ATMOSPHERIC NEUTRINO FLUX MEASUREMENT USING UPGOING MUONS

被引：99

作者：

AHLEN, S

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

BOWER, C

BUSSINO, S

CAFAGNA, F

CALICCHIO, M

CAMPANA, D

CARBONI, M

CASTELLANO, M

CECCHINI, S

CEI, F

CELIO, P

CHIARELLA, V

CORMACK, R

CORONA, A

COUTU, S

DECATALDO, G

DEKHISSI, H

DEMARZO, C

DIEHL, E

DE MITRI, I

DEVINCENZI, M

DICREDICO, A

ERRIQUEZ, O

FAVUZZI, C

FORTI, C

FUSCO, P

GIACOMELLI, G

GIANNINI, G

GIGLIETTO, N

GRASSI, M

GREEN, P

GRILLO, A

GUARINO, F

GUARNACCIA, P

GUSTAVINO, C

HABIG, A

机构：

[1] UNIV BARI, DIPARTMENTO FIS, I-70126 BARI, ITALY

[2] IST NAZL FIS NUCL, I-70126 BARI, ITALY

[3] UNIV BOLOGNA, DIPARTMENTO FIS, I-40126 BOLOGNA, ITALY

[4] IST NAZL FIS NUCL, I-40126 BOLOGNA, ITALY

[5] CALTECH, PASADENA, CA 91125 USA

[6] DREXEL UNIV, DEPT PHYS, PHILADELPHIA, PA 19104 USA

[7] IST NAZL FIS NUCL, LAB NAZL FRASCATI, I-00044 FRASCATI, ITALY

[8] IST NAZL FIS NUCL, NAZL GRAN SASSO LAB, I-67010 ASSERGI, ITALY

[9] INDIANA UNIV, DEPT PHYS, BLOOMINGTON, IN 47405 USA

[10] INDIANA UNIV, DEPT ASTRON, BLOOMINGTON, IN 47405 USA

[11] UNIV LAQUILA, DIPARTIMENTO FIS, I-67100 LAQUILA, ITALY

[12] IST NAZL FIS NUCL, I-67100 LAQUILA, ITALY

[13] UNIV LECCE, DIPARTIMENTO FIS, I-73100 LECCE, ITALY

[14] IST NAZL FIS NUCL, I-73100 LECCE, ITALY

[15] UNIV MICHIGAN, DEPT PHYS, ANN ARBOR, MI 48109 USA

[16] UNIV NAPLES, DIPARTIMENTO FIS, I-80125 NAPLES, ITALY

[17] IST NAZL FIS NUCL, I-80125 NAPLES, ITALY

[18] UNIV PISA, DIPARTIMENTO FIS, I-56010 PISA, ITALY

[19] IST NAZL FIS NUCL, 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] UNIV BASILICATA, I-85100 POTENZA, ITALY

[26] IST NAZL FIS NUCL, I-20133 MILAN, ITALY

[27] CNR, IST TESRE, I-40129 BOLOGNA, ITALY

[28] SCUOLA NORMALE SUPER PISA, I-56010 PISA, ITALY

[29] UNIV MOHAMED 1, FAC SCI, OUJDA, MOROCCO

[30] UNIV ROME 3, DIPARTIMENTO FIS, ROME, ITALY

[31] UNIV TRIESTE, I-34100 TRIESTE, ITALY

[32] IST NAZL FIS NUCL, I-34100 TRIESTE, ITALY

[33] UNIV ROME, DIPARTIMENTO ENERGET, I-00185 ROME, ITALY

[34] RUSSIAN ACAD SCI, INST NUCL RES, MOSCOW 117312, RUSSIA

[35] INST ATOM PHYS, R-76900 BUCHAREST, ROMANIA

来源：

PHYSICS LETTERS B | 1995年 / 357卷 / 03期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0370-2693(95)00958-N

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report on the first measurement of the flux of upgoing muons resulting from interactions of atmospheric neutrinos in the rock below MACRO. The ratio of the observed to the expected number of events integrated over all nadir angles is 0.73 +/- .09(stat) +/- 0 .06(sys) +/- 12(theor.). The flux of upgoing muons as a function of nadir angle is presented and compared to Monte Carlo expectations. At the 90% confidence level, the data are consistent with no neutrino oscillations or some possible oscillation hypotheses with the parameters suggested by the Kamiokande contained-event analysis.

引用

页码：481 / 486

页数：6

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