Measurement of the flux of atmospheric muons with the CAPRICE94 apparatus

被引：42

作者：

Boezio, M ^{[1
]}

Carlson, P

Francke, T

Weber, N

Suffert, M

Hof, M

Menn, W

Simon, M

Stephens, SA

Bellotti, R

Cafagna, F

Circella, M

De Marzo, C

Finetti, N

Papini, P

Piccardi, S

Spillantini, P

Ricci, M

Casolino, M

De Pascale, MP

Morselli, A

Picozza, P

Sparvoli, R

Barbiellini, G

Schiavon, P

Vacchi, A

Zampa, N

Grimani, C

Mitchell, JW

Ormes, JF

Streitmatter, RE

Bravar, U

Golden, RL

Stochaj, SJ

机构：

[1] Royal Inst Technol, KTH, S-10405 Stockholm, Sweden

[2] Ctr Rech Nucl, F-67037 Strasbourg, France

[3] Univ Siegen, D-57068 Siegen, Germany

[4] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India

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

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

[7] Univ Florence, Dipartimento Fis, I-50125 Florence, Italy

[8] Ist Nazl Fis Nucl, Sez Firenze, I-50125 Florence, Italy

[9] Ist Nazl Fis Nucl, Nazl Frascati Lab, I-00044 Frascati, Italy

[10] Univ Roma Tor Vergata, Dipartimento Fis, I-00133 Rome, Italy

[11] Ist Nazl Fis Nucl, Sez Roma, I-00133 Rome, Italy

[12] Univ Trieste, Dipartimento Fis, I-34147 Trieste, Italy

[13] Ist Nazl Fis Nucl, Sez Trieste, I-34147 Trieste, Italy

[14] Univ Urbino, Ist Fis, I-61029 Urbino, Italy

[15] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA

[16] New Mexico State Univ, Las Cruces, NM 88003 USA

来源：

PHYSICAL REVIEW D | 2000年 / 62卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.62.032007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A new measurement of the momentum spectra of both positive and negative muons as a function of atmospheric depth was made by the balloon-borne experiment CAPRICE93. The data were collected during ground runs in Lynn Lake on 19 and 20 July 1994 and during the balloon flight on 8 and 9 August 1994. We present results that cover the momentum intervals 0.3-40 GeV/c for mu(-) and 0.3-2 GeV/c for mu(+), for atmospheric depths from 3.3 to 1000 g/cm(2), respectively. Good agreement is found with previous measurements for high momenta, while at momenta below 1 GeV/c we find latitude dependent geomagnetic effects. These measurements are important cross-checks for the simulations carried out to calculate the atmospheric neutrino fluxes and to understand the observed atmospheric neutrino anomaly.

引用

页码：1 / 15

页数：15

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