Pion-Proton Scattering
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Production of Pion Resonances in pi+ p Interactions.

Alff-Steinberger, C. ; Berley, D. ; Colley, D. ;
Phys.Rev.Lett. 9 (1962) 322, 1962.
Inspire Record 48453 DOI 10.17182/hepdata.19352

None

1 data table
Table 1

No description provided.


Pion-Proton Elastic Scattering from 3 GeV/c to 5 GeV/c

Perl, M.L. ; Jones, Lawrence W. ; Ting, C.C. ;
Phys.Rev. 132 (1963) 1252-1272, 1963.
Inspire Record 46758 DOI 10.17182/hepdata.600

Results of a spark chamber experiment on elastic scattering of pions on protons are presented and analyzed. The processes studied were π+p at 2.92 GeV/c, and π−p at 3.15, 4.13, and 4.95 GeV/c. The data are fitted to an exponential function of the four-momentum transfer, t, in several different ways in attempts to explore systematic energy and angular dependences. No shrinkage of the diffraction peak is seen in comparing the coefficients of a linear exponential fit for |t|<0.4 (GeV/c)2; at larger |t|, however, the cross section falls off with increasing energy. The large-angle differential cross section is examined for structure and is compared with all other large angle scattering data. The results are compared with proton-proton scattering data over the same energy range and substantial differences between the two processes are evident.

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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$\pi^+ p$ Elastic Scatterings at 2.35 and 2.90 BeV/c

Kramer, Paul R. ; Plano, Richard J. ;
PhD Thesis, Rutgers U., Piscataway, 1966.
Inspire Record 1407272 DOI 10.17182/hepdata.69629

None

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


Nonstrange Resonance Production in pi+ p Collisions at 2.35, 2.62, and 2.90 GeV/c

Alff-Steinberger, C. ; Berley, D. ;
Phys.Rev. 145 (1966) 1072, 1966.
Inspire Record 50938 DOI 10.17182/hepdata.26629

In an exposure of the Brookhaven National Laboratory 20-in. hydrogen bubble chamber to a separated π+ beam at π+ momenta of 2.35 BeV/c (center-of-mass energy E*=2.30 BeV), 2.62 BeV/c (E*=2.41 BeV), and 2.90 BeV/c (E*=2.52 BeV), we have observed production of the ω0, ρ0, and η0 mesons. The production of the ω0, ρ0, and η0 is often accompanied by simultaneous production of the N*++. The momentum transfer in ω0 and ρ0 production is characteristic of peripheral collisions and suggests a single-particle exchange for the production mechanism. The decay distributions for the ω0, ρ0, and the ρ+ demonstrate the importance of modifying the single-particle-exchange model to include absorptive effects. An upper limit on the two-π decay of the ω0 is set at 2%. The width of the η0 is found to be less than 10 MeV. Elastic-scattering distributions are presented.

1 data table
Table 1

No description provided.


A study of resonance production and decay and elastic scattering in $\pi^{-}$p two-prong interactions, 2.05 to 3.22 GeV/c

Jacobs, L.D. ;
PhD Thesis, Calif. U. Berkeley, 1966.
Inspire Record 923538 DOI 10.17182/hepdata.18480

None

6 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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MEASUREMENT OF THE POLARIZATION PARAMETER IN THE ELASTIC SCATTERING OF NEGATIVE PIONS BY PROTONS FROM 600-MeV/c TO 3300-MeV/c

Hansroul, Michel ;
UCRL-17263, 1967.
Inspire Record 1087626 DOI 10.17182/hepdata.18573

None

11 data tables
Table 1

No description provided.

Table 2

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Table 3

No description provided.

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Measurement of the polarization in backward angle [pi]+p elastic scattering between 2.50 and 3.75 GeV/c

Sherden, David J. ;
EFI-70-38, 1970.
Inspire Record 1113359 DOI 10.17182/hepdata.43799

None

5 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

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Pi- p elastic scattering near 180 degrees between 600 and 1280 mev/c

Crabb, D.G. ; Keller, R. ; O' Fallon, J.R. ; et al.
Phys.Rev.Lett. 27 (1971) 216-219, 1971.
Inspire Record 68952 DOI 10.17182/hepdata.21460

The differential cross sections for π−p elastic scattering over the angular range 155° to 177° in the center of mass have been measured at 33 incident-pion momenta in the range 600 to 1280 MeV/c. Angular distributions are presented. The extrapolated differential cross sections at 180° show considerable structure, in particular a dip near 1150 MeV/c. In general the near-180° cross sections do not agree with existing phase shift solutions above 1000 MeV/c

48 data tables
Table 1

INTERPOLATED DATA.

Table 2

INTERPOLATED DATA.

Table 3

INTERPOLATED DATA.

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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.