Light-front spin-dependent spectral function and nucleon momentum distributions for a three-body system
Abstract
Poincare covariant definitions for the spin-dependent spectral function and for the momentum distributions within the light-front Hamiltonian dynamics are proposed for a three-fermion bound system, starting from the light-front wave function of the system. The adopted approach is based on the Bakamjian–Thomas construction of the Poincaré generators, which allows one to easily import the familiar and wide knowledge on the nuclear interaction into a light-front framework. The proposed formalism can find useful applications in refined nuclear calculations, such as those needed for evaluating the European Muon Collaboration effect or the semi-inclusive deep inelastic cross sections with polarized nuclear targets, since remarkably the light-front unpolarized momentum distribution by definition fulfills both normalization and momentum sum rules. As a result, also shown is a straightforward generalization of the definition of the light-front spectral function to an A-nucleon system.
- Authors:
-
- Istituto Nazionale di Fisica Nucleare, Rome (Italy); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Univ. degli Studi di Roma "Tor Vergata" and INFN, Rome (Italy)
- Istituto Nazionale di Fisica Nucleare, Rome (Italy)
- Univ. degli Studi di Perugia and INFN, Perugia (Italy)
- Publication Date:
- Research Org.:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1346560
- Report Number(s):
- JLAB-PHY-17-2427; DOE/OR/23177-4094; arXiv:1609.03804
Journal ID: ISSN 2469-9985; PRVCAN; TRN: US1701014
- Grant/Contract Number:
- AC05-06OR23177
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Volume: 95; Journal Issue: 1; Journal ID: ISSN 2469-9985
- Publisher:
- APS
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Del Dotto, Alessio, Pace, Emanuele, Salme, Giovanni, and Scopetta, Sergio. Light-front spin-dependent spectral function and nucleon momentum distributions for a three-body system. United States: N. p., 2017.
Web. doi:10.1103/PhysRevC.95.014001.
Del Dotto, Alessio, Pace, Emanuele, Salme, Giovanni, & Scopetta, Sergio. Light-front spin-dependent spectral function and nucleon momentum distributions for a three-body system. United States. https://doi.org/10.1103/PhysRevC.95.014001
Del Dotto, Alessio, Pace, Emanuele, Salme, Giovanni, and Scopetta, Sergio. Tue .
"Light-front spin-dependent spectral function and nucleon momentum distributions for a three-body system". United States. https://doi.org/10.1103/PhysRevC.95.014001. https://www.osti.gov/servlets/purl/1346560.
@article{osti_1346560,
title = {Light-front spin-dependent spectral function and nucleon momentum distributions for a three-body system},
author = {Del Dotto, Alessio and Pace, Emanuele and Salme, Giovanni and Scopetta, Sergio},
abstractNote = {Poincare covariant definitions for the spin-dependent spectral function and for the momentum distributions within the light-front Hamiltonian dynamics are proposed for a three-fermion bound system, starting from the light-front wave function of the system. The adopted approach is based on the Bakamjian–Thomas construction of the Poincaré generators, which allows one to easily import the familiar and wide knowledge on the nuclear interaction into a light-front framework. The proposed formalism can find useful applications in refined nuclear calculations, such as those needed for evaluating the European Muon Collaboration effect or the semi-inclusive deep inelastic cross sections with polarized nuclear targets, since remarkably the light-front unpolarized momentum distribution by definition fulfills both normalization and momentum sum rules. As a result, also shown is a straightforward generalization of the definition of the light-front spectral function to an A-nucleon system.},
doi = {10.1103/PhysRevC.95.014001},
journal = {Physical Review C},
number = 1,
volume = 95,
place = {United States},
year = {Tue Jan 10 00:00:00 EST 2017},
month = {Tue Jan 10 00:00:00 EST 2017}
}
Web of Science
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