In the reaction of x- dissociation into a p+p-z'- system on a Cu nucleus, a clear enhancement in the poz- effective-mass distribution has been observed in the 1;2( 1680) region. Partial-wave analysis shows that this enhancement is due to the P-wave and has a resonant nature. Coherent and incoherent cross-sections for this enhancement have been measured.
Direct Observation of PI-2(1680) in the RHO-0-PI-System / Y.M. Antipov, V.A. Batarin, V.A. Bessubov, N.P. Budanov, Y.P. Gorin, D.S. Denisov, D.V. Eroscin, V.G. Kartasceva, V.A. Medovikov, A.I. Petrukhin, S.A. Polovnikov, D.A. Stoyanova, M.S. Bilenki, A.V. Viscnevski, I.A. Golutvin, Y.A. Gornushkin, V.A. Sviridov, P.A. Kulinich, A.A. Nozdrin, A.G. Olshevski, J. Sedlak, Y.V. Musienko, R.V. Pirtzkhalava, V.N. Roinishvili, P.L. Frabetti, A.M. Cassata, F. Palombo. - In: EUROPHYSICS LETTERS. - ISSN 0295-5075. - 4:4(1987), pp. 403-408.
Direct Observation of PI-2(1680) in the RHO-0-PI-System
F. PalomboUltimo
1987
Abstract
In the reaction of x- dissociation into a p+p-z'- system on a Cu nucleus, a clear enhancement in the poz- effective-mass distribution has been observed in the 1;2( 1680) region. Partial-wave analysis shows that this enhancement is due to the P-wave and has a resonant nature. Coherent and incoherent cross-sections for this enhancement have been measured.
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