Pal, Yash ; Rengarajan, T. N. (1961) Observations on neutral π mesons produced in nuclear interactions of 24-Gev protons with carbon nuclei Physical Review, 124 (5). pp. 1575-1576. ISSN 0031-899X
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Official URL: http://prola.aps.org/abstract/PR/v124/i5/p1575_1
Related URL: http://dx.doi.org/10.1103/PhysRev.124.1575
Abstract
Energy-angle characteristics of neutral p mesons produced in interactions of 24-Gev protons with carbon nuclei have been studied by detecting the γ rays from π0 decay in a small emulsion stack. The energy of the γ rays was obtained from the opening angles of electron-positron pairs, using a special measuring criterion which was justified by making multiple scattering measurements on a fraction of the pairs. The average energy of neutral π mesons in the c.m. system has been found to be 470±35 Mev. The most probable value of their transverse momentum is 230 Mev/c and the average value is 398±25 Mev/c. It is concluded that at 24 Gev the fraction of the available energy in the c.m. system spent in pion production is 0.43±0.07.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 36238 |
| Deposited On: | 02 Jun 2011 14:47 |
| Last Modified: | 02 Jun 2011 14:47 |
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