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Polarization of Lambda Hyperons from Photoproduction in Hydrogen

Thom, H. ; Gabathuler, E. ; Jones, D. ; et al.
Phys.Rev.Lett. 11 (1963) 433-435, 1963.
Inspire Record 48006 DOI 10.17182/hepdata.21857

None

1 data table
Table 1

No description provided.


Polarization in pi--p Scattering between 500 and 940 Mev

Beall, E.F. ; Cork, B. ; Murphy, P.G. ; et al.
Phys.Rev. 126 (1962) 1554-1560, 1962.
Inspire Record 944982 DOI 10.17182/hepdata.26812

A graphite-plate spark chamber has been used to analyze the polarization of protons recoiling from π−−p scattering. The observations were made at 90° (c.m. system) pion scattering angle for seven incident pion energies between 500 and 940 Mev, at 120° or 135° for five energies in this interval, and also at 75° for 500 Mev only. The results are compared with predictions of several models used to explain the maxima in the π−−p scattering cross section. Qualitative arguments show that the energy intervals between these maxima are not completely dominated by neighboring single-state resonances. Phase shifts found to be large in scattering also seem to be large in polarization.

10 data tables
Table 1

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Table 2

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Table 3

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Mesure de la polarisation du proton de recul dans la diffusion élastique pi+- p entre 550 et 1025 MeV

Yonnet, Jacques ;
CNRS-A-O-4171, 1970.
Inspire Record 1187688 DOI 10.17182/hepdata.1304

None

6 data tables
Table 1

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Table 2

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Table 3

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Pi0 and pi+ Production with Polarized Photons in the Resonance Region

Abrahamian, L.O. ; Avakian, R.O. ; Aganyants, Aleksandr O. ; et al.
EFI-136-75-YEREVAN, 1975.
Inspire Record 100164 DOI 10.17182/hepdata.43767

None

2 data tables
Table 1

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

Table 2

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


$\Lambda^{0}$-polarization from the reaction $\gamma+p = \Lambda^{0}+K^{+}$ in the energy range (950÷1050)MeV

Grilli, M. ; Mezzetti, L. ; Nigro, M. ; et al.
Nuovo Cim. 38 (1965) 1467-1488, 1965.
Inspire Record 1185245 DOI 10.17182/hepdata.37616

We report some measurements of the Λ polarization in the reaction Υ+P=K+Λ+0, for 950<Eγ<1050 MeV. In Sects. 1 and 2 the experimental apparatus and the detection techniques used are described. In Sect.3 we discuss our results and those of other groups and compare them with the theoretical predictions.

1 data table
Table 1

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


Polarization measurements in $π^−$p charge exchange scattering from 618 MeV/c to 2267 MeV/c

Brown, Robert M. ; Clark, A.G. ; Davies, J.K. ; et al.
AIP Conf.Proc. 35 (1976) 189-197, 1976.
Inspire Record 117337 DOI 10.17182/hepdata.76257

Results are presented of measurements of the polarisation parameter for the reaction π−p→π°n : π°→γγ at 22 incident momenta in the resonance region. These results are generally in agreement with those of previous measurements and in qualitative agreement with predictions of phase shift analyses.

22 data tables
Table 1

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Table 2

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Table 3

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Polarisation of recoil neutrons from single-pion production off protons in the resonance region

Hahn, U. ; Wallraff, W. ; Weingarten, W. ;
521, 1973.
Inspire Record 1501541 DOI 10.17182/hepdata.76249

None

1 data table
Table 1

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


Study of the anti-K0 p --> Lambda pi+, Sigma0 pi+ Reactions in the Energy Range of 1.5-GeV to 2.3-GeV

Burkhardt, E. ; Pfeiffer, A. ; Putzer, A. ; et al.
Nucl.Phys.B 99 (1975) 365-375, 1975.
Inspire Record 98822 DOI 10.17182/hepdata.31832

The total and differential cross sections of the K¯0p→Λπ+ and K¯0p→∑0π+ reactions have been measured in the centre-of-mass energy range of l.5 to 2.3 GeV. Using our K¯0p→∑0π+ data as well as available cross-section data of isospin related channels, we have calculated the total I=0K¯N→∑π cross section as function of energy. The results are compared with predictions obtained from K¯N phase-shift analyses.

13 data tables
Table 1

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Table 2

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Table 3

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The Polarized Target Asymmetry for Neutral Pion Photoproduction from Protons in the Photon Energy Range 0.7-GeV-1.45-GeV

Booth, P.S.L. ; Carroll, L.J. ; Court, G.R. ; et al.
Nucl.Phys.B 121 (1977) 45-57, 1977.
Inspire Record 111591 DOI 10.17182/hepdata.35454

Measurements have been made of the target asymmetry parameter for photoproduction of π 0 mesons from protons, using a butanol polarised target with a 3 He cryostat. Results were obtained at 14 incident photon energies between 0.7 GeV and 1.45 GeV over an angular range ∼40° to 145° c.m. The recent analysis of Barbour and Crawford provides a very good fit to the data.

14 data tables
Table 1

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Table 2

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Polarization Measurements in pi+ p Elastic Scattering from 0.6-GeV/c to 2.65-GeV/c

Martin, J.F. ; Sleeman, J.C. ; Brown, Robert M. ; et al.
Nucl.Phys.B 89 (1975) 253-286, 1975.
Inspire Record 90870 DOI 10.17182/hepdata.6743

This paper presents the results of a counter experiment at the Rutherford Laboratory, in which the polarization parameter in π + p elastic scattering was measured. Data were taken at 64 incident pion momenta between 0.60 and 2.65 GeV/ c . The results are found to be in generally good agreement with those of other experiments, and have substantially higher precision at many momenta.

128 data tables
Table 1

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