Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator
Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator
The direction of individual $^8$B solar neutrinos has been reconstructed using the SNO+ liquid scintillator detector. Prompt, directional Cherenkov light was separated from the slower, isotropic scintillation light using time information, and a maximum likelihood method was used to reconstruct the direction of individual scattered electrons. A clear directional signal was observed, correlated with the solar angle. The observation was aided by a period of low primary fluor concentration that resulted in a slower scintillator decay time. This is the first time that event-by-event direction reconstruction in high light-yield liquid scintillator has been demonstrated in a large-scale detector.
L. Pickard、J. Dittmer、I. Semenec、Y. H. Lin、C. Lefebvra、L. L. Kormos、A. L. Hallin、W. Parker、M. Luo、S. D. Biller、S. Yang、G. Milton、J. Corning、A. Wright、C. J. Virtue、J. Smith、M. Chen、S. M. A. Hussain、J. Baker、T. Kaptanoglu、H. Khan、D. Morris、C. Hewitt、J. Wang、J. Rose、T. S. Bezerra、I. Morton-Blake、J. Tseng、C. Grant、S. Kaluzienski、A. Zummo、E. Falk、B. Cleveland、N. McCauley、A. S. In¨￠cio、M. Rigan、J. Paton、B. Krar、P. Khaghani、F. Di Lodovico、L. Lebanowski、L. J. Nolan、A. Bialek、J. P. Yanez、C. J. Jillings、W. J. Heintzelman、R. Svoboda、E. Caden、E. Blucher、P. Ravi、J. Hu、J. R. Klein、M. A. Cox、E. J. Callaghan、K. H. Dixon、A. B. McDonald、D. J. Auty、R. L. Helmer、D. Cookman、A. Gaur、C. Mills、J. Lee、R. Ford、M. Ward、E. W. Beier、V. Howard、M. Askins、J. Page、M. R. Anderson、Z. Ye、J. R. Wilson、S. Riccetto、M. Mubasher、S. Yu、E. V¨￠zquez-J¨￠uregui、R. Bayes、J. D. Wilson、Y. Zhang、A. Bacon、M. Smiley、R. D. Martin、K. Zuber、J. Antunes、C. Lake、S. Manecki、P. Skensvard、O. I. Ganz¨￠laz-Reina、B. Hreljac、C. Kraus、V. Lozza、A. Molina Colina、S. Cheng、K. Paleshi、J. Rumleskie、D. Gooding、N. Barros、B. Tam、S. Valder、J. Grove、G. D. Orebi Gann、M. Yeh、S. J. M. Peeters、R. Dehghani、T. Kroupov¨￠、N. Fatemighomi、S. Andringa、S. Hall、J. Deloye、A. Maio、A. Reichold、R. Rosero、S. Naugle、F. Bar?o、R. Hunt-Stokes、J. Maneira、C. B. Krauss、M. M. Depatie、A. Allega、H. M. O'Keeffe
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粒子探测技术、辐射探测技术、核仪器仪表
L. Pickard,J. Dittmer,I. Semenec,Y. H. Lin,C. Lefebvra,L. L. Kormos,A. L. Hallin,W. Parker,M. Luo,S. D. Biller,S. Yang,G. Milton,J. Corning,A. Wright,C. J. Virtue,J. Smith,M. Chen,S. M. A. Hussain,J. Baker,T. Kaptanoglu,H. Khan,D. Morris,C. Hewitt,J. Wang,J. Rose,T. S. Bezerra,I. Morton-Blake,J. Tseng,C. Grant,S. Kaluzienski,A. Zummo,E. Falk,B. Cleveland,N. McCauley,A. S. In¨￠cio,M. Rigan,J. Paton,B. Krar,P. Khaghani,F. Di Lodovico,L. Lebanowski,L. J. Nolan,A. Bialek,J. P. Yanez,C. J. Jillings,W. J. Heintzelman,R. Svoboda,E. Caden,E. Blucher,P. Ravi,J. Hu,J. R. Klein,M. A. Cox,E. J. Callaghan,K. H. Dixon,A. B. McDonald,D. J. Auty,R. L. Helmer,D. Cookman,A. Gaur,C. Mills,J. Lee,R. Ford,M. Ward,E. W. Beier,V. Howard,M. Askins,J. Page,M. R. Anderson,Z. Ye,J. R. Wilson,S. Riccetto,M. Mubasher,S. Yu,E. V¨￠zquez-J¨￠uregui,R. Bayes,J. D. Wilson,Y. Zhang,A. Bacon,M. Smiley,R. D. Martin,K. Zuber,J. Antunes,C. Lake,S. Manecki,P. Skensvard,O. I. Ganz¨￠laz-Reina,B. Hreljac,C. Kraus,V. Lozza,A. Molina Colina,S. Cheng,K. Paleshi,J. Rumleskie,D. Gooding,N. Barros,B. Tam,S. Valder,J. Grove,G. D. Orebi Gann,M. Yeh,S. J. M. Peeters,R. Dehghani,T. Kroupov¨￠,N. Fatemighomi,S. Andringa,S. Hall,J. Deloye,A. Maio,A. Reichold,R. Rosero,S. Naugle,F. Bar?o,R. Hunt-Stokes,J. Maneira,C. B. Krauss,M. M. Depatie,A. Allega,H. M. O'Keeffe.Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator[EB/OL].(2023-09-12)[2025-06-19].https://arxiv.org/abs/2309.06341.点此复制
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