HEPData Search

The inclusive production of Ξ + and Ξ − hyperons is investigated in K + p interactions at 32 GeV/ c . The production cross sections, 36.4±9 μ b for the Ξ + and 6.5±3 μ b for the Ξ − , are rising strongly with energy similarly to Λ and Λ production in K + p interactions. The Ξ + are produced preferentially in the forward direction in the c.m.s., while the Ξ − are produced dominantly backwards. The average transverse momenta 〈p T 〉 Ξ + =0.73±0.09 GeV /c and 〈 p T 〉 Ξ − =0.58±0.09 GeV/ c .

22 data tables

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MEASUREMENT OF THE CROSS-SECTION d**2 sigma / d p d OMEGA IN THE REACTION p A ---> anti-p X AT 10-GeV/c PROTON MOMENTA IN Be, Al, Cu AND Au NUCLEI

Barabash, L.Z. ; Egorov, O.K. ; Kuzichev, V.F. ; et al.

ITEP-48-1980, 1980.

Inspire Record 154929 DOI 10.17182/hepdata.40389

None

2 data tables

Table 1

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INVESTIGATION OF THE CHARGE EXCHANGE REACTION H-3 p ---> He-3 n AT 2.5-GeV/c TRITON MOMENTUM

Blinov, A.V. ; Chuvilo, I.V. ; Ergakov, V.A. ; et al.

J.Phys.G 8 (1982) 223, 1982.

Inspire Record 154213 DOI 10.17182/hepdata.40232

The differential cross sections d sigma /dt of the reactions 3H+p to 3He+n and 3H+p to 3H+p at a triton momentum of 2.5 GeV/c (equivalent to a proton kinetic energy Tp=318 MeV) have been measured. The ITEP 80 cm hydrogen bubble chamber was exposed to a 2.5 GeV/c separated triton beam. 2350 events of the reaction 3H(p,n)3He and 2574 events of the reaction 3H(p,p)3H were selected and analysed. Calculations performed in the framework of the multiple scattering theory taking the spin-isospin structure of the NN amplitude into account fit the data very well and show the high sensitivity of the charge-exchange cross section to the double spin-flip NN amplitudes.

2 data tables

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INVESTIGATION ON THE REACTION t p ---> p d n AT 2.5-GeV/c TRITON MOMENTUM

Chuvilo, I.V. ; Ergakov, V.A. ; Grechko, V.E. ; et al.

Phys.Lett.B 91 (1980) 349-352, 1980.

Inspire Record 154345 DOI 10.17182/hepdata.40230

The reaction of tp → pdn in 4π geometry was investigated by exposition of an 80 cm liquid hydrogen bubble chamber to a t-nucleus beam of 2.5 GeV/ c momentum. The main characteristics of the reaction are described reasonably well by the pole approximation in the absolute normalization and without free parameters.

7 data tables

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