Quark Mass Functions and Pion Structure in the Covariant Spectator Theory

Biernat, Elmar P.; Gross, Franz; Pena, Teresa; Stadler, Alfred; Leitao, Sofia

doi:10.1007/s00601-018-1401-z

Title: Quark Mass Functions and Pion Structure in the Covariant Spectator Theory

Journal Article · Thu May 24 00:00:00 EDT 2018 · Few-Body Systems

DOI:https://doi.org/10.1007/s00601-018-1401-z· OSTI ID:1440906

^[1];

^[2]; Pena, Teresa ^[1]; Stadler, Alfred ^[3]; Leitao, Sofia ^[1]

Inst. of Superior Tecnico (IST), Lisbon (Portugal). Centre for Theoretical and Particle Physics (CFTP)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); College of William and Mary, Williamsburg, VA (United States)
Inst. of Superior Tecnico (IST), Lisbon (Portugal). Centre for Theoretical and Particle Physics (CFTP); Univ. of Evora (Portugal). Dept. of Physics

The Covariant Spectator Theory is applied to the description of quarks and the pion. The dressed quark mass function is calculated dynamically in Minkowski space and used in the calculation of the pion electromagnetic form factor. The effects of the mass function on the pion form factor and the different quark-pole contributions to the triangle diagram then are analyzed.

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

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); Foundation for Science and Technology FCT; European Commission (EC)

Grant/Contract Number:: AC05-06OR23177; UID/FIS/00777/2013; CERN/FP/123580/2011; SFRH/BPD/100578/2014; SFRH/BD/92637/2013; 283286

OSTI ID:: 1440906

Report Number(s):: JLAB-THY-18-2649; DOE/OR/23177-4356' arXiv:1802.00266; CFTP-18-002; PII: 1401; TRN: US1900836

Journal Information:: Few-Body Systems, Vol. 59, Issue 5; ISSN 0177-7963

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 2 works

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