Dip structures in pi+ p ---> rho+ p at 1.55-1.84 gev/c

Williamson, Y. ; Fung, S.Y. ; Kernan, A. ; et al.
Phys.Rev.Lett. 29 (1972) 1353-1356, 1972.
Inspire Record 75422 DOI 10.17182/hepdata.21440

Results of a high-statistics study of π++p→ρ++p at 1.55-1.84 GeVc are consistent with dominance of π and ω exchange close to threshold. A pronounced dip in ρ00sdσdt at −t≃0.4 GeV2 may be attributed to pion exchange with strong absorption.

9 data tables

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Strange-particle production from pi+ p interactions in the center-of-mass energy range 1820 to 2090 mev

Hanson, P. ; Kalmus, G.E. ; Louie, J. ;
Phys.Rev.D 4 (1971) 1296-1308, 1971.
Inspire Record 74874 DOI 10.17182/hepdata.23180

Data at nine π+ momenta are presented in the following three-body final states: Σ+K+π0, Σ+K0π+, Σ0K+π+, ΛK+π+, pK+K¯0. The data consist of cross sections, Dalitz plots, and angular distributions for the quasi-two-body final state Y*+(1385)K+. In the channel Y*+(1385)K+ the production and Y* decay distributions are compared with the predictions of Stodolsky and Sakurai.

3 data tables

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EVENTS ABOVE BACKGROUND - NO FIT.

DATA VALUES TAKEN FROM PDG2 CHEW 73B COMPILATION WHICH READ THEM FROM THE GRAPH AND CONVERTED TO MUB. BACKGROUND NOT SUBTRACTED.


Wide-angle proton-proton elastic scattering from 1.3 to 3.0 gev/c

Williams, D.T. ; Bloodworth, I.J. ; Eisenhandler, E. ; et al.
Nuovo Cim.A 8 (1972) 447-469, 1972.
Inspire Record 78276 DOI 10.17182/hepdata.37468

Differential cross-sections for proton-proton elastic scattering have been measured covering the angular range from 50° to 90° c.m. at twelve incident momenta from 1.3 to 3.0 GeV/c. The angular distributions are quite smooth, but there is evidence of structure in the energy dependence of fixed-angle cross-sections at |t| ∼ 1 (GeV)2.

24 data tables

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Low-momentum antiproton production at the CERN Proton Synchrotron

Kalmus, P.I.P. ; Eisenhandler, E. ; Gibson, W.R ; et al.
CERN-71-25, 1971.
Inspire Record 69690 DOI 10.17182/hepdata.50029

None

2 data tables

proton-beryllium TOTAL cross section ( 278 mb ) was used for normalization.

Proton-beryllium TOTAL (???) cross section ( 278 mb ) was used for normalization.


Additional data in the reaction pi+ p ---> sigma+ k+ at 1.28 and 1.41 gev/c and a test of charge independence in the center-of-mass energy range 1.820 to 2.090 gev

Kalmus, G.E. ; Borreani, G. ; Louie, J. ;
Phys.Rev.D 4 (1971) 916-918, 1971.
Inspire Record 67769 DOI 10.17182/hepdata.23075

Data at two additional π+ momenta (1.28 and 1.41 GeVc) in the reaction π+p→Σ+K+ are presented. Charge independence is tested over the c.m. energy range 1.820 to 2.090 GeV; we used our data for the Σ+K+ channel and published data for the π−p→Σ0K0 and Σ−K+ channels.

2 data tables

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Pi+ p elastic scattering data between 1820- and 2090-mev center-of-mass energy

Kalmus, G.E. ; Michael, W. ; Birge, R.W. ; et al.
Phys.Rev.D 4 (1971) 676-683, 1971.
Inspire Record 67772 DOI 10.17182/hepdata.3686

Total and differential elastic cross-section data are presented at eight incident π+ momenta: 1.28, 1.34, 1.40, 1.43, 1.55, 1.68, 1.77, and 1.84 GeVc. These data were obtained from a hydrogen-bubble-chamber exposure at the Bevatron, and contain more than 65 000 events. This represents more than 1½ times the world's data hitherto available in this energy region.

9 data tables

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