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Chinese Physics C> 2018, Vol. 42> Issue(2) : 023109 DOI: 10.1088/1674-1137/42/2/023109

A data-driven approach to π0, η and η' single and double Dalitz decays

  • 1.

     Grup de Fí

  • 2.

     Institut de Fí

  • 3.

     Institut de Fí

  • 4.

     CAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China

  • The dilepton invariant mass spectra and integrated branching ratios of the single and double Dalitz decays P→l+l-γ and P→l+l-l+l- (P=π0, η, η'; l=e or μ) are predicted by means of a data-driven approach based on the use of rational approximants applied to π0, η and η' transition form factor experimental data in the space-like region.
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Rafel Escribano and Sergi González-Solís. A data-driven approach to π0, η and η' single and double Dalitz decays[J]. Chinese Physics C, 2018, 42(2): 023109. doi: 10.1088/1674-1137/42/2/023109
Rafel Escribano and Sergi González-Solís. A data-driven approach to π0, η and η' single and double Dalitz decays[J]. Chinese Physics C, 2018, 42(2): 023109.  doi: 10.1088/1674-1137/42/2/023109 shu
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Received: 2017-10-31
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    Supported by the FPI scholarship BES-2012-055371 (S.G-S), the Secretaria d'Universitats i Recerca del Departament d'Economia i Coneixement de la Generalitat de Catalunya under grant 2014 SGR 1450, the Ministerio de Ciencia e Innovacin under grant FPA2011-25948, the Ministerio de Economa y Competitividad under grants CICYT-FEDER-FPA 2014-55613-P and SEV-2012-0234, the Spanish Consolider-Ingenio 2010 Program CPAN (CSD2007-00042), and the European Commission under program FP7-INFRASTRUCTURES-2011-1 (283286) S.G-S also Received Support from the CAS President's International Fellowship Initiative for Young International Scientist (2017PM0031)

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A data-driven approach to π0, η and η' single and double Dalitz decays

    Corresponding author: Rafel Escribano,
  • 1. Grup de Fí
  • 2. Institut de Fí
  • 3. Institut de Fí
  • 4. CAS Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100190, China
  • Received Date: 2017-10-31
  • Available Online: 2018-02-05
Fund Project:  Supported by the FPI scholarship BES-2012-055371 (S.G-S), the Secretaria d'Universitats i Recerca del Departament d'Economia i Coneixement de la Generalitat de Catalunya under grant 2014 SGR 1450, the Ministerio de Ciencia e Innovacin under grant FPA2011-25948, the Ministerio de Economa y Competitividad under grants CICYT-FEDER-FPA 2014-55613-P and SEV-2012-0234, the Spanish Consolider-Ingenio 2010 Program CPAN (CSD2007-00042), and the European Commission under program FP7-INFRASTRUCTURES-2011-1 (283286) S.G-S also Received Support from the CAS President's International Fellowship Initiative for Young International Scientist (2017PM0031)

Abstract: The dilepton invariant mass spectra and integrated branching ratios of the single and double Dalitz decays P→l+l-γ and P→l+l-l+l- (P=π0, η, η'; l=e or μ) are predicted by means of a data-driven approach based on the use of rational approximants applied to π0, η and η' transition form factor experimental data in the space-like region.

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