Title of article
Positron polarization in the decay of polarized 12N: a precision test of the Standard Model Original Research Article
Author/Authors
E. Thomas، نويسنده , , R. Prieels، نويسنده , , M. Allet، نويسنده , , K. Bodek، نويسنده , , J. Camps، نويسنده , , J. Deutsch، نويسنده , , F. Gimeno-Nogues، نويسنده , , J. Govaerts، نويسنده , , J. Lang، نويسنده , , O. Naviliat-Cuncic ، نويسنده , , I. Pepe، نويسنده , , P. Quin، نويسنده , , N. Severijns، نويسنده , , J. Sromicki، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2001
Pages
31
From page
559
To page
589
Abstract
The longitudinal polarization of positrons emitted along and opposite to the nuclear spin direction has been measured in the decay of polarized 12N. The results are consistent with the Standard Model prediction. In manifest left–right symmetric models this measurement provides a lower bound of 310 GeV/c2 at 90% CL on the mass of a possible right-handed gauge boson contributing to the electroweak interaction. In generalized versions of this model our measurement provides constraints complementary to those set by high-energy experiments.
Keywords
Standard model , Longitudinal polarization , WR constraints , Positronium time-resolved spectroscopy , polarized 12N
Journal title
Nuclear physics A
Serial Year
2001
Journal title
Nuclear physics A
Record number
1195619
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