Pion-Proton Scattering
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HIGH-ENERGY pi- p ELASTIC SCATTERING FOR SMALL MOMENTUM TRANSFERS AND FORWARD DISPERSION CALCULATIONS

Saxer, Howard I. ;
UM-03106-19-T, 1964.
Inspire Record 1101967 DOI 10.17182/hepdata.37884

None

4 data tables
Table 1

No description provided.

Table 2

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Table 3

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phi Meson Production in pi- p and K- p Interactions from 3-GeV/c to 6-GeV/c

Ayres, D.S. ; Diebold, R. ; Greene, A.F. ; et al.
Phys.Rev.Lett. 32 (1974) 1463, 1974.
Inspire Record 89228 DOI 10.17182/hepdata.51356

Cross sections and density-matrix elements for π−p→ϕn have been measured for - −t≲1.5 GeV2 at 3, 4, 5, and 6 GeV/c, using the Argonne effective-mass spectrometer to observe the decay ϕ(1019)→K+K−. This is the first observation of the reaction in this energy range. The remarkably flat differential cross section at 4 GeV/c and the strong energy dependence suggest a production mechanism not normally seen at these energies. Data on K−p→ϕΛ and K−p→ϕΣ0 from the same experiment are also presented.

2 data tables
Table 1

No description provided.

Table 2

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Observation of the reaction pi- p ---> anti-p d from 4 to 6 gev/c

Pawlicki, A.J. ; Ayres, D.S. ; Diebold, R. ; et al.
Phys.Rev.Lett. 31 (1973) 665-667, 1973.
Inspire Record 83780 DOI 10.17182/hepdata.21336

Differential cross sections have been measured for the reaction π−p→p¯d. At 4 GeV/c the total cross section is 0.58 ± 0.08 μb with an angular distribution consistent with isotropy. At 5 GeV/c a pronounced forward dip occurs. In contradiction to simple baryon-exchange models, the cross section is found to be an order of magnitude smaller than that for the line-reversed reaction pp→π+d. Upper limits for π−d→p¯t were also found.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


OBSERVATION OF INVERSE ELECTROPRODUCTION OF PIONS ON C-12 NUCLEUS AT 164-MeV PION ENERGY AND DETERMINATION OF F1(v) NUCLEON FORM-FACTOR

Alekseev, G.D. ; Blokhintseva, T.D. ; Karpukhin, V.V. ; et al.
Sov.J.Nucl.Phys. 46 (1987) 801, 1987.
Inspire Record 247868 DOI 10.17182/hepdata.38865

None

3 data tables
Table 1

No description provided.

Table 2

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Table 3

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Measurement of the double-charge-exchange reactions pi- p ---> k+ sigma- and k- p ---> pi+ sigma -

Akerlof, C.W. ; Caldwell, P.K. ; Coffin, C.T. ; et al.
Phys.Rev.Lett. 27 (1971) 539-542, 1971.
Inspire Record 68930 DOI 10.17182/hepdata.21463

The forward cross sections for the reactions π−p→K+Σ− and K−p→π+Σ− have been determined for incident particle momenta in the range of 2.75 to 3.50 GeV/c, and an upper limit was established at 5.00 GeV/c. These measurements show that the double-charge-exchange process π−p→K+Σ− is suppressed by a factor of 1500 at 3 GeV/c relative to the single-exchange reaction π+p→K+Σ+.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Search for peripheral k+ production in pi- p interactions from 2.75 to 10 gev/c

Bashian, A. ; Finocchiaro, G. ; Good, M.L. ; et al.
Phys.Rev.D 4 (1971) 2680-2683, 1971.
Inspire Record 74755 DOI 10.17182/hepdata.23181

Upper limits are presented for the differential cross section in the reactions π−p→K+Σ− and π−p→K+Y*−(1385) with small momentum transfer from π− to K+.

2 data tables
Table 1

EXTRAPOLATED TO T=0 ASSUMING SLOPE IS 5 GEV**-2.

Table 2

ISOTROPIC ANGULAR DISTRIBUTION ASSUMED IN GIVEN T-RANGE.


Interference measurements of the real part of the forward pi- p elastic scattering amplitude at 2.44 and 1.91 gev/c momenta

Vorobev, G.G. ; Govorun, N.N. ; Nomofilov, A.A. ; et al.
Yad.Fiz. 19 (1974) 849-860, 1974.
Inspire Record 95139 DOI 10.17182/hepdata.19252

None

1 data table
Table 1

INCLUDING DATA FROM PREVIOUS WORK OF THIS GROUP.


A Measurement of the Energy Dependence of Elastic $\pi p$ and $p p$ Scattering at Large Angles

Jenkins, K.A. ; Price, L.E. ; Klem, R. ; et al.
Phys.Rev.Lett. 40 (1978) 425, 1978.
Inspire Record 6233 DOI 10.17182/hepdata.3359

We have measured π±p and pp elastic differential cross sections in the range |cosθc.m.|<0.35 for incident momenta from 2 to 9.7 GeV/c for π−p and pp and from 2 to 6.3 GeV/c for π+p. We find that the fixed-c.m.-angle πp differential cross sections cannot be described as simple functions of s. The data are compared to the energy and angular dependence predicted by the constituent model of Gunion, Brodsky, and Blankenbecler.

56 data tables
Table 1

No description provided.

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Fluctuations in Large Angle $\pi^\pm p$ Elastic Scattering

Jenkins, K.A. ; Price, L.E. ; Klem, R. ; et al.
Phys.Rev.Lett. 40 (1978) 429, 1978.
Inspire Record 6210 DOI 10.17182/hepdata.76245

Large-angle π±p elastic-scattering cross sections, measured between 2 and 9 GeV/c in fine intervals of incident momentum and scattering angle, are used to search for cross-section fluctuations occurring for small changes in the center-of-mass energy as suggested by Ericson and Mayer-Kuckuck and by Frautschi. Significant fluctuations are observed.

144 data tables
Table 1

No description provided.

Table 2

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Table 3

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Differential cross-sections in pi- p ---> k0 lambda0 and pi- p ---> k0 sigma0 from 3 to 6 gev/c

Ward, C.E.W. ; Ambats, I. ; Lesnik, A. ; et al.
Phys.Rev.Lett. 31 (1973) 1149-1152, 1973.
Inspire Record 83757 DOI 10.17182/hepdata.21372

We have measured the differential cross sections for the associated-production reactions π−p→K0Λ0 and π−p→K0Σ0 at 3, 4, 5, and 6 GeV/c, with a total of over 40 000 events. We find that both reactions have exponential forward peaks for −t≲0.4 (GeV/c)2, with no indication of forward-direction flattening or turnover; the slopes of the forward peaks show little if any variation with momentum; and the two cross sections are equal within experimental error from −t=1.2 (GeV/c)2 out to at least −t=2.0 (GeV/c)2.

5 data tables
Table 1

INTERCEPT AND SLOPE FROM FIT TO D(SIG)/DT (PRESUMABLY FOR -TP < ABOUT 0.4 GEV**2).

Table 2

No description provided.

Table 3

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