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https://github.com/larzw/bonn-potential
One-Boson-Exchange Potential and Nucleon-Nucleon Scattering
https://github.com/larzw/bonn-potential
bonn nuclear physics potential
Last synced: 10 days ago
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One-Boson-Exchange Potential and Nucleon-Nucleon Scattering
- Host: GitHub
- URL: https://github.com/larzw/bonn-potential
- Owner: larzw
- Created: 2015-11-06T03:29:31.000Z (about 9 years ago)
- Default Branch: master
- Last Pushed: 2017-04-09T17:49:07.000Z (over 7 years ago)
- Last Synced: 2023-10-19T21:20:50.456Z (about 1 year ago)
- Topics: bonn, nuclear, physics, potential
- Language: Fortran
- Homepage:
- Size: 24.4 KB
- Stars: 4
- Watchers: 3
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
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README
# One-Boson-Exchange potential and Nucleon-Nucleon scattering
This FORTRAN 77 code encompasses the relativistic momentum space One-Boson-Exchange potential (OBEP) and Nucleon-Nucleon scattering. It was written by R. Machleidt and appeared in *[R. Machleidt, Computational Nuclear Physics 2 Nuclear Reactions, (Springer-Verlag, 1993), K. Langanke, J.A. Maruhn, S.E. Koonin eds., Chap. 1, pp. 1-29]*. Additional resources can be found in
- *R. Machleidt, K. Holinde, and C. Elster, Phys. Rept. 149, 1 (1987)*
- *R. Machleidt, Adv. Nucl. Phys. 19, 189 (1989)*
## Quick Start
To compile the code use `f77` or `g77`
```
f77 bonn.f phases.f cph.f
```
Inputs for the phase shift calculation are contained in *dphbonnbpv.d* and the outputs in *phbonnbpv.d*
## Bonn Potential
The subroutine `bonn.f` computes the momentum-space OBEP in terms of partial-wave helicity matrix elements. Although the code uses several subroutines, the user needs to call only `bonn` without worrying about the other computer programs contained in the package.
## Phase Shifts
Phase shifts are calculated from the *R-matrix*. The *R-matrix* is calculated using matrix inversion *[Michael I. Haftel and Frank Tabakin, Nucl. Phys. A 158, 1 (1970)]* and the Bonn Potential.