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    • Measurement of Spin Correlation Coefficient Cy,y for Proton-3He Elastic Scattering

    A. Watanabe,S. Nakai,K. Sekiguchi,S. Goto,K. Hatanaka,Y. Hirai,T. Ino,D. Inomoto,M. Inoue,S. Ishikawa,M. Itoh,H. Kanda,H. Kasahara,Y. Maeda,K. Miki,K. Nonaka,H. J. Ong,H. Oshiro,D. Sakai,H. Sakai,S. Shibuya,D. T. Tran,H. Umetsu,Y. Utsuki,T. Wakasa

    FEW-BODY SYSTEMS（2024）

    Tokyo Inst Technol

    Cited 0|Views16
    Abstract
    We present the measured spin correlation coefficient C(y,y )forp-He-3 elastic scattering at 100 MeV at the angles theta(c.m).=46.9 degrees-149.2 degrees in the center of mass system. The experiment was performed using a 100MeV polarized proton beam in conjunction with the polarized He-3 target. Proton beams were injected to the target, and scattered protons were detected by using E-Delta E detectors which consisted of plastic and NaI(Tl)scintillators. The data are compared with rigorous numerical calculations based on realistic N N potentials aswell as with the Delta-isobar excitation . The obtained results indicate that the C(y,y )expands the knowledge ofthe nuclear interactions with Delta-isobar or those including 3NFs that are masked in nucleon-deuteron elastic scattering.
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