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Optical model potential of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>A</mml:mi><mml:mo>=</mml:mo><mml:mn>3</mml:mn></mml:mrow></mml:math>projectiles for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mn>1</mml:mn><mml:mi>p</mml:mi></mml:mrow></mml:math>-shell nuclei

D. Y. PangCyclotron Institute, Texas A&M University, College Station, Texas 77843, USAW. M. DeanBowdoin College, 8800 College Station, Brunswick, Maine 04011-8488, USAA. M. MukhamedzhanovCyclotron Institute, Texas A&M University, College Station, Texas 77843, USA
2015lv
ABI

Abstract

A set of global optical potential parameters describing the $A=3$ particles ($^{3}\mathrm{He}$ and ${}^{3}\mathrm{H}$) elastic scattering from $1p$-shell nuclei, $\mathrm{HT}1p$, is obtained by simultaneously fitting 118 sets of experimental data of $^{3}\mathrm{He}$ and ${}^{3}\mathrm{H}$ elastic scattering from $^{9}\mathrm{Be},{}^{10}\mathrm{B},{}^{11}\mathrm{B},{}^{12}\mathrm{C},{}^{13}\mathrm{C},{}^{14}\mathrm{C},{}^{14}\mathrm{N},{}^{15}\mathrm{N},{}^{16}\mathrm{O},{}^{17}\mathrm{O}$, and ${}^{18}\mathrm{O}$ with incident energies from $4\ensuremath{\le}E\ensuremath{\le}118.5$ MeV and 24 sets of elastic scattering data with the $^{6}\mathrm{Li}$ and $^{7}\mathrm{Li}$ targets from $3\ensuremath{\le}E\ensuremath{\le}44$ MeV. $\mathrm{HT}1p$ is found to be superior to GDP08 [D. Y. Pang, P. Roussel-Chomaz, H. Savajols, R. L. Varner, and R. Wolski, Phys. Rev. C 79, 024615 (2009)], which is a systematic potential designed for the heavy-target region, in the reproduction of the angular distributions of elastic scattering cross sections of $^{3}\mathrm{He}$ and ${}^{3}\mathrm{H}$ from $1p$-shell nuclei at energies below 100 MeV. At energies above 100 MeV, GDP08 is found to be better than HT1p.

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