Optical calibration of the SNO plus detector in the water phase with deployed sources

被引：0

作者：

Anderson, M. R. ^{[1
]}

Andringa, S. ^{[2
]}

Askins, M. ^{[3
,4
]}

Auty, D. J. ^{[5
]}

Barao, F. ^{[2
,6
]}

Barros, N. ^{[2
,7
]}

Bayes, R. ^{[8
]}

Beier, E. W. ^{[9
]}

Bialek, A. ^{[8
,10
]}

Biller, S. D. ^{[11
]}

Blucher, E. ^{[12
,13
]}

Boulay, M. ^{[1
]}

Caden, E. ^{[8
,10
]}

Callaghan, E. J. ^{[3
,4
]}

Caravaca, J. ^{[3
,4
]}

Chen, M. ^{[1
]}

Chkvorets, O. ^{[8
]}

Cleveland, B. ^{[8
,10
]}

Cookman, D. ^{[11
]}

Corning, J. ^{[1
]}

Cox, M. A. ^{[2
,14
]}

Deluce, C. ^{[8
]}

Depatie, M. M. ^{[8
]}

Di Lodovico, F. ^{[15
]}

Dittmer, J. ^{[16
]}

Falk, E. ^{[17
]}

Fatemighomi, N. ^{[10
]}

Fischer, V ^{[18
]}

Ford, R. ^{[8
,10
]}

Frankiewicz, K. ^{[19
]}

Gaur, A. ^{[5
]}

Gilje, K. ^{[5
]}

Gonzalez-Reina, O., I ^{[20
]}

Gooding, D. ^{[19
]}

Grant, C. ^{[19
]}

Grove, J. ^{[8
]}

Hallin, A. L. ^{[5
]}

Hallman, D. ^{[8
]}

Hartnell, J. ^{[17
]}

Heintzelman, W. J. ^{[9
]}

Helmer, R. L. ^{[21
]}

Hu, J. ^{[5
]}

Hunt-Stokes, R. ^{[11
]}

Hussain, S. M. A. ^{[8
]}

Inacio, A. S. ^{[2
,7
]}

Jillings, C. J. ^{[8
,10
]}

Kaptanoglu, T. ^{[3
,4
,9
]}

Khaghani, P. ^{[8
]}

Khan, H. ^{[8
]}

Klein, J. R. ^{[9
]}

机构：

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

[2] Lab Instrumentacao & Fis Expt Particulas LIP, Av Prof Gama Pinto 2, P-1649003 Lisbon, Portugal

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

[4] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA

[5] Univ Alberta, Dept Phys, 4-181 CCIS, Edmonton, AB T6G 2E1, Canada

[6] Univ Lisbon, Inst Super Tecn IST, Dept Fis, Av Rovisco Pais, P-1049001 Lisbon, Portugal

[7] Univ Lisbon, Fac Ciencias FCUL, Dept Fis, Edificio C8, P-1749016 Lisbon, Portugal

[8] Laurentian Univ, Dept Phys, 935 Ramsey Lake Rd, Sudbury, ON P3E 2C6, Canada

[9] Univ Penn, Dept Phys & Astron, 209 South 33rd St, Philadelphia, PA 19104 USA

[10] SNOLAB, Creighton Mine 9,1039 Reg Rd 24, Sudbury, ON P3Y 1N2, Canada

[11] Univ Oxford, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England

[12] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[13] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

[14] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England

[15] Kings Coll London, Dept Phys, Strand Bldg, London WC2R 2LS, England

[16] Tech Univ Dresden, Inst Kern & Teilchenphys, Zellescher Weg 19, D-01069 Dresden, Germany

[17] Univ Sussex, Phys & Astron, Pevensey 2, Brighton BN1 9QH, E Sussex, England

[18] Univ Calif Davis, 1 Shields Ave, Davis, CA 95616 USA

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

[20] Univ Nacl Autonoma Mexico, Inst Fis, Apartado Postal 20-364, Mexico City 01000, DF, Mexico

[21] TRIUMF, 4004 Wesbrook Mall, Vancouver, BC V6T 2A3, Canada

[22] Univ Lancaster, Phys Dept, Lancaster LA1 4YB, England

[23] Queen Mary Univ London, Sch Phys & Astron, 327 Mile End Rd, London E1 4NS, England

[24] Brookhaven Natl Lab, Chem Dept, Bldg 555,POB 5000, Upton, NY 11973 USA

来源：

JOURNAL OF INSTRUMENTATION | 2021年 / 16卷 / 10期

关键词：

Analysis and statistical methods; Cherenkov detectors; Detector alignment and calibration methods (lasers; sources; particle-beams); Neutrino detectors;

D O I：

10.1088/1748-0221/16/10/P10021

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

SNO+ is a large-scale liquid scintillator experiment with the primary goal of searching for neutrinoless double beta decay, and is located approximately 2 km underground in SNOLAB, Sudbury, Canada. The detector acquired data for two years as a pure water Cherenkov detector, starting in May 2017. During this period, the optical properties of the detector were measured in situ using a deployed light diffusing sphere, with the goal of improving the detector model and the energy response systematic uncertainties. The measured parameters included the water attenuation coefficients, effective attenuation coefficients for the acrylic vessel, and the angular response of the photomultiplier tubes and their surrounding light concentrators, all across different wavelengths. The calibrated detector model was validated using a deployed tagged gamma source, which showed a 0.6 % variation in energy scale across the primary target volume.

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页数：30

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