Phase shift analyses of pp elastic scattering at fixed energies between 0.83 and 1.8 GeV

J. Bystrický, C. Lechanoine-Leluc, F. Lehár
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引用次数: 17

Abstract

Fixed energy phase shift analyses have been carried out at eight energies between 0.83 and 1.8 GeV for elastic pp scattering. At these energies complete sets of observables have been measured at SATURNE II. The energy dependences of the phase shifts are compared with other recent analyses. The predictions of the forward scattering amplitudes are compared with dispersion relation calculations. The angular dependence of the 5 total scattering amplitudes is in good agreement with results of the direct amplitude reconstruction Une analyse en dephasage a energie fixe, pour la diffusion elastique pp, a ete realisee a huit energies entre 0.84 et 1.8 GeV. A chacune de ces energies, un ensemble complet d'observables a ete mesure a SATURNE II. La dependance en energie obtenue pour les differents dephasages est comparee a celle obtenue par d'autres analyses en dephasages recentes. Les resultats obtenus pour les amplitudes de diffusion a 0 o sont compares a ceux bases sur les relations de dispersion. La dependance angulaire des 5 amplitudes de diffusion est en bon accord avec celle obtenue par reconstruction directe
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0.83 ~ 1.8 GeV固定能量pp弹性散射的相移分析
在0.83 ~ 1.8 GeV之间的8个能量范围内,对弹性pp散射进行了固定能量相移分析。在这些能量下,土星2号已经测量到了完整的可观测物。将相移的能量依赖性与最近的其他分析进行了比较。对前向散射振幅的预测结果与色散关系计算结果进行了比较。5个总散射振幅的角依赖性与直接振幅重建的结果吻合较好,在能量固定条件下进行减相分析,得到了0.84 ~ 1.8 GeV的总散射振幅。在土星II上完成了一个完整的可观测到的非系综能量测量。本文比较了不同脱相过程中对能量的依赖性,并对最近的脱相过程进行了分析。较低的结果振幅和较低的扩散振幅,在10 ~ 10秒内与其他基底和较低的扩散关系比较。5个扩散幅值的La依赖性角函数可以在细胞内直接重建
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