Search for free decay of negative pions in water and light materials

T. Numao; Yu I. Davydov; J. M. Poutissou; T. C. Awes; V. Cianciolo; S. Berridge; W. Bugg; Yu Efremenko; R. Gearhart; S. Ovchinnikov

doi:10.1103/PhysRevD.73.092004

Search for free decay of negative pions in water and light materials

T. Numao
, Yu I. Davydov
, J. M. Poutissou
, T. C. Awes
, V. Cianciolo
, S. Berridge
, W. Bugg
, Yu Efremenko
, R. Gearhart
, S. Ovchinnikov

Neutron Symmetries

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

We report on a search for the free-decay component of π- stopped in water and light materials. A nonzero value of this would be an indication of anomalous ν̄e contamination to the νe and ν̄μ production at stopped-pion neutrino facilities. No free-decay component of π- was observed in water, Beryllium, and Aluminum, for which upper limits were established at 8.2×10-4, 3.2×10-3, and 7.7×10-3, respectively.

Original language	English
Article number	092004
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	73
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.73.092004
State	Published - 2006

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10.1103/PhysRevD.73.092004

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title = "Search for free decay of negative pions in water and light materials",

abstract = "We report on a search for the free-decay component of π- stopped in water and light materials. A nonzero value of this would be an indication of anomalous {\=ν}e contamination to the νe and {\=ν}μ production at stopped-pion neutrino facilities. No free-decay component of π- was observed in water, Beryllium, and Aluminum, for which upper limits were established at 8.2×10-4, 3.2×10-3, and 7.7×10-3, respectively.",

author = "T. Numao and Davydov, \{Yu I.\} and Poutissou, \{J. M.\} and Awes, \{T. C.\} and V. Cianciolo and S. Berridge and W. Bugg and Yu Efremenko and R. Gearhart and S. Ovchinnikov",

year = "2006",

doi = "10.1103/PhysRevD.73.092004",

language = "English",

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T1 - Search for free decay of negative pions in water and light materials

AU - Numao, T.

AU - Davydov, Yu I.

AU - Poutissou, J. M.

AU - Awes, T. C.

AU - Cianciolo, V.

AU - Berridge, S.

AU - Bugg, W.

AU - Efremenko, Yu

AU - Gearhart, R.

AU - Ovchinnikov, S.

PY - 2006

Y1 - 2006

N2 - We report on a search for the free-decay component of π- stopped in water and light materials. A nonzero value of this would be an indication of anomalous ν̄e contamination to the νe and ν̄μ production at stopped-pion neutrino facilities. No free-decay component of π- was observed in water, Beryllium, and Aluminum, for which upper limits were established at 8.2×10-4, 3.2×10-3, and 7.7×10-3, respectively.

AB - We report on a search for the free-decay component of π- stopped in water and light materials. A nonzero value of this would be an indication of anomalous ν̄e contamination to the νe and ν̄μ production at stopped-pion neutrino facilities. No free-decay component of π- was observed in water, Beryllium, and Aluminum, for which upper limits were established at 8.2×10-4, 3.2×10-3, and 7.7×10-3, respectively.

UR - https://www.scopus.com/pages/publications/33744487869

U2 - 10.1103/PhysRevD.73.092004

DO - 10.1103/PhysRevD.73.092004

M3 - Article

AN - SCOPUS:33744487869

SN - 1550-7998

VL - 73

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 9

M1 - 092004

ER -

Search for free decay of negative pions in water and light materials

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