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SUMMARY:Testing CPT symmetry with multi-strange baryons mass precision mea
 surements using ALICE
DTSTART:20241211T140000Z
DTEND:20241211T150000Z
DTSTAMP:20260811T144600Z
UID:indico-event-10941@indico.global
DESCRIPTION:Speakers: Romain Schotter (Stefan Meyer Institute for Subatomi
 c Physics of the Austrian Academy of Sciences (AT))\n\nAbstract:In any rel
 ativistic quantum field theory such as Quantum Chromodynamics or Electrowe
 ak theory\, the interactions are invariant under the combined operation of
  Charge conjugation (C)\, Parity transformation (P) and Time reversal (T).
  One of the consequences of this (CPT) symmetry is that particles and thei
 r corresponding antiparticles must have exactly same mass. While the mass 
 difference between proton and antiproton has been measured to a very high 
 precision\, the extension to (multi-)strange baryons domain still lacks pr
 ecise measurements due to statistical limitations.The ALICE detector is op
 timized to reconstruct decays of multi-strange baryons (Ξ and Ω). The co
 llected data in pp at √s = 13 TeV during the LHC Run 2 (almost two billi
 on events)\, together with the particle identification capabilities of the
  ALICE detector\, allow to measure the mass of the multi-strange hyperons 
 and antihyperons reaching unprecedented precision. In this contribution\, 
 the mass differences between Ξ- and Ξ+\, and between Ω− and Ω+ will 
 be presented\, sensibly improving the precision obtained by averaging the 
 results from previous experiments. \nChairs:\nClaude Amsler\, David Chine
 llato\n\nhttps://indico.global/event/10941/
LOCATION:Vienna\, PSK Georg-Coch-Platz 2\, 3.OG\, Besprechungsraum #1
URL:https://indico.global/event/10941/
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