Majumdar, Chanchal. K. ; Manohar, G. Bhide (1968) Effect of paramagnetic impurity on the long lifetime of positrons. II. Oxygen molecule as impurity Physical Review, 169 (2). pp. 295-299. ISSN 0031-899X
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Official URL: http://prola.aps.org/abstract/PR/v169/i2/p295_1
Related URL: http://dx.doi.org/10.1103/PhysRev.169.295
Abstract
The quenching cross section σ of the oxygen molecule for the long lifetime T2 of positron annihilation is computed: σ=3.56×10-16 cm2. This is in fair agreement with the experimental data at low oxygen concentrations. An explanation is offered for the tremendous decrease of quenching cross section for high concentrations, and the need for improved experimental data is pointed out.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 33169 |
| Deposited On: | 30 Mar 2011 10:55 |
| Last Modified: | 19 Apr 2011 13:58 |
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