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          Institute: MPI für Physik     Collection: MPI für Physik     Display Documents



ID: 544633.0, MPI für Physik / MPI für Physik
Improved limit on electron neutrino charge radius through a new evaluation of the weak mixing angle
Authors:Barranco, J.; Miranda, O. G.; Rashba, T. I.
Date of Publication (YYYY-MM-DD):2008
Title of Journal:Physics Letters B
Journal Abbrev.:Phys.Lett.B
Issue / Number:662
Start Page:431
End Page:435
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:We have obtained a new limit on the electron neutrino effective charge radius from a new evaluation of the weak mixing angle by a combined fit of all electron-(anti)neutrino electron elastic scattering measurements. Weak mixing angle is found to be sin^2 theta_W=0.259 \pm 0.025 in the low energy regime below 100 MeV. The electron neutrino charge radius squared is bounded to be in the range -0.13 10^-32 cm^2 < r^2 < 3.32 10^-32 cm^2 at 90 % C.L. Both results improve previously published analyses. We also discuss perspectives of future experiments to improve these constraints.
Classification / Thesaurus:Phenomenology of High Energy Physics
Comment of the Author/Creator:10 pages, 2 figures
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2007-99
URL:http://www.slac.stanford.edu/spires/find/hep/www?r...
URL:http://arXiv.org/abs/arxiv:0707.4319
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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