Search for heavy neutrinos in π → μν decay
In the present work of the PIENU experiment, heavy neutrinos were sought in pion decays π+→μ+ν at rest by examining the observed muon energy spectrum for extra peaks in addition to the expected peak for a light neutrino. No evidence for heavy neutrinos was observed. Upper limits were set on the neut...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2019-11-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269319307026 |
| _version_ | 1831678738379571200 |
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| author | A. Aguilar-Arevalo M. Aoki M. Blecher D.I. Britton D. vom Bruch D.A. Bryman S. Chen J. Comfort L. Doria S. Cuen-Rochin P. Gumplinger A. Hussein Y. Igarashi S. Ito S.H. Kettell L. Kurchaninov L.S. Littenberg C. Malbrunot R.E. Mischke T. Numao D. Protopopescu A. Sher T. Sullivan D. Vavilov |
| author_facet | A. Aguilar-Arevalo M. Aoki M. Blecher D.I. Britton D. vom Bruch D.A. Bryman S. Chen J. Comfort L. Doria S. Cuen-Rochin P. Gumplinger A. Hussein Y. Igarashi S. Ito S.H. Kettell L. Kurchaninov L.S. Littenberg C. Malbrunot R.E. Mischke T. Numao D. Protopopescu A. Sher T. Sullivan D. Vavilov |
| author_sort | A. Aguilar-Arevalo |
| collection | DOAJ |
| description | In the present work of the PIENU experiment, heavy neutrinos were sought in pion decays π+→μ+ν at rest by examining the observed muon energy spectrum for extra peaks in addition to the expected peak for a light neutrino. No evidence for heavy neutrinos was observed. Upper limits were set on the neutrino mixing matrix |Uμi|2 in the neutrino mass region of 15.7–33.8 MeV/c2, improving on previous results by an order of magnitude. Keywords: Pion decay, Heavy neutrino |
| first_indexed | 2024-12-20T05:05:06Z |
| format | Article |
| id | doaj.art-eac858eddc874d92be6357fb97847110 |
| institution | Directory Open Access Journal |
| issn | 0370-2693 |
| language | English |
| last_indexed | 2024-12-20T05:05:06Z |
| publishDate | 2019-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-eac858eddc874d92be6357fb978471102022-12-21T19:52:25ZengElsevierPhysics Letters B0370-26932019-11-01798Search for heavy neutrinos in π → μν decayA. Aguilar-Arevalo0M. Aoki1M. Blecher2D.I. Britton3D. vom Bruch4D.A. Bryman5S. Chen6J. Comfort7L. Doria8S. Cuen-Rochin9P. Gumplinger10A. Hussein11Y. Igarashi12S. Ito13S.H. Kettell14L. Kurchaninov15L.S. Littenberg16C. Malbrunot17R.E. Mischke18T. Numao19D. Protopopescu20A. Sher21T. Sullivan22D. Vavilov23Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de Mexico, D.F. 04510, MexicoGraduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, JapanPhysics Department, Virginia Tech., Blacksburg, VA 24061, USASchool of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, UKDepartment of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, V6T 1Z1, CanadaDepartment of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, V6T 1Z1, Canada; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, CanadaDepartment of Engineering Physics, Tsinghua University, Beijing, 100084, ChinaPhysics Department, Arizona State University, Tempe, AZ 85287, USATRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, CanadaDepartment of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, V6T 1Z1, Canada; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, CanadaTRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, CanadaUniversity of Northern British Columbia, Prince George, British Columbia, V2N 4Z9, Canada; TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, CanadaKEK, 1-1 Oho, Tsukuba-shi, Ibaraki 305-0801, JapanGraduate School of Science, Osaka University, Toyonaka, Osaka 560-0043, Japan; Corresponding authors.Brookhaven National Laboratory, Upton, NY 11973-5000, USATRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, CanadaBrookhaven National Laboratory, Upton, NY 11973-5000, USADepartment of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, V6T 1Z1, CanadaTRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, CanadaTRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, Canada; Corresponding authors.School of Physics and Astronomy, University of Glasgow, Glasgow, G12 8QQ, UKTRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, CanadaDepartment of Physics and Astronomy, University of British Columbia, Vancouver, British Columbia, V6T 1Z1, CanadaTRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia, V6T 2A3, CanadaIn the present work of the PIENU experiment, heavy neutrinos were sought in pion decays π+→μ+ν at rest by examining the observed muon energy spectrum for extra peaks in addition to the expected peak for a light neutrino. No evidence for heavy neutrinos was observed. Upper limits were set on the neutrino mixing matrix |Uμi|2 in the neutrino mass region of 15.7–33.8 MeV/c2, improving on previous results by an order of magnitude. Keywords: Pion decay, Heavy neutrinohttp://www.sciencedirect.com/science/article/pii/S0370269319307026 |
| spellingShingle | A. Aguilar-Arevalo M. Aoki M. Blecher D.I. Britton D. vom Bruch D.A. Bryman S. Chen J. Comfort L. Doria S. Cuen-Rochin P. Gumplinger A. Hussein Y. Igarashi S. Ito S.H. Kettell L. Kurchaninov L.S. Littenberg C. Malbrunot R.E. Mischke T. Numao D. Protopopescu A. Sher T. Sullivan D. Vavilov Search for heavy neutrinos in π → μν decay Physics Letters B |
| title | Search for heavy neutrinos in π → μν decay |
| title_full | Search for heavy neutrinos in π → μν decay |
| title_fullStr | Search for heavy neutrinos in π → μν decay |
| title_full_unstemmed | Search for heavy neutrinos in π → μν decay |
| title_short | Search for heavy neutrinos in π → μν decay |
| title_sort | search for heavy neutrinos in π μν decay |
| url | http://www.sciencedirect.com/science/article/pii/S0370269319307026 |
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