High energy cosmic ray physics with underground muons in MACRO .1. Analysis methods and experimental results

被引:19
作者
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
DeCataldo, G
Dekhissi, H
DeMarzo, C
De Mitri, 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
Grillo, A
Guarino, F
Guarnaccia, P
Gustavino, C
Habig, A
Hanson, K
Hawthorne, A
机构
[1] IST NAZL FIS NUCL, I-80125 NAPLES, ITALY
[2] UNIV BARI, DIPARTMENTO FIS, I-70126 BARI, ITALY
[3] IST NAZL FIS NUCL, I-70126 BARI, ITALY
[4] UNIV BOLOGNA, DIPARTMENTO FIS, I-40126 BOLOGNA, ITALY
[5] IST NAZL FIS NUCL, I-40126 BOLOGNA, ITALY
[6] BOSTON UNIV, DEPT PHYS, BOSTON, MA 02215 USA
[7] CALTECH, PASADENA, CA 91125 USA
[8] DREXEL UNIV, DEPT PHYS, PHILADELPHIA, PA 19104 USA
[9] IST NAZL FIS NUCL, LAB NAZL FRASCATI, I-00044 FRASCATI, ITALY
[10] IST NAZL FIS NUCL, LAB NAZL GRAN SASSO, I-67010 ASSERGI, LAQUILA, ITALY
[11] INDIANA UNIV, DEPT PHYS, BLOOMINGTON, IN 47405 USA
[12] INDIANA UNIV, DEPT ASTRON, BLOOMINGTON, IN 47405 USA
[13] UNIV AQUILA, DIPARTIMENTO FIS, I-67100 LAQUILA, ITALY
[14] IST NAZL FIS NUCL, I-67100 LAQUILA, ITALY
[15] UNIV LECCE, DIPARTIMENTO FIS, I-73100 LECCE, ITALY
[16] IST NAZL FIS NUCL, I-73100 LECCE, ITALY
[17] UNIV MICHIGAN, DEPT PHYS, ANN ARBOR, MI 48109 USA
[18] IST NAZL FIS NUCL, I-56010 PISA, ITALY
[19] UNIV PISA, DIPARTIMENTO FIS, I-56010 PISA, ITALY
[20] UNIV ROMA LA SAPIENZA, DIPARTIMENTO FIS, I-00185 ROME, ITALY
[21] IST NAZL FIS NUCL, I-00185 ROME, ITALY
[22] TEXAS A&M UNIV, DEPT PHYS, COLLEGE STN, TX 77843 USA
[23] UNIV TURIN, DIPARTIMENTO FIS SPERIMENTALE, I-10125 TURIN, ITALY
[24] IST NAZL FIS NUCL, I-10125 TURIN, ITALY
[25] SWARTHMORE COLL, SWARTHMORE, PA 19081 USA
[26] UNIV BASILICATA, I-85100 POTENZA, ITALY
[27] IST NAZL FIS NUCL, I-20133 MILAN, ITALY
[28] CNR, IST TESRE, I-40129 BOLOGNA, ITALY
[29] SCUOLA NORMALE SUPER PISA, I-56010 PISA, ITALY
[30] UNIV MOHAMED, FAC SCI, OUJDA, MOROCCO
[31] UNIV ROMA TRE, DIPARTIMENTO FIS, ROME, ITALY
[32] UNIV TRIESTE, I-34100 TRIESTE, ITALY
[33] IST NAZL FIS NUCL, I-34100 TRIESTE, ITALY
[34] UNIV ROMA LA SAPIENZA, DIPARTIMENTO ENERGET, I-00185 ROME, ITALY
[35] RUSSIAN ACAD SCI, INST NUCL RES, MOSCOW 117312, RUSSIA
[36] INST GRAV & SPACE SCI, BUCHAREST 76900, ROMANIA
关键词
D O I
10.1103/PhysRevD.56.1407
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
In this paper, the first of a two-part work, we present the reconstruction and measurement of muon events detected underground by the MACRO experiment at Gran Sasso (E-mu greater than or equal to 1.3 TeV in atmosphere). The main aim of this work is to discuss the muon multiplicity distribution as measured in the detector. The data sample analyzed consists of 4.4 x 10(6) muon events, of which similar to 263 000 are multiple muons, corresponding to a total live time of 5850 h. In this sample, the observed multiplicities extend above N-mu = 35, with intermuon separations up to 50 m and beyond. Additional complementing measurements, such as the inclusive muon Aux, the angular distribution, and the muon separation distribution (decoherence), are also included. The physical interpretation of the results presented here is reported in the following companion paper.
引用
收藏
页码:1407 / 1417
页数:11
相关论文
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