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Measurement of antiproton production in p-He collisions at √sNN=110 GeV

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The cross section for prompt antiproton production in collisions of protons with an energy of 6.5 TeV incident on helium nuclei at rest is measured with the LHCb experiment from a data set corresponding to an integrated luminosity of 0.5 nb−1. The target is provided by injecting helium gas into the...

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Autori principali: Aaij, Roel (Autore) , D'Argent, Philippe (Autore) , Bachmann, Sebastian (Autore) , Berninghoff, Daniel (Autore) , Comerma-Montells, Albert (Autore) , Dziewiecki, Michal (Autore) , Gerick, David (Autore) , Grabowski, Jascha (Autore) , Han, Xiaoxue (Autore) , Hansmann-Menzemer, Stephanie (Autore) , Kecke, Matthieu (Autore) , Kolpin, Michael (Autore) , Kopecná, Renata (Autore) , Leverington, Blake (Autore) , Marks, Jörg (Autore) , Mitzel, Dominik (Autore) , Neubert, Sebastian (Autore) , Neuner, Max (Autore) , Skidmore, Nicola (Autore) , Stahl, Marian (Autore) , Stemmle, Simon (Autore) , Uwer, Ulrich (Autore) , Zhelezov, Alexey (Autore)
Ente Autore: LHCb Collaboration (Autore)
Natura: Article (Journal)
Lingua:inglese
Pubblicazione: 29 November 2018
In: Physical review letters
Year: 2018, Volume: 121, Fascicolo: 22
ISSN:1079-7114
DOI:10.1103/PhysRevLett.121.222001
Accesso online:Verlag, Volltext: https://doi.org/10.1103/PhysRevLett.121.222001
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.121.222001
Testo
Note sull'autore:R. Aaij et al.* (LHCb collaboration)
Descrizione
Riassunto:The cross section for prompt antiproton production in collisions of protons with an energy of 6.5 TeV incident on helium nuclei at rest is measured with the LHCb experiment from a data set corresponding to an integrated luminosity of 0.5 nb−1. The target is provided by injecting helium gas into the LHC beam line at the LHCb interaction point. The reported results, covering antiproton momenta between 12 and 110 GeV/c, represent the first direct determination of the antiproton production cross section in p−He collisions, and impact the interpretation of recent results on antiproton cosmic rays from space-borne experiments.
Descrizione del documento:Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, "NN" ist dabei tiefgestellt
R. Aaij, P. d’Argent, S. Bachmann, D. Berninghoff, A. Comerma-Montells, M. Dziewiecki, D. Gerick, J.P. Grabowski, X. Han, S. Hansmann-Menzemer, M. Kecke, M. Kolpin, R. Kopecna, B. Leverington, J. Marks, D.S. Mitzel, S. Neubert, M. Neuner, A. Piucci, N. Skidmore, M. Stahl, S. Stemmle, U. Uwer, A. Zhelezov [und weitere] (LHCb collaboration)
Gesehen am 09.04.2019
Descrizione fisica:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.121.222001

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