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Search for invisible modes of nucleon decay in water with the SNO+ detector

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Search for invisible modes of nucleon decay in water with the SNO+ detector. / SNO+ Collaboration.
In: Physical Review D, Vol. 99, No. 3, 032008, 01.02.2019.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

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SNO+ Collaboration. Search for invisible modes of nucleon decay in water with the SNO+ detector. Physical Review D. 2019 Feb 1;99(3):032008. doi: 10.1103/PhysRevD.99.032008

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SNO+ Collaboration. / Search for invisible modes of nucleon decay in water with the SNO+ detector. In: Physical Review D. 2019 ; Vol. 99, No. 3.

Bibtex

@article{1bd51aa60c7e44c1ba4e5680b702ecd8,
title = "Search for invisible modes of nucleon decay in water with the SNO+ detector",
abstract = " This paper reports results from a search for nucleon decay through 'invisible' modes, where no visible energy is directly deposited during the decay itself, during the initial water phase of SNO+. However, such decays within the oxygen nucleus would produce an excited daughter that would subsequently de-excite, often emitting detectable gamma rays. A search for such gamma rays yields limits of $2.5 \times 10^{29}$ y at 90% Bayesian credibility level (with a prior uniform in rate) for the partial lifetime of the neutron, and $3.6 \times 10^{29}$ y for the partial lifetime of the proton, the latter a 70% improvement on the previous limit from SNO. We also present partial lifetime limits for invisible dinucleon modes of $1.3\times 10^{28}$ y for $nn$, $2.6\times 10^{28}$ y for $pn$ and $4.7\times 10^{28}$ y for $pp$, an improvement over existing limits by close to three orders of magnitude for the latter two. ",
keywords = "hep-ex, physics.ins-det",
author = "{SNO+ Collaboration} and : and S. Andringa and E. Arushanova and S. Asahi and M. Askins and Auty, {D. J.} and Back, {A. R.} and Z. Barnard and N. Barros and D. Bartlett and F. Bar{\~a}o and R. Bayes and Beier, {E. W.} and A. Bialek and Biller, {S. D.} and E. Blucher and R. Bonventre and M. Boulay and D. Braid and E. Caden and Callaghan, {E. J.} and J. Caravaca and J. Carvalho and L. Cavalli and D. Chauhan and O. Chkvorets and Clark, {K. J.} and B. Cleveland and C. Connors and Coulter, {I. T.} and D. Cressy and X. Dai and C. Darrach and B. Davis-Purcell and Depatie, {M. M.} and F. Descamps and Lodovico, {F. Di} and N. Duhaime and F. Duncan and J. Dunger and E. Falk and N. Fatemighomi and V. Fischer and E. Fletcher and Kormos, {L. L.} and O'Keeffe, {H. M.} and Parnell, {M. J.}",
note = "13 pages, 6 figures",
year = "2019",
month = feb,
day = "1",
doi = "10.1103/PhysRevD.99.032008",
language = "English",
volume = "99",
journal = "Physical Review D",
issn = "1550-7998",
publisher = "American Physical Society",
number = "3",

}

RIS

TY - JOUR

T1 - Search for invisible modes of nucleon decay in water with the SNO+ detector

AU - SNO+ Collaboration

AU - :,

AU - Andringa, S.

AU - Arushanova, E.

AU - Asahi, S.

AU - Askins, M.

AU - Auty, D. J.

AU - Back, A. R.

AU - Barnard, Z.

AU - Barros, N.

AU - Bartlett, D.

AU - Barão, F.

AU - Bayes, R.

AU - Beier, E. W.

AU - Bialek, A.

AU - Biller, S. D.

AU - Blucher, E.

AU - Bonventre, R.

AU - Boulay, M.

AU - Braid, D.

AU - Caden, E.

AU - Callaghan, E. J.

AU - Caravaca, J.

AU - Carvalho, J.

AU - Cavalli, L.

AU - Chauhan, D.

AU - Chkvorets, O.

AU - Clark, K. J.

AU - Cleveland, B.

AU - Connors, C.

AU - Coulter, I. T.

AU - Cressy, D.

AU - Dai, X.

AU - Darrach, C.

AU - Davis-Purcell, B.

AU - Depatie, M. M.

AU - Descamps, F.

AU - Lodovico, F. Di

AU - Duhaime, N.

AU - Duncan, F.

AU - Dunger, J.

AU - Falk, E.

AU - Fatemighomi, N.

AU - Fischer, V.

AU - Fletcher, E.

AU - Kormos, L. L.

AU - O'Keeffe, H. M.

AU - Parnell, M. J.

N1 - 13 pages, 6 figures

PY - 2019/2/1

Y1 - 2019/2/1

N2 - This paper reports results from a search for nucleon decay through 'invisible' modes, where no visible energy is directly deposited during the decay itself, during the initial water phase of SNO+. However, such decays within the oxygen nucleus would produce an excited daughter that would subsequently de-excite, often emitting detectable gamma rays. A search for such gamma rays yields limits of $2.5 \times 10^{29}$ y at 90% Bayesian credibility level (with a prior uniform in rate) for the partial lifetime of the neutron, and $3.6 \times 10^{29}$ y for the partial lifetime of the proton, the latter a 70% improvement on the previous limit from SNO. We also present partial lifetime limits for invisible dinucleon modes of $1.3\times 10^{28}$ y for $nn$, $2.6\times 10^{28}$ y for $pn$ and $4.7\times 10^{28}$ y for $pp$, an improvement over existing limits by close to three orders of magnitude for the latter two.

AB - This paper reports results from a search for nucleon decay through 'invisible' modes, where no visible energy is directly deposited during the decay itself, during the initial water phase of SNO+. However, such decays within the oxygen nucleus would produce an excited daughter that would subsequently de-excite, often emitting detectable gamma rays. A search for such gamma rays yields limits of $2.5 \times 10^{29}$ y at 90% Bayesian credibility level (with a prior uniform in rate) for the partial lifetime of the neutron, and $3.6 \times 10^{29}$ y for the partial lifetime of the proton, the latter a 70% improvement on the previous limit from SNO. We also present partial lifetime limits for invisible dinucleon modes of $1.3\times 10^{28}$ y for $nn$, $2.6\times 10^{28}$ y for $pn$ and $4.7\times 10^{28}$ y for $pp$, an improvement over existing limits by close to three orders of magnitude for the latter two.

KW - hep-ex

KW - physics.ins-det

U2 - 10.1103/PhysRevD.99.032008

DO - 10.1103/PhysRevD.99.032008

M3 - Journal article

VL - 99

JO - Physical Review D

JF - Physical Review D

SN - 1550-7998

IS - 3

M1 - 032008

ER -