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Available under license: CC BY: Creative Commons Attribution 4.0 International License
Final published version
Licence: CC BY: Creative Commons Attribution 4.0 International License
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
}
TY - JOUR
T1 - Improved search for invisible modes of nucleon decay in water with the SNO+ detector
AU - SNO+ Collaboration
AU - Allega, A.
AU - Andringa, S.
AU - Askins, M.
AU - Auty, D. J.
AU - Bacon, A.
AU - Barros, N.
AU - Barão, F.
AU - Bayes, R.
AU - Beier, E. W.
AU - Bezerra, T. S.
AU - Bialek, A.
AU - Biller, S. D.
AU - Blucher, E.
AU - Caden, E.
AU - Callaghan, E. J.
AU - Chkvorets, O.
AU - Cleveland, B.
AU - Cookman, D.
AU - Corning, J.
AU - Dehghani, R.
AU - Deluce, C.
AU - Depatie, M. M.
AU - Dittmer, J.
AU - Dixon, K. H.
AU - Lodovico, F. Di
AU - Falk, E.
AU - Fatemighomi, N.
AU - Ford, R.
AU - Frankiewicz, K.
AU - Gaur, A.
AU - González-Reina, O. I.
AU - Gooding, D.
AU - Grant, C.
AU - Hallin, A. L.
AU - Hallman, D.
AU - Hartnell, J.
AU - Heintzelman, W. J.
AU - Helmer, R. L.
AU - Hunt-Stokes, R.
AU - Inácio, A. S.
AU - Jillings, C. J.
AU - Kaptanoglu, T.
AU - Khaghani, P.
AU - Klein, J. R.
AU - Kormos, L. L.
AU - Krar, B.
AU - Kraus, C.
AU - O'Keeffe, H. M.
PY - 2022/6/27
Y1 - 2022/6/27
N2 - This paper reports results from a search for single and multi-nucleon disappearance from the $^{16}$O nucleus in water within the \snoplus{} detector using all of the available data. These so-called "invisible" decays do not directly deposit energy within the detector but are instead detected through their subsequent nuclear de-excitation and gamma-ray emission. New limits are given for the partial lifetimes: $\tau(n\rightarrow inv) > 9.0\times10^{29}$ years, $\tau(p\rightarrow inv) > 9.6\times10^{29}$ years, $\tau(nn\rightarrow inv) > 1.5\times10^{28}$ years, $\tau(np\rightarrow inv) > 6.0\times10^{28}$ years, and $\tau(pp\rightarrow inv) > 1.1\times10^{29}$ years at 90\% Bayesian credibility level (with a prior uniform in rate). All but the ($nn\rightarrow inv$) results improve on existing limits by a factor of about 3.
AB - This paper reports results from a search for single and multi-nucleon disappearance from the $^{16}$O nucleus in water within the \snoplus{} detector using all of the available data. These so-called "invisible" decays do not directly deposit energy within the detector but are instead detected through their subsequent nuclear de-excitation and gamma-ray emission. New limits are given for the partial lifetimes: $\tau(n\rightarrow inv) > 9.0\times10^{29}$ years, $\tau(p\rightarrow inv) > 9.6\times10^{29}$ years, $\tau(nn\rightarrow inv) > 1.5\times10^{28}$ years, $\tau(np\rightarrow inv) > 6.0\times10^{28}$ years, and $\tau(pp\rightarrow inv) > 1.1\times10^{29}$ years at 90\% Bayesian credibility level (with a prior uniform in rate). All but the ($nn\rightarrow inv$) results improve on existing limits by a factor of about 3.
KW - hep-ex
U2 - 10.1103/PhysRevD.105.112012
DO - 10.1103/PhysRevD.105.112012
M3 - Journal article
VL - 105
JO - Physical Review D
JF - Physical Review D
SN - 1550-7998
IS - 11
M1 - 112012
ER -