PI+ P --> PI2(1680)+ P
[2.0, 5.0]
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PARTIAL WAVE ANALYSIS OF THE K+ PI+ K- SYSTEM SEEN IN THE REACTION PI+ P ---> K+ PI+ K- P AT 11.46-GeV/c

Leedom, I.D. ; DeBonte, R.J. ; Gaidos, J.A. ; et al.
Phys.Rev.D 27 (1983) 1426, 1983.
Inspire Record 194990 DOI 10.17182/hepdata.23837

We present results of a hybrid-bubble-chamber experiment examining the reaction π+p→π+pK+K− at an incident momentum of 11.46 GeV/c. The total cross section for this channel is determined to be 87.2±6.4 μb. A partial-wave analysis of the K+π+K− system reveals no unambiguous evidence of resonant activity, although mass enhancements are noted in the JP=0− κ¯K+ (S wave), JP=2− fπ (S wave), and JP=2−, K¯*0(892)K+ (P wave). This is the first published report of the relative phases of the waves seen in this reaction. We comment on the influence this channel may have on A1 and A3 production.

4 data tables
Table 1

NOTE ERROR IN ABSTRACT IS +- 6.4 BUT TEXT QUOTES +- 9.3. FIGURE LOOKS CLOSER TO +- 6.4.

Table 2

No description provided.

Table 3

No description provided.

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Analysis of the Reaction pi+ p --> p pi+ pi+ pi- at the Momentum of 3.1-GeV/c

Beketov, G.V. ; Ergakov, V.A. ; Zombkovsky, S.M. ; et al.
Yad.Fiz. 28 (1978) 1266-1274, 1978.
Inspire Record 136688 DOI 10.17182/hepdata.18986

None

2 data tables
Table 1

FROM MAXIMUM LIKELIHOOD FIT TO PARAMETRIZATION OF RESONANCE PRODUCTION CHANNELS.

Table 2

No description provided.


Study of four-prong events in pi+ p interactions at 3.5 gev/c

Ronat, E.E. ; Eisenberg, Y. ; Lyons, L. ; et al.
Nucl.Phys.B 38 (1972) 20-36, 1972.
Inspire Record 75333 DOI 10.17182/hepdata.32958

The non-strange four-prong events of π + p interactions at 3.5 GeV/ c are studied. Cross sections are calculated for all resonance productions in the channels π + p → p π + π + π − ( σ T = 3.18 ± 0.13 mb) and π + p → p π + π + π − π o ( σ T = 4.03 ± 0.16 mb). The dominant two body reactions Δ ++ ϱ o and Δ ++ ω o are investigated in detail, and production and decay distributions are presented as well as joint decay density matrix elements and joint correlation terms. The Δ ++ ϱ o reaction is compared to predictions of OPE with absorption and the Δ ++ ω o is compared to rho-exchange with sharp cutoff.

7 data tables
Table 1

FOUR-PRONG, NON-STRANGE CROSS SECTIONS. SYSTEMATIC ERROR INCLUDED.

Table 2

BREIT-WIGNER RESONANCE FITS, ALLOWING FOR PHASE SPACE AND RELEVANT REFLECTIONS, TO <P PI+ PI+ PI-> FINAL STATE.

Table 3

BREIT-WIGNER RESONANCE FITS, ALLOWING FOR PHASE SPACE AND RELEVANT REFLECTIONS, TO <P PI+ PI+ PI- PI0> FINAL STATE.

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