Proton-$^{3}$He elastic scattering at low energies

Simple item page
dc.creatorFisher, B. M.
dc.creatorBrune, C. R.
dc.creatorKarwowski, H. J.
dc.creatorLeonard, D. S.
dc.creatorLudwig, E. J.
dc.creatorBlack, T. C.
dc.creatorViviani, M.
dc.creatorKievsky, A.
dc.creatorRosati, S.
dc.date2006-08-15
dc.date2006-08-22
dc.date.accessioned2026-07-07T07:25:36Z
dc.date.available2026-07-07T07:25:36Z
dc.descriptionWe present new accurate measurements of the differential cross section $σ(θ)$ and the proton analyzing power $A_{y}$ for proton-$^{3}$He elastic scattering at various energies. A supersonic gas jet target has been employed to obtain these low energy cross section measurements. The $σ(θ)$ distributions have been measured at $E_{p}$ = 0.99, 1.59, 2.24, 3.11, and 4.02 MeV. Full angular distributions of $A_{y}$ have been measured at $E_{p}$ = 1.60, 2.25, 3.13, and 4.05 MeV. This set of high-precision data is compared to four-body variational calculations employing realistic nucleon-nucleon (NN) and three-nucleon (3N) interactions. For the unpolarized cross section the agreement between the theoretical calculation and data is good when a $3N$ potential is used. The comparison between the calculated and measured proton analyzing powers reveals discrepancies of approximately 50% at the maximum of each distribution. This is analogous to the existing ``$A_{y}$ Puzzle'' known for the past 20 years in nucleon-deuteron elastic scattering.
dc.description22 pages, 9 figures, to be published in Physical Review C, corrected reference 49
dc.identifierhttps://arxiv.org/abs/nucl-ex/0608024
dc.identifierhttp://arxiv.org/abs/nucl-ex/0608024
dc.identifierPhys.Rev. C74 (2006) 034001
dc.identifierdoi:10.1103/PhysRevC.74.034001
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/116769
dc.subjectNuclear Experiment
dc.titleProton-$^{3}$He elastic scattering at low energies
dc.typetext

Files

Collections

arXiv