论文标题
Deuteron结构和形式因素:使用S波的逆势
Deuteron Structure and Form Factors: Using Inverse Potentials for S-waves
论文作者
论文摘要
在本文中,我们确定了Deuteron的静态特性,低能量散射参数,总横截面和使用Morse函数构建的反向S波电位的形式。使用相函数方法确定不同实验室能量的散射相移(SP)。使用机器学习算法和传统数据分析来优化模型参数,从而选择均方根误差作为成本函数。状态3S1和1S0的实验和获得的SP之间的平均绝对误差分别为0.35和0.70。低能散射参数与预期值匹配。 S-Waves SPS对各种能量的总横截面产生的贡献已经获得,并且与实验值非常匹配。通过利用四极力矩的实验值获得了分析基态杜特龙波功能(DWF)。发现从获得的DWF确定的其他静态特性和形态与实验性的特性密切一致。
In this paper, we determine deuteron's static properties, low energy scattering parameters, total cross-section and form factors from inverse S-wave potentials constructed using Morse function. The scattering phase shifts (SPS) at different lab energies are determined using phase function method. The model parameters are optimised using both machine learning algorithm and traditional data analysis by choosing mean squared error as cost function. The mean absolute error between experimental and obtained SPS for states 3S1 and 1S0 are found to be 0.35 and 0.70 respectively. The low energy scattering parameters are matching well with expected values. The contribution due to S-waves SPS towards total cross-section at various energies have been obtained and are matching well with experimental values. The analytical ground state deuteron wave-function (DWF) is obtained by utilizing the experimental value for Quadrupole moment. Other static properties and form factors determined from obtained DWF are found to be in close agreement with experimental ones.