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Charm studies at Belle experiment

  • Department of Modern Physics,University of Science and Technology of China, Hefei 230026, China

Funds:  Supported by National Natural Science Foundation of China (11475164).
Cite this:
https://doi.org/10.3969/j.issn.0253-2778.2016.05.001
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  • Author Bio:

    LI Longke, male, born in 1987, PhD candidate. Research field: particle physics. E-mail: lilongke@mail.ustc.edu.cn

  • Received Date: 14 September 2015
  • Accepted Date: 20 April 2016
  • Rev Recd Date: 20 April 2016
  • Publish Date: 31 May 2016
    Abstract

  • Abstract

    In this proceeding, a summary is given of the newly published or preliminary experimental results on charm studies at Belle experiment at KEKB. It mainly includes three parts: ① D0-D0 mixing and CP violation. Some decay channels give the new measurement results with better precision; ② search for D0 rare decay with most restrictive upper limit; ③ some new results for charmed baryon studies, such as doubly charmed baryons, charmed strange baryons and so on.

    Abstract

    In this proceeding, a summary is given of the newly published or preliminary experimental results on charm studies at Belle experiment at KEKB. It mainly includes three parts: ① D0-D0 mixing and CP violation. Some decay channels give the new measurement results with better precision; ② search for D0 rare decay with most restrictive upper limit; ③ some new results for charmed baryon studies, such as doubly charmed baryons, charmed strange baryons and so on.
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    • References(15)
  • [1]
    ABASHIAN A, GOTOWA K, MORGANA N, et al (Belle Collaboration). The Belle detector[J]. Nucl Instrum Methods Phys Res, Sect A, 2002, 479: 117-232.
    [2]
    BRODZICKA J, BROWDER T, CHANG P, et al. Physics achievements from the Belle experiment[J]. Prog Theor Exp Phys, 2012: 04D001.
    [3]
    AAIJ R, BETETA C A, ADAMETZ A, et al. (LHCb Collaboration). Observation of D0-D0 oscillations[J]. Phys Rev Lett, 2013, 110: 101802.
    [4]
    AAIJ R, ADEVA B, ADINOLFI M. Measurement of D0-D0 mixing parameters and search for CP violation using D0→K+π- decays[J]. Phys Rev Lett, 2013, 111: 251801.
    [5]
    AALTONEN T, AMERIO S, AMIDEI D, et al. (CDF Collaboration). Observation of D0-D0 mixing using the CDF Ⅱ Detector[J]. Phys Rev Lett, 2013, 111:231802.
    [6]
    KO B R, WON E, ADACHI I, et al (Belle Collaboration). Observation of D0-D0 mixing in e+e- collisions[J]. Phys Rev Lett, 2014, 112: 111801.
    [7]
    Heavy Flavor Averaging Group (HFAG). Charm physics parameters[EB/OL].[2015-08-01] http://www.slac.stanford.edu/xorg/hfag/charm.
    [8]
    PENG T, ZHANG Z P, ABDESSELAM A, et al (Belle Collaboration). Measurement of D0-D0 mixing and search for indirect CP violation using D0→K0Sπ+π- decays[J]. Phys Rev D, 2014, 89: 091103(R).
    [9]
    STARIC M, ABDESSELAM A, ADACHI I, et al (Belle Collaboration). Measurement of D0-D0 mixing and search for CP violation in D0→K+K-,π+π- decays with the full Belle data set[J]. Phys Lett B, 2015, 753: 412-418.
    [10]
    NISAR N K, TRABELSI K, MOHANTY G B, et al (Belle Collaboration). Search for CP violation in D0→π0π0 decays[J]. Phys Rev Lett, 2014, 112: 211601.
    [11]
    NISAR N K, MOHANTY GB, TRABELSI K, et al (Belle Collaboration). Search for the rare decay D0→γγ  at Belle[J]. Phys Rev D, 2016, 93: 051102(R).
    [12]
    OLIVE K A, AGASHE K, AMSLER C, et al (Particle Data Group). Review of particle physics[J]. Chinese Physics C, 2014, 38: 090001.
    [13]
    KATO Y, IIJIMA T, ADACHI I, et al. (Belle Collaboration). Search for doubly charmed baryons and study of charmed strange baryons at Belle[J]. Phys Rev D, 2014, 89: 052003.
    [14]
    LEE S H, KO B R, WON E, et al (Belle Collaboration). Measurements of the masses and widths of the Σc(2455)0/++ and Σc(2520)0/++ baryons[J]. Phys Rev D, 2014, 89: 091102(R).
    [15]
    ZUPANC A, BARTEL C, GABYSHEV N, et al (Belle Collaboration). Measurement of the branching fraction B(Λ+c→pK-π+)[J]. Phys Rev Lett, 2014, 113: 042002.
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    [1]
    ABASHIAN A, GOTOWA K, MORGANA N, et al (Belle Collaboration). The Belle detector[J]. Nucl Instrum Methods Phys Res, Sect A, 2002, 479: 117-232.
    [2]
    BRODZICKA J, BROWDER T, CHANG P, et al. Physics achievements from the Belle experiment[J]. Prog Theor Exp Phys, 2012: 04D001.
    [3]
    AAIJ R, BETETA C A, ADAMETZ A, et al. (LHCb Collaboration). Observation of D0-D0 oscillations[J]. Phys Rev Lett, 2013, 110: 101802.
    [4]
    AAIJ R, ADEVA B, ADINOLFI M. Measurement of D0-D0 mixing parameters and search for CP violation using D0→K+π- decays[J]. Phys Rev Lett, 2013, 111: 251801.
    [5]
    AALTONEN T, AMERIO S, AMIDEI D, et al. (CDF Collaboration). Observation of D0-D0 mixing using the CDF Ⅱ Detector[J]. Phys Rev Lett, 2013, 111:231802.
    [6]
    KO B R, WON E, ADACHI I, et al (Belle Collaboration). Observation of D0-D0 mixing in e+e- collisions[J]. Phys Rev Lett, 2014, 112: 111801.
    [7]
    Heavy Flavor Averaging Group (HFAG). Charm physics parameters[EB/OL].[2015-08-01] http://www.slac.stanford.edu/xorg/hfag/charm.
    [8]
    PENG T, ZHANG Z P, ABDESSELAM A, et al (Belle Collaboration). Measurement of D0-D0 mixing and search for indirect CP violation using D0→K0Sπ+π- decays[J]. Phys Rev D, 2014, 89: 091103(R).
    [9]
    STARIC M, ABDESSELAM A, ADACHI I, et al (Belle Collaboration). Measurement of D0-D0 mixing and search for CP violation in D0→K+K-,π+π- decays with the full Belle data set[J]. Phys Lett B, 2015, 753: 412-418.
    [10]
    NISAR N K, TRABELSI K, MOHANTY G B, et al (Belle Collaboration). Search for CP violation in D0→π0π0 decays[J]. Phys Rev Lett, 2014, 112: 211601.
    [11]
    NISAR N K, MOHANTY GB, TRABELSI K, et al (Belle Collaboration). Search for the rare decay D0→γγ  at Belle[J]. Phys Rev D, 2016, 93: 051102(R).
    [12]
    OLIVE K A, AGASHE K, AMSLER C, et al (Particle Data Group). Review of particle physics[J]. Chinese Physics C, 2014, 38: 090001.
    [13]
    KATO Y, IIJIMA T, ADACHI I, et al. (Belle Collaboration). Search for doubly charmed baryons and study of charmed strange baryons at Belle[J]. Phys Rev D, 2014, 89: 052003.
    [14]
    LEE S H, KO B R, WON E, et al (Belle Collaboration). Measurements of the masses and widths of the Σc(2455)0/++ and Σc(2520)0/++ baryons[J]. Phys Rev D, 2014, 89: 091102(R).
    [15]
    ZUPANC A, BARTEL C, GABYSHEV N, et al (Belle Collaboration). Measurement of the branching fraction B(Λ+c→pK-π+)[J]. Phys Rev Lett, 2014, 113: 042002.
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