Resonance in positron-helium scattering at medium energy

被引：12

作者：

Chaudhuri, P ^{[1
]}

Adhikari, SK ^{[1
]}

Ghosh, AS ^{[1
]}

机构：

[1] INDIAN ASSOC CULTIVAT SCI,DEPT THEORET PHYS,CALCUTTA 700032,W BENGAL,INDIA

来源：

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 1997年 / 30卷 / 02期

关键词：

D O I：

10.1088/0953-4075/30/2/009

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A narrow S-wave resonance has been found in the positron-helium system at about 30 eV, using the close-coupling approach, in excitation and rearrangement cross sections to He(1s2s), He(1s2p), Ps(1s) and Ps(2s) states by employing different combinations of the following basis functions: He(1s1s), He(1s2s), He(1s2p), Ps(1s) and Ps(2s), where Ps stands for the positronium atom.

引用

页码：L81 / L85

页数：5

共 12 条

[1] ADHIKARI S, 1996, IN PRESS CHEM PHYS L
[2] Adhikari S., 1991, Dynamical collision theory and its applications
[3] THE EFFECT OF POSITRONIUM FORMATION IN E(+)-LI AND E(+)-NA SCATTERING
ADHIKARI, SK
GHOSH, AS
RAY, H
[J]. CHEMICAL PHYSICS LETTERS, 1994, 222 (03) : 302 - 308
[4] POSITRON IMPACT PHENOMENA
CHARLTON, M
LARICCHIA, G
[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1990, 23 (07) : 1045 - 1078
[5] INTERMEDIATE ENERGY RESONANCES IN POSITRON HYDROGEN SCATTERING
HEWITT, RN
NOBLE, CJ
BRANSDEN, BH
[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1991, 24 (23) : L635 - L639
[6] HE(2S-1, 2P-1) EXCITATION AND POSITRONIUM FORMATION IN POSITRON HELIUM COLLISIONS AT INTERMEDIATE ENERGIES
HEWITT, RN
NOBLE, CJ
BRANSDEN, BH
[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1992, 25 (02) : 557 - 570
[7] POSITRON SCATTERING BY ATOMIC-HYDROGEN INCLUDING POSITRONIUM FORMATION
HIGGINS, K
BURKE, PG
[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1991, 24 (14) : L343 - L349
[8] KAHALI M, 1996, CHEM PHYS LETT, V239, P344
[9] AN 18-STATE CALCULATION OF POSITRON-HYDROGEN SCATTERING
KERNOGHAN, AA
MCALINDEN, MT
WALTERS, HRJ
[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1995, 28 (06) : 1079 - 1094
[10] THE POSITRON HYDROGEN SYSTEM IN A 6 STATE MODEL
MITROY, J
STELBOVICS, AT
[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1994, 27 (14) : 3257 - 3275

← 1 2 →