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06/09/2026, 17:00
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Prof. ALESSANDRO PAPA (Università della Calabria & INFN-Cosenza), Christophe Royon (The University of Kansas (US)), Dr Georgios Krintiras (The University of Kansas (US))07/09/2026, 08:45
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Amanda Sarkar (University of Oxford (GB)), amanda sarkar07/09/2026, 09:00
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Peter John Bussey (University of Glasgow (GB)), Peter John Bussey (University of Glasgow (GB))07/09/2026, 09:25
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Stephen Maple (University of Birmingham (GB)), Stephen Maple07/09/2026, 09:50
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Thomas Cridge (DESY)07/09/2026, 10:15
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Patrick Louis S Connor (CERN)07/09/2026, 11:10
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Subash Chandra Behera (Sapienza Universita e INFN, Roma I (IT))07/09/2026, 11:35
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Zhiyong Ye (ZJU - Zhejiang University (CN))07/09/2026, 12:00
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Amanda Sarkar (University of Oxford (GB)), Patrick Louis S Connor (CERN), amanda sarkar07/09/2026, 12:25
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Alberto Rescia, Alberto Rescia (Università della Calabria & INFN (IT))07/09/2026, 14:30
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Thomas Cridge (DESY)07/09/2026, 14:55
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Pulak Banerjee (IIT Guwahati), Pulak Banerjee (INFN Cosenza), Pulak Banerjee (NISER Bhubaneswar)07/09/2026, 15:20
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Ada Polizzi07/09/2026, 15:40
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Kristin Lohwasser (University of Sheffield (GB))07/09/2026, 16:30
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Nico Timothy Toikka (Helsinki Institute of Physics (FI))07/09/2026, 16:55
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Dimitri Colferai07/09/2026, 17:20
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Leszek Motyka07/09/2026, 17:40
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Christophe Royon (The University of Kansas (US)), Dimitri Colferai07/09/2026, 18:00
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George Papatheodorou07/09/2026, 18:30
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Michael Fucilla (Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405, Orsay, France), Michael Fucilla08/09/2026, 09:00
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Michael Lublinsky (Ben-Gurion University of the Negev (IL)), Prof. Michael Lublinsky08/09/2026, 09:25
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Florian Cougoulic (SUBATECH), Florian Cougoulic08/09/2026, 09:50
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Yair Mulian (Sami Shamoon College of Engineering)08/09/2026, 10:10
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Edmond Iancu08/09/2026, 11:00
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Prof. Shu-Yi Wei (Shandong University)08/09/2026, 11:25
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Jamal Jalilian-Marian, Jamal Jalilian-Marian (Baruch College (US))08/09/2026, 11:50
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Cyrille Marquet (CPHT - Ecole Polytechnique)08/09/2026, 12:10
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Sanjin Benić08/09/2026, 12:30
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Edmond Iancu, Gian Michele Innocenti (Massachusetts Inst. of Technology (US))08/09/2026, 12:50
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Gian Michele Innocenti (Massachusetts Inst. of Technology (US))08/09/2026, 14:30
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Adam Matyja (Polish Academy of Sciences (PL))08/09/2026, 14:55
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Christophe Royon (The University of Kansas (US))08/09/2026, 15:20
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Edmond Iancu, Gian Michele Innocenti (Massachusetts Inst. of Technology (US))08/09/2026, 15:45
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Soumyadip Barman (Tata Institute of Fundamental Research (IN))08/09/2026, 16:30
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Nico Timothy Toikka (Helsinki Institute of Physics (FI))08/09/2026, 16:55
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Masa Kotnik (Jozef Stefan Institute (SI), Faculty of Mathematics and Physics (SI))08/09/2026, 17:20
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Marcin Kucharczyk (Syracuse), Marcin Kucharczyk (Polish Academy of Sciences (PL))08/09/2026, 17:40
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Christophe Royon (The University of Kansas (US)), Dimitri Colferai (University of Florence (Italy)), Dimitri Colferai, Edmond Iancu, Gian Michele Innocenti (Massachusetts Inst. of Technology (US))08/09/2026, 18:05
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Barbara Badelek (University of Warsaw (PL)), Umberto D'Alesio (Department of Physics, University of Cagliari), Umberto D'Alesio09/09/2026, 09:00
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Dr Valerio Bertone (C.E.A. Paris-Saclay)09/09/2026, 09:20
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Dr Silvia Niccolai (CNRS)09/09/2026, 09:45
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Samuel WALLON09/09/2026, 10:25
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Dr Ting Lin (Texas A & M University), Ting Lin09/09/2026, 11:15
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Marco Radici (INFN), Marco Radici, Marco Radici09/09/2026, 11:40
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Barbara Lopes Pereira (INFN e Laboratori Nazionali di Frascati (IT))09/09/2026, 12:00
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Ananya Ananya (IIT- Indian Institute of Technology (IN))09/09/2026, 12:20
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Barbara Badelek (University of Warsaw (PL)), Umberto D'Alesio (Department of Physics, University of Cagliari), Umberto D'Alesio09/09/2026, 12:40
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Daniela Hikari Yano10/09/2026, 09:00
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Michael Pitt (CERN)10/09/2026, 09:25
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Wangmei Zha (USTC/BNL), Wangmei Zha (University of Science and Technology of China (CN))10/09/2026, 09:50
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Shuai Yang (South China Normal University), Shuai Yang (Brookhaven National Laboratory), Shuai Yang (South China Normal University)10/09/2026, 10:10
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Gian Michele Innocenti (Massachusetts Inst. of Technology (US))10/09/2026, 11:00
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Wolfgang Schaefer10/09/2026, 11:25
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Ben Kilminster (University of Zurich (CH))10/09/2026, 11:45
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Nicolas CREPET, Nicolas Crepet (CERN)10/09/2026, 12:10
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Cyrille Marquet (CPHT - Ecole Polytechnique), Zaochen Ye (South China Normal University)10/09/2026, 12:30
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Maciej Piotr Lewicki (Polish Academy of Sciences (PL)), Dr Marek Lewicki (University of Warsaw)10/09/2026, 14:30
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Tomas Sykora (Charles University (CZ))10/09/2026, 14:55
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Istvan Szanyi (MATE KRC, University of Kansas, Wigner RCP), Mr István Szanyi (Eötvös Loránd University)10/09/2026, 15:20
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Dmitry Druzhkin (Karlsruher Institut für Technologie (DE))10/09/2026, 15:45
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Frigyes Janos Nemes (CERN (also at Wigner RCP Budapest, Hungary)), Frigyes Nemes (MTA KFKI)10/09/2026, 16:30
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Izabela Juszczak (Polish Academy of Sciences (PL))10/09/2026, 16:55
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10/09/2026, 17:20
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Leszek Adamczyk (AGH University of Science and Technology (PL)), Leszek Adamczyk (AGH University of Krakow (PL))10/09/2026, 17:40
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Antonio Vilela Pereira (Brazilian Center for Research in Physics (CBPF)), Antonio Vilela Pereira (CBPF - Brazilian Center for Research in Physics (BR)), Michal Praszalowicz (Jagiellonian University, Krakow)10/09/2026, 18:00
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Maximilian Horzela (Georg August Universitaet Goettingen (DE))11/09/2026, 09:30
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Dr Zhoudunming Tu (BNL)11/09/2026, 09:55
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Tomas Sykora (Charles University (CZ))11/09/2026, 10:15
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Matti Mikael Mieskolainen (CERN), Matti Mikael Mieskolainen (Helsinki Institute of Physics (HIP))11/09/2026, 11:00
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Tamas Csorgo (MATE Institute of Technology Karoly Robert Campus (HU)), Tamás Ferenc Csörgö (Wigner RCP Budapest and MATE Institute of Technology, Gyöngyös, Hungary)11/09/2026, 11:20
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Michal Praszalowicz (Jagiellonian University, Krakow)11/09/2026, 11:45
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Antoni Szczurek11/09/2026, 12:10
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Antonio Vilela Pereira (Brazilian Center for Research in Physics (CBPF)), Antonio Vilela Pereira (CBPF - Brazilian Center for Research in Physics (BR)), Christophe Royon (The University of Kansas (US)), Dimitri Colferai (University of Florence (Italy)), Dimitri Colferai, Michal Praszalowicz (Jagiellonian University, Krakow)11/09/2026, 12:30
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Carlos MUNOZ CAMACHO11/09/2026, 14:30
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Rongrong Ma (Yale University (US)), Rongrong Ma (BNL)11/09/2026, 14:55
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Alexander Jentsch (Brookhaven National Laboratory, EIC, STAR), Alexander Jentsch11/09/2026, 15:20
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Rojae Mighty11/09/2026, 15:45
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Pawel Nadel-Turonski (University of South Carolina)11/09/2026, 16:30
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Shohini Bhattacharya (Temple University), Shohini Bhattacharya, Shohini Bhattacharya11/09/2026, 16:55
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Abhiram Kaushik Badrinarayanan (University of Jyvaskyla)11/09/2026, 17:15
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Janusz Chwastowski (Polish Academy of Sciences (PL)), Sanjin Benić11/09/2026, 17:35
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Janusz Chwastowski (Polish Academy of Sciences (PL)), Maciej Piotr Lewicki (Polish Academy of Sciences (PL)), Michal Praszalowicz (Jagiellonian University, Krakow)11/09/2026, 18:10
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Prof. ALESSANDRO PAPA (Università della Calabria & INFN-Cosenza), Christophe Royon (The University of Kansas (US)), Dr Georgios Krintiras (The University of Kansas (US))11/09/2026, 18:20
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The Electron-Ion Collider (EIC) is the next US-based project for QCD and nuclear science. It will collide polarized electrons with polarized protons and light ions, as well as heavier ions across the full mass range. As the world’s only polarized collider it will provide exciting opportunities for spin physics and the 3D structure of nucleons and nuclei, which is a cornerstone of its science...
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The Central Exclusive Production (CEP) processes with Double Pomeron Exchange (DPE) in p+p collisions are particularly intriguing as they can generate $h^+h^-$ pairs with even spin and positive parity. This unique characteristic makes them an ideal environment for the search for glueball states. In this talk, we will present results on CEP of charged hadron
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pairs $h^+h^- (h= \pi,K,p)$ and... -
The eight Drell-Yan structure functions provide an excellent probe of the proton structure. At the LHC,the Drell-Yan structure functions have been measured with high precision at the Z and W bosons peaks. On the other hand, the structure functions can be calculated within the kT or hybrid factorization framework, and the results depend crucially on the transverse momentum dependent (TMD) gluon...
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Anti-collinear resummation inside the JIMWLK Hamiltonian will be discussed.
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We report on our recent work [1] where we compute the contribution to the diffractive structure functions in high-energy deep inelastic scattering (DIS). The obtained result corresponds to a self-contained, finite part of the next-to-leading-order (NLO) contribution to the diffractive cross section. Previous phenomenological applications have included this contribution only in the high-$Q^2$...
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We investigate the inclusive jet cross section in proton–proton collisions in the low-$p_T$ (mini-jet) regime. As the jet $p_T$ falls to a few GeV, the predicted jet production rate grows to exceed the total inelastic $pp$ cross section. Using NNLOJET, we study how this crossing point depends on the choice of PDF sets and scale choice across center-of-mass energies in the range $\sqrt{s} =...
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We investigate the role of quantum entanglement in scattering processes relevant to the low-x regime of QCD, where high parton densities and multiple interactions dominate the dynamics. Treating the incoming projectile as an entangled multiparton state, we analyze how low-x evolution and scattering off dense gluonic targets modify quantum correlations among partons. Using an...
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In this talk, we present recent progress in the study of quantum entanglement in high-energy QCD processes, with a focus on spin correlations in inclusive and diffractive quark–antiquark production in electron–nucleus scattering.
We investigate several quantum information–theoretic measures, including (i) entanglement, (ii) Bell nonlocality, and (iii) quantum “magic”.
These results open...
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Yair Mulian (Sami Shamoon College of Engineering)
We investigate the role of quantum entanglement in scattering processes relevant to the low-x regime of QCD, where high parton densities and multiple interactions dominate the dynamics. Treating the incoming projectile as an entangled multiparton state, we analyze how low-x evolution and scattering off dense gluonic targets modify quantum correlations among partons. Using an...
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The high-energy evolution of operators composed of Wilson lines (WLs) and their derivatives can be obtained by solving the JIMWLK equation. However, for the dipole operator, more numerically efficient solutions to the BK equation can be used. The BK equation can be derived from the action of the JIMWLK Hamiltonian on the dipole operator when Nc is large.
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In Gaussian truncation, one assumes... -
The Electron-Ion Collider (EIC) will enable measurements which can drastically advance our understanding of QCD and the multidimensional structure of both protons and nuclei. An essential component of the EIC physics program is the measurement and study of exclusive and diffractive final states, which yield insight into topics including partonic imaging, structure functions, nucleon spin,...
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The Electron-Ion Collider (EIC), a next-generation facility to be built in the US, will provide unprecedented opportunities to explore the nuclear structure and to investigate the emergent properties of dense gluonic matter. Exclusive and diffractive processes in e-A collisions constitute an integral part of the EIC physics program, providing powerful probes of the strong-interaction dynamics...
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The formalism how to calculate exclusive dijet production
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in $e p \to e j j p$, in collinear approximation using generalized
parton distributions (GPDs) is summarized.
We include all leading-order contributions (gluons, light sea quarks,
heavy quark component and valence quarks).
We present results for many differential distributions obtained
for purpose in a broad range of the phase... -
We consider the radiation of two soft quark-antiquark pairs ($q\bar{q}Q\bar{Q}$) in a generic process for multiparton hard
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scattering in QCD. We evaluate the corresponding soft current at tree level in terms of an independent-emission contribution and an irreducible correlation component, which includes strictly non-abelian terms and also terms with an abelian character. The squared current... -
We calculate the one-loop corrections to the quark TMD in both projectile and target light-cone gauges using the background field formalism, with the Mandelstam-Leibbrandt (ML) prescription for the extra singularity present in the light-cone gauge propagator. We use the pure rapidity regulator for rapidity divergences. The Collins-Soper-Sterman (CSS) evolution equations are obtained from the...
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We discuss the role of fully heavy tetraquarks in ultraperipheral collisions $AA\to AA\, J/\psi J/\psi$ and $AA \to AA\, \gamma \gamma$. Two-photon couplings to scalar and tensor tetraquarks are considered.
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We formulate the calculation of the two-photon width in NRQCD and use relatively recent results of four-body calculation of fully heavy tetraquark wave function within the extended... -
I would like to talk about our recent works [1] where we calculate the complete set of 16 complex leading twist generalized transverse momentum distributions (GTMDs) for gluons and sea-quarks in the high energy approximation, or small-x wherein the GTMDs become connected to the familiar building blocks of high energy processes - the Pomeron and Odderon. The analysis is performed at zero...
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Rojae Mighty
Understanding the structure of protons and nuclei in terms of quarks and gluons is one of the key goals in science. Results from RHIC suggest the existence of a new state of matter known as gluon saturation. The idea is, at high energies, gluons, due to their self-interactions multiply rapidly; however, when their density becomes very large, recombination effects set in, leading to saturation...
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Based on geometric scaling of elastic $pp$ and possibly $p\bar{p}$ cross-sections, we derive simple formulae for the complex crossing-even and crossing-odd scattering amplitudes in terms of two interaction radii: $R(s)$ and $Q(s)$, respectively.Employing the COMPETE parametrization of the total cross-sections, we reproduce $\rho^{pp}$ and $\rho^{p\bar{p}}$ parameters with high accuracy,...
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In this work, we present the most precise results for invariant-mass distributions of associated ZH production via gluon fusion in QCD. We include top quark mass effects in the NLO virtual amplitudes and present the resummed cross-sections at NLO+NLL accuracy. We find that at 13.6 TeV energy at LHC, the NLO+NLL cross-section increases the NLO counterpart by about 20%. We also present results...
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I will give a brief description of physics goals, current status, and perspectives of the EIC and LHCspin programmes, with particular emphasys on the implications for extracting from experimental data a complete 3D map of partons in momentum space.
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We study exclusive J/ψ and Υ photoproduction for proton and Pb targets in the high-energy limit, with the energy dependence computed using the linear Balitsky–Fadin–Kuraev–Lipatov and the nonlinear Balitsky–Kovchegov evolution equations. We find that for proton targets there is no difference between the two approaches at the energies of the currently available data, while for Pb targets in J/ψ...
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We present a study of inclusive and diffractive (D^{0})-meson photoproduction in Pb–Pb and p–Pb ultraperipheral collisions at the LHC using the G(\gamma)A–FONLL framework. Heavy-quark production is calculated at fixed order plus next-to-leading logarithmic accuracy. Inclusive production is described using nuclear parton distributions, while diffraction employs nuclear diffractive PDFs...
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Barbara Lopes Pereira (INFN e Laboratori Nazionali di Frascati (IT))
LHCspin is an LHCb R&D project that aims to install a polarized gaseous target in the LHCb spectrometer for Run 5, providing access to spin physics at unprecedented energies that no current fixed-target experiment has reached before.
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The forward geometry of the LHCb spectrometer (2 < η < 5) is particularly well suited for the reconstruction of particles produced in fixed-target collisions. In... -
STAR's recent measurement of ΛΛ̄ spin–spin correlations in pp collisions at RHIC reveals a nonzero signal — a relative polarization of (18 ± 4)% — inherited from strange quark–antiquark pairs excited from the QCD vacuum and surviving confinement into the final-state hyperons. I will review this result, framing the ΛΛ̄ system as a two-qubit density matrix whose helicity-frame correlation tensor...
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Measurements of large Transverse Single Spin Asymmetry (TSSA) in hadron production in fixed target and collider experiments using transversely polarized proton beams indicated a correlation between the proton's spin and the intrinsic transverse momentum and spin of the participating quarks and gluons. Theoretical interpretations such as Sivers Effect, Collins Effect and twist-3 quark-gluon...
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Measurements of jet and vector boson productions at the LHC provide crucial data for studying and better constraining Parton Distribution Functions. This presentation reports on some of the PDF interpretation performed by the ATLAS Collaboration using the results obtained from various differential cross-section measurements in inclusive jets, dijet, W-boson, and Z-boson processes at 13 TeV...
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Marco Bonvini (INFN, Rome 1 Unit)
I will present recent developments in the resummation of small-x logarithms in DGLAP evolution and in the computation of partonic coefficient functions, as implemented in the HELL public code. I will discuss phenomenological implications and future plans.
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The anti-collinear resummation in JIMWLK evolution [1,2] is extended to include the effects of conservation of the (+)-momentum component, leading to the non-linear generalisation of the DGLAP/BFKL duality [3]. In the linear regime, the resummed BFKL characteristic function satisfies the duality prediction $\chi(1)=\pi/(\alpha_s N_c)$.
[1] A.Kovner, M.Lublinsky, V.V.Skokov and Z.Zhao, "Not...
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M. Gabriel Santiago (Temple University)
There are two $R$-factors frequently used in the phenomenology of exclusive processes at small values of the Bjorken $x$ variable. One $R$-factor takes into account the effects of non-zero longitudinal momentum transfer, which is assumed to be zero in the dipole scattering amplitude. Another $R$-factor accounts for the real part of the elastic scattering amplitude which is often neglected,...
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M. Gabriel Santiago (Temple University)
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While a key focus of the physics program at the LHC is the study of head-on proton-proton collisions, an important class of physics can be studied when the protons narrowly miss one another and remain intact. During these events, the electromagnetic fields surrounding the protons can interact, producing high-energy photon-photon processes. Alternatively, the interaction can be mediated by the...
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This talk reports on the concept, program and results of TOTEM and PPS. The TOTEM/PPS detectors are components of a proton magnetic spectrometer that employs LHC magnets and the central detector of CMS. A brief overview of the projects, capabilities, and links to the analysis results is given. A brief description of the upgraded PPS2 project is also given, stressing the performance,...
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I will give an overview of the status of PDFs at approximate N3LO, comparing the different results and approaches. I will then demonstrate their importance for precision LHC phenomenology.
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We develop a unified resummation framework for heavy-meson pair photoproduction that treats soft-gluon radiation in a massive scheme for $|q|\lesssim m_Q$ while smoothly recovering the massless limit for $m_Q\ll |q|$, where $q$ denotes the transverse momentum of the pair and $m_Q$ is the heavy-quark mass. The framework therefore provides a consistent description of the entire correlation...
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I present new models and technologies in the GRANIITTI MC event generator, with a particular focus on soft central exclusive production. These include new sliding-helicity amplitudes for double Pomeron exchange with a complete helicity basis and partial-wave control, multi-channel eikonal screening, an expanded set of covariant Tensor-Pomeron amplitudes, and Durham QCD + MadGraph extensions....
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The exploration of the nucleon's three-dimensional structure—specifically parton orbital motion and spin-momentum correlations—is a central objective in high-energy particle physics. This talk will provide a comprehensive overview of the global experimental landscape for helicity and Transverse Momentum Dependent (TMD) parton distribution functions.
We will mainly review recent measurements...
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We review a new class of 2→3 exclusive processes as probes of both chiral-even and chiral-odd quark Generalized Parton Distributions (GPDs). We focus on the exclusive photoproduction of a photon-meson or meson-meson pair with large invariant mass, described in the collinear factorization framework, covering kinematics from JLab 12 GeV and COMPASS to RHIC and LHC (ultra-peripheral collisions),...
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Using the examples of di-jet production in photon-nucleus collisions and photon-jet production in proton-nucleus collisions, I will argue that gluon saturation can also be measured in hard processes, where the particles produced in the final state carry transverse momenta much larger than the nuclear saturation momentum. The theoretical description of such processes is complicated by the...
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We study the diffractive production of back-to-back dijet at high $P_\perp$ in photon-nucleus collisions within the CGC framework. At leading order, this process exhibits TMD factorization, where the momentum imbalance between the jets is described by a diffractive gluon TMD distribution sensitive to gluon saturation. Next-to-leading-order corrections reveal a complex interplay of three...
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We study prospects of measuring the structure functions, proton parton densities, and the strong coupling with Deep Inelastic Scattering data from the future colliders, including the EIC, LHeC and FCC. We show that these ep data have a great potential to both increase the precision and extend the kinematic rage of the QCD studies described above, starting already the the EIC early-science...
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Recent advances have made it possible to access light-cone correlation functions
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from lattice QCD through the calculation of suitable Euclidean observables. In
this talk, I will review the current status of lattice calculations of parton
distribution functions (PDFs), transverse-momentum-dependent distributions
(TMDs), and generalized parton distributions (GPDs), highlighting... -
Shohini Bhattacharya (Temple University), Shohini Bhattacharya
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This presentation reports on various measurements performed with recent ATLAS data probing various non-perturbative aspects of the strong interaction. It includes a measurement of prompt charged-particle production in proton-oxygen interactions, measurements of double parton scattering in same-sign W boson pair production, and the the first search for QCD instanton-induced events at the LHC,...
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This presentation reports on various measurements performed with recent ATLAS data probing various non-perturbative aspects of the strong interaction. It includes a measurement of prompt charged-particle production in proton-oxygen interactions, measurements of double parton scattering in same-sign W boson pair production, and the the first search for QCD instanton-induced events at the LHC,...
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The LHCb experiment offers unique capabilities for studying ultra-peripheral collisions (UPCs) and other diffractive processes at the LHC. The forward acceptance of the detector, covering pseudorapidity 2<η<5, allows for the detection of low-mass resonances produced in diffraction as well as kinematic reach down to very low x. The particle identification and vertexing capabilities of the...
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At high energies, the scattering amplitude of diffractive processes
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involves the exchange of a Pomeron, which carries vacuum quantum
numbers, in the t-channel. Another theoretically predicted contribution
is the Odderon, which possesses negative C-parity. Despite its
similarity to the Pomeron, the Odderon remains elusive in many
experimental channels. In the diffractive photoproduction of... -
Potential experimental signatures of generalized transverse-momentum-dependent
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distributions (GTMDs) are proposed through exclusive heavy (axial-)vector meson
production in lepton--proton collisions, with particular emphasis on charmonium
channels. Within collinear twist-3 factorization, we demonstrate that specific
azimuthal-angle-dependent observables are sensitive to the gluon... -
Dimitri Colferai
We perform the renormalization group improved collinear resummation of the
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photon-gluon impact factors. We construct the resummed cross section for virtual photon-
photon (γ∗γ∗) scattering which incorporates the impact factors and BFKL gluon Green’s
function up to the next-to-leading logarithmic accuracy in energy. The impact factors include
important kinematical effects which are... -
Marcin Kucharczyk (Polish Academy of Sciences (PL))
The particle correlations constitute an important tool for investigating quantum chromodynamics in hadronic collisions. In small collision systems like ptoton-proton or proton-ion, such correlations may indicate the presence of final-state interactions or possible initial-state correlations. In heavy-ion interactions, azimuthal angular correlations provide insight into collective effects...
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Experimental studies of ultra-relativistic heavy ion collisions at the Large Hadron Collider (LHC) depend crucially on Zero Degree Calorimeters (ZDCs) that measure neutrons produced at near-beam rapidity in nucleus-nucleus collisions. In hadronic nuclear collisions these neutrons are mainly spectator neutrons, those that do not scatter from opposing nucleons during the collision. The ZDCs...
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The Electron–Ion Collider will provide a unique facility to explore the quark and gluon structure of nucleons and nuclei with high-energy, polarized electron–proton and electron–ion collisions. Its first general-purpose experiment, ePIC, is designed to combine large acceptance, precision tracking, particle identification, electromagnetic and hadronic calorimetry, and dedicated far-forward and...
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I will analyse the theoretical uncertainties inherent in the determination of the strong coupling from the transverse momentum (pT) spectrum of the Z boson. Such analyses require fine control of percent-level theoretical effects in small pT region, not only in terms of their magnitude but also of their shape and that of the corresponding theoretical uncertainties. I will focus on the...
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We discuss a new method of describing the differential cross-section of elastic proton-proton and proton-antiproton collisions starting from its asymptotic, large -t power-law tail, approximated by a Tsallis distribution and systematically building up the low-t behaviour in termps of corrections, utilizing our new method of Tsallis polynomial expansion.
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The method describes experimental data... -
The Balitsky–Fadin–Kuraev–Lipatov (BFKL) resummation provides a general framework for scattering processes in the high-energy limit of perturbative Quantum Chromodynamics (pQCD). Within this approach, the Drell–Yan impact factor is constructed starting from the known leading-order result and including the virtual next-to-leading-order corrections. The structure and derivation of these virtual...
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