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Observation of a VHE cosmic-ray flare-signal with the L3+C muon spectrometer

O. Adriani M. van den Akker T. Aziz J. Bähr S. Banerjee F. Becattini L. Bellucci B.L. Betev J.J. Blaising 1 G.J. Bobbink S. Bottai D. Bourilkov A. Cartacci M. Chemarin 2 G. Chen G.M. Chen H.S. Chen T. Chiarusi G. Coignet 1 L.K. Ding I. Duran A. Eline H. El Mamouni 3 G. Faber J. Fay 2 F. Filthaut S.N. Ganguli Z.F. Gong H.J. Grabosch H. Groenstege Y.N. Guo S. Gupta A. Gurtu Ch. Haller Y. Hayashi Z.X. He T. Hebbeker A. Hervé H. Hofer H. Hofer Jr. A.X. Huo N. Ito C.L. Jing L.W. Jones V. Kantserov S. Kawakami W. Kittel A.C. König E. Kok H.H. Kuang J. Kuijpers P. Ladron de Guevara P. Le Coultre Y. Lei H. Leich R. Leiste L. Li Z.C. Li Z.A. Liu W. Lohmann Y.S. Lu W.G. Ma X.H. Ma Y.Q. Ma S. Mele X.W. Meng M. Meschini W.J. Metzger A. van Mil H. Milcent G.B. Mohanty B. Monteleoni R. Nahnhauer V.A. Naumov H. Nowak J.-F. Parriaud 2 F. Pauss B. Petersen M. Pieri M. Pohl V. Pojidaev C.R. Qing R. Ramelli R. Ranieri K.C. Ravindran P. Rewiersma S. Riemann A. Rojkov L. Romero Vivien Schmitt B. Schoeneich D.J. Schotanus C.Q. Shen P. Spillantini H. Sulanke X.W. Tang C. Timmermans S.C. Tonwar G. Trowitzsch M. Unger H. Verkooijen R.T. van de Walle H. Vogt R.G. Wang Q. Wang X.L. Wang X.W. Wang Z.M. Wang R. van Wijk T.A.M. Wijnen H. Wilkens Y.P. Xu J.S. Xu Z.Z. Xu C.G. Yang X.F. Yang Z.G. Yao Z.Q. Yu C. Zhang F. Zhang J. Zhang S. Zhang S.J. Zhou G.Y. Zhu Q.Q. Zhu H.L. Zhuang A.N.M. Zwart
Abstract : The data collected by the L3+C muon spectrometer at the CERN Large Electron–Positron collider, LEP, have been used to search for short duration signals emitted by cosmic point sources. A sky survey performed from July to November 1999 and from April to November 2000 has revealed one single flux enhancement (chance probability = 2.6x10-3) between the 17th and 20th of August 2000 from a direction with a galactic longitude of (265.02 ± 0.42)° and latitude of (55.58 ± 0.24)°. The energy of the detected muons was above 15 GeV.
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Submitted on : Friday, March 12, 2010 - 3:17:42 PM
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O. Adriani, M. van den Akker, T. Aziz, J. Bähr, S. Banerjee, et al.. Observation of a VHE cosmic-ray flare-signal with the L3+C muon spectrometer. Astroparticle Physics, Elsevier, 2010, 33, pp.24-39. ⟨10.1016/j.astropartphys.2009.11.001⟩. ⟨in2p3-00448179⟩

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