Total (complete) and ionization cross-sections of argon and krypton by positron impact from 15 to 2000 eV – Theoretical investigations

HARSHIT N KOTHARI; K N JOSHIPURA

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Total (complete) and ionization cross-sections of argon and krypton by positron impact from 15 to 2000 eV – Theoretical investigations

机译：15-2000 eV受到正电子撞击的氩气和k气的总（完整）横截面和电离横截面–理论研究

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Considering interactions and scattering of positrons with argon (Ar) and krypton (Kr) atoms, we have calculated total cross-sections (Q T = Q el + Q inel ) using complex spherical potentials for these systems. In positron–atom scattering it is difficult to bifurcate the ionization and cumulative excitation contained in the total inelastic cross-section. An approximate method called CSP-ic (complex scattering potential-ionization contribution) similar to electron–atom scattering has been applied to bifurcate ionization and cumulative excitation cross-sections at energies from the threshold to 2000 eV. Adequate comparisons of the present results are made, with available data.

机译：考虑到正电子与氩（Ar）和k（Kr）原子的相互作用和散射，我们使用复杂的球形势计算了总截面（QT = Q el + Q inel ）对于这些系统。在正电子-原子散射中，很难将整个非弹性横截面中包含的电离和累积激发分叉。已将类似于电子-原子散射的近似方法称为CSP-ic（复杂散射势-电离贡献）应用于阈值至2000 eV能量处的分叉电离和累积激发截面。与现有数据进行了充分的比较，目前的结果。

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来源
《Pramana》 |2012年第3期|p.435-442|共8页
作者
HARSHIT N KOTHARI; K N JOSHIPURA;
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作者单位

Universal College of Engineering &amp Technology, Near Moti Bhoyan, Kalol, 382 721, India;

Department of Physics, Sardar Patel University, Vallabh Vidyanagar, 388 120, India;

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Positron scattering; total cross-section; complex potential; 34.80.Uv; 34.50.−s;

机译：正电子散射;总截面;复势;34.80.Uv;34.50.-s;

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1. Total (complete) and ionization cross-sections of argon and krypton by positron impact from 15 to 2000 eV a€“ Theoretical investigations [J] . Harshit N Kothari1, K N Joshipura Pramana . 2012,第3期

机译：15到2000 eV的正电子撞击使氩气和气的总（完整）横截面和电离横截面-理论研究
2. Total and ionization cross-sections of N2 and CO by positron impact: Theoretical investigations [J] . HARSHIT N KOTHARI, K N JOSHIPURA Pramana . 2011,第3期

机译：N2 和CO受正电子撞击的总截面和电离截面：理论研究
3. Total and ionization cross-sections of N2 and CO by positron impact: Theoretical investigations [J] . Harshit N Kothari1, K N Joshipura Pramana . 2011,第3期

机译：N2和CO受正电子撞击的总截面和电离截面：理论研究
4. Differential Cross Sections for Ionization of Argon by 1 keV Positron and Electron Impact [C] . R. D. DuBois, J. Gavin, O. G. de Lucio ICPEAC . 2014

机译：用1keV正电子和电子撞击电离氩电离的差分横截面
5. Ionization measurements of argon, krypton and xenon atoms with petawatt- to exawatt-per-square-centimeter laser fields. [D] . DiChiara, Anthony D. 2008

机译：皮特瓦至亿瓦每平方厘米激光场的氩，k和氙原子的电离测量。
6. Direct evidence of two interatomic relaxation mechanisms in argon dimers ionized by electron impact [O] . Xueguang Ren, Elias Jabbour Al Maalouf, Alexander Dorn, -1

机译：电子撞击电离的氩二聚体中两个原子间弛豫机制的直接证据
7. Fully differential cross-section measurements for electron-impact ionization of argon over the complete in-plane angular range [O] . Stevenson, M A, Lohmann, B 2008

机译：在整个平面内角度范围内对氩气进行电子碰撞电离的全差分横截面测量
8. Investigation of positrons interacting with solid argon, krypton and xenon [R] . Petkov, M. P., Roellig, L. O., Troev, T. D. 1996

机译：正电子与固体氩，氪和氙相互作用的研究

Total (complete) and ionization cross-sections of argon and krypton by positron impact from 15 to 2000 eV – Theoretical investigations

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