MULTIPLE MESON PRODUCTION BY PHOTONS IN HYDROGEN
The analysis of 235 events of double meson production by photons with energy up to 1.1 Bev (reaction gamma + p yields p + pi /sup +/ + pi /sup -/ ) observed in a H/sub 2/ diffusion cloud chamber produced the following results. The cross section rises rapidly at about 500 Mev to a value of approximately 70 mu b. The angular, momentum, and Q distributions of the reaction products cannot be satisfactorily accounted for either by a pure statistical model, by a pure isobaric state model, or by a model assuming interaction of the incoming photon with the meson cloud of the proton, leading to pi - pi interaction. The observation of 14 cases of the reactions gamma + p yields p + pi /sup +/ + pi /sup -/ + pi /sup 0/ and gamma + p yields n + pi /sup +/ + pi /sup +/ + pi /sup -/ suggests that the combined cross section for these reactions is about 10 mu b between 700 and 1000 Mev. (auth)
- Research Organization:
- Cornell Univ., Ithaca, N.Y.
- NSA Number:
- NSA-14-022318
- OSTI ID:
- 4171323
- Journal Information:
- Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Vol. Vol: 119; Other Information: Orig. Receipt Date: 31-DEC-60
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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