Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/259
Type: Artigo de periódico
Title: Observation of muon intensity variations by season with the MINOS far detector
Author: ADAMSON, P.
ANDREOPOULOS, C.
ARMS, K. E.
ARMSTRONG, R.
AUTY, D. J.
AYRES, D. S.
BACKHOUSE, C.
BARNETT, J.
BARR, G.
BARRETT, W. L.
BECKER, B. R.
BISHAI, M.
BLAKE, A.
BOCK, B.
BOCK, G. J.
BOEHNLEIN, D. J.
BOGERT, D.
BOWER, C.
CAVANAUGH, S.
CHAPMAN, J. D.
CHERDACK, D.
CHILDRESS, S.
CHOUDHARY, B. C.
COBB, J. H.
COLEMAN, S. J.
CRONIN-HENNESSY, D.
CULLING, A. J.
DANKO, I. Z.
JONG, J. K. de
DEVENISH, N. E.
DIWAN, M. V.
DORMAN, M.
ESCOBAR, C. O.
EVANS, J. J.
FALK, E.
FELDMAN, G. J.
FIELDS, T. H.
FROHNE, M. V.
GALLAGHER, H. R.
GODLEY, A.
GOODMAN, M. C.
GOUFFON, P.
GRAN, R.
GRASHORN, E. W.
GRZELAK, K.
HABIG, A.
HARRIS, D.
HARRIS, P. G.
HARTNELL, J.
HATCHER, R.
HELLER, K.
HIMMEL, A.
HOLIN, A.
HYLEN, J.
IRWIN, G. M.
ISVAN, Z.
JAFFE, D. E.
JAMES, C.
JENSEN, D.
KAFKA, T.
KASAHARA, S. M. S.
KOIZUMI, G.
KOPP, S.
KORDOSKY, M.
KORMAN, K.
KOSKINEN, D. J.
KRAHN, Z.
KREYMER, A.
LANG, K.
LING, J.
LITCHFIELD, P. J.
LOIACONO, L.
LUCAS, P.
MA, J.
MANN, W. A.
MARSHAK, M. L.
MARSHALL, J. S.
MAYER, N.
MCGOWAN, A. M.
MEHDIYEV, R.
MEIER, J. R.
MESSIER, M. D.
METELKO, C. J.
MICHAEL, D. G.
MILLER, Kw. H.
MISHRA, S. R.
MITCHELL, J.
MOORE, C. D.
MORFIN, J.
MUALEM, L.
MUFSON, S.
MUSSER, J.
NAPLES, D.
NELSON, J. K.
NEWMAN, H. B.
NICHOL, R. J.
NICHOLLS, T. C.
OCHOA-RICOUX, J. P.
OLIVER, W. P.
OSIECKI, T.
OSPANOV, R.
OSPREY, S.
PALEY, J.
PATTERSON, R. B.
PATZAK, T.
PAWLOSKI, G.
PEARCE, G. F.
PETERSON, E. A.
PITTAM, R.
PLUNKETT, R. K.
RAHAMAN, A.
RAMEIKA, R. A.
RAUFER, T. M.
REBEL, B.
REICHENBACHER, J.
RODRIGUES, P. A.
ROSENFELD, C.
RUBIN, H. A.
RYABOV, V. A.
SANCHEZ, M. C.
SAOULIDOU, N.
SCHNEPS, J.
SCHREINER, P.
SHANAHAN, P.
SMART, W.
SMITH, C.
SOUSA, A.
SPEAKMAN, B.
STAMOULIS, P.
STRAIT, M.
TAGG, N.
TALAGA, R. L.
THOMAS, J.
THOMSON, M. A.
THRON, J. L.
TINTI, G.
TONER, R.
TSAREV, V. A.
TZANAKOS, G.
URHEIM, J.
VAHLE, P.
VIREN, B.
WATABE, M.
WEBER, A.
WEBB, R. C.
WEST, N.
WHITE, C.
WHITEHEAD, L.
WOJCICKI, S. G.
WRIGHT, D. M.
YANG, T.
ZOIS, M.
ZHANG, K.
ZWASKA, R.
Abstract: The temperature of the upper atmosphere affects the height of primary cosmic ray interactions and the production of high-energy cosmic ray muons which can be detected deep underground. The MINOS far detector at Soudan, MN, has collected over 67 X 10(6) cosmic ray induced muons. The underground muon rate measured over a period of five years exhibits a 4% peak-to-peak seasonal variation which is highly correlated with the temperature in the upper atmosphere. The coefficient, alpha(T), relating changes in the muon rate to changes in atmospheric temperature was found to be alpha(T) 0: 873 +/- 0: 009(stat) +/- 0.010(syst). Pions and kaons in the primary hadronic interactions of cosmic rays in the atmosphere contribute differently to alpha(T) due to the different masses and lifetimes. This allows the measured value of alpha(T) to be interpreted as a measurement of the K/pi ratio for E(p) greater than or similar to 7 TeV of 0.12(-0.05)(+0.07), consistent with the expectation from collider experiments.
Country: Estados Unidos
Editor: AMER PHYSICAL SOC
Citation: PHYSICAL REVIEW D, v.81, n.1, 2010
Rights: fechado
Identifier DOI: 10.1103/PhysRevD.81.012001
Address: http://apps.isiknowledge.com/InboundService.do?Func=Frame&product=WOS&action=retrieve&SrcApp=EndNote&UT=000274002800004&Init=Yes&SrcAuth=ResearchSoft&mode=FullRecord
http://dx.doi.org/10.1103/PhysRevD.81.012001
Date Issue: 2010
Appears in Collections:IFGW - Artigos e Materiais de Revistas Científicas

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