DIFFERENTIAL $pi$$-$$pi$ CROSS SECTIONS: EVIDENCE FOR THE SPIN OF THE /rho/ MESON
Journal Article
·
· Phys. Rev. Letters
Data on the reaction pi /sup +/ + p yields pi /sup +/ + p + pi /sup 0/ are reported. The data consist of a sample of 1684 events in which the proton recoiled at a momeatum bctween l00 and 400 Mev/c. Existence of a pi - pi resonance at a total mass of approximates 725 Mev is confirmed both by the extrapolation method and by using physical-region plots. Exploitation of the dominance of the pi - pi resonance effect in the physical region produces direct evidence, through angular distributions, that the resonance has spin 1. (L.N.N.)
- Research Organization:
- Univ. of California, Berkeley
- NSA Number:
- NSA-16-006985
- OSTI ID:
- 4812321
- Journal Information:
- Phys. Rev. Letters, Journal Name: Phys. Rev. Letters Vol. Vol: 8
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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