Abstract
The PIENU experiment aims to measure the branching ratio of the charged pion decay with precision of < 0.1 %. This measurement is much sensitive to search for massive neutrinos coupled to electrons in π+→ e+νe decay. The initial analysis was completed and the upper limit on the neutrino mixing parameter |Uei|2 in the neutrino mass range of 0 to 55 MeV/c2 was improved by a factor of 1.5, and the sensitivity for the mass range of 68 to 129 MeV/c2 was improve by a factor of up to 4.
| Original language | English |
|---|---|
| Article number | 1 |
| Journal | Hyperfine Interactions |
| Volume | 238 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - Nov 1 2017 |
| Externally published | Yes |
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Keywords
- Neutrino mixing
- Pion decay
- Precision measurement
- Weak interaction
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Nuclear and High Energy Physics
- Condensed Matter Physics
- Physical and Theoretical Chemistry
Cite this
Search for massive neutrinos in π+→e+νe decay. / Ito, S.; Aguilar-Arevalo, A.; Aoki, M.; Blecher, M.; Britton, D. I.; Bryman, D. A.; vom Bruch, D.; Chen, S.; Comfort, J.; Cuen-Rochin, S.; Doria, L.; Gumplinger, P.; Hussein, A.; Igarashi, Y.; Kettell, S.; Kurchaninov, L.; Littenberg, L.; Malbrunot, C.; Mischke, R. E.; Numao, T.; Protopopescu, D.; Sher, A.; Sullivan, T.; Vavilov, D.
In: Hyperfine Interactions, Vol. 238, No. 1, 1, 01.11.2017.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Search for massive neutrinos in π+→e+νe decay
AU - Ito, S.
AU - Aguilar-Arevalo, A.
AU - Aoki, M.
AU - Blecher, M.
AU - Britton, D. I.
AU - Bryman, D. A.
AU - vom Bruch, D.
AU - Chen, S.
AU - Comfort, J.
AU - Cuen-Rochin, S.
AU - Doria, L.
AU - Gumplinger, P.
AU - Hussein, A.
AU - Igarashi, Y.
AU - Kettell, S.
AU - Kurchaninov, L.
AU - Littenberg, L.
AU - Malbrunot, C.
AU - Mischke, R. E.
AU - Numao, T.
AU - Protopopescu, D.
AU - Sher, A.
AU - Sullivan, T.
AU - Vavilov, D.
PY - 2017/11/1
Y1 - 2017/11/1
N2 - The PIENU experiment aims to measure the branching ratio of the charged pion decay with precision of < 0.1 %. This measurement is much sensitive to search for massive neutrinos coupled to electrons in π+→ e+νe decay. The initial analysis was completed and the upper limit on the neutrino mixing parameter |Uei|2 in the neutrino mass range of 0 to 55 MeV/c2 was improved by a factor of 1.5, and the sensitivity for the mass range of 68 to 129 MeV/c2 was improve by a factor of up to 4.
AB - The PIENU experiment aims to measure the branching ratio of the charged pion decay with precision of < 0.1 %. This measurement is much sensitive to search for massive neutrinos coupled to electrons in π+→ e+νe decay. The initial analysis was completed and the upper limit on the neutrino mixing parameter |Uei|2 in the neutrino mass range of 0 to 55 MeV/c2 was improved by a factor of 1.5, and the sensitivity for the mass range of 68 to 129 MeV/c2 was improve by a factor of up to 4.
KW - Neutrino mixing
KW - Pion decay
KW - Precision measurement
KW - Weak interaction
UR - http://www.scopus.com/inward/record.url?scp=84998772613&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84998772613&partnerID=8YFLogxK
U2 - 10.1007/s10751-016-1375-5
DO - 10.1007/s10751-016-1375-5
M3 - Article
AN - SCOPUS:84998772613
VL - 238
JO - Hyperfine Interaction
JF - Hyperfine Interaction
SN - 0304-3843
IS - 1
M1 - 1
ER -