Measurements of atmospheric muon neutrino oscillations, global analysis of the data collected with MACRO detector

被引：133

作者：

Ambrosio, M

Antolini, R

Bakari, D

Baldini, A

Barbarino, GC

Barish, BC

Battistoni, G

Becherini, Y

Bellotti, R

Bemporad, C

Bernardini, P ^{[1
]}

Bilokon, H

Bloise, C

Bower, C

Brigida, M

Cafagna, F

Campana, D

Carboni, M

Cecchini, S

Cei, F

Chiarella, V

Choudhary, BC

Cosson, D

Coutu, S

De Cataldo, G

Dekhissi, H

De Marzo, C

De Mitri, I

Denni, U

Derkauoi, J

De Vincenzi, M

Di Credico, A

Favuzzi, C

Forti, C

Frani, A

Fusco, P

Giacomelli, G

Giannini, G

Giglietto, N

Giorgini, M

Grassi, M

Grillo, A

Guarino, F

Gustavino, C

Habig, A

Hanson, K

Heinz, R

Iarocci, E

Katsavounidis, E

Katsavounidis, I

机构：

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

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

[3] Univ Bari, Dipartmento Fis, I-70126 Bari, Italy

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

[5] Univ Bologna, Dipartmento Fis, I-40126 Bologna, Italy

[6] Ist Nazl Fis Nucl, I-40126 Bologna, Italy

[7] Boston Univ, Dept Phys, Boston, MA 02215 USA

[8] CALTECH, Pasadena, CA 91125 USA

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

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

[11] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Laquila, Italy

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

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

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

[15] Ist Nazl Fis Nucl, I-67100 Laquila, Italy

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

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

[18] Univ Naples Federico II, Dipartimento Fis, I-80125 Naples, Italy

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

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

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

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

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

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

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

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

[27] Univ Mohamed I, Fac Sci, LPTP, Oujda, Morocco

[28] Ist Nazl Fis Nucl, I-00146 Rome, Italy

[29] Univ Roma Tre, Dipartimento Fis, I-00146 Rome, Italy

[30] Ist Nazl Fis Nucl, I-20133 Milan, Italy

[31] CNR, IASF, Sez Bologna, I-40129 Bologna, Italy

[32] Penn State Univ, Dept Phys, University Pk, PA 16801 USA

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

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

[35] Univ Minnesota, Dept Phys, Duluth, MN 55812 USA

[36] Univ Roma La Sapienza, Dipartimento Energet, I-00185 Rome, Italy

[37] MIT, Dept Phys, Cambridge, MA 02139 USA

[38] Intervideo Inc, Torrance, CA 90505 USA

[39] Univ Calabria, Dipartimento Fis, I-87036 Cosenza, Italy

[40] PINSTECH, RPD, Islamabad, Pakistan

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

[42] Inst Space Sci, Bucharest 76900, Romania

[43] Univ Basilicata, I-85100 Potenza, Italy

[44] Univ Piemonte Orientale, Dipartimento Sci & Technol Avanzate, I-15100 Alessandria, Italy

[45] Resonance Photon, Markham, ON, Canada

[46] Univ Naples Federico II, Dipartimento Fis, I-80125 Naples, Italy

来源：

EUROPEAN PHYSICAL JOURNAL C | 2004年 / 36卷 / 03期

关键词：

D O I：

10.1140/epjc/s2004-01951-9

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The final analysis of atmospheric neutrino events collected with the MACRO detector is presented. Three different classes of events, generated by neutrinos in different energy ranges, are studied looking at rates, angular distributions and estimated energies. The results are consistent for all the subsamples and indicate a flux deficit that depends on energy and path - length of neutrinos. The no - oscillation hypothesis is excluded at similar to 5sigma, while the hypothesis of nu(mu) --> nu(tau) oscillation gives a satisfactory description of all data. The parameters with highest probability in a two flavor scenario are sin(2) 2theta(m) = 1 and Deltam(2) = 0.0023 eV(2). This result is independent of the absolute normalization of the atmospheric neutrino fluxes. The data can also be used to put experimental constrain on this normalization.

引用

页码：323 / 339

页数：17

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