Comparison of the electromagnetic responses of obtained from the Green's function Monte Carlo and spectral function approaches
Abstract
Here, the electromagnetic responses of carbon obtained from the Green's function Monte Carlo and spectral function approaches using the same dynamical input are compared in the kinematical region corresponding to momentum transfer in the range 300–570 MeV. The results of our analysis, aimed at pinning down the limits of applicability of the approximations involved in the two schemes, indicate that the factorization ansatz underlying the spectral function formalism provides remarkably accurate results down to momentum transfer as low as 300 MeV. On the other hand, it appears that at 570 MeV relativistic corrections to the electromagnetic current not included in the Monte Carlo calculations may play a significant role in the transverse channel.
- Authors:
-
- "Sapienza" Univ., Roma (Italy); Institutos de Investigacion de Paterna, Valencia (Spain)
- Argonne National Lab. (ANL), Argonne, IL (United States)
- "Sapienza" Univ., Roma (Italy)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP); Spanish Ministerio de Economia y Competitividad (MINECO)
- OSTI Identifier:
- 1416016
- Alternate Identifier(s):
- OSTI ID: 1337443
- Grant/Contract Number:
- AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Volume: 94; Journal Issue: 6; Journal ID: ISSN 2469-9985
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Rocco, Noemi, Lovato, Alessandro, and Benhar, Omar. Comparison of the electromagnetic responses of C12 obtained from the Green's function Monte Carlo and spectral function approaches. United States: N. p., 2016.
Web. doi:10.1103/PhysRevC.94.065501.
Rocco, Noemi, Lovato, Alessandro, & Benhar, Omar. Comparison of the electromagnetic responses of C12 obtained from the Green's function Monte Carlo and spectral function approaches. United States. https://doi.org/10.1103/PhysRevC.94.065501
Rocco, Noemi, Lovato, Alessandro, and Benhar, Omar. Fri .
"Comparison of the electromagnetic responses of C12 obtained from the Green's function Monte Carlo and spectral function approaches". United States. https://doi.org/10.1103/PhysRevC.94.065501. https://www.osti.gov/servlets/purl/1416016.
@article{osti_1416016,
title = {Comparison of the electromagnetic responses of C12 obtained from the Green's function Monte Carlo and spectral function approaches},
author = {Rocco, Noemi and Lovato, Alessandro and Benhar, Omar},
abstractNote = {Here, the electromagnetic responses of carbon obtained from the Green's function Monte Carlo and spectral function approaches using the same dynamical input are compared in the kinematical region corresponding to momentum transfer in the range 300–570 MeV. The results of our analysis, aimed at pinning down the limits of applicability of the approximations involved in the two schemes, indicate that the factorization ansatz underlying the spectral function formalism provides remarkably accurate results down to momentum transfer as low as 300 MeV. On the other hand, it appears that at 570 MeV relativistic corrections to the electromagnetic current not included in the Monte Carlo calculations may play a significant role in the transverse channel.},
doi = {10.1103/PhysRevC.94.065501},
journal = {Physical Review C},
number = 6,
volume = 94,
place = {United States},
year = {Fri Dec 23 00:00:00 EST 2016},
month = {Fri Dec 23 00:00:00 EST 2016}
}
Web of Science
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