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Title: Limits on right-handed charged weak currents from a polarization-asymmetry correlation experiment with 107-In
Authors: Severijns, Natalis ×
Deutsch, J
Gimeno-Nogues, F
King, BH
Pepe, I
Prieels, R
Quin, PA
Camps, J
De Moor P
Schuurmans, Paul
Vanderpoorten, W
Vanneste, Ludo
Wouters, Jan
Allet, M
Navilliat-Cuncic, O
Holstein, BR #
Issue Date: Jun-1993
Publisher: American physical soc
Series Title: Physical Review Letters vol:70 issue:26 pages:4047-4050
Abstract: A new technique, based on relative measurements of the longitudinal polarization (P) of positrons emitted in two opposite directions with respect to the nuclear polarization (R=P-/P+), is used to provide constraints on extensions of the standard model (R0). The first result, i.e., R/R0=0.926+/-0.041, was obtained with 107In. Interpreted in the framework of left-right symmetric models and assuming no mixing, it provides a 90% C.L. lower limit of 225 GeV/c2 for the mass of a possible right-handed charged W gauge boson, reducing the mass range allowed by other semileptonic experiments.
ISSN: 0031-9007
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
Research Group Experimental Oto-rhino-laryngology
× corresponding author
# (joint) last author

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