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

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STUDY OF K*- (890) AND K*- (1430) PRODUCTION IN THE REACTION K- P ---> ANTI-K0 PI- P AT 100-GEV/C AND 175-GEV/C

Bromberg, C. ; Dickey, J. ; Fox, G. ; et al.
Phys.Rev.D 29 (1984) 2469-2475, 1984.
Inspire Record 205297 DOI 10.17182/hepdata.23731

The reaction K−p→K¯0π−p has been studied at 100 and 175 GeV/c and the reaction π−p→K0K−p at 50, 100, and 175 GeV/c. Both reactions are dominated by production of resonances, K*(890), K*(1430) and A2(1320), A2(2040), respectively. Production cross sections, t distributions, and decay-angular distributions are studied. Isoscalar natural-parity exchange is dominant. The energy dependence of the K* and A2 resonance production between 10 and 175 GeV/c is well described by a Regge-pole model. Our data on A2 corrects that in an earlier paper.

8 data tables

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STUDY OF A2 PRODUCTION IN THE REACTION PI- P ---> K0 K- P AT 50-GEV/C, 100-GEV/C, AND 175-GEV/C

Bromberg, C. ; Dickey, J.o. ; Fox, G. ; et al.
Phys.Rev.D 27 (1983) 1-11, 1983.
Inspire Record 191493 DOI 10.17182/hepdata.23901

The reaction π−p→K0K−p has been measured from 50 to 175 GeV/c. The production characteristics of the A2 have been analyzed. We find spin and t dependence similar to lower energies, but the cross section falls rapidly with energy. In a Regge description of π−p→A2−p our data imply a rather small Pomeron-exchange component.

6 data tables

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RAW CROSS SECTION WITHIN MASS CUTS.

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K+- proton scattering from 200 to 600 MeV/c

Burnstein, R.A. ; LeFebvre, J.J. ; Petersen, D.V. ; et al.
Phys.Rev.D 10 (1974) 2767-2777, 1974.
Inspire Record 97215 DOI 10.17182/hepdata.24945

The differential cross section for K+p elastic scattering has been measured at several momenta in the interval 200-600 MeV/c within a hydrogen bubble chamber. The data have been fitted with a partial-wave analysis. We obtain solutions which are dominated over the entire momentum range by s-wave scattering, with constructive interference between the nuclear and Coulomb scattering. The effective-range approximation with only s waves yields a K+p scattering length a=−0.314±0.007 F and an effective range r0=0.36±0.007 F. The measured total inelastic cross section at 588 MeV/c is 11−5+9 μb.

5 data tables

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