Measurement of atmospheric neutrino mixing with improved IceCube DeepCore calibration and data processing

被引：24

作者：

Abbasi, R. ^{[20
]}

Ackermann, M. ^{[71
]}

Adams, J. ^{[21
]}

Agarwalla, S. K. ^{[45
,46
,72
]}

Aguilar, J. A. ^{[13
]}

Ahlers, M. ^{[26
]}

Alameddine, J. M. ^{[27
]}

Amin, N. M. ^{[50
,51
]}

Andeen, K. ^{[48
]}

Anton, G. ^{[30
]}

Arguelles, C. ^{[15
,16
]}

Ashida, Y. ^{[45
,46
]}

Athanasiadou, S. ^{[71
]}

Axani, S. N. ^{[50
,51
]}

Bai, X. ^{[57
]}

Balagopal, A. ^{[45
,46
]}

Baricevic, M. ^{[45
,46
]}

Barwick, S. W. ^{[34
]}

Basu, V. ^{[45
,46
]}

Bay, R. ^{[9
]}

Beatty, J. J. ^{[23
,24
,25
]}

Becker, K. -H. ^{[70
]}

Tjus, J. Becker ^{[12
,73
]}

Beise, J. ^{[69
]}

Bellenghi, C. ^{[31
]}

Benning, C. ^{[1
]}

BenZvi, S. ^{[59
]}

Berley, D. ^{[22
]}

Bernardini, E. ^{[55
]}

Besson, D. Z. ^{[40
]}

Binder, G. ^{[9
,10
]}

Blaufuss, E. ^{[22
]}

Blot, S. ^{[71
]}

Bontempo, F. ^{[35
]}

Book, J. Y. ^{[15
,16
]}

Meneguolo, C. Boscolo ^{[55
]}

Boser, S. ^{[47
]}

Botner, O. ^{[69
]}

Boettcher, J. ^{[1
]}

Bourbeau, E. ^{[26
]}

Braun, J. ^{[45
,46
]}

Brinson, B. ^{[6
,7
]}

Brostean-Kaiser, J. ^{[71
]}

Burley, R. T. ^{[2
]}

Busse, R. S. ^{[49
]}

Butterfield, D. ^{[45
,46
]}

Campana, M. A. ^{[56
]}

Carloni, K. ^{[15
,16
]}

Carnie-Bronca, E. G. ^{[2
]}

Chattopadhyay, S. ^{[45
,46
,72
]}

机构：

[1] Rhein Westfal TH Aachen, Phys Inst 3, D-52056 Aachen, Germany

[2] Univ Adelaide, Dept Phys, Adelaide, SA 5005, Australia

[3] Univ Alaska Anchorage, Dept Phys & Astron, 3211 Providence Dr, Anchorage, AK 99508 USA

[4] Univ Texas Arlington, Dept Phys, 502 Yates St,Sci Hall Rm 108,Box 19059, Arlington, TX 76019 USA

[5] Clark Atlanta Univ, CTSPS, Atlanta, GA 30314 USA

[6] Georgia Inst Technol, Sch Phys, Atlanta, GA 30332 USA

[7] Georgia Inst Technol, Ctr Relativist Astrophys, Atlanta, GA 30332 USA

[8] Southern Univ, Dept Phys, Baton Rouge, LA 70813 USA

[9] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[10] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[11] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[12] Ruhr Univ Bochum, Fak Phys & Astron, D-44780 Bochum, Germany

[13] Univ Libre Bruxelles, Sci Fac, CP230, B-1050 Brussels, Belgium

[14] Vrije Univ Brussel VUB, Dienst ELEM, B-1050 Brussels, Belgium

[15] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[16] Harvard Univ, Lab Particle Phys & Cosmol, Cambridge, MA 02138 USA

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

[18] Chiba Univ, Dept Phys, Chiba 2638522, Japan

[19] Chiba Univ, Int Ctr Hadron Astrophys, Chiba 2638522, Japan

[20] Loyola Univ Chicago, Dept Phys, Chicago, IL 60660 USA

[21] Univ Canterbury, Dept Phys & Astron, Private Bag 4800, Christchurch, New Zealand

[22] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[23] Ohio State Univ, Dept Astron, Columbus, OH 43210 USA

[24] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[25] Ohio State Univ, Ctr Cosmol & Astroparticle Phys, Columbus, OH 43210 USA

[26] Univ Copenhagen, Niels Bohr Inst, DK-2100 Copenhagen, Denmark

[27] TU Dortmund Univ, Dept Phys, D-44221 Dortmund, Germany

[28] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[29] Univ Alberta, Dept Phys, Edmonton, AB T6G 2E1, Canada

[30] Friedrich Alexander Univ Erlangen Nurnberg, Erlangen Ctr Astroparticle Phys, D-91058 Erlangen, Germany

[31] Tech Univ Munich, Phys Dept, D-85748 Garching, Germany

[32] Univ Geneva, Dept Phys Nucl & Corpusculaire, CH-1211 Geneva, Switzerland

[33] Univ Ghent, Dept Phys & Astron, B-9000 Ghent, Belgium

[34] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA

[35] Karlsruhe Inst Technol, Inst Astroparticle Phys, D-76021 Karlsruhe, Germany

[36] Karlsruhe Inst Technol, Inst Expt Particle Phys, D-76021 Karlsruhe, Germany

[37] Queens Univ, Dept Phys Engn Phys & Astron, Kingston, ON K7L 3N6, Canada

[38] Univ Nevada, Dept Phys & Astron, Las Vegas, NV 89154 USA

[39] Univ Nevada, Nevada Ctr Astrophys, Las Vegas, NV 89154 USA

[40] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA

[41] UCLA, Dept Phys & Astron, Los Angeles, CA 90095 USA

[42] Catholic Univ Louvain, Ctr Cosmol Particle Phys & Phenomenol CP3, Louvain La Neuve, Belgium

[43] Mercer Univ, Dept Phys, Macon, GA 31207 USA

[44] Univ Wisconsin, Dept Astron, Madison, WI 53706 USA

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

[46] Univ Wisconsin, Wisconsin IceCube Particle Astrophys Ctr, Madison, WI 53706 USA

[47] Johannes Gutenberg Univ Mainz, Inst Phys, Staudinger Weg 7, D-55099 Mainz, Germany

[48] Marquette Univ, Dept Phys, Milwaukee, WI 53201 USA

[49] Westfalische Wilhelms Univ Munster, Inst Kernphys, D-48149 Munster, Germany

[50] Univ Delaware, Bartol Res Inst, Newark, DC 19716 USA

来源：

PHYSICAL REVIEW D | 2023年 / 108卷 / 01期

基金：

瑞典研究理事会; 加拿大自然科学与工程研究理事会; 新加坡国家研究基金会; 加拿大创新基金会; 美国国家科学基金会; 瑞士国家科学基金会; 澳大利亚研究理事会;

关键词：

ISING-MODEL; GAUGE-THEORY; STATISTICS; INVARIANCE; BEHAVIOR;

D O I：

10.1103/PhysRevD.108.012014

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We describe a new data sample of IceCube DeepCore and report on the latest measurement of atmospheric neutrino oscillations obtained with data recorded between 2011-2019. The sample includes significant improvements in data calibration, detector simulation, and data processing, and the analysis benefits from a sophisticated treatment of systematic uncertainties, with significantly greater level of detail since our last study. By measuring the relative fluxes of neutrino flavors as a function of their reconstructed energies and arrival directions we constrain the atmospheric neutrino mixing parameters to be sin2 theta 23 = 0.51 +/- 0.05 and Delta m232 = 2.41 +/- 0.07 x 10-3 eV2, assuming a normal mass ordering. The errors include both statistical and systematic uncertainties. The resulting 40% reduction in the error of both parameters with respect to our previous result makes this the most precise measurement of oscillation parameters using atmospheric neutrinos. Our results are also compatible and complementary to those obtained using neutrino beams from accelerators, which are obtained at lower neutrino energies and are subject to different sources of uncertainties.

引用

页数：36

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