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Measurement of the Low-Energy Antideuteron Inelastic Cross Section
Physical Review Letters, 125 (2020), 16; 162001. https://doi.org/10.1103/PhysRevLett.125.162001
(A Large Ion Collider Experiment Collaboration) Acharya, S.; ...; Antičić, Tome; ...; Erhardt, Filip; ...; Gotovac, Sven; ...; Jerčić, Marko; ...; Karatović, David; ...; Lončar, Petra; ...; Mudnić, Eugen; ...; Planinić, Mirko; ...; Poljak, Nikola; ...; Simatović, Goran; ...; Vicković, Linda; ...; Zurlo, N. Više autora...

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Acharya, S., Antičić, T., Erhardt, F., Gotovac, S., Jerčić, M., Karatović, D. ... Zurlo, N. (2020). Measurement of the Low-Energy Antideuteron Inelastic Cross Section. Physical Review Letters, 125. (16). doi: 10.1103/PhysRevLett.125.162001

Acharya, S., et al. "Measurement of the Low-Energy Antideuteron Inelastic Cross Section." Physical Review Letters, vol. 125, br. 16, 2020. https://doi.org/10.1103/PhysRevLett.125.162001

Acharya, S., Tome Antičić, Filip Erhardt, Sven Gotovac, Marko Jerčić, David Karatović, Petra Lončar, et al. "Measurement of the Low-Energy Antideuteron Inelastic Cross Section." Physical Review Letters 125, br. 16 (2020). https://doi.org/10.1103/PhysRevLett.125.162001

Acharya, S., et al. (2020) 'Measurement of the Low-Energy Antideuteron Inelastic Cross Section', Physical Review Letters, 125(16). doi: 10.1103/PhysRevLett.125.162001

Acharya S, Antičić T, Erhardt F, Gotovac S, Jerčić M, Karatović D, i sur.. Measurement of the Low-Energy Antideuteron Inelastic Cross Section. Physical Review Letters [Internet]. 14.10.2020. [pristupljeno 17.11.2024.];125(16). doi: 10.1103/PhysRevLett.125.162001

S. Acharya, et al., "Measurement of the Low-Energy Antideuteron Inelastic Cross Section", Physical Review Letters, vol. 125, br. 16, Listopad 2020. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:902460. [Citirano: 17.11.2024.]

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Naslov (engleski)Measurement of the Low-Energy Antideuteron Inelastic Cross Section
AutorS. Acharya
Autor
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AutorTome Antičić
Autor
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AutorFilip Erhardt
Autor
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AutorSven Gotovac
Autor
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AutorMarko Jerčić
Autor
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AutorDavid Karatović
Autor
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AutorPetra Lončar
Autor
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AutorEugen Mudnić
Autor
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AutorMirko Planinić
Autor
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AutorNikola Poljak
Autor
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AutorGoran Simatović
Autor
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AutorLinda Vicković
Autor
...
AutorN. Zurlo
KolaboracijaA Large Ion Collider Experiment Collaboration
Autorova ustanovaSveučilište u Zagrebu
Prirodoslovno-matematički fakultet
(Fizički odsjek)
Znanstveno / umjetničko
područje, polje i grana		PRIRODNE ZNANOSTI
Fizika
Sažetak (engleski)
In this Letter, we report the first measurement of the inelastic cross section for antideuteron-nucleus interactions at low particle momenta, covering a range of 0.3 ≤ p < 4 GeV / c. The measurement is carried out using p-Pb collisions at a center-of-mass energy per nucleon–nucleon pair of √sNN = 5.02 TeV, recorded with the ALICE detector at the CERN LHC and utilizing the detector material as an absorber for antideuterons and antiprotons. The extracted raw primary antiparticle-to-particle ratios are compared to the results from detailed ALICE simulations based on the geant4 toolkit for the propagation of (anti)particles through the detector material. The analysis of the raw primary (anti)proton spectra serves as a benchmark for this study, since their hadronic interaction cross sections are well constrained experimentally. The first measurement of the inelastic cross section for antideuteron-nucleus interactions averaged over the ALICE detector material with atomic mass numbers ⟨A⟩ = 17.4 and 31.8 is obtained. The measured inelastic cross section points to a possible excess with respect to the Glauber model parametrization used in geant4 in the lowest momentum interval of 0.3 ≤ p < 0.47 GeV / c up to a factor 2.1. This result is relevant for the understanding of antimatter propagation and the contributions to antinuclei production from cosmic ray interactions within the interstellar medium. In addition, the momentum range covered by this measurement is of particular importance to evaluate signal predictions for indirect dark-matter searches.
Jezikengleski
Vrsta publikacijeZnanstveni rad - Izvorni znanstveni rad
Status objaveObjavljen
Vrsta recenzijeRecenziran - međunarodna recenzija
Verzija publikacijeObjavljena verzija rada (izdavačev PDF)
Naslov časopisaPhysical Review Letters
Brojčani podacivol. 125, br. 16, 162001
p-ISSN0031-9007
e-ISSN1079-7114
DOIhttps://doi.org/10.1103/PhysRevLett.125.162001
URN:NBNurn:nbn:hr:217:902460
Datum objave publikacije2020-10-14
URL dokumentahttps://link.aps.org/doi/10.1103/PhysRevLett.125.162001
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Imenovanje 4.0 međunarodna (CC BY 4.0)
Javna napomena© 2020 CERN, for the ALICE Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Received 18 June 2020; revised 10 August 2020; accepted 9 September 2020; published 14 October 2020.
Datum i vrijeme pohrane2020-11-21 20:59:02