Study of muon neutrino disappearance using the Fermilab Main Injector neutrino beam

被引：139

作者：

Adamson, P. ^{[8
,13
]}

Andreopoulos, C. ^{[17
]}

Arms, K. E.

Armstrong, R. ^{[10
,14
]}

Auty, D. J. ^{[21
]}

Avvakumov, S. ^{[20
]}

Ayres, D. S. ^{[1
]}

Baller, B. ^{[8
]}

Barish, B. ^{[5
]}

Barnes, P. D., Jr. ^{[12
]}

Barr, G. ^{[16
]}

Barrett, W. L. ^{[24
]}

Beall, E. ^{[1
,14
]}

Becker, B. R. ^{[14
]}

Belias, A. ^{[17
]}

Bernstein, R. H. ^{[8
]}

Bhattacharya, D.

Bishai, M. ^{[4
]}

Blake, A. ^{[6
]}

Bock, B. ^{[15
]}

Bock, G. J. ^{[8
]}

Boehm, J.

Boehnlein, D. J. ^{[8
]}

Bogert, D. ^{[8
]}

Border, P. M. ^{[14
]}

Bower, C. ^{[10
]}

Buckley-Geer, E. ^{[8
]}

Cabrera, A. ^{[16
]}

Cavanaugh, S.

Chapman, J. D. ^{[6
]}

Cherdack, D. ^{[23
]}

Childress, S. ^{[8
]}

Choudhary, B. C. ^{[8
]}

Cobb, J. H. ^{[16
]}

Coleman, S. J. ^{[25
]}

Culling, A. J. ^{[6
]}

De Jong, J. K. ^{[9
]}

Dierckxsens, M. ^{[4
]}

Diwan, M. V. ^{[4
]}

Dorman, M. ^{[13
]}

Drakoulakos, D. ^{[2
]}

Durkin, T. ^{[17
]}

Dytman, S. A.

Erwin, A. R. ^{[26
]}

Escobar, C. O. ^{[7
]}

Evans, J. J. ^{[16
]}

Harris, E. Falk ^{[21
]}

Feldman, G. J.

Fields, T. H. ^{[1
]}

Ford, R. ^{[8
]}

机构：

[1] Argonne Natl Lab, Argonne, IL 60439 USA

[2] Univ Athens, Dept Phys, GR-15771 Athens, Greece

[3] Bebedictine Univ, Dept Phys, Lisle, IL 60532 USA

[4] Brookhaven Natl Lab, Upton, NY 11973 USA

[5] CALTECH, Lauritsen Lab, Pasadena, CA 91125 USA

[6] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[7] Univ Estadual Campinas, IF UNICAMP, BR-13083970 Campinas, SP, Brazil

[8] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[9] IIT, Div Phys, Chicago, IL 60616 USA

[10] Indiana Univ, Bloomington, IN 47405 USA

[11] PN Lebedev Phys Inst, Dept Nucl Phys, Moscow 117924, Russia

[12] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

[13] UCL, Dept Phys & Astron, London WC1E 6BT, England

[14] Univ Minnesota, Minneapolis, MN 55455 USA

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

[16] Univ Oxford, Subdept Part Phys, Oxford OX1 3RH, England

[17] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[18] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil

[19] Univ S Carolina, Dept Phys & Astron, Columbia, SC 29208 USA

[20] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[21] Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England

[22] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA

[23] Tufts Univ, Dept Phys, Medford, MA 02155 USA

[24] Western Washington Univ, Dept Phys, Bellingham, WA 98225 USA

[25] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA

[26] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA

来源：

PHYSICAL REVIEW D | 2008年 / 77卷 / 07期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1103/PhysRevD.77.072002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the results of a search for nu(mu) disappearance by the Main Injector Neutrino Oscillation Search [D. G. Michael (MINOS), Phys. Rev. Lett. 97, 191801 (2006).]. The experiment uses two detectors separated by 734 km to observe a beam of neutrinos created by the Neutrinos at the Main Injector facility at Fermi National Accelerator Laboratory. The data were collected in the first 282 days of beam operations and correspond to an exposure of 1.27x10(20) protons on target. Based on measurements in the Near Detector, in the absence of neutrino oscillations we expected 336 +/- 14 nu(mu) charged-current interactions at the Far Detector but observed 215. This deficit of events corresponds to a significance of 5.2 standard deviations. The deficit is energy dependent and is consistent with two-flavor neutrino oscillations according to |Delta m(2)|=2.74(-0.26)(+0.44) x 10(-3) eV(2)/c(4) and sin(2)2 theta > 0.87 at 68% confidence level.

引用

页数：34

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