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Probing HZγ and Hγγ anomalous couplings in the process e+e−→ Hγ*

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, , Citation Qing-Hong Cao et al 2015 Chinese Phys. C 39 113102 DOI 10.1088/1674-1137/39/11/113102

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Author e-mails

qinghongcao@pku.edu.cn

haoranw@pku.edu.cn

zhangya1221@pku.edu.cn

Author affiliations

1 Department of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing 100871, China

2 Collaborative Innovation Center of Quantum Matter, Beijing 100871, China

3 Center for High Energy Physics, Peking University, Beijing 100871, China

Dates

  1. Received 5 May 2015
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1674-1137/39/11/113102

Abstract

We propose to measure the HZγ and Hγγ anomalous couplings in the process e+e− → Hγ with the sequential decay of H → bbar b. The discovery potential of observing the anomalous couplings are explored in detail. Our study shows that future electron-positron colliders have great potential to test the HZγ and Hγγ couplings. Conservative bounds on the two anomalous couplings are also derived when no new physics signal is detected on top of the SM backgrounds.

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Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Article funded by SCOAP and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd

Footnotes

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    Supported by National Science Foundation of China (11275009)

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10.1088/1674-1137/39/11/113102