    We describe recent results obtained from numerical simulations
    of stochastic fluid dynamics near a QCD critical point. We
    discuss results for the dynamic critical exponent, the
    critical behavior of transport coefficients, and the relaxation
    rate of equal-time correlation functions. We also discuss
    some exploratory studies of stochastic relativistic fluid
    dynamics.

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  134. 80. Relating the onset density of quark deconfinement in neutron stars and heavy ion collisions
    Oleksii Ivanytskyi (University of Wroclaw)
    Compact Stars
    Oral

    We apply recently proposed three-flavor nonlocal NJL model of quark matter with the scalar attractive, vector repulsive and diquark pairing interaction channels to study the isospin dependence of the quark deconfinement and to establish the correspondence between the quark onset densities typical for heavy ion collisions and neutron stars. The model provides qualitative agreement with the...

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  135. 24. Relative particle yield fluctuations in Au+Au collisions at RHIC BES-II
    Ashish Pandav
    Critical Point
    Oral

    Fluctuations of charged-particle multiplicities are sensitive observables proposed to probe the Quantum Chromodynamics (QCD) phase structure, such as searching for a possible critical point at high baryochemical potential ($\mu_B$), where enhanced fluctuations are theoretically expected. Recent measurements of proton multiplicity fluctuations across the $\sqrt{s_{NN}} = 3$–27 GeV range in...

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  136. 27. Residual 3rd-body Coulomb Effect on Identical Charged Pion Correlations in Au+Au Collisions at STAR
    Vinh Luong (Joint Institute for Nuclear Research)
    Hadronization
    Oral

    Measurements of identical pion femtoscopy offer insights into collision dynamics, such as collective expansion, geometry of the collision zone at freeze-out, final state interactions, etc. In addition to the quantum interference and Coulomb interactions among the pion pairs, Coulomb interactions between the pair and the net positive charge in the emitting source affect the final correlation...

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  137. 6. Searching for echoes of criticality in OO collisions with ALICE
    Mario Ciacco (Universita and INFN Torino (IT))
    Phase Transition
    Oral

    Lattice QCD calculations predict the existence of a crossover between a deconfined, thermalised partonic phase and the hadronic phase under conditions of exact baryon–antibaryon symmetry. Fourth-order baryon-number susceptibilities show significant deviations from the hadron resonance gas across the crossover, carrying information on residual criticality associated with the chiral phase...

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  138. 52. Strange hadron production in O+O collisions at $\sqrt{s_{\text{NN}}}$ = 200 GeV at STAR
    Iris Ponce (Yale University)
    Deconfined Matter
    Oral

    The study of high-energy collisions of small systems has generated
    significant discussions about the initial conditions, including the size of the system, needed to generate a Quark-Gluon Plasma (QGP). Results from asymmetric small systems, such as p+Au and p+Pb, exhibit some QGP-like signatures (e.g., flow and enhancement of strangeness production) but not others (e.g., jet quenching)....

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  139. 16. Supercooled Goldstones at the QCD chiral phase transition
    Dr Aleksas Mazeliauskas (Heidelberg University (DE)), Derek Teaney
    Phase Transition
    Oral

    We discuss the universal non-equilibrium enhancement of long-wavelength Goldstone bosons induced by quenches to broken phase in Model G -- the dynamical universality class of an O(4)-antiferromagnet and chiral QCD phase transition. Generic scaling arguments predict a parametric enhancement in the infrared spectra of Goldstones, which is confirmed by fully-fledged stochastic simulations. The...

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  140. 3. Superfluid dynamics of the QCD chiral phase transition
    Dr Aleksas Mazeliauskas (Heidelberg University (DE)), Derek Teaney, Jannis Gebhard (Heidelberg University)
    Phase Transition
    Oral

    High-energy heavy-ion collisions create a quark–gluon plasma (QGP) with approximately restored chiral symmetry. Lattice QCD determines the chiral crossover temperature to be $T_c = (156.5 \pm 1.5) \, \mathrm{MeV}$, below which chiral symmetry is spontaneously broken and pions emerge as pseudo–Goldstone bosons. Yet, this chiral transition—second order in the chiral limit—is absent from current...

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  141. 56. System size dependence of particle production with ALICE
    Nicolò Jacazio (Universita del Piemonte Orientale (IT))
    Deconfined Matter
    Oral

    Recent measurements in pp and p--Pb collisions at the LHC showed that the production of light-flavour hadrons relative to pions increases with the charged particle multiplicity of the event already in small systems.
    This smooth evolution connects different collision systems almost independently of the collision energy.
    It is also observed in the strangeness sector, where the increased...

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  142. 83. Theory Overview: CP and 1st-Order Phase Boundary
    Jamie Karthein (MIT), Dr Jamie Karthein (MIT)
    Oral
  143. 1. Three regimes/phases of QCD at high T, their symmetries and Nc scaling
    Leonid Glozman
    Phase Transition
    Oral

    I discuss three different regimes/phases of QCD at high T.
    They differ by symmetries and Nc scaling. At low T until
    chiral restoration temperature Tch ~ 155 MeV we have a hadron gas with
    confinement and spontaneously broken chiral symmetry. The scaling
    of energy density, pressure and entropy density is Nc⁰. Above
    Tch and below the deconfinement temperature, Td ~ 300 MeV, QCD
    is chirally...

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  144. 42. Towards a general framework for relativistic fluctuating hydrodynamics
    Xin An (Ghent University)
    Critical Point
    Oral

    Relativistic hydrodynamics has been remarkably successful in describing the evolution of the quark–gluon plasma created in heavy-ion collisions. To capture event-by-event fluctuations in observables—particularly those sensitive to the QCD critical point—a fully relativistic framework for non-linear fluctuating hydrodynamics is required. In this work, we construct such a framework by...

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  145. 49. Towards Physics-Informed Parameterization of QCD EoS
    Dr Yi Yin (Chinese University of Hong Kong (Shenzhen))
    Deconfined Matter
    Oral

    The Second Beam Energy Scan (BES-II) data from RHIC offers a unique opportunity to constrain the QCD EoS in the high-baryon-density region. Utilizing this opportunity requires dynamical modeling with a parametrized EoS as input.

    We propose a new parametrization scheme, called physics-informed parametrization, based on the assumption that the QCD EoS can be mapped onto an artificial spin...

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  146. 89. Transport properties from Lattice QCD
    Dibyendu Bala (Bielefeld University)
    Oral
  147. 11. Unveiling QCD Criticality in Rapidity Scan via Cross-Cumulant
    Jianing Li (Heidelberg University)
    Critical Point
    Oral

    Cumulants of net-baryon number fluctuations have been widely used as sensitive probes of the QCD critical point. However, these fluctuations are influenced not only by critical dynamics but also by global conservation of net baryon number, since the QGP fireball created in heavy-ion collisions is effectively an isolated system. In this talk, we propose a rapidity-dependent analysis based on...

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  148. 66. Yang-Lee edge singularity structure beyond standard lattice algorithms
    Szabolcs Istvan Borsanyi
    Oral

    We present first results from a density-of-states-based new simulation
    approach to finite density lattice QCD. We mitigate the overlap problem of
    Taylor extrapolations to a degree, that the finite density transition can
    be studied, including densities and fluctuations near the chiral crossover
    at and beyond $\mu_B$=500 MeV. We compute the partition function, not its
    logarithm, and thus...

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  149. 178. Yang-Lee edge singularity structure beyond standard lattice algorithms
    Szabolcs Istvan Borsanyi