Cox, G.F.
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Study of the reaction anti-p n ---> anti-p pi- p at 7.0 gev/c

Antich, P. ; Carson, R. ; Chien, C.Y. ; et al.
Nucl.Phys.B 43 (1972) 45-61, 1972.
Inspire Record 75088 DOI 10.17182/hepdata.32868

From a 3.5 ev/μb exposure of the BNL 80 inch chamber filled with deuterium to a 7.0 GeV/ c p beam we obtained 664 events in the channel p n → p π − p . The channel cross section is (1270 ± 110 60 ) μb. The final state is dominated by Δ (1230) production. The experimental data is well described by a one-pion exchange model with off-mass shell corrections.

1 data table
Table 1

No description provided.


Resonance production in k- neutron interactions at k- momenta of 1.45 and 1.65 gev/c

Colley, D.C. ; Cox, G.F. ; Eastwood, D. ; et al.
Nucl.Phys.B 31 (1971) 61-85, 1971.
Inspire Record 68588 DOI 10.17182/hepdata.33257

Results are reported on K − -neutron interactions at c.m. energies near 2 GeV. The interactions are dominated by strong production of hyperon resonances, particularly Σ(1385), Λ(1405) and Λ(1520). Production cross sections and angular distributions are given for the Σ(1385), Λ(1405) and Λ(1520) and branching fractions to decay modes observed in the experiment are given for Σ(1385) and Λ(1520). The strong energy dependence of some features of the data suggests that s -channel effects are dominant.

6 data tables
Table 1

No description provided.

Table 2

RESONANCE CROSS SECTIONS FOR <K- PI- P> FINAL STATE.

Table 3

RESONANCE CROSS SECTIONS FOR <AK0 PI- N> FINAL STATE.

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Coherent k- d interactions at 12.6 gev/c

Denegri, D. ; Antich, P. ; Callahan, A. ; et al.
Nucl.Phys.B 28 (1971) 13-33, 1971.
Inspire Record 68705 DOI 10.17182/hepdata.33587

We report on coherent interactions in a 2.5 event/μb K − d exposure. The predominant channel studied is K − d → K − π + gp − d (415 events). We find strong Q- and L-production in the (K ππ ) system. The production mechanism determines I = 1 2 for both enhancements and a spin-parity in the series 0 − , 1 + ,2 − … . A spin-parity analysis shows the Q to be a 1 + object, while the L is 1 + or 2 − , although a higher spin cannot be excluded. The cross sections for Q and L production and other final states are presented.

1 data table
Table 1

CORRECTED FOR UNSEEN RECOIL DEUTERONS BY EXTRAPOLATION. (UNCORRECTED CROSS SECTIONS ARE THOSE OBSERVED WITH P(DEUT) > 140 MEV/C).