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Title: The scalar and electromagnetic form factors of the nucleon in dispersively improved Chiral EFT

Abstract

We present a method for calculating the nucleon form factors of G-parity-even operators. This method combines chiral effective field theory (χEFT) and dispersion theory. Through unitarity we factorize the imaginary part of the form factors into a perturbative part, calculable with χEFT, and a non-perturbative part, obtained through other methods. We consider the scalar and electromagnetic (EM) form factors of the nucleon. The results show an important improvement compared to standard chiral calculations, and can be used in analysis of the low-energy properties of the nucleon.

Authors:
 [1]
  1. Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Publication Date:
Research Org.:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1432699
Report Number(s):
JLAB-THY-18-2644; DOE/OR/23177-4347
DOE Contract Number:  
AC05-06OR23177
Resource Type:
Conference
Journal Name:
Proceedings of Science
Additional Journal Information:
Journal Volume: Hadron2017; Conference: Hadron 2017, 25-29 Sep 2017. Salamanca, Spain
Country of Publication:
United States
Language:
English

Citation Formats

Alarcon, Jose Manuel. The scalar and electromagnetic form factors of the nucleon in dispersively improved Chiral EFT. United States: N. p., 2018. Web.
Alarcon, Jose Manuel. The scalar and electromagnetic form factors of the nucleon in dispersively improved Chiral EFT. United States.
Alarcon, Jose Manuel. Sun . "The scalar and electromagnetic form factors of the nucleon in dispersively improved Chiral EFT". United States. https://www.osti.gov/servlets/purl/1432699.
@article{osti_1432699,
title = {The scalar and electromagnetic form factors of the nucleon in dispersively improved Chiral EFT},
author = {Alarcon, Jose Manuel},
abstractNote = {We present a method for calculating the nucleon form factors of G-parity-even operators. This method combines chiral effective field theory (χEFT) and dispersion theory. Through unitarity we factorize the imaginary part of the form factors into a perturbative part, calculable with χEFT, and a non-perturbative part, obtained through other methods. We consider the scalar and electromagnetic (EM) form factors of the nucleon. The results show an important improvement compared to standard chiral calculations, and can be used in analysis of the low-energy properties of the nucleon.},
doi = {},
journal = {Proceedings of Science},
number = ,
volume = Hadron2017,
place = {United States},
year = {2018},
month = {4}
}

Conference:
Other availability
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