Constraints on Oscillation Parameters from νe Appearance and νμ Disappearance in NOvA

被引:122
作者
Adamson, P. [11 ]
Aliaga, L. [11 ]
Ambrose, D. [26 ]
Anfimov, N. [22 ]
Antoshkin, A. [22 ]
Arrieta-Diaz, E. [31 ]
Augsten, K. [9 ]
Aurisano, A. [6 ]
Backhouse, C. [4 ]
Baird, M. [17 ,33 ]
Bambah, B. A. [15 ]
Bays, K. [4 ]
Behera, B. [16 ]
Bending, S. [37 ]
Bernstein, R. [11 ]
Bhatnagar, V. [27 ]
Bhuyan, B. [13 ]
Bian, J. [20 ,26 ]
Blackburn, T. [33 ]
Bolshakova, A. [22 ]
Bromberg, C. [24 ]
Brown, J. [26 ]
Brunetti, G. [11 ]
Buchanan, N. [8 ]
Butkevich, A. [18 ]
Bychkov, V. [26 ]
Campbell, M. [37 ]
Catano-Mur, E. [19 ]
Childress, S. [11 ]
Choudhary, B. C. [10 ]
Chowdhury, B. [29 ]
Coan, T. E. [31 ]
Coelho, J. A. B. [36 ]
Colo, M. [40 ]
Cooper, J. [11 ]
Corwin, L. [30 ]
Cremonesi, L. [37 ]
Cronin-Hennessy, D. [26 ]
Davies, G. S. [17 ]
Davies, J. P. [33 ]
Derwent, P. F. [11 ]
Dharmapalan, R. [1 ]
Ding, P. [11 ]
Djurcic, Z. [1 ]
Dukes, E. C. [38 ]
Duyang, H. [29 ]
Edayath, S. [7 ]
Ehrlich, R. [38 ]
Feldman, G. J. [14 ]
Frank, M. J. [28 ,38 ]
机构
[1] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA
[2] Czech Acad Sci, Inst Phys, Prague 18221, Czech Republic
[3] Banaras Hindu Univ, Inst Sci, Dept Phys, Varanasi 221005, Uttar Pradesh, India
[4] CALTECH, Pasadena, CA 91125 USA
[5] Charles Univ Prague, Fac Math & Phys, Inst Particle & Nucl Phys, Prague 11636, Czech Republic
[6] Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA
[7] Cochin Univ Sci & Technol, Dept Phys, Kochi 682022, Kerala, India
[8] Colorado State Univ, Dept Phys, Ft Collins, CO 80523 USA
[9] Czech Tech Univ, Brehova 7,Prague 1, Prague 11519, Czech Republic
[10] Univ Delhi, Dept Phys & Astrophys, Delhi 110007, India
[11] Fermilab Natl Accelerator Lab, POB 500, Batavia, IL 60510 USA
[12] Univ Fed Goias, Inst Fis, BR-74690900 Goiania, Go, Brazil
[13] IIT, Dept Phys, Gauhati 781039, India
[14] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
[15] Univ Hyderabad, Sch Phys, Hyderabad 500046, Andhra Pradesh, India
[16] IIT, Dept Phys, Hyderabad 502205, Andhra Pradesh, India
[17] Indiana Univ, Bloomington, IN 47405 USA
[18] Acad Sci 7a, Inst Nucl Res, Moscow 117312, Russia
[19] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
[20] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA
[21] Univ Jammu, Dept Phys & Elect, Jammu 180006, Jammu & Kashmir, India
[22] Joint Inst Nucl Res, Moscow 141980, Russia
[23] Lebedev Phys Inst, Nucl Phys Dept, Leninsky Prospect 53, Moscow 119991, Russia
[24] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
[25] Univ Minnesota, Dept Phys & Astron, Duluth, MN 55812 USA
[26] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA
[27] Panjab Univ, Dept Phys, Chandigarh 106014, India
[28] Univ S Alabama, Dept Phys, Mobile, AL 36688 USA
[29] Univ South Carolina, Dept Phys & Astron, Columbia, SC 29208 USA
[30] South Dakota Sch Mines & Technol, Rapid City, SD 57701 USA
[31] Southern Methodist Univ, Dept Phy, Dallas, TX 75275 USA
[32] Stanford Univ, Dept Phys, Stanford, CA 94305 USA
[33] Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England
[34] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
[35] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA
[36] Tufts Univ, Dept Phys & Astron, Medford, MA 02155 USA
[37] UCL, Phys & Astron Dept, Gower St, London WC1E 6BT, England
[38] Univ Virginia, Dept Phys, Charlottesville, VA 22904 USA
[39] Wichita State Univ, Dept Math Stat, Wichita, KS 67206 USA
[40] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA
[41] Winona State Univ, Dept Phys, POB 5838, Winona, MN 55987 USA
基金
欧洲研究理事会; 美国国家科学基金会;
关键词
ELASTIC TRACKING;
D O I
10.1103/PhysRevLett.118.231801
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Results are reported from an improved measurement of nu(mu) -> nu(e) transitions by the NOvA experiment. Using an exposure equivalent to 6.05 x 10(20) protons on target, 33 nu(e) candidates are observed with a background of 8.2 +/- 0.8 (syst.). Combined with the latest NOvA nu(mu) disappearance data and external constraints from reactor experiments on sin(2) 2 theta(13), the hypothesis of inverted mass hierarchy with theta(23) in the lower octant is disfavored at greater than 93% C.L. for all values of delta(CP).
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