Double and single pion photoproduction within a dynamical coupled-channels model

Julia-Diaz, Bruno; Lee, T. -S. H.; Matsuyama, Akihiko; Sato, Toru

doi:10.1103/PhysRevC.80.065203

Title: Double and single pion photoproduction within a dynamical coupled-channels model

Abstract

Within a dynamical coupled-channels model which has already been fixed from analyzing the data of the πN → πN and γN → πN reactions, we present the predicted double pion photoproduction cross sections up to the second resonance region, W < 1.7 GeV. The roles played by the different mechanisms within our model in determining both the single and double pion photoproduction reactions are analyzed, focusing on the effects due to the direct γN → ππN mechanism, the interplay between the resonant and non-resonant amplitudes, and the coupled-channels effects. As a result, the model parameters which can be determined most effectively in the combined studies of both the single and double pion photoproduction data are identified for future studies.

Authors:

Hiroyuki Kamano; Julia-Diaz, Bruno ^[1]; Lee, T. -S. H. ^[2]; Matsuyama, Akihiko ^[3]; Sato, Toru ^[4]

Universitat de Barcelona, Barcelona (Spain); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Shizuoka Univ., Shizuoka (Japan); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Osaka Univ., Osaka (Japan); Univ. de Barcelona, Barcelona (Spain)

Publication Date:: 2009-12-16

Research Org.:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Org.:: USDOE Office of Science (SC)

OSTI Identifier:: 1029200

Report Number(s):: JLAB-THY-09-1064; DOE/OR/23177-0971; arXiv:0909.1129
Journal ID: ISSN 0556-2813; PRVCAN; TRN: US1105667

Grant/Contract Number:: AC05-06OR23177

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review C, Nuclear Physics

Additional Journal Information:: Journal Volume: 80; Journal Issue: 6; Journal ID: ISSN 0556-2813

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; AMPLITUDES; CROSS SECTIONS; FOCUSING; PHOTOPRODUCTION; PIONS; PRODUCTION; RESONANCE

Citation Formats


                    Hiroyuki Kamano, Julia-Diaz, Bruno, Lee, T. -S. H., Matsuyama, Akihiko, and Sato, Toru. Double and single pion photoproduction within a dynamical coupled-channels model.  United States: N. p., 2009. 
Web.  doi:10.1103/PhysRevC.80.065203.

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                    Hiroyuki Kamano, Julia-Diaz, Bruno, Lee, T. -S. H., Matsuyama, Akihiko, & Sato, Toru. Double and single pion photoproduction within a dynamical coupled-channels model.  United States.  https://doi.org/10.1103/PhysRevC.80.065203

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                    Hiroyuki Kamano, Julia-Diaz, Bruno, Lee, T. -S. H., Matsuyama, Akihiko, and Sato, Toru. Wed .  
"Double and single pion photoproduction within a dynamical coupled-channels model".  United States.  https://doi.org/10.1103/PhysRevC.80.065203.  https://www.osti.gov/servlets/purl/1029200.

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@article{osti_1029200,

  title        = {Double and single pion photoproduction within a dynamical coupled-channels model},

  author       = {Hiroyuki Kamano and Julia-Diaz, Bruno and Lee, T. -S. H. and Matsuyama, Akihiko and Sato, Toru},

  abstractNote = {Within a dynamical coupled-channels model which has already been fixed from analyzing the data of the πN → πN and γN → πN reactions, we present the predicted double pion photoproduction cross sections up to the second resonance region, W < 1.7 GeV. The roles played by the different mechanisms within our model in determining both the single and double pion photoproduction reactions are analyzed, focusing on the effects due to the direct γN → ππN mechanism, the interplay between the resonant and non-resonant amplitudes, and the coupled-channels effects. As a result, the model parameters which can be determined most effectively in the combined studies of both the single and double pion photoproduction data are identified for future studies.},

  doi          = {10.1103/PhysRevC.80.065203},

  journal      = {Physical Review C, Nuclear Physics},

  number       = 6,

  volume       = 80,

  place        = {United States},

  year         = {2009},

  month        = {12}

}

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Title: Double and single pion photoproduction within a dynamical coupled-channels model

Abstract

Citation Formats

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