The Real Part of the Forward Elastic Nuclear Amplitude for $p p$, $\bar{p} p$, $\pi^{+} p$, $\pi^{-} p$, $K^{+} p$, and $K^{-} p$ Scattering Between 70-GeV/c and 200-GeV/c

Fajardo, L.A.; Majka, R.; Marx, J.N.; Nemethy, P.; Rosselet, L.; Sandweiss, J.; Schiz, A.; Slaughter, A.J.; Ankenbrandt, C.; Atac, M.

doi:10.1103/PhysRevD.24.46

The Real Part of the Forward Elastic Nuclear Amplitude for $p p$ , $\bar{p} p$ , $\pi^{+} p$ , $\pi^{-} p$ , $K^{+} p$ , and $K^{-} p$ Scattering Between 70-GeV/c and 200-GeV/c

Mar, 1980

82 pages

Published in:

Phys.Rev.D 24 (1981) 46

DOI:

10.1103/PhysRevD.24.46

Report number:

FERMILAB-PUB-80-027-E

Experiments:

FNAL-E-0069

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Abstract: (APS)

We have measured the elastic cross section for pp, p¯p, π+p, π−p, K+p, and K−p scattering at incident momenta of 70, 100, 125, 150, 175, and 200 GeV/c. The range of the four-momentum transfer squared t varied with the beam momentum from 0.0016≤−t≤0.36 (GeV/c)2 at 200 GeV/c to 0.0018≤−t≤0.0625 (GeV/c)2 at 70 GeV/c. The conventional parametrization of the t dependence of the nuclear amplitude by a simple exponential in t was found to be inadequate. An excellent fit to the data was obtained by a parametrization motivated by the additive quark model. Using this parametrization we determined the ratio of the real to the imaginary part of the nuclear amplitude by the Coulomb-interference method.

Note:

Originally FERMILAB-PUB-80-27-EXP

P P: ELASTIC SCATTERING
ELASTIC SCATTERING: P P
ANTI-P P: ELASTIC SCATTERING
ELASTIC SCATTERING: ANTI-P P
PI+ P: ELASTIC SCATTERING
ELASTIC SCATTERING: PI+ P
PI- P: ELASTIC SCATTERING
ELASTIC SCATTERING: PI- P
K+ P: ELASTIC SCATTERING
ELASTIC SCATTERING: K+ P

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