Electromagnetic structure of the trinucleons
Abstract
The electromagnetic form factors of the trinucleons {sup 3}H and {sup 3}He are calculated with wave functions obtained with the Argonne AV18 two-nucleon and Urbana IX three-nucleon interactions. Full account is taken of the two-body currents required by current conservation with the AV18 interaction as well as those associated with N-Delta transition currents and the currents of Delta resonance components in the wave functions. Explicit three-nucleon current operators associated with the two-pion exchange three-nucleon interaction arising from irreducible S-wave pion-nucleon scattering is constructed and shown to have very little effect on the calculated magnetic form factors. The calculated magnetic form factor of {sup 3}H, and charge form factors of both {sup 3}H and {sup 3}He are in satisfactory agreement with the experimental data. However, the position of the zero in the magnetic form factor of {sup 3}He is slightly underpredicted.
- Authors:
- Publication Date:
- Research Org.:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Org.:
- USDOE Office of Energy Research (ER) (US)
- OSTI Identifier:
- 755937
- Report Number(s):
- DOE/ER/40150-1505; JLAB-THY-98-21; nucl-th/9805048
TRN: US0002608
- DOE Contract Number:
- AC05-84ER40150
- Resource Type:
- Journal Article
- Journal Name:
- Phys.Rev. C58 (1998) 3069-3084
- Additional Journal Information:
- Other Information: Submitted to Phys.Rev. C58 (1998) 3069-3084; PBD: 1 May 1998
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; TRITIUM; HELIUM 3; ELECTROMAGNETIC FORM FACTORS; THREE-BODY PROBLEM; TWO-BODY PROBLEM; WAVE FUNCTIONS; OPE POTENTIAL; CHARGE DISTRIBUTION
Citation Formats
Marcucci, L E, Riska, D O, and Schiavilla, R. Electromagnetic structure of the trinucleons. United States: N. p., 1998.
Web. doi:10.1103/PhysRevC.58.3069.
Marcucci, L E, Riska, D O, & Schiavilla, R. Electromagnetic structure of the trinucleons. United States. https://doi.org/10.1103/PhysRevC.58.3069
Marcucci, L E, Riska, D O, and Schiavilla, R. 1998.
"Electromagnetic structure of the trinucleons". United States. https://doi.org/10.1103/PhysRevC.58.3069. https://www.osti.gov/servlets/purl/755937.
@article{osti_755937,
title = {Electromagnetic structure of the trinucleons},
author = {Marcucci, L E and Riska, D O and Schiavilla, R},
abstractNote = {The electromagnetic form factors of the trinucleons {sup 3}H and {sup 3}He are calculated with wave functions obtained with the Argonne AV18 two-nucleon and Urbana IX three-nucleon interactions. Full account is taken of the two-body currents required by current conservation with the AV18 interaction as well as those associated with N-Delta transition currents and the currents of Delta resonance components in the wave functions. Explicit three-nucleon current operators associated with the two-pion exchange three-nucleon interaction arising from irreducible S-wave pion-nucleon scattering is constructed and shown to have very little effect on the calculated magnetic form factors. The calculated magnetic form factor of {sup 3}H, and charge form factors of both {sup 3}H and {sup 3}He are in satisfactory agreement with the experimental data. However, the position of the zero in the magnetic form factor of {sup 3}He is slightly underpredicted.},
doi = {10.1103/PhysRevC.58.3069},
url = {https://www.osti.gov/biblio/755937},
journal = {Phys.Rev. C58 (1998) 3069-3084},
number = ,
volume = ,
place = {United States},
year = {Fri May 01 00:00:00 EDT 1998},
month = {Fri May 01 00:00:00 EDT 1998}
}
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