Perl, M.L.
DSIG/DOMEGA
[2.17]
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Elastic scattering of negative pions by protons at 2 BeV/c

Damouth, David E. ; Jones, L.W. ; Perl, M.L. ;
Tech.Rep.11, 1963.
Inspire Record 1407276 DOI 10.17182/hepdata.163

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


The Reaction $\pi^- p \to K^0 \Lambda^0$ Up to 2375-{MeV}/$c$: New Results and Analysis

Saxon, D.H. ; Baker, R.D. ; Bell, Kenneth Watson ; et al.
Nucl.Phys.B 162 (1980) 522-546, 1980.
Inspire Record 142072 DOI 10.17182/hepdata.34549

New data are presented on the reaction π − p→K 0 Λ 0 at 13 incident momenta between 1395 and 2375 MeV/ c . A partial-wave analysis has been performed using these data and previous data at lower momenta. The resulting resonance parameters are in broad agreement with recent πN analyses and with the predictions of SU(6) W × O(3) for the couplings.

5 data tables
Table 1

No description provided.

Table 2

TOTAL CROSS SECTION FROM LEGENDRE POLYNOMIAL FIT TO D(SIG)/DOMEGA. ERRORS INCLUDE 20 PCT SYSTEMATIC NORMALIZATION ERROR.

Table 3

LAMBDA USED TO ANALYZE POLARIZATION, ASSUMING 0.642 FOR THE DECAY ASYMMETRY PARAMETER.

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Fluctuations in Large Angle $\pi^\pm p$ Elastic Scattering

Jenkins, K.A. ; Price, L.E. ; Klem, R. ; et al.
Phys.Rev.Lett. 40 (1978) 429, 1978.
Inspire Record 6210 DOI 10.17182/hepdata.76245

Large-angle π±p elastic-scattering cross sections, measured between 2 and 9 GeV/c in fine intervals of incident momentum and scattering angle, are used to search for cross-section fluctuations occurring for small changes in the center-of-mass energy as suggested by Ericson and Mayer-Kuckuck and by Frautschi. Significant fluctuations are observed.

144 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Elastic-Differential Cross Section of pi++p at 1.5, 2.0, and 2.5 BeV/c

Cook, Victor ; Cork, Bruce ; Holley, William R. ; et al.
Phys.Rev. 130 (1963) 762-765, 1963.
Inspire Record 944975 DOI 10.17182/hepdata.599

We measured elastic-scattering angular distributions for π++p scattering at 1.5, 2.0, and 2.5 BeV/c using spark chambers to detect scattered pions and protons. A bump that decreases in amplitude with increasing momentum is observed in the backward hemisphere in the 1.5- and 2.0-BeV/c distributions, but is not observed in the 2.5-BeV/c distributions. It appears reasonable to attribute this phenomenon to the 1.45-BeV/c resonance observed in the π++p total cross section. The data are compared with π−+p data and are found to support the theoretical prediction that the scattering cross sections for both charge states should become equal at high energies. We fit the angular distributions with a power series in cosθ*, and compare the extrapolated values for the scattering cross section in the backward direction with the calculation of the neutron-exchange pole contribution to the cross section. The "elementary" neutron-pole term contribution is calculated to be 90 mb/sr at 2.0 BeV/c, in violent disagreement with the extrapolated value, ≈0.5 mb/sr.

4 data tables
Table 1

No description provided.

Table 2

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Table 3

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