Tests of Lorentz violation in (ν)over-barμ → (ν)over-bare oscillations -: art. no. 076004

被引：103

作者：

Auerbach, LB ^{[1
]}

Burman, RL

Caldwell, DO

Church, ED

Cochran, AK

Donahue, JB

Fazely, AR

Garvey, GT

Gunasingha, R

Imlay, RL

Katori, T

Louis, WC

McIlhany, KL

Metcalf, WJ

Mills, GB

Sandberg, VD

Smith, D

Stancu, I

Strossman, WH

Tayloe, R

Sung, M

Vernon, W

White, DH

Yellin, S

机构：

[1] Temple Univ, Philadelphia, PA 19122 USA

[2] Univ Alabama, Tuscaloosa, AL 35487 USA

[3] Univ Calif Riverside, Riverside, CA 92521 USA

[4] Univ Calif San Diego, La Jolla, CA 92093 USA

[5] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA

[6] Embry Riddle Univ, Prescott, AZ 86301 USA

[7] Indiana Univ, Bloomington, IN 47405 USA

[8] Los Alamos Natl Lab, Los Alamos, NM 87545 USA

[9] Louisiana State Univ, Baton Rouge, LA 70803 USA

[10] So Univ, Baton Rouge, LA 70813 USA

来源：

PHYSICAL REVIEW D | 2005年 / 72卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.72.076004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

A recently developed standard-model extension (SME) formalism for neutrino oscillations that includes Lorentz and CPT violation is used to analyze the sidereal time variation of the neutrino event excess measured by the liquid scintillator neutrino detector (LSND) experiment. The LSND experiment, performed at Los Alamos National Laboratory, observed an excess, consistent with neutrino oscillations, of (nu) over bar (e) in a beam of (nu) over bar (mu). It is determined that the LSND oscillation signal is consistent with no sidereal variation. However, there are several combinations of SME coefficients that describe the LSND data; both with and without sidereal variations. The scale of Lorentz and CPT violation extracted from the LSND data is of order 10(-19) GeV for the SME coefficients a(L) and Exc(L). This solution for Lorentz and CPT violating neutrino oscillations may be tested by other short baseline neutrino oscillation experiments, such as the MiniBooNE experiment.

引用

页数：11

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