PARTICLE MULTIPLICITIES AND MULTIPLICITY CORRELATIONS OBSERVED IN pi p COLLISIONS WITH HE NE NUCLEI IN A STREAMER CHAMBER

Allen, R.C. ; Kanofsky, A.S. ; Hasan, M.A. ;
Phys.Rev.C 27 (1983) 670-681, 1983.
Inspire Record 8194 DOI 10.17182/hepdata.38068

We have measured the multiplicities of particles emitted in collisions between π's and p's of 1.5 to 2.5 GeV/c momentum with He and Ne nuclei in a streamer chamber. The chamber gas served as the target as well as the detecting medium. Because of the low density and 4π solid angle of the detector, it was possible to detect nuclear fragments with energies less than 5 MeV, and to essentially count all the particles emitted in a collision. Event distributions as a function of track multiplicity were obtained as well as correlated event distributions. NUCLEAR REACTIONS He (proton or pion, fragments and pions), Ne (proton or pion, fragments and pions), E=1.5, 2.0, 2.5 BeV/c; streamer chamber gas used as target with fragment energies as low as 5 MeV. Measured multiplicities and correlations of produced particle types.

7 data tables

CHARGED+ means PI+ or fast P, FRAGT - low momentum P or DEUT,TRIT,HE3,HE4, CHARGED- mostly PI-.

CHARGED+ means PI+ or fast P, FRAGT - low momentum P or DEUT,TRIT,HE3,HE4, CHARGED- mostly PI-.

CHARGED+ means PI+ or fast P, FRAGT - low momentum P or DEUT,TRIT,HE3,HE4, CHARGED- mostly PI-.

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Comparison of inclusive inelastic scattering of pi+ and pi- from nuclei at 100-MeV

Rosenzweig, D.P. ; Amann, J.F. ; Boudrie, R.L. ; et al.
Phys.Rev.C 46 (1992) 1968-1973, 1992.
Inspire Record 348116 DOI 10.17182/hepdata.26086

Inclusive inelastic scattering spectra from C, Ca, Sn, and Pb were measured for 100-MeV pions at a number of angles. The observed ratios of the π− and π+ total inelastic cross sections for the different targets are explained in terms of a simple model which is based on the assumption that the scattered pion has interacted with only one nucleon. This model also accounts for the ratio between normal and charge-exchange scattering cross sections at 100 MeV.

2 data tables

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