Lakin, W.L.
PI- P --> RHO- P
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A SPARK CHAMBER MEASUREMENT OF THE REACTIONS PI+- P ---> RHO+- P AT 15-GEV/C

Pratt, J.C. ; Kaune, W.T. ; Lakin, W.L. ; et al.
Phys.Lett.B 41 (1972) 383, 1972.
Inspire Record 73430 DOI 10.17182/hepdata.28236

A new method, using spark chambers, for the study of the reactions π ± + p → ϱ ± + p is described. The charged pion and both γ rays from the π ± decay are detected. Differential and integrated cross sections σ π + =50 ± 9 μ b, σ π − =47 ± 9 μ b) for 0.0 ⩽| t |⩽1. (GeV/ c ) 2 and a laboratory momentum ( p Lab ) of 15 GeV/c are presented. The momentum dependence of σ γ ± is well fitted from 2.7 to 16 GeV/c by σ = K p Lab − with n γ + = 1.80 ± 0.80 and n γ − = 1.87 ± 0.15.

2 data tables
Table 1

Axis error includes +- 17/17 contribution.

Table 2

Axis error includes +- 17/17 contribution.