A TABULATION OF PION - NUCLEON FORWARD AMPLITUDES UP TO 30-GeV/c

Carter, A.A. ; Carter, J.R. ;
2006.
Inspire Record 44589 DOI 10.17182/hepdata.75551
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SCATTERING OF 310-Mev POSITIVE PIONS BY PROTONS: EXPERIMENTS AND ANALYSIS

Rogers, Ernest H. ;
PhD Thesis, 1962.
Inspire Record 44325 DOI 10.17182/hepdata.18576
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SCATTERING OF POSITIVE PIONS ON PROTONS AT 310-MEV: RECOIL NUCLEON POLARIZATION AND PHASE SHIFT ANALYSIS

Foote, James Herbert ;
UCRL-9191, 1960.
Inspire Record 44312 DOI 10.17182/hepdata.18619

None

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Elastic Scattering of 300-MeV Negative Pions by Hydrogen

Vasilevskii, I.M. ; Vishnyakov, V.V. ;
Sov.Phys.JETP 11 (1960) 323-326, 1960.
Inspire Record 1407579 DOI 10.17182/hepdata.70213

The elastic scattering of 300-Mev negative pions from hydrogen was studied with the aid of a hodoscopic system with pulse-fed counters. Equation (1) gives the angular distribution for the elastic scattering under the hypothesis that the fundamental contribution to the scattering comes from the S and P waves.

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Elastic Scattering of 240-330 MeV π- Mesons by Hydrogen

Zinov, V.G. ; Korenchenko, S.M. ;
Sov.Phys.JETP 11 (1960) 794, 1960.
Inspire Record 1407580 DOI 10.17182/hepdata.70214

Results of measurements of differential cross sections for the elastic scattering of 11'- mesons of energies 240, 270, 307 and 333 Mev by hydrogen are given.

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Measurement of the polarization parameter P in elastic π+p scattering at 335, 370, and 410 MeV

Bekrenev, V.S. ; Beloglazov, Yu.A. ; Gaditskii, V.G. ; et al.
JETP Lett. 35 (1982) 148, 1982.
Inspire Record 1408359 DOI 10.17182/hepdata.70446

None

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pi-p Elastic Scattering in the Energy Range 300-700 MeV

Ogden, Philip M. ; Hagge, Donald E. ; Helland, Jerome A. ; et al.
Phys.Rev. 137 (1965) B1115-B1125, 1965.
Inspire Record 944964 DOI 10.17182/hepdata.537

Differential cross sections for elastic π−p scattering were measured at eight energies for positive pions and seven energies for negative pions. Energies ranged from 310 to 650 MeV. These measurements were made at the 3-GeV proton synchrotron at Saclay, France. A beam of pions from an internal BeO target was directed into a liquid-hydrogen target. Fifty-one scintillation counters and a matrix-coincidence system were used to measure simultaneously elastic events at 21 angles and charged inelastic events at 78 π−p angle pairs. Events were detected by coincidence of pulses indicating the presence of an incident pion, scattered pion, and recoil proton, and the results were stored in the memory of a pulse-height analyzer. Various corrections were applied to the data and a least-squares fit was made to the results at each energy. The form of the fitting function was a power series in the cosine of the center-of-mass angle of the scattered pion. Integration under the fitted curves gave values for the total elastic cross sections (without charge exchange). The importance of certain angular-momentum states is discussed. The π−−p data are consistent with a D13 resonant state at 600 MeV, but do not necessarily require such a resonant state.

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pi--p Elastic Scattering at 310 MeV: Differential Cross Section and Recoil-Proton Polarization

Rugge, Hugo R. ; Vik, Olav T. ;
Phys.Rev. 129 (1963) 2300-2310, 1963.
Inspire Record 944977 DOI 10.17182/hepdata.623

The differential cross section and recoil-proton polarization in π−−p elastic scattering at 310-MeV incident-pion energy has been measured. The differential cross section was measured at 28 angles in the angular region 25<~θlab<~160 deg. The fractional rms errors were typically 3%. The reaction was observed by counting the scattered pions emerging from a liquid-hydrogen target with a counter telescope consisting of scintillation and Čerenkov counters. Simultaneously, the recoil-proton polarization was measured at four angles in the angular region 114<θc.m.<146 deg. The recoil protons from the liquid-hydrogen target were scattered from a carbon target and the left-right asymmetry was measured. Scintillation counters were used throughout to detect the particles.

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Measurement of the polarization parameter in $\pi^{pm}p$ scattering from 356 to 519 MeV/c

Gorn, W. ;
LBL-1320, 1973.
Inspire Record 923202 DOI 10.17182/hepdata.1150

None

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Polarization of Recoil Protons Produced in Elastic Scattering at 307 Mev

Grigorev, E.L. ; Mitin, N.A. ;
Sov.Phys.JETP 10 (1960) 295-301, 1960.
Inspire Record 1096726 DOI 10.17182/hepdata.12

Results are presented of an investigation of the polarization of recoil protons appearing in elastic 1r+ -p scattering through an angle of 140 ± 8° in the c.m.s. at an energy of 307 ± 5 Mev. A polarization value P 1 = -0.19 ± 0.17 has been deriver from the data on the magnitude of the left-right asymmetry in elastic scattering of recoil protons on photographic emulsion nuclei. Phase shifts satisfying the indicated polarization value and consistent with the differential cross section for elastic scattering of 71"+ -mesons by protons are given by Eq. (1). Problems connected with the use of various phase shift sets for analysis of the experimental data are discussed.

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