Search for the rare decay D0 →γγ at Belle

Belle Collaboration

doi:10.1103/PhysRevD.93.051102

Search for the rare decay D0 →γγ at Belle

Belle Collaboration

Aligarh Muslim University
Tata Institute of Fundamental Research
The Graduate University for Advanced Studies
High Energy Accelerator Research Organization, Tsukuba
University of Tabuk
The University of Tokyo
Pacific Northwest National Laboratory
RAS - Budker Institute of Nuclear Physics
Novosibirsk State University
Alikhanov Institute for Theoretical and Experimental Physics
Moscow Institute of Physics and Technology
King Abdulaziz City for Science and Technology
Indian Institute of Technology Bhubaneswar
University of Melbourne
Indian Institute of Technology Madras
University of South Carolina
Jožef Stefan Institute
H. Niewodniczanski Institute of Nuclear Physics
University of Maribor
Austrian Academy of Sciences
University of Hawai'i at Mānoa
Charles University
Max Planck Institute for Physics (Werner Heisenberg Institute)
National Central University
Hanyang University
Korea Institute of Science and Technology Information
Sungkyunkwan University
Wayne State University
Technische Universität München
Moscow Engineering Physics Institute
Karlsruhe Institute of Technology

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

We search for the rare radiative decay D0→γγ using a data sample with an integrated luminosity of 832 fb-1 recorded by the Belle detector at the KEKB e+e- asymmetric-energy collider. We find no statistically significant signal and set an upper limit on the branching fraction of B(D0→γγ)<8.5×10-7 at 90% confidence level. This is the most restrictive limit on the decay channel to date.

Original language	English
Article number	051102
Journal	Physical Review D
Volume	93
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.93.051102
State	Published - 9 Mar 2016

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10.1103/PhysRevD.93.051102

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title = "Search for the rare decay D0 →γγ at Belle",

abstract = "We search for the rare radiative decay D0→γγ using a data sample with an integrated luminosity of 832 fb-1 recorded by the Belle detector at the KEKB e+e- asymmetric-energy collider. We find no statistically significant signal and set an upper limit on the branching fraction of B(D0→γγ)<8.5{\texttimes}10-7 at 90\% confidence level. This is the most restrictive limit on the decay channel to date.",

author = "\{Belle Collaboration\} and Nisar, \{N. K.\} and Mohanty, \{G. B.\} and K. Trabelsi and T. Aziz and A. Abdesselam and I. Adachi and H. Aihara and Asner, \{D. M.\} and V. Aulchenko and T. Aushev and R. Ayad and V. Babu and I. Badhrees and S. Bahinipati and E. Barberio and P. Behera and V. Bhardwaj and J. Biswal and A. Bobrov and A. Bozek and M. Bra{\v c}ko and F. Breibeck and Browder, \{T. E.\} and D. {\v C}ervenkov and V. Chekelian and A. Chen and Cheon, \{B. G.\} and R. Chistov and K. Cho and V. Chobanova and Y. Choi and D. Cinabro and J. Dalseno and N. Dash and Z. Dole{\v Z}al and Z. Dr{\'a}sal and A. Drutskoy and D. Dutta and S. Eidelman and H. Farhat and Fast, \{J. E.\} and Fulsom, \{B. G.\} and V. Gaur and A. Garmash and R. Gillard and Goh, \{Y. M.\} and P. Goldenzweig and Kang, \{K. H.\} and Kim, \{H. J.\} and Kim, \{M. J.\}",

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AU - Belle Collaboration

AU - Nisar, N. K.

AU - Mohanty, G. B.

AU - Trabelsi, K.

AU - Aziz, T.

AU - Abdesselam, A.

AU - Adachi, I.

AU - Aihara, H.

AU - Asner, D. M.

AU - Aulchenko, V.

AU - Aushev, T.

AU - Ayad, R.

AU - Babu, V.

AU - Badhrees, I.

AU - Bahinipati, S.

AU - Barberio, E.

AU - Behera, P.

AU - Bhardwaj, V.

AU - Biswal, J.

AU - Bobrov, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Breibeck, F.

AU - Browder, T. E.

AU - Červenkov, D.

AU - Chekelian, V.

AU - Chen, A.

AU - Cheon, B. G.

AU - Chistov, R.

AU - Cho, K.

AU - Chobanova, V.

AU - Choi, Y.

AU - Cinabro, D.

AU - Dalseno, J.

AU - Dash, N.

AU - DoleŽal, Z.

AU - Drásal, Z.

AU - Drutskoy, A.

AU - Dutta, D.

AU - Eidelman, S.

AU - Farhat, H.

AU - Fast, J. E.

AU - Fulsom, B. G.

AU - Gaur, V.

AU - Garmash, A.

AU - Gillard, R.

AU - Goh, Y. M.

AU - Goldenzweig, P.

AU - Kang, K. H.

AU - Kim, H. J.

AU - Kim, M. J.

PY - 2016/3/9

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AB - We search for the rare radiative decay D0→γγ using a data sample with an integrated luminosity of 832 fb-1 recorded by the Belle detector at the KEKB e+e- asymmetric-energy collider. We find no statistically significant signal and set an upper limit on the branching fraction of B(D0→γγ)<8.5×10-7 at 90% confidence level. This is the most restrictive limit on the decay channel to date.

UR - https://www.scopus.com/pages/publications/84961275760

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SN - 2470-0010

VL - 93

JO - Physical Review D

JF - Physical Review D

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ER -

Search for the rare decay D0 →γγ at Belle

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