Search for short baseline nu(e) disappearance with the T2K near detector
File(s)1410.8811.pdf (520.73 KB)
Accepted version
Author(s)
Type
Journal Article
Abstract
The T2K experiment has performed a search for
ν
e
disappearance due to sterile neutrinos using
5.9
×
1
0
20
protons on target for a baseline of 280 m in a neutrino beam peaked at about 500 MeV. A sample of
ν
e
CC interactions in the off-axis near detector has been selected with a purity of 63% and an efficiency of 26%. The p-value for the null hypothesis is 0.085 and the excluded region at 95% C.L. is approximately
sin
2
2
θ
ee
>
0.3
for
Δ
m
2
eff
>
7
eV
2
/
c
4
.
ν
e
disappearance due to sterile neutrinos using
5.9
×
1
0
20
protons on target for a baseline of 280 m in a neutrino beam peaked at about 500 MeV. A sample of
ν
e
CC interactions in the off-axis near detector has been selected with a purity of 63% and an efficiency of 26%. The p-value for the null hypothesis is 0.085 and the excluded region at 95% C.L. is approximately
sin
2
2
θ
ee
>
0.3
for
Δ
m
2
eff
>
7
eV
2
/
c
4
.
Date Issued
2015-03-16
Date Acceptance
2014-10-31
Citation
Physical Review D - Particles, Fields, Gravitation and Cosmology, 2015, 91 (5)
ISSN
1550-2368
Publisher
American Physical Society
Journal / Book Title
Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume
91
Issue
5
Copyright Statement
© 2015 American Physical Society
Sponsor
Science and Technology Facilities Council (STFC)
Grant Number
ST/K001604/1
Subjects
Science & Technology
Physical Sciences
Astronomy & Astrophysics
Physics, Particles & Fields
Physics
NEUTRINO FLUX
Publication Status
Published
Article Number
051102