A study of n-p annihilations between 0.5 and 0.8 GeV/c

Banerjee, S. ; Ganguli, S. N. ; Gurtu, A. ; Malhotra, P. K. ; Raghavan, R. ; Subramanian, A. ; Sudhakar, K. ; Agarwal, M. M. ; Chatterjee, T. K. ; Kohli, J. M. ; et., al (1986) A study of n-p annihilations between 0.5 and 0.8 GeV/c Zeitschrift für Physik C Particles and Fields, 32 (2). pp. 163-170. ISSN 0170-9739

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Related URL: http://dx.doi.org/10.1007/BF01552492


A study of n-p annihilations with n- momentum between 0.5 and 0.8 GeV/c is presented. The search for s-channel resonances in n-p annihilations reveal possibly two narrow structures in the odd pions final state. Inclusive ρ0 and f0 cross sections in n-p annihilations have been estimated to be 9.0±0.6 mb and 3.4±0.6 mb respectively. Longitudinal and transverse momentum distributions for inclusive ρ0 production have been presented. A study of resonance production in exclusive final state reveals ρ0 production to be dominant in the odd pion final states and ρ+, ω0 productions are most important for the even pion final states. The π+ π- effective mass spectra in the backward and the forward directions in the n-p c.m. system have been examined for a possible ρ-ω interference effect.

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