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Energy spectra and elemental composition of primary nuclei in the knee region: Recent results from the GAMMA experiment

dc.contributor.authorMARTIROSOV, R.M.
dc.contributor.authorTER-ANTONYAN, S.V.
dc.contributor.authorGARYAKA, A.P.
dc.contributor.authorNIKOLSKAYA, N.
hal.structure.identifierLaboratoire de Physique Théorique et Astroparticules [LPTA]
dc.contributor.authorGALLANT, Yves
dc.contributor.authorJONES, L.W.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorPROCUREUR, J.
dc.date.issued2008-01-15
dc.identifier.issn0920-5632
dc.description.abstractEnOn the basis of the extensive air shower (EAS) data obtained by the GAMMA experiment, the energy spectra and elemental composition of the primary cosmic rays are derived in the 1–100 PeV energy range. The reconstruction of the primary energy spectra is carried out using an EAS inverse approach with the hypothesis of power-law primary energy spectra with rigidity-dependent knees. The rigidity-dependent knee feature of the primary energy spectra is displayed at the rigidities ER ~= 2.5±0.2 PeV/Z and ER ~= 3.1–4.2 PeV/Z for the SIBYLL and QGSJET interaction models respectively. Using the event-by-event method of the primary energy evaluation from the measured Nch, Nμ and shower age (s) parameters, the all-particle energy spectrum is also obtained.
dc.language.isoen
dc.publisherElsevier
dc.title.enEnergy spectra and elemental composition of primary nuclei in the knee region: Recent results from the GAMMA experiment
dc.typeArticle de revue
dc.identifier.doi10.1016/j.nuclphysbps.2007.11.019
dc.subject.halPhysique [physics]/Astrophysique [astro-ph]/Phénomènes cosmiques de haute energie [astro-ph.HE]
dc.subject.halPlanète et Univers [physics]/Astrophysique [astro-ph]/Phénomènes cosmiques de haute energie [astro-ph.HE]
bordeaux.journalNuclear Physics B - Proceedings Supplements
bordeaux.page311-314
bordeaux.volume175-176
bordeaux.peerReviewedoui
hal.identifierhal-00430249
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00430249v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Nuclear%20Physics%20B%20-%20Proceedings%20Supplements&rft.date=2008-01-15&rft.volume=175-176&rft.spage=311-314&rft.epage=311-314&rft.eissn=0920-5632&rft.issn=0920-5632&rft.au=MARTIROSOV,%20R.M.&TER-ANTONYAN,%20S.V.&GARYAKA,%20A.P.&NIKOLSKAYA,%20N.&GALLANT,%20Yves&rft.genre=article


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