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Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

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Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator. / SNO+ Collaboration ; Kormos, L. L.; O'Keeffe, H. M.
In: Physical Review D, Vol. 109, No. 7, 072002, 03.04.2024.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

SNO+ Collaboration, Kormos, LL & O'Keeffe, HM 2024, 'Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator', Physical Review D, vol. 109, no. 7, 072002. https://doi.org/10.1103/PhysRevD.109.072002

APA

SNO+ Collaboration, Kormos, L. L., & O'Keeffe, H. M. (2024). Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator. Physical Review D, 109(7), Article 072002. https://doi.org/10.1103/PhysRevD.109.072002

Vancouver

SNO+ Collaboration, Kormos LL, O'Keeffe HM. Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator. Physical Review D. 2024 Apr 3;109(7):072002. doi: 10.1103/PhysRevD.109.072002

Author

SNO+ Collaboration ; Kormos, L. L. ; O'Keeffe, H. M. / Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator. In: Physical Review D. 2024 ; Vol. 109, No. 7.

Bibtex

@article{817cc7f86a4c40709c1832ad522d9d05,
title = "Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator",
abstract = "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. ",
keywords = "hep-ex, physics.ins-det",
author = "{SNO+ Collaboration} and Kormos, {L. L.} and O'Keeffe, {H. M.}",
note = "6 pages, 6 figures. Prepared for submission to PRL",
year = "2024",
month = apr,
day = "3",
doi = "10.1103/PhysRevD.109.072002",
language = "English",
volume = "109",
journal = "Physical Review D",
issn = "1550-7998",
publisher = "American Physical Society",
number = "7",

}

RIS

TY - JOUR

T1 - Event-by-Event Direction Reconstruction of Solar Neutrinos in a High Light-Yield Liquid Scintillator

AU - SNO+ Collaboration

AU - Kormos, L. L.

AU - O'Keeffe, H. M.

N1 - 6 pages, 6 figures. Prepared for submission to PRL

PY - 2024/4/3

Y1 - 2024/4/3

N2 - 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.

AB - 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.

KW - hep-ex

KW - physics.ins-det

U2 - 10.1103/PhysRevD.109.072002

DO - 10.1103/PhysRevD.109.072002

M3 - Journal article

VL - 109

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 7

M1 - 072002

ER -