Chakraborty Irabati, Uddin Nafees, Antony Bobby
Department of Physics, Indian Institute of Technology (Indian School of Mines), Atomic and Molecular Physics Laboratory Dhanbad - 826004 Jharkhand India
Applied Science Department, JIMS Engineering Management Technical Campus 48/4, Knowledge Park III Greater Noida 201308 Uttar Pradesh India.
RSC Adv. 2024 Dec 10;14(52):38855-38863. doi: 10.1039/d4ra06809b. eCollection 2024 Dec 3.
This article reports an investigation of positron impact scattering from several phosphorus-bearing compounds detected in the interstellar medium. The targets studied are HCP, CCP, CP, PN, and PO. For our theoretical model, we employed the spherical complex optical potential (SCOP) and complex scattering potential - ionization contribution (CSP-ic) methods. We computed the positron impact integral cross-sections for a wide range of energies, from 1 eV to 5000 eV in a fine energy grid. These cross-sections include positronium formation, direct ionization, total ionization, elastic, differential, and total cross-sections. We compared our newly reported data to molecules with similar structures to assess the quality of the calculated data. These results provide a valuable benchmark for future experimental and theoretical research on these targets.
本文报道了对在星际介质中检测到的几种含磷化合物的正电子碰撞散射的研究。所研究的目标是HCP、CCP、CP、PN和PO。对于我们的理论模型，我们采用了球形势垒光学势（SCOP）和复散射势-电离贡献（CSP-ic）方法。我们在精细的能量网格中计算了从1 eV到5000 eV的宽能量范围内的正电子碰撞积分截面。这些截面包括正电子素形成、直接电离、总电离、弹性、微分和总截面。我们将新报道的数据与具有相似结构的分子进行比较，以评估计算数据的质量。这些结果为未来对这些目标的实验和理论研究提供了有价值的基准。
