Calculation of Proton-Deuteron Breakup Reactions including the Coulomb Interaction between the Two Protons

A. Deltuva, A. C. Fonseca, and P. U. Sauer

Phys. Rev. Lett. 95, 092301 – Published 26 August 2005

Abstract

The Coulomb interaction between the two protons is fully included in the calculation of proton-deuteron breakup with realistic interactions for the first time. The hadron dynamics is based on the purely nucleonic charge-dependent (CD) Bonn potential and its realistic extension CD Bonn $+ Δ$ to a coupled-channel two-baryon potential, allowing for single virtual $Δ$ -isobar excitation. Calculations are done using integral equations in momentum space. The screening and renormalization approach is employed for including the Coulomb interaction. The Coulomb effect on breakup observables is seen at all energies in particular kinematic regimes.

Received 12 May 2005

DOI:https://doi.org/10.1103/PhysRevLett.95.092301

Authors & Affiliations

A. Deltuva^1,*, A. C. Fonseca¹, and P. U. Sauer²

¹Centro de Física Nuclear da Universidade de Lisboa, P-1649-003 Lisboa, Portugal
²Institut für Theoretische Physik, Universität Hannover, D-30167 Hannover, Germany

^*On leave from Institute of Theoretical Physics and Astronomy of Vilnius University, Vilnius 2600, Lithuania. Electronic address: deltuva@cii.fc.ul.pt

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Issue

Vol. 95, Iss. 9 — 26 August 2005

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