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Measurement of the low-energy antitriton inelastic cross section

Acharya, S.
•
Adamová, D.
•
Adler, A.
altro
Zurlo, N.
2024
  • journal article

Periodico
PHYSICS LETTERS. SECTION B
Abstract
n this Letter, the first measurement of the inelastic cross section for antitriton–nucleus interactions is reported, covering the momentum range of 0.8 ≤ p < 2.4 GeV∕c. The measurement is carried out using data recorded with the ALICE detector in pp and Pb–Pb collisions at a centre-of-mass energy per nucleon of 13 TeV and 5.02 TeV, respectively. The detector material serves as an absorber for antitriton nuclei. The raw yield of (anti)triton nuclei measured with the ALICE apparatus is compared to the results from detailed ALICE simulations based on the GEANT4toolkit for the propagation of (anti)particles through matter, allowing one to quantify the inelastic interaction probability in the detector material. This analysis complements the measurement of the inelastic cross section of antinuclei up to A =3 carried out by the ALICE Collaboration, and demonstrates the feasibility of the study of the isospin dependence of inelastic interaction cross section with the analysis techniques presented in this Letter.
DOI
10.1016/j.physletb.2023.138337
WOS
WOS:001128096700001
Archivio
https://hdl.handle.net/11368/3097006
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85177868285
https://www.sciencedirect.com/science/article/pii/S0370269323006718
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by/4.0/
FVG url
https://arts.units.it/bitstream/11368/3097006/1/PLB_848(2023)138337_1-13.pdf
Soggetti
  • Light antinuclei

  • LHC

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