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LHCb Observation of photon polarization in the $b\rightarrow s\gamma$ transition
The Standard Model (SM) predicts that the photon emitted in $b\rightarrow s\gamma$ transitions is predominantly left-handed. While the measured inclusive $b\rightarrow s\gamma$ rate agrees with the SM calculations, no direct evidence exists for a nonzero photon polarization $\lambda_\gamma$ in this...
Autores principales: | , |
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Lenguaje: | eng |
Publicado: |
2014
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Acceso en línea: | http://cds.cern.ch/record/1971201 |
_version_ | 1780944846083588096 |
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author | Veneziano, Giovanni Blake, Thomas |
author_facet | Veneziano, Giovanni Blake, Thomas |
author_sort | Veneziano, Giovanni |
collection | CERN |
description | The Standard Model (SM) predicts that the photon emitted in $b\rightarrow s\gamma$ transitions is predominantly left-handed. While the measured inclusive $b\rightarrow s\gamma$ rate agrees with the SM calculations, no direct evidence exists for a nonzero photon polarization $\lambda_\gamma$ in this type of decays. Several extensions of the SM, compatible with all current measurements, predict that the photon acquires a significant right-handed component. |
id | cern-1971201 |
institution | Organización Europea para la Investigación Nuclear |
language | eng |
publishDate | 2014 |
record_format | invenio |
spelling | cern-19712012019-09-30T06:29:59Zhttp://cds.cern.ch/record/1971201engVeneziano, GiovanniBlake, ThomasLHCb Observation of photon polarization in the $b\rightarrow s\gamma$ transitionThe Standard Model (SM) predicts that the photon emitted in $b\rightarrow s\gamma$ transitions is predominantly left-handed. While the measured inclusive $b\rightarrow s\gamma$ rate agrees with the SM calculations, no direct evidence exists for a nonzero photon polarization $\lambda_\gamma$ in this type of decays. Several extensions of the SM, compatible with all current measurements, predict that the photon acquires a significant right-handed component.Poster-2014-457oai:cds.cern.ch:19712012014-06-02 |
spellingShingle | Veneziano, Giovanni Blake, Thomas LHCb Observation of photon polarization in the $b\rightarrow s\gamma$ transition |
title | LHCb Observation of photon polarization in the $b\rightarrow s\gamma$ transition |
title_full | LHCb Observation of photon polarization in the $b\rightarrow s\gamma$ transition |
title_fullStr | LHCb Observation of photon polarization in the $b\rightarrow s\gamma$ transition |
title_full_unstemmed | LHCb Observation of photon polarization in the $b\rightarrow s\gamma$ transition |
title_short | LHCb Observation of photon polarization in the $b\rightarrow s\gamma$ transition |
title_sort | lhcb observation of photon polarization in the $b\rightarrow s\gamma$ transition |
url | http://cds.cern.ch/record/1971201 |
work_keys_str_mv | AT venezianogiovanni lhcbobservationofphotonpolarizationinthebrightarrowsgammatransition AT blakethomas lhcbobservationofphotonpolarizationinthebrightarrowsgammatransition |