Robinson, D.K.
DSIG/DOMEGA
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$pi^- -- p$ interactions at 905, 960, and 1100 {MeV}

Pickup, E. ; Robinson, D.K. ; Salant, E.O. ; et al.
Phys.Rev. 132 (1963) 1819-1830, 1963.
Inspire Record 44761 DOI 10.17182/hepdata.75462

Single-pion production in π−−p interactions has been studied at 905, 960, and 1100 MeV. Comparison with the isobar and one-pion-exchange (OPE) mechanisms of pion production shows that, below 1 BeV, pion production occurs primarily through the formation of an intermediate excited state of the nucleon (isobar), while at higher energies the influence of the ρ resonance in the ππ system becomes increasingly important. There is some evidence for an I=2 state in the events at the lower energies.

2 data tables match query
Table 1

No description provided.

Table 2

No description provided.


LOW-ENERGY ANTI-PROTON NUCLEUS ELASTIC SCATTERING

Ashford, V. ; Sainio, M.E. ; Sakitt, M. ; et al.
Phys.Rev.C 30 (1984) 1080-1083, 1984.
Inspire Record 205409 DOI 10.17182/hepdata.50265

We have studied antiproton elastic scattering on Al, Cu, and Pb for two incident momenta: 514 and 633 MeV/c. The angular region covered extends from the forward Coulomb region to approximately 30 deg. The differential cross sections were analyzed using a nonrelativistic optical potential of the Woods-Saxon form, with the imaginary shape taken from electron scattering data. We obtained fits for the strengths of the real and imaginary parts of the potential, (V0, W0), of (51, 116) MeV for Al, (12, 71) MeV for Cu, and (12, 278) MeV for Pb.

1 data table match query
Table 1

No description provided.


LOW-ENERGY ANTI-PROTON INTERACTION STUDIES AT BROOKHAVEN

Sakitt, M. ; Ashford, V. ; Sainio, M.E. ; et al.
Conf.Proc.C 840709 (1984) 205, 1984.
Inspire Record 209026 DOI 10.17182/hepdata.50261

None

2 data tables match query
Table 1

TYPICAL QUASIELASTIC ANGULAR DISTRIBUTION FOR NUCLEAR TARGET. OTHER DATA ARE IN ASHFORD ET AL (1985-PHYS REV C).

Table 3

No description provided.


An Improved Measurement of Electroweak Couplings From $e^+ e^- \to e^+ e^-$ and $e^+ e^- \to \mu^+ \mu^-$

The TASSO collaboration Althoff, M. ; Braunschweig, W. ; Kirschfink, F.J. ; et al.
Z.Phys.C 22 (1984) 13, 1984.
Inspire Record 193787 DOI 10.17182/hepdata.2111

We present an analysis of electroweak leptonic couplings from high statistics experiments on Bhabha scattering and μ pair production at an energy of 34.5 GeV. The forward-backward charge asymmetry of the μ pairs was measured to be −0.098±0.023±0.005. The data were found to agree well with the standard theory of electroweak interaction giving sin2θW=0.27±0.07. The leptonic weak couplings were determined to begv=0.000±0.170 andgA=−0.481±0.055. The data were also used to investigate a class of composite models for leptons.

1 data table match query
Table 1

No description provided.