Production of radioactive isotopes through cosmic muon spallation in KamLAND

S. Abe, S. Enomoto, K. Furuno, Y. Gando, H. Ikeda, K. Inoue, Y. Kibe, Y. Kishimoto, M. Koga, Y. Minekawa, T. Mitsui, K. Nakajima, K. Nakajima, K. Nakamura, M. Nakamura, I. Shimizu, Y. Shimizu, J. Shirai, F. Suekane, A. SuzukiY. Takemoto, K. Tamae, A. Terashima, H. Watanabe, E. Yonezawa, S. Yoshida, A. Kozlov, H. Murayama, J. Busenitz, T. Classen, C. Grant, G. Keefer, D. S. Leonard, D. McKee, A. Piepke, T. I. Banks, T. Bloxham, J. A. Detwiler, S. J. Freedman, B. K. Fujikawa, F. Gray, E. Guardincerri, L. Hsu, K. Ichimura, R. Kadel, C. Lendvai, K. B. Luk, T. O'Donnell, H. M. Steiner, L. A. Winslow, D. A. Dwyer, C. Jillings, C. Mauger, R. D. McKeown, P. Vogel, C. Zhang, B. E. Berger, C. E. Lane, J. Maricic, T. Miletic, M. Batygov, J. G. Learned, S. Matsuno, S. Pakvasa, J. Foster, G. A. Horton-Smith, A. Tang, S. Dazeley, K. E. Downum, G. Gratta, K. Tolich, W. Bugg, Y. Efremenko, Y. Kamyshkov, O. Perevozchikov, H. J. Karwowski, D. M. Markoff, W. Tornow, K. M. Heeger, F. Piquemal, J. S. Ricol, M. P. Decowski

Research output: Contribution to journalArticle

111 Citations (Scopus)

Abstract

Radioactive isotopes produced through cosmic muon spallation are a background for rare-event detection in ν detectors, double-β-decay experiments, and dark-matter searches. Understanding the nature of cosmogenic backgrounds is particularly important for future experiments aiming to determine the pep and CNO solar neutrino fluxes, for which the background is dominated by the spallation production of C11. Data from the Kamioka liquid-scintillator antineutrino detector (KamLAND) provides valuable information for better understanding these backgrounds, especially in liquid scintillators, and for checking estimates from current simulations based upon MUSIC, FLUKA, and GEANT4. Using the time correlation between detected muons and neutron captures, the neutron production yield in the KamLAND liquid scintillator is measured to be Yn=(2.8±0.3)×10--1g-1cm2. For other isotopes, the production yield is determined from the observed time correlation related to known isotope lifetimes. We find some yields are inconsistent with extrapolations based on an accelerator muon beam experiment.

Original languageEnglish (US)
Article number025807
JournalPhysical Review C - Nuclear Physics
Volume81
Issue number2
DOIs
StatePublished - Feb 23 2010
Externally publishedYes

Fingerprint

antineutrinos
spallation
radioactive isotopes
scintillation counters
muons
detectors
liquids
isotopes
neutrons
solar neutrinos
extrapolation
dark matter
accelerators
life (durability)
decay
estimates
simulation

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Abe, S., Enomoto, S., Furuno, K., Gando, Y., Ikeda, H., Inoue, K., ... Decowski, M. P. (2010). Production of radioactive isotopes through cosmic muon spallation in KamLAND. Physical Review C - Nuclear Physics, 81(2), [025807]. https://doi.org/10.1103/PhysRevC.81.025807

Production of radioactive isotopes through cosmic muon spallation in KamLAND. / Abe, S.; Enomoto, S.; Furuno, K.; Gando, Y.; Ikeda, H.; Inoue, K.; Kibe, Y.; Kishimoto, Y.; Koga, M.; Minekawa, Y.; Mitsui, T.; Nakajima, K.; Nakajima, K.; Nakamura, K.; Nakamura, M.; Shimizu, I.; Shimizu, Y.; Shirai, J.; Suekane, F.; Suzuki, A.; Takemoto, Y.; Tamae, K.; Terashima, A.; Watanabe, H.; Yonezawa, E.; Yoshida, S.; Kozlov, A.; Murayama, H.; Busenitz, J.; Classen, T.; Grant, C.; Keefer, G.; Leonard, D. S.; McKee, D.; Piepke, A.; Banks, T. I.; Bloxham, T.; Detwiler, J. A.; Freedman, S. J.; Fujikawa, B. K.; Gray, F.; Guardincerri, E.; Hsu, L.; Ichimura, K.; Kadel, R.; Lendvai, C.; Luk, K. B.; O'Donnell, T.; Steiner, H. M.; Winslow, L. A.; Dwyer, D. A.; Jillings, C.; Mauger, C.; McKeown, R. D.; Vogel, P.; Zhang, C.; Berger, B. E.; Lane, C. E.; Maricic, J.; Miletic, T.; Batygov, M.; Learned, J. G.; Matsuno, S.; Pakvasa, S.; Foster, J.; Horton-Smith, G. A.; Tang, A.; Dazeley, S.; Downum, K. E.; Gratta, G.; Tolich, K.; Bugg, W.; Efremenko, Y.; Kamyshkov, Y.; Perevozchikov, O.; Karwowski, H. J.; Markoff, D. M.; Tornow, W.; Heeger, K. M.; Piquemal, F.; Ricol, J. S.; Decowski, M. P.

In: Physical Review C - Nuclear Physics, Vol. 81, No. 2, 025807, 23.02.2010.

Research output: Contribution to journalArticle

Abe, S, Enomoto, S, Furuno, K, Gando, Y, Ikeda, H, Inoue, K, Kibe, Y, Kishimoto, Y, Koga, M, Minekawa, Y, Mitsui, T, Nakajima, K, Nakajima, K, Nakamura, K, Nakamura, M, Shimizu, I, Shimizu, Y, Shirai, J, Suekane, F, Suzuki, A, Takemoto, Y, Tamae, K, Terashima, A, Watanabe, H, Yonezawa, E, Yoshida, S, Kozlov, A, Murayama, H, Busenitz, J, Classen, T, Grant, C, Keefer, G, Leonard, DS, McKee, D, Piepke, A, Banks, TI, Bloxham, T, Detwiler, JA, Freedman, SJ, Fujikawa, BK, Gray, F, Guardincerri, E, Hsu, L, Ichimura, K, Kadel, R, Lendvai, C, Luk, KB, O'Donnell, T, Steiner, HM, Winslow, LA, Dwyer, DA, Jillings, C, Mauger, C, McKeown, RD, Vogel, P, Zhang, C, Berger, BE, Lane, CE, Maricic, J, Miletic, T, Batygov, M, Learned, JG, Matsuno, S, Pakvasa, S, Foster, J, Horton-Smith, GA, Tang, A, Dazeley, S, Downum, KE, Gratta, G, Tolich, K, Bugg, W, Efremenko, Y, Kamyshkov, Y, Perevozchikov, O, Karwowski, HJ, Markoff, DM, Tornow, W, Heeger, KM, Piquemal, F, Ricol, JS & Decowski, MP 2010, 'Production of radioactive isotopes through cosmic muon spallation in KamLAND', Physical Review C - Nuclear Physics, vol. 81, no. 2, 025807. https://doi.org/10.1103/PhysRevC.81.025807
Abe, S. ; Enomoto, S. ; Furuno, K. ; Gando, Y. ; Ikeda, H. ; Inoue, K. ; Kibe, Y. ; Kishimoto, Y. ; Koga, M. ; Minekawa, Y. ; Mitsui, T. ; Nakajima, K. ; Nakajima, K. ; Nakamura, K. ; Nakamura, M. ; Shimizu, I. ; Shimizu, Y. ; Shirai, J. ; Suekane, F. ; Suzuki, A. ; Takemoto, Y. ; Tamae, K. ; Terashima, A. ; Watanabe, H. ; Yonezawa, E. ; Yoshida, S. ; Kozlov, A. ; Murayama, H. ; Busenitz, J. ; Classen, T. ; Grant, C. ; Keefer, G. ; Leonard, D. S. ; McKee, D. ; Piepke, A. ; Banks, T. I. ; Bloxham, T. ; Detwiler, J. A. ; Freedman, S. J. ; Fujikawa, B. K. ; Gray, F. ; Guardincerri, E. ; Hsu, L. ; Ichimura, K. ; Kadel, R. ; Lendvai, C. ; Luk, K. B. ; O'Donnell, T. ; Steiner, H. M. ; Winslow, L. A. ; Dwyer, D. A. ; Jillings, C. ; Mauger, C. ; McKeown, R. D. ; Vogel, P. ; Zhang, C. ; Berger, B. E. ; Lane, C. E. ; Maricic, J. ; Miletic, T. ; Batygov, M. ; Learned, J. G. ; Matsuno, S. ; Pakvasa, S. ; Foster, J. ; Horton-Smith, G. A. ; Tang, A. ; Dazeley, S. ; Downum, K. E. ; Gratta, G. ; Tolich, K. ; Bugg, W. ; Efremenko, Y. ; Kamyshkov, Y. ; Perevozchikov, O. ; Karwowski, H. J. ; Markoff, D. M. ; Tornow, W. ; Heeger, K. M. ; Piquemal, F. ; Ricol, J. S. ; Decowski, M. P. / Production of radioactive isotopes through cosmic muon spallation in KamLAND. In: Physical Review C - Nuclear Physics. 2010 ; Vol. 81, No. 2.
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abstract = "Radioactive isotopes produced through cosmic muon spallation are a background for rare-event detection in ν detectors, double-β-decay experiments, and dark-matter searches. Understanding the nature of cosmogenic backgrounds is particularly important for future experiments aiming to determine the pep and CNO solar neutrino fluxes, for which the background is dominated by the spallation production of C11. Data from the Kamioka liquid-scintillator antineutrino detector (KamLAND) provides valuable information for better understanding these backgrounds, especially in liquid scintillators, and for checking estimates from current simulations based upon MUSIC, FLUKA, and GEANT4. Using the time correlation between detected muons and neutron captures, the neutron production yield in the KamLAND liquid scintillator is measured to be Yn=(2.8±0.3)×10-4μ-1g-1cm2. For other isotopes, the production yield is determined from the observed time correlation related to known isotope lifetimes. We find some yields are inconsistent with extrapolations based on an accelerator muon beam experiment.",
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T1 - Production of radioactive isotopes through cosmic muon spallation in KamLAND

AU - Abe, S.

AU - Enomoto, S.

AU - Furuno, K.

AU - Gando, Y.

AU - Ikeda, H.

AU - Inoue, K.

AU - Kibe, Y.

AU - Kishimoto, Y.

AU - Koga, M.

AU - Minekawa, Y.

AU - Mitsui, T.

AU - Nakajima, K.

AU - Nakajima, K.

AU - Nakamura, K.

AU - Nakamura, M.

AU - Shimizu, I.

AU - Shimizu, Y.

AU - Shirai, J.

AU - Suekane, F.

AU - Suzuki, A.

AU - Takemoto, Y.

AU - Tamae, K.

AU - Terashima, A.

AU - Watanabe, H.

AU - Yonezawa, E.

AU - Yoshida, S.

AU - Kozlov, A.

AU - Murayama, H.

AU - Busenitz, J.

AU - Classen, T.

AU - Grant, C.

AU - Keefer, G.

AU - Leonard, D. S.

AU - McKee, D.

AU - Piepke, A.

AU - Banks, T. I.

AU - Bloxham, T.

AU - Detwiler, J. A.

AU - Freedman, S. J.

AU - Fujikawa, B. K.

AU - Gray, F.

AU - Guardincerri, E.

AU - Hsu, L.

AU - Ichimura, K.

AU - Kadel, R.

AU - Lendvai, C.

AU - Luk, K. B.

AU - O'Donnell, T.

AU - Steiner, H. M.

AU - Winslow, L. A.

AU - Dwyer, D. A.

AU - Jillings, C.

AU - Mauger, C.

AU - McKeown, R. D.

AU - Vogel, P.

AU - Zhang, C.

AU - Berger, B. E.

AU - Lane, C. E.

AU - Maricic, J.

AU - Miletic, T.

AU - Batygov, M.

AU - Learned, J. G.

AU - Matsuno, S.

AU - Pakvasa, S.

AU - Foster, J.

AU - Horton-Smith, G. A.

AU - Tang, A.

AU - Dazeley, S.

AU - Downum, K. E.

AU - Gratta, G.

AU - Tolich, K.

AU - Bugg, W.

AU - Efremenko, Y.

AU - Kamyshkov, Y.

AU - Perevozchikov, O.

AU - Karwowski, H. J.

AU - Markoff, D. M.

AU - Tornow, W.

AU - Heeger, K. M.

AU - Piquemal, F.

AU - Ricol, J. S.

AU - Decowski, M. P.

PY - 2010/2/23

Y1 - 2010/2/23

N2 - Radioactive isotopes produced through cosmic muon spallation are a background for rare-event detection in ν detectors, double-β-decay experiments, and dark-matter searches. Understanding the nature of cosmogenic backgrounds is particularly important for future experiments aiming to determine the pep and CNO solar neutrino fluxes, for which the background is dominated by the spallation production of C11. Data from the Kamioka liquid-scintillator antineutrino detector (KamLAND) provides valuable information for better understanding these backgrounds, especially in liquid scintillators, and for checking estimates from current simulations based upon MUSIC, FLUKA, and GEANT4. Using the time correlation between detected muons and neutron captures, the neutron production yield in the KamLAND liquid scintillator is measured to be Yn=(2.8±0.3)×10-4μ-1g-1cm2. For other isotopes, the production yield is determined from the observed time correlation related to known isotope lifetimes. We find some yields are inconsistent with extrapolations based on an accelerator muon beam experiment.

AB - Radioactive isotopes produced through cosmic muon spallation are a background for rare-event detection in ν detectors, double-β-decay experiments, and dark-matter searches. Understanding the nature of cosmogenic backgrounds is particularly important for future experiments aiming to determine the pep and CNO solar neutrino fluxes, for which the background is dominated by the spallation production of C11. Data from the Kamioka liquid-scintillator antineutrino detector (KamLAND) provides valuable information for better understanding these backgrounds, especially in liquid scintillators, and for checking estimates from current simulations based upon MUSIC, FLUKA, and GEANT4. Using the time correlation between detected muons and neutron captures, the neutron production yield in the KamLAND liquid scintillator is measured to be Yn=(2.8±0.3)×10-4μ-1g-1cm2. For other isotopes, the production yield is determined from the observed time correlation related to known isotope lifetimes. We find some yields are inconsistent with extrapolations based on an accelerator muon beam experiment.

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