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Search for ν μ → ν e oscillations with the OPERA experiment in the CNGS beam
Ist Teil von
The journal of high energy physics, 2013-07, Vol.2013 (7), Article 4
Erscheinungsjahr
2013
Quelle
Springer Journals
Beschreibungen/Notizen
A
bstract
A first result of the search for
ν
μ
→
ν
e
oscillations in the OPERA experiment, located at the Gran Sasso Underground Laboratory, is presented. The experiment looked for the appearance of
ν
e
in the CNGS neutrino beam using the data collected in 2008 and 2009. Data are compatible with the non-oscillation hypothesis in the three-flavour mixing model. A further analysis of the same data constrains the non-standard oscillation parameters
θ
new
and
$ \varDelta m_{\mathrm{new}}^2 $
suggested by the LSND and MiniBooNE experiments. For large
$ \varDelta m_{\mathrm{new}}^2 $
values (
>
0.1 eV
2
), the OPERA 90% C.L. upper limit on sin
2
(2
θ
new
) based on a Bayesian statistical method reaches the value 7
.
2 × 10
−3
.