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Titolo:
SEASONAL-VARIATIONS IN THE UNDERGROUND MUON INTENSITY AS SEEN BY MACRO
Autore:
AMBROSIO M; ANTOLINI R; AURIEMMA G; BAKER R; BALDINI A; BARBARINO GC; BARISH BC; BATTISTONI G; BELLOTTI R; BEMPORAD C; BERNARDINI P; BILOKON H; BISI V; BLOISE C; BOSIO T; BOWER C; BUSSINO S; CAFAGNA F; CALICCHIO M; CAMPANA D; CARBONI M; CASTELLANO M; CECCHINI S; CEI F; CHIARELLA V; CORONA A; COUTU S; DEBENEDICTIS L; DECATALDO G; DEKHISSI H; DEMARZO C; DEMITRI I; DEVINCENZI M; DICREDICO A; ERRIQUEZ O; FANTINI R; FAVUZZI C; FORTI C; FUSCO P; GIACOMELLI G; GIANNINI G; GIGLIETTO N; GORETTI M; GRASSI M; GREEN P; GRILLO A; GUARINO F; GUARNACCIA P; GUSTAVINO C; HABIG A; HANSON K; HAWTHORNE A; HEINZ R; HONG JT; IAROCCI E; KATSAVOUNIDIS E; KEARNS E; KYRIAZOPOULOU S; LAMANNA E; LANE C; LEVIN DS; LIPARI P; LIU G; LIU R; LONGLEY NP; LONGO MJ; LUDLAM G; MAAROUFI F; MANCARELLA G; MANDRIOLI G; MARGIOTTANERI A; MARINI A; MARTELLO D; MARZARICHIESA A; MAZZIOTTA MN; MICHAEL DG; MIKHEYEV S; MILLER L; MONACELLI P; MONTARULI T; MONTENO M; MUFSON S; MUSSER J; NICOLO D; NOLTY R; OKADA C; ORTH C; OSTERIA G; PAGANINI S; PALAMARA O; PARLATI S; PATERA V; PATRIZII L; PAZZI R; PECK CW; PETRERA S; PIGNATANO ND; PISTILLI P; POPA V; RAINO A; REYNOLDSON J; RONGA F; RUBIZZO U; SANZGIRI A; SARTOGO F; SATRIANO C; SATTA L; SCAPPARONE E; SCHOLBERG K; SCIUBBA A; SERRALUGARESI P; SEVERI M; SITTA M; SPINELLI P; SPINETTI M; SPURIO M; STEINBERG R; STONE JL; SULAK LR; SURDO A; TARLE G; TOGO V; VALENTE V; WALTER CW; WEBB R;
Indirizzi:
UNIV NAPLES,DIPARTIMENTO FIS I-80125 NAPLES ITALY IST NAZL FIS NUCL I-80125 NAPLES ITALY UNIV MICHIGAN,DEPT PHYS ANN ARBOR MI 48109 UNIV LECCE,DIPARTIMENTO FIS I-73100 LECCE ITALY IST NAZL FIS NUCL I-73100 LECCE ITALY UNIV AQUILA,DIPARTIMENTO FIS I-67100 LAQUILA ITALY IST NAZL FIS NUCL I-67100 LAQUILA ITALY INDIANA UNIV,DEPT PHYS BLOOMINGTON IN 47405 INDIANA UNIV,DEPT ASTRON BLOOMINGTON IN 47405 IST NAZL FIS NUCL,LAB NAZL GRAN SASSO I-67010 ASSERGI LAQUILA ITALY IST NAZL FIS NUCL,LAB NAZL FRASCATI I-00044 FRASCATI ROMA ITALY DREXEL UNIV,DEPT PHYS PHILADELPHIA PA 19104 CALTECH PASADENA CA 91125 BOSTON UNIV,DEPT PHYS BOSTON MA 02215 UNIV BOLOGNA,DIPARTIMENTO FIS I-40126 BOLOGNA ITALY IST NAZL FIS NUCL I-40126 BOLOGNA ITALY UNIV BARI,DIPARTIMENTO FIS I-70126 BARI ITALY IST NAZL FIS NUCL I-70126 BARI ITALY IST NAZL FIS NUCL I-56010 PISA ITALY UNIV PISA,DIPARTIMENTO FIS I-56010 PISA ITALY UNIV ROMA LA SAPIENZA,DIPARTIMENTO FIS I-00185 ROME ITALY IST NAZL FIS NUCL I-00185 ROME ITALY TEXAS A&M UNIV,DEPT PHYS COLLEGE STN TX 77843 UNIV TURIN,DIPARTIMENTO FIS SPERIMENTALE I-10125 TURIN ITALY IST NAZL FIS NUCL I-10125 TURIN ITALY SANDIA NATL LABS ALBUQUERQUE NM 87185 SWARTHMORE COLL SWARTHMORE PA 19081 UNIV BASILICATA I-85100 POTENZA ITALY IST NAZL FIS NUCL I-20133 MILAN ITALY CNR,IST TESRE I-40129 BOLOGNA ITALY SCUOLA NORMALE SUPER PISA I-56010 PISA ITALY UNIV MOHAMED I,FAC SCI OUJDA MOROCCO UNIV ROMA TRE,DIPARTIMENTO FIS ROME ITALY UNIV TRIESTE I-34100 TRIESTE ITALY IST NAZL FIS NUCL I-34100 TRIESTE ITALY UNIV ROME,DIPARTIMENTO ENERGET I-00185 ROME ITALY RUSSIAN ACAD SCI,INST NUCL RES MOSCOW 117312 RUSSIA INST ATOM PHYS R-76900 BUCHAREST ROMANIA
Titolo Testata:
Astroparticle physics
fascicolo: 1-2, volume: 7, anno: 1997,
pagine: 109 - 124
SICI:
0927-6505(1997)7:1-2<109:SITUMI>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
ENERGY-SPECTRA; COSMIC-RAYS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
M. Ambrosio et al., "SEASONAL-VARIATIONS IN THE UNDERGROUND MUON INTENSITY AS SEEN BY MACRO", Astroparticle physics, 7(1-2), 1997, pp. 109-124

Abstract

Using 5.33 x 10(6) single muons collected in 1.46 x 10(4) live hours by MACRO during the period 1991-1994, we have searched for a correlation between variations in the underground muon rate, N-mu, and seasonaltemperature variations in the atmosphere. These correlations are found to be present with high statistical significance. Analysis of the relatively complete December 1992-December 1994 subset of the data yields a value for the temperature coefficient, alpha(T) = (T/N-mu)(partialderivative N-mu/partial derivative T) = 0.83 +/- 0.13. Analysis of the total data Set gives consistent results. We have compared this result with the hypothesis that the muons observed in MACRO come from pion decays alone. Although our result is consistent with the 'pion only' hypothesis, a discussion of the sensitivity of our data sample to the kaon component of the cascades leading to observed muons underground will also be presented. (C) 1997 Elsevier Science B.V.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/12/20 alle ore 08:22:05