New physics searches at near detectors of neutrino oscillation experiments

被引：14

作者：

Antusch, Stefan ^{[1
]}

Blennow, Mattias ^{[1
]}

Fernandez-Martinez, Enrique ^{[1
]}

Ota, Toshihiko ^{[1
]}

机构：

[1] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 Munich, Germany

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2010年 / 06期

关键词：

Beyond Standard Model; Neutrino Physics; Rare Decays; CHIRAL PERTURBATION-THEORY; LEPTON-NUMBER VIOLATION; LIMITS; DECAYS; MASS; MECHANISM; GOLDEN; MODEL; RULE;

D O I：

10.1007/JHEP06(2010)068

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We systematically investigate the prospects of testing new physics with tau sensitive near detectors at neutrino oscillation facilities. For neutrino beams from pion decay, from the decay of radioactive ions, as well as from the decays of muons in a storage ring at a neutrino factory, we discuss which effective operators can lead to new physics effects. Furthermore, we discuss the present bounds on such operators set by other experimental data currently available. For operators with two leptons and two quarks we present the first complete analysis including all relevant operators simultaneously and performing a Markov Chain Monte Carlo fit to the data. We find that these effects can induce tau neutrino appearance probabilities as large as O(10(-4)), which are within reach of forthcoming experiments. We highlight to which kind of new physics a tau sensitive near detector would be most sensitive.

引用

页数：18

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