Deeply Pseudoscalar Meson Electroproduction with CLAS and Generalized Parton Distributions
- Institut de Physique Nucleaire, Orsay (France)
- Jefferson Lab., Newport News, VA (United States)
We discuss the recent data of exclusive $$\pi^0$$ (and $$\pi^+$$) electroproduction on the proton obtained by the CLAS collaboration at Jefferson Lab. It is observed that the cross sections, which have been decomposed in $$\sigma_T+\epsilon\sigma_L$$, $$\sigma_{TT}$$ and $$\sigma_{LT}$$ structure functions, are dominated by transverse amplitude contributions. The data can be interpreted in the Generalized Parton Distribution formalism provided that one includes helicity-flip transversity GPDs.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- DOE Contract Number:
- AC05-06OR23177
- OSTI ID:
- 1223368
- Report Number(s):
- JLAB-PHY-14-1993; DOE/OR/23177-3282; arXiv:1412.4315; TRN: US1601479
- Resource Relation:
- Conference: PANIC 14, Hamburg (Germany), 24-29 Aug 2014
- Country of Publication:
- United States
- Language:
- English
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