Final published version
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Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Cosmogenic neutron production at the Sudbury Neutrino Observatory
AU - SNO Collaboration
AU - Aharmim, B.
AU - Anthony, A. E.
AU - Barros, N.
AU - Beier, E. W.
AU - Bellerive, A.
AU - Beltran, B.
AU - Bergevin, M.
AU - Biller, S. D.
AU - Bonventre, R.
AU - Boudjemline, K.
AU - Boulay, M. G.
AU - Cai, B.
AU - Callaghan, E. J.
AU - Caravaca, J.
AU - Chauhan, D.
AU - Cleveland, B. T.
AU - Curley, R.
AU - Dai, X.
AU - Descamps, F. B.
AU - Detwiler, J. A.
AU - Doe, P. J.
AU - Doucas, G.
AU - Drouin, P. L.
AU - Dunford, M.
AU - Evans, H. C.
AU - Ewan, G. T.
AU - Farine, J.
AU - Fergani, H.
AU - Fleurot, F.
AU - Ford, R. J.
AU - Formaggio, J. A.
AU - Gagnon, N.
AU - Gilje, K.
AU - Goon, J. T.M.
AU - Graham, K.
AU - Guillian, E.
AU - Habib, S.
AU - Hahn, R. L.
AU - Hallin, A. L.
AU - Hallman, E. D.
AU - Harvey, P. J.
AU - Hazama, R.
AU - Heintzelman, W. J.
AU - Heise, J.
AU - Helmer, R. L.
AU - Hime, A.
AU - Howard, C.
AU - Kormos, L. L.
AU - O'Keeffe, H. M.
AU - Peeters, S. J.M.
PY - 2019/12/12
Y1 - 2019/12/12
N2 - Neutrons produced in nuclear interactions initiated by cosmic-ray muons present an irreducible background to many rare-event searches, even in detectors located deep underground. Models for the production of these neutrons have been tested against previous experimental data, but the extrapolation to deeper sites is not well understood. Here we report results from an analysis of cosmogenically produced neutrons at the Sudbury Neutrino Observatory. A specific set of observables are presented, which can be used to benchmark the validity of geant4 physics models. In addition, the cosmogenic neutron yield, in units of 10-4 cm2/(g·μ), is measured to be 7.28±0.09(stat)-1.12+1.59(syst) in pure heavy water and 7.30±0.07(stat)-1.02+1.40(syst) in NaCl-loaded heavy water. These results provide unique insights into this potential background source for experiments at SNOLAB.
AB - Neutrons produced in nuclear interactions initiated by cosmic-ray muons present an irreducible background to many rare-event searches, even in detectors located deep underground. Models for the production of these neutrons have been tested against previous experimental data, but the extrapolation to deeper sites is not well understood. Here we report results from an analysis of cosmogenically produced neutrons at the Sudbury Neutrino Observatory. A specific set of observables are presented, which can be used to benchmark the validity of geant4 physics models. In addition, the cosmogenic neutron yield, in units of 10-4 cm2/(g·μ), is measured to be 7.28±0.09(stat)-1.12+1.59(syst) in pure heavy water and 7.30±0.07(stat)-1.02+1.40(syst) in NaCl-loaded heavy water. These results provide unique insights into this potential background source for experiments at SNOLAB.
U2 - 10.1103/PhysRevD.100.112005
DO - 10.1103/PhysRevD.100.112005
M3 - Journal article
AN - SCOPUS:85076507370
VL - 100
JO - Physical Review D
JF - Physical Review D
SN - 1550-7998
IS - 11
M1 - 112005
ER -