Abstract
We measured the cross section and the proton analyzing power A_yAy for pp–^33He elastic scattering at the angles \theta = 26.9^{\circ}θ=26.9∘–170.1^{\circ}170.1∘ in the center of mass system with a 65 MeV polarized proton beam. We compared the data with the rigorous numerical calculations based on the various nucleon–nucleon potentials. For the cross section, clear discrepancy is seen at the angles where the cross section takes minimum. For the proton analyzing power A_yAy, the calculations have moderate agreements with the data. In this proceedings, we show only the experimental results.
Highlights
One of the most important topics of nuclear physics is to describe the properties of nucleus based on the nucleon–nucleon (N N ) interactions combined with the three–nucleon forces (3NFs). 3NFs are key elements to understand various nuclear phenomena, e.g. binding energies of light mass nuclei [1] and equation of state of nuclear matter [2].To study the dynamical aspects of 3NFs, such as momentum, spin, and iso-spin dependencies, few–nucleon scattering is a good probe
The measurement of p–3He elastic scattering was performed in the west experimental hall of the Research Center for Nuclear Physics (RCNP), Osaka University
Particle identification has been performed using the correlation between the d E and E detectors
Summary
One of the most important topics of nuclear physics is to describe the properties of nucleus based on the nucleon–nucleon (N N ) interactions combined with the three–nucleon forces (3NFs). 3NFs are key elements to understand various nuclear phenomena, e.g. binding energies of light mass nuclei [1] and equation of state of nuclear matter [2]. One of the most important topics of nuclear physics is to describe the properties of nucleus based on the nucleon–nucleon (N N ) interactions combined with the three–nucleon forces (3NFs). To study the dynamical aspects of 3NFs, such as momentum, spin, and iso-spin dependencies, few–nucleon scattering is a good probe. The first indication of the 3NF effects in the few–nucleon scattering was found in the cross section minimum for deuteron–proton (d p) elastic scattering at intermediate energies (E/A 65 MeV) [3]
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