Measurement of the Recoil Proton Polarization in Elastic pi+p Scattering at Tpi=410and492 MeV

Bareyre, P. ; Bricman, C. ; Longo, M.J. ; et al.
Phys.Rev.Lett. 14 (1965) 198-201, 1965.
Inspire Record 944925 DOI 10.17182/hepdata.21847
1 data table match query

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Measurement of the Recoil Proton Polarization in Elastic $\pi^-p$ Scattering at $T_\pi=410$ and 492 MeV

Bareyre, P. ; Bricman, C. ; Longo, M.J. ; et al.
Phys.Rev.Lett. 14 (1965) 878-880, 1965.
Inspire Record 945162 DOI 10.17182/hepdata.21824
1 data table match query

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Polarized target asymmetry in pion proton bremsstrahlung at 298-MeV

Bosshard, A. ; Amsler, Claude ; Bistirlich, J.A. ; et al.
Phys.Rev.Lett. 64 (1990) 2619-2622, 1990.
Inspire Record 303404 DOI 10.17182/hepdata.22827

First data are presented for the polarized-target asymmetry in the reaction π+p→π+pγ at an incident pion energy of 298 MeV. The geometry was chosen to maximize the sensitivity to the radiation of the magnetic dipole moment μΔ of the Δ++(1232 MeV). A fit of the asymmetry in the cross section d5σ/dΩπ dΩγ dk as a function of the photon energy k to predictions from a recent isobar-model calculation with μΔ as the only free parameter yields μΔ=1.64(±0.19expΔ,±0.14 theor)μp. Though this value agrees with bag-model corrections to the SU(6) prediction μΔ=2μp, further clarifications on the model dependence of the result are needed, in particular since the isobar model fails to describe both the cross section and the asymmetry at the highest photon energies.

2 data tables match query

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Measurement of Pion Proton Bremsstrahlung for Pions at 299-{MeV}

Meyer, C.A. ; Amsler, Claude ; Bosshard, A. ; et al.
Phys.Rev.D 38 (1988) 754-767, 1988.
Inspire Record 268867 DOI 10.17182/hepdata.23271

We have measured the fivefold differential cross section d5σ/dΩπdΩγdEγ for the process π+p→π+pγ with incident pions of energy 299 MeV. The angular regions for the outgoing pions (55°≤θlabπ≤95°), and photons (θlabγ=241°±10°) in coplanar geometry are selected to maximize the sensitivity to the radiation from the magnetic dipole moment of the Δ++(1232) resonance. At low photon energies, the data agree with the soft-photon approximation to pion-proton bremsstrahlung. At forward pion angles the data agree with older data and with the latest theoretical calculations for 2.3μp≤μΔ≤3.3μp. However at more backward pion angles where no data existed, the predictions fail.

2 data tables match query

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MEASUREMENT OF THE ASYMMETRY PARAMETER A IN PI- P ELASTIC AND CHARGE EXCHANGE SCATTERING AT PION ENERGIES T (PI) = 98-MEV, 238-MEV, 292-MEV, AND 310-MEV

Alder, J.c. ; Joseph, C. ; Perroud, J.p. ; et al.
Phys.Rev.D 27 (1983) 1040-1055, 1983.
Inspire Record 192365 DOI 10.17182/hepdata.23839

The asymmetry parameter A in π−p elastic scattering at incident pion laboratory kinetic energies Tπ of 98, 238, and 2922 MeV and in π−p charge-exchange scattering π−p→π0n at Tπ=238, 292, and 310 MeV have been measured over a wide range of scattering angles (typically from about 60° to 130° c.m.) with a polarized proton target. The data have been used in an energy-independent phase-shift analysis to improve the precision of the pion-nucleon phase shifts, to set new limits on violation of isospin conservation in the pion-nucleon S wave, and to confirm significant charge dependence in the P32 wave.

3 data tables match query

Axis error includes +- 0.0/0.0 contribution (?////BACKGROUND SUBTRACTION SMALL).

Axis error includes +- 5/5 contribution (BACKGROUND SUBTRACTION).

Axis error includes +- 5/5 contribution (BACKGROUND SUBTRACTION).


Measurement of the Polarization Parameter in $\pi^- p$ Scattering at 291.5-{MeV} and 308-{MeV}

Alder, J.C. ; Perroud, J.P. ; Tran, M.T. ; et al.
Lett.Nuovo Cim. 23 (1978) 381, 1978.
Inspire Record 130236 DOI 10.17182/hepdata.37401
2 data tables match query

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Pi- p ELASTIC SCATTERING IN THE CMS ENERGY RANGE 1400-MeV TO 2000-MeV

Brody, A.D. ; Cashmore, R.J. ; Kernan, A. ; et al.
Phys.Rev.D 3 (1971) 2619, 1971.
Inspire Record 60976 DOI 10.17182/hepdata.4110

Total and differential cross sections for π−p elastic scattering are presented at 35 energies between 1400 and 2000 MeV.

1 data table match query

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