Name: All that Antimatters in the Universe
Start: 2026-01-19T09:00:00+01:00
End: 2026-01-22T18:00:00+01:00
Location: CERN

All that Antimatters in the Universe

from Monday 19 January 2026 (09:00) to Thursday 22 January 2026 (18:00)
CERN (503/1-001)

: Sessions

: Talks

: Breaks

19 Jan 2026

20 Jan 2026

21 Jan 2026

22 Jan 2026

09:00	Welcome - workshop aims - Luigi TIBALDO (IRAP, Université de Toulouse)
09:10	Early Universe and Cosmology (until 10:30)
09:10	Antimatter in cosmology
09:50	Baryogenesis - Julia Harz
10:30	--- Coffee break ---
11:15	Early Universe and Cosmology (until 12:45)
11:15	Big Bang nucleosynthesis matters - Alexandre Arbey (Lyon U. & CERN TH)
11:45	Cosmic Microwave Background anisotropies - Douglas Scott
12:15	Cosmic Microwave Background spectral distorsions - Bryce Cyr

09:00	Early Universe and Cosmology (until 10:30)
09:00	Electroweak baryon number violation in the lab? - Prof. Arttu Rajantie (Imperial College London)
09:15	B-Mesogenesis Against the Ropes: Flavor Decoherence and BBN - Martha Ulloa (University of Florida)
09:30	Probing Leptogenesis in Dimension-7 Neutrino Mass Generation - Debashis Pachhar (Physical Research Laboratory)
09:45	Hot Spots from Evaporating Black Holes as Engines for Electroweak Baryogenesis - Alexandra Klipfel
10:00	Reviving the $\nu$MSM in the $\nu$SMEFT - Sascha Weber (Johannes Gutenberg-Universität Mainz)
10:15	Antimatter and dark matter glow - Prof. Ludovic Van Waerbeke
10:30	--- Coffee break ---
11:15	Discussion session: antimatter in cosmology - Valerie Domcke (until 12:45)

09:00	Antimatter experiments at low energies (until 10:30)
09:00	Antimatter experiments at low energies - Prof. Klaus (KHKJ) Jungmann (University of Groningen)
09:45	Testing Fundamental Physics with Antimatter Systems - Dr Yevgeny Stadnik (The University of Sydney)
10:30	--- Coffee break ---
11:15	Antimatter experiments at low energies (until 12:45)
11:15	Antihydrogen yield in AD experiments - Eric Hunter (CERN)
11:30	Antiprotons Under the Precision Microscope - Prof. Stefan Ulmer (HHU Düsseldorf / RIKEN)
11:45	Coherent spectroscopy with a single antiproton spin for the antiproton magnetic moment measurements in BASE - Dr Barbara Maria Latacz (CERN)
12:00	Advances towards measuring the gravitational free-fall of an antiatom beam at the AEgIS experiment - Ruggero Caravita (Universita degli Studi di Trento and INFN (IT))
12:15	Precision laser spectroscopy of exotic helium atoms to determine the antiproton-to-electron mass ratio, and the charged pion and kaon masses - Masaki Hori (Imperial College London)
12:30	Towards a future test of CPT Invariance by spectroscopy of H$_2^+$ and $\overline{\mathrm{H}}^-_2$ - Prof. Stephan Schiller (Heinrich-Heine-Universität Düsseldorf)

09:00	Cosmic rays, antinuclei and positrons (until 10:30)
09:00	Observation and Properties of Antimatter Nuclei at the Relativistic Heavy Ion Collider - Prof. Yugang Ma (Fudan University (CN))
09:45	Antinuclei production in high-energy nuclear collisions and atmospheric antideuteron flux - Dr KaiJia Sun (Institute of Modern Physics, Fudan University, Shanghai, China)
10:05	Antiprotons and antideuterons from primordial black holes - Lorenzo Stefanuto (University of Turin)
10:30	--- Coffee break ---
11:15	Cosmic rays, antinuclei and positrons (until 12:45)
11:15	Cosmic-ray antimatter with AMS-02 - Zhili Weng (Massachusetts Inst. of Technology (US))
11:45	Current Status and Future Prospects of the General Antiparticle Spectrometer (GAPS) Experiment - Mirko Boezio
12:15	Cosmic-ray positrons - Alvaro De Rujula (Universidad Autonoma de Madrid (ES))

12:45	--- Lunch break ---
14:00	Early Universe and Cosmology (until 15:30)
14:00	Electroweak Baryogenesis Without New Sources of CP Violation - Dr Sonali Patnaik (Indian Institute of Technology, Guwahati)
14:15	Connecting the baryons to the dark matter of the Universe - Alejandro Ibarra (Technical University of Munich)
14:30	Revisiting baryogenesis contraints on primordial magnetic field - Erdenebulgan Lkhagvadorj
14:45	Blocking Mesogenesis - Jared Goldberg (Technion (Israel Institute of Technology))
15:00	Baryogenesis and EDMs in 2HDMS - Edward Wang (Technical University of Munich (TUM))
15:15	Zero-temperature baryon number violation from the dynamics of Standard Model electroweak textures - Martina Cataldi (University of Hamburg)
15:30	--- Coffee break ---
16:15	Early Universe and Cosmology (until 17:45)
16:15	The Radio Synchrotron Background - An Astrophysical Anomaly - Jack Singal (University of Richmond)
16:45	The diffuse gamma-ray background - Dr Marco Ajello
17:15	Electroweak baryogenesis with relativistic bubbles walls - Miguel Etienne A Vanvlasselaer (ICCUB)
17:30	Primordial black holes and antistars - Alexander Dolgov
17:45	Poster session and reception (until 20:00)
17:45	Shedding Light on Antinuclei Production with Femtoscopy in High-Energy Nuclear Collisions - LIYUAN ZHANG (Fudan Universiy)
18:05	(Anti-)Helium-3 and (Anti-)Hypertriton Flow in Pb+Pb Collision at \texorpdfstring{$\sqrt{s_{NN}}=5.36$}{} TeV - Fu Ma
18:25	The Compton Spectrometer and Imager (COSI) Telescope as a Probe of Galactic Positrons - Field Rogers (Space Sciences Laboratory / University of California, Berkeley)
18:45	Developments towards quantum logic spectroscopy for high-precision g-factor measurements of (anti-)protons in a cryogenic Penning trap - Jan Schaper
19:05	Simulating Motional Ground-State Cooling of (Anti-)Protons in a Microfabricated Cylindrical Penning Trap - Mr Nikita Poljakov (Institut für Quantenoptik, Leibniz Universität Hannover, Germany)
19:25	Pre-Supernova Neutrinos as a Multimessenger Probe of Fundamental Physics - Assia El Kaftaoui (The Scientific Program of ASP2021)
19:40	Antimatter Detection with Gamma-Ray and AntiMatter survey(GRAMS) experiment - Jiancheng Zeng
19:40	Baryogenesis in modified gravity - Prof. Pradyumn Kumar Sahoo (Birla Institute of Technology and Science-Pilani, Hyderabad Campus)
19:40	Dark Matter and the 511 keV Line: Clues from the Galactic Centre - Pedro De la Torre Luque (Institute of theoretical physics (IFT-UAM))
19:40	Low-energy antineutron scattering off protons and nuclei - Hiroyuki Fujioka (Institute of Science Tokyo (JP))
19:40	Neutron–Antineutron Oscillations with Stored Ultracold Neutrons - Takashi Higuchi (Kyoto University (JP))
19:40	Slow Positronium Beams at AEGIS - Benjamin Rienacker (University of Liverpool (GB))
19:40	Towards Antiproton Transport with the BASE-STEP Apparatus - Marcel Leonhardt (Heinrich Heine University Dusseldorf (DE))
19:40	Vacuum decay in theories with no instantons - Kinga Gawrych (Imperial College London)

12:45	--- Lunch break ---
14:00	CP and CPT symmetries (until 15:30)
14:00	CP vs. CPT Violation: More Than Just a Letter Apart - Gabriela Barenboim (IFIC & University of Valencia)
14:45	CP violation at collider experiments - Yuehong Xie (Central China Normal University CCNU (CN))
15:30	--- Coffee break ---
16:15	Neutrinos (until 17:45)
16:15	CP violation at neutrino experiments - Anne Elizabeth Norrick (Fermi National Accelerator Lab. (US))
17:00	Low-scale leptogenesis with low-energy CP-violation - Alessandro Granelli (University of Bologna and INFN)
17:20	Leptogenesis and light sterile neutrinos - Prof. Srubabati Goswami (Physical research laboratory)

12:45	--- Lunch break ---
14:00	Discussion session: antimatter experiments at low energies -Prof. Stefan Ulmer (HHU Düsseldorf / RIKEN) (until 15:30)
15:30	--- Coffee break ---
16:15	Cosmic rays, antinuclei and positrons (until 17:45)
16:15	Cosmic-ray antimatter - David Alain Maurin (Centre National de la Recherche Scientifique (FR))
17:00	Local antimatter domains - P. Salati (Unite Reseaux du CNRS (FR))

12:45	--- Lunch break ---
14:00	Cosmic rays, antinuclei and positrons (until 14:40)
14:00	Modeling Cosmic-Ray Antiprotons and Positrons, and Comparison with AMS-02 Measurements - Elena Orlando
14:20	Imaging the positron annihilation line with 20-year INTEGRAL/SPI observations and future prospects with COSI - Hiroki Yoneda
14:40	Final remarks - Luigi TIBALDO (IRAP, Université de Toulouse)

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