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Study of quasiexclusive neutral meson production in p N interactions at E(p) = 70-GeV in the deep fragmentation region.

The SPHINX collaboration Golovkin, S.V. ; Kozhevnikov, A.P. ; Kubarovsky, V.P. ; et al.

Z.Phys.A 359 (1997) 327-335, 1997.

Inspire Record 445405 DOI 10.17182/hepdata.40690

Quasiexclusive neutral meson production in pN-interactions is studied in experiments with the SPHINX facility operating in a proton beam from the IHEP accelerator (Ep=70 GeV). The cross sections and the parameters of the differential distributions for πo, ω, η and Ko production in the deep fragmentation region (xF > 0.79 ÷ 0.86) are presented. The results show that such proton quasiexclusive reactions with baryon exchange may be promising in searches for exotic mesons.

8 data tables

Table 1

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Table 2

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Table 3

Data on the graph only.

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Exclusive rho0 and phi muoproduction at large q**2

The New Muon collaboration Arneodo, M. ; Arvidson, A. ; Badełek, B. ; et al.

Nucl.Phys.B 429 (1994) 503-529, 1994.

Inspire Record 380946 DOI 10.17182/hepdata.48319

Exclusive ϱ 0 and φ muoproduction on deuterium, carbon and calcium has been studied in the kinematic range 2< Q 2 < 25 GeV 2 and 40 < ν < 180GeV. We discuss the Q 2 dependence of the cross sections, the transverse momentum distributions for the vector mesons, the decay angular distributions and, in the case of the ϱ 0 , nuclear effects. The data for 0 production are compatible with a diffractive mechanism. The distinct features of φ production are a smaller cross section and less steep p t 2 distributions than those for the 0 mesons.

7 data tables

Table 1

No description provided.

Table 2

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Table 3

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