The observation of up-going charged particles produced by high energy muons in underground detectors

被引：45

作者：

Ambrosio, M ^{[1
]}

Antolini, R

Aramo, C

Auriemma, G

Baldini, A

Barbarino, GC

Barish, BC

Battistoni, G

Bellotti, R

Bemporad, C

Bernardini, P

Bilokon, H

Bisi, V

Bloise, C

Bower, C

Bussino, S

Cafagna, F

Calicchio, M

Campana, D

Carboni, M

Castellano, M

Cecchini, S

Cei, F

Chiarella, V

Coutu, S

Cunti, G

De Benedictis, L

De Cataldo, G

Dekhissi, H

De Marzo, C

De Mitri, I

De Vincenzi, M

Di Credico, A

Erriquez, O

Favuzzi, C

Forti, C

Fusco, P

Giacomelli, G

Giannini, G

Giglietto, N

Grassi, M

Gray, L

Grillo, A

Guarino, F

Guarnaccia, P

Gustavino, C

Habig, A

Hanson, K

Hawthorne, A

Heinz, R

机构：

[1] Drexel Univ, Dept Phys, Philadelphia, PA 19104 USA

[2] Univ Bari, Dipartimento Fis, I-70126 Bari, Italy

[3] Ist Nazl Fis Nucl, I-70126 Bari, Italy

[4] Univ Bologna, Dipartimento 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] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[9] INFN, Lab Nazl Gran Sasso, I-67010 Assergi Laquila, Italy

[10] Indiana Univ, Dept Phys, Bloomington, IN 47405 USA

[11] Indiana Univ, Dept Astron, Bloomington, IN 47405 USA

[12] Univ Aquila, Dipartimento Fis, I-67100 Laquila, Italy

[13] INFN, I-67100 Laquila, Italy

[14] Univ Lecce, Dipartimento Fis, I-73100 Lecce, Italy

[15] Ist Nazl Fis Nucl, I-73100 Lecce, Italy

[16] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA

[17] Univ Naples, Dipartimento Fis, I-80125 Naples, Italy

[18] Ist Nazl Fis Nucl, I-80125 Naples, Italy

[19] Ist Nazl Fis Nucl, I-56010 Pisa, Italy

[20] Univ Pisa, Dipartimento Fis, I-56010 Pisa, Italy

[21] Ist Nazl Fis Nucl, I-00185 Rome, Italy

[22] Univ Rome La Sapienza, Dipartimento Fis, I-00185 Rome, Italy

[23] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA

[24] Univ Turin, Dipartimento Fis Sperimentale, I-10125 Turin, Italy

[25] Ist Nazl Fis Nucl, I-10125 Turin, Italy

[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 I, Fac Sci, Oujda, Morocco

[31] Univ Roma Tre, Dipartimento Fis, Roma, Italy

[32] Ist Nazl Fis Nucl, I-34100 Trieste, Italy

[33] Univ Trieste, I-34100 Trieste, Italy

[34] Univ Rome, Dipartimento Energet, I-00185 Rome, Italy

[35] Russian Acad Sci, Inst Nucl Res, Moscow 117312, Russia

[36] Inst Space Sci, Bucharest 76900, Romania

[37] Ist Nazl Fis Nucl, I-95129 Catania, Italy

来源：

ASTROPARTICLE PHYSICS | 1998年 / 9卷 / 02期

关键词：

D O I：

10.1016/S0927-6505(98)00010-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

An experimental study of the production of up-going charged particles in inelastic interactions of down-going underground muons is reported, using data obtained from the MACRO detector at the Gran Sasso Laboratory. In a sample of 12.2 x 10(6) single muons, corresponding to a detector lifetime of 1.55y, 243 events are observed having an up-going particle associated with a down-going muon. These events are analysed to determine the range and emission angle distributions of the up-going particle, corrected for detection and reconstruction efficiency. Measurements of the muon neutrino flux by underground detectors are often based on the observation of through-going and stopping muons produced in v(mu) interactions in the rock below the detector. Up-going particles produced by an undetected down-going muon are a potential background source in these measurements. The implications of this background for neutrino studies using MACRO are discussed. (C) 1998 Elsevier Science B.V.

引用

页码：105 / 117

页数：13

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