Measurement of neutrino and antineutrino neutral-current quasielasticlike interactions on oxygen by detecting nuclear deexcitation γ rays

被引：26

作者：

Abe, K. ^{[62
]}

Akutsu, R. ^{[63
]}

Ali, A. ^{[38
]}

Alt, C. ^{[11
]}

Andreopoulos, C. ^{[40
,59
,60
]}

Anthony, L. ^{[40
]}

Antonova, M. ^{[19
,20
]}

Aoki, S. ^{[37
]}

Ariga, A. ^{[2
]}

Ashida, Y. ^{[38
]}

Atkin, E. T. ^{[22
]}

Awataguchi, Y. ^{[65
]}

Ban, S. ^{[38
]}

Barbi, M. ^{[51
]}

Barker, G. J. ^{[72
]}

Barr, G. ^{[48
]}

Barry, C. ^{[40
]}

Batkiewicz-Kwasniak, M. ^{[15
]}

Beloshapkin, A. ^{[32
]}

Bench, F. ^{[40
]}

Berardi, V ^{[23
,24
,25
]}

Berkman, S. ^{[4
,68
]}

Berns, L. ^{[64
]}

Bhadra, S. ^{[76
]}

Bienstock, S. ^{[58
]}

Blondel, A. ^{[13
,77
]}

Bolognesi, S. ^{[6
]}

Bourguille, B. ^{[18
]}

Boyd, S. B. ^{[72
]}

Brailsford, D. ^{[39
]}

Bravar, A. ^{[13
]}

Bravo Berguno, D. ^{[1
]}

Bronner, C. ^{[62
]}

Bubak, A. ^{[56
]}

Avanzini, M. Buizza ^{[10
]}

Calcutt, J. ^{[42
]}

Campbell, T. ^{[7
]}

Cao, S. ^{[16
]}

Cartwright, S. L. ^{[55
]}

Catanesi, M. G. ^{[23
,24
,25
]}

Cervera, A. ^{[19
,20
]}

Chappell, A. ^{[72
]}

Checchia, C. ^{[28
,29
]}

Cherdack, D. ^{[17
]}

Chikuma, N. ^{[61
]}

Christodoulou, G. ^{[12
]}

Coleman, J. ^{[40
]}

Collazuol, G. ^{[28
,29
]}

Cook, L. ^{[34
,48
]}

Coplowe, D. ^{[48
]}

机构：

[1] Univ Autonoma Madrid, Dept Theoret Phys, Madrid, Spain

[2] Univ Bern, Albert Einstein Ctr Fundamental Phys, Lab High Energy Phys, Bern, Switzerland

[3] Boston Univ, Dept Phys, 590 Commonwealth Ave, Boston, MA 02215 USA

[4] Univ British Columbia, Dept Phys & Astron, Vancouver, BC, Canada

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

[6] CEA Saclay, IRFU, Gif Sur Yvette, France

[7] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

[8] Colorado State Univ, Dept Phys, Ft Collins, CO 80523 USA

[9] Duke Univ, Dept Phys, Durham, NC 27706 USA

[10] Ecole Polytech, Lab Leprince Ringuet, IN2P3, CNRS, Palaiseau, France

[11] Swiss Fed Inst Technol, Inst Particle Phys & Astrophys, Zurich, Switzerland

[12] CERN, European Org Nucl Res, Genve 23, Switzerland

[13] Univ Geneva, Sect Phys, DPNC, Geneva, Switzerland

[14] Univ Glasgow, Sch Phys & Astron, Glasgow, Lanark, Scotland

[15] H Niewodniczanski Inst Nucl Phys PAN, Krakow, Poland

[16] High Energy Accelerator Res Org, KEK, Ibaraki, Japan

[17] Univ Houston, Dept Phys, Houston, TX USA

[18] Barcelona Inst Sci & Technol, IFAE, Campus UAB, Bellaterra, Barcelona, Spain

[19] CSIC, IFIC, Valencia, Spain

[20] Univ Valencia, IFIC, Valencia, Spain

[21] Inst Interdisciplinary Res Sci & Educ IFIRSE, ICISE, Quy Nhon, Vietnam

[22] Imperial Coll London, Dept Phys, London, England

[23] INFN, Sez Bari, Bari, Italy

[24] Univ Bari, Dipartimento Interuniv Fis, Bari, Italy

[25] Politecn Bari, Dipartimento Interuniv Fis, Bari, Italy

[26] INFN, Sez Napoli, Naples, Italy

[27] Univ Napoli, Dipartimento Fis, Naples, Italy

[28] INFN, Sez Padova, Padua, Italy

[29] Univ Padua, Dipartimento Fis, Padua, Italy

[30] INFN, Sez Roma, Rome, Italy

[31] Univ Roma La Sapienza, Rome, Italy

[32] Russian Acad Sci, Inst Nucl Res, Moscow, Russia

[33] Vietnam Acad Sci & Technol, Int Ctr Phys, Inst Phys IOP, 10 Dao Tan, Hanoi, Vietnam

[34] Univ Tokyo, Inst Adv Study, Kavli Inst Phys & Math Universe WPI, Kashiwa, Chiba, Japan

[35] Keio Univ, Dept Phys, Yokohama, Kanagawa, Japan

[36] Kings Coll London, Dept Phys, London, England

[37] Kobe Univ, Kobe, Hyogo, Japan

[38] Kyoto Univ, Dept Phys, Kyoto, Japan

[39] Univ Lancaster, Phys Dept, Lancaster, England

[40] Univ Liverpool, Dept Phys, Liverpool, Merseyside, England

[41] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA

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

[43] Miyagi Univ Educ, Dept Phys, Sendai, Miyagi, Japan

[44] Natl Ctr Nucl Res, Warsaw, Poland

[45] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA

[46] Okayama Univ, Dept Phys, Okayama, Japan

[47] Osaka City Univ, Dept Phys, Osaka, Japan

[48] Univ Oxford, Dept Phys, Oxford, England

[49] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA

[50] Queen Mary Univ London, Sch Phys & Astron, London, England

来源：

PHYSICAL REVIEW D | 2019年 / 100卷 / 11期

基金：

加拿大自然科学与工程研究理事会;

关键词：

MAGNETIC HORN SYSTEM; CALIBRATION; EXCITATION; DESIGN; PROTON;

D O I：

10.1103/PhysRevD.100.112009

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Neutrino- and antineutrino-oxygen neutral-current quasielasticlike interactions are measured at SuperKamiokande using nuclear deexcitation gamma rays to identify signal-like interactions in data from a 14.94(16.35) x 10(20) protons-on-target exposure of the T2K neutrino (antineutrino) beam. The measured flux-averaged cross sections on oxygen nuclei are <sigma(nu-NCQE)> = 1.70 +/- 0.17(stat.)(-0.38)(+0.51) (syst.) x 10(-38) cm(2)/oxygen with a fluxaveraged energy of 0.82 GeV and <sigma((nu) over bar -NCQE)> = 0.98 +/- 0.16(stat.)(-0.19)(+0.26)(syst.) x 10(-38) cm(2)/oxygen with a flux-averaged energy of 0.68 GeV, for neutrinos and antineutrinos, respectively. These results are the most precise to date, and the antineutrino result is the first cross section measurement of this channel. They are compared with various theoretical predictions. The impact on evaluation of backgrounds to searches for supernova relic neutrinos at present and future water Cherenkov detectors is also discussed.

引用

页数：19

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