Parity-Violating Interaction Effects I: the Longitudinal Asymmetry in pp Elastic Scattering

Abstract

The proton-proton parity-violating longitudinal asymmetry is calculated in the lab-energy range 0--350 MeV, using a number of different, latest-generation strong-interaction potentials--Argonne V18, Bonn-2000, and Nijmegen-I--in combination with a weak-interaction potential consisting of rho- and omega-meson exchanges--the model known as DDH. The complete scattering problem in the presence of parity-conserving, including Coulomb, and parity-violating potentials is solved in both configuration- and momentum-space. The predicted parity-violating asymmetries are found to be only weakly dependent upon the input strong-interaction potential adopted in the calculation. Values for the rho- and omega-meson weak coupling constants $h_{\rho }^{pp}$ and $h_{\omega }^{pp}$ are determined by reproducing the measured asymmetries at 13.6 MeV, 45 MeV, and 221 MeV.

24 pages, 8 figures, submitted to Physical Review C

References in corpus (7)

• An accurate nucleon-nucleon potential with charge-independence breaking
• The high-precision, charge-dependent Bonn nucleon-nucleon potential (CD-Bonn)
• Construction of high-quality Nucleon-Nucleon potential models
• Parity Violation in Elastic Electron-Proton Scattering and the Proton's Strange Magnetic Form Factor
• Parity Violation in Proton-Proton Scattering at 221 MeV
• Effects of Nonlocal One-Pion-Exchange Potential in Deuteron
• Electromagnetic Structure of Few-Nucleon Systems: a Critical Review

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