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Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki, 2011, Volume 93, Issue 11, Pages 704–708 (Mi jetpl1915)  
This article is cited in 19 scientific papers (total in 19 papers)

FIELDS, PARTICLES, AND NUCLEI

Upper limit on the antihelium flux in primary cosmic rays

A. G. Mayorova, A. M. Gal'pera, O. Adrianib, G. A. Bazilevskayac, G. Barbarinob, R. Bellottid, M. Boezio, E. A. Bogomolovef, V. Bonvicinif, M. Bongib, L. Bonechib, S. V. Borisovag, S. Bottaib, A. Brunod, S. Vaccif, E. Vannuccinib, G. I. Vasilieve, S. A. Voronova, Y. Wuh, I. A. Danilchenkoa, W. Gillardh, G. Jerseg, G. Zampaf, N. Zampaf, V. G. Zvereva, M. Casolinog, D. Campanai, R. Carbonei, A. V. Karelina, P. Carlsonh, G. Castellinij, А. Cafagnad, A. N. Kvashnink, S. V. Koldashova, S. A. Koldobskya, S. Yu. Krutkove, A. A. Leonova, V. V. Malakhova, v. Malvezzig, L. Marcellig, W. Mennl, V. V. Mikhailova, E. Mocchiuttif, N. Morib, N. V. Nikonovgf, G. Osteriai, S. Pizzolottof, P. Papinib, M. P. De Pascaleg, P. Picozzag, M. Pearcej, M. Riccim, S. Ricciarinib, M. F. Runtsoa, M. Simonl, N. De Simoneg, R. Sparvolig, P. Spillantinib, Yu. I. Stozhkovk, V. Di Feliceg, Yu. T. Yurkina

a National Engineering Physics Institute "MEPhI", Moscow
b Dipartimento di Fisica, Università di Firenze
c P.N.Lebedev Physical Institute, the USSR Academy of Sciences
d INFN, Structure of Bari and Physics Department of University of Bari
e Ioffe Physico-Technical Institute, Russian Academy of Sciences
f University of Trieste
g INFN, Structure of Rome Tor Vergata" and Physics Department ofUniversity of Rome Tor Vergata
h KTH, Department of Physics
i INFN, Structure of Naples and Physics Department of University of Naples Federico II
j IFAC, Sesto Fiorentino
k P. N. Lebedev Physical Institute, Russian Academy of Sciences
l Physics Department of Universitat Siegen
m INFN — National Institute of Nuclear Physics, Laboratori Nazionali di Frascati
Full-text PDF (437 kB) Citations (19)
Abstract: The explanation of the observed baryon asymmetry, i.e., the almost complete absence of antimatter in the visible part of the universe, is one of the most important problems in cosmology. The real asymmetry value can be determined by direct measurements of the fluxes of antinuclei with charges $|Z| \geq 2$ in primary cosmic rays near the Earth. The results of the search for antihelium using data from the PAMELA experiment obtained from June 2006 to December 2009 are presented. No events with a charge of $-2$ have been detected in the rigidity range of $0.6$–$600$ GV. An upper limit on the antihelium/helium flux ratio overline $\overline{\mathrm{He}}/\mathrm{He}$ can only appear in a matrix or array has been presented as a function of the energy. An integral upper level of $4.7\cdot10^{-7}$ is the lowest limit at rigidities above $14$ GV.
Received: 25.04.2011
English version:
Journal of Experimental and Theoretical Physics Letters, 2011, Volume 93, Issue 11, Pages 628–631
DOI: https://doi.org/10.1134/S0021364011110087
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. G. Mayorov, A. M. Gal'per, O. Adriani, G. A. Bazilevskaya, G. Barbarino, R. Bellotti, M. Boezio, E. A. Bogomolov, V. Bonvicini, M. Bongi, L. Bonechi, S. V. Borisov, S. Bottai, A. Bruno, S. Vacci, E. Vannuccini, G. I. Vasiliev, S. A. Voronov, Y. Wu, I. A. Danilchenko, W. Gillard, G. Jerse, G. Zampa, N. Zampa, V. G. Zverev, M. Casolino, D. Campana, R. Carbone, A. V. Karelin, P. Carlson, G. Castellini, А. Cafagna, A. N. Kvashnin, S. V. Koldashov, S. A. Koldobsky, S. Yu. Krutkov, A. A. Leonov, V. V. Malakhov, v. Malvezzi, L. Marcelli, W. Menn, V. V. Mikhailov, E. Mocchiutti, N. Mori, N. V. Nikonov, G. Osteria, S. Pizzolotto, P. Papini, M. P. De Pascale, P. Picozza, M. Pearce, M. Ricci, S. Ricciarini, M. F. Runtso, M. Simon, N. De Simone, R. Sparvoli, P. Spillantini, Yu. I. Stozhkov, V. Di Felice, Yu. T. Yurkin, “Upper limit on the antihelium flux in primary cosmic rays”, Pis'ma v Zh. Èksper. Teoret. Fiz., 93:11 (2011), 704–708; JETP Letters, 93:11 (2011), 628–631
Citation in format AMSBIB
\Bibitem{MayGalAdr11}
\by A.~G.~Mayorov, A.~M.~Gal'per, O.~Adriani, G.~A.~Bazilevskaya, G.~Barbarino, R.~Bellotti, M.~Boezio, E.~A.~Bogomolov, V.~Bonvicini, M.~Bongi, L.~Bonechi, S.~V.~Borisov, S.~Bottai, A.~Bruno, S.~Vacci, E.~Vannuccini, G.~I.~Vasiliev, S.~A.~Voronov, Y.~Wu, I.~A.~Danilchenko, W.~Gillard, G.~Jerse, G.~Zampa, N.~Zampa, V.~G.~Zverev, M.~Casolino, D.~Campana, R.~Carbone, A.~V.~Karelin, P.~Carlson, G.~Castellini, А.~Cafagna, A.~N.~Kvashnin, S.~V.~Koldashov, S.~A.~Koldobsky, S.~Yu.~Krutkov, A.~A.~Leonov, V.~V.~Malakhov, v.~Malvezzi, L.~Marcelli, W.~Menn, V.~V.~Mikhailov, E.~Mocchiutti, N.~Mori, N.~V.~Nikonov, G.~Osteria, S.~Pizzolotto, P.~Papini, M.~P.~De Pascale, P.~Picozza, M.~Pearce, M.~Ricci, S.~Ricciarini, M.~F.~Runtso, M.~Simon, N.~De Simone, R.~Sparvoli, P.~Spillantini, Yu.~I.~Stozhkov, V.~Di Felice, Yu.~T.~Yurkin
\paper Upper limit on the antihelium flux in primary cosmic rays
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2011
\vol 93
\issue 11
\pages 704--708
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\transl
\jour JETP Letters
\yr 2011
\vol 93
\issue 11
\pages 628--631
\crossref{https://doi.org/10.1134/S0021364011110087}
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    • This publication is cited in the following 19 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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