Saxer, Howard I.
Elastic
[2.17]
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HIGH-ENERGY pi- p ELASTIC SCATTERING FOR SMALL MOMENTUM TRANSFERS AND FORWARD DISPERSION CALCULATIONS

Saxer, Howard I. ;
UM-03106-19-T, 1964.
Inspire Record 1101967 DOI 10.17182/hepdata.37884

None

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Non-annihilation channels in interactions near centre of mass energy 2200 MeV

Bacon, T.C. ; Butterworth, I. ; Miller, R.J. ; et al.
Nucl.Phys.B 32 (1971) 66-74, 1971.
Inspire Record 1385802 DOI 10.17182/hepdata.33173

The elastic and one-pion production channels from the pp interaction at four c.m. energies between 2150 and 2240 MeV are described. No evidence of formation of the narrow T(2195) meson is observed. The elastic differential cross section is measured in the range of squared four-momentum transfer ¦t¦ > 0.03 GeV2. This has been extrapolated to the forward direction where Re/Im parts of the amplitude are deduced. The one-pion final states are well described by assuming that they are dominated by Δ-production.

3 data tables
Table 1

No description provided.

Table 2

LEGENDRE POLYNOMIAL FIT USED TO EXTRAPOLATE D(SIG)/DT TO T=0 (ABOUT 30 PCT CORRECTION). QUOTED ERRORS INCLUDE BOTH EXTRAPOLATION UNCERTAINTY AND SYSTEMATIC ERRORS.

Table 3

No description provided.


Compton scattering cross section on the proton at high momentum transfer.

The Hall A collaboration Danagoulian, A. ; Mamyan, V.H. ; Roedelbronn, M. ; et al.
Phys.Rev.Lett. 98 (2007) 152001, 2007.
Inspire Record 743383 DOI 10.17182/hepdata.31472

Cross-section values for Compton scattering on the proton were measured at 25 kinematic settings over the range s = 5-11 and -t = 2-7 GeV2 with statistical accuracy of a few percent. The scaling power for the s-dependence of the cross section at fixed center of mass angle was found to be 8.0 +/ 0.2, strongly inconsistent with the prediction of perturbative QCD. The observed cross-section values are in fair agreement with the calculations using the handbag mechanism, in which the external photons couple to a single quark.

4 data tables
Table 1

Cross section of proton Compton Scattering at centre of mass energy squared of 4.82 GeV.

Table 2

Cross section of proton Compton Scattering at centre of mass energy squared of 6.79 GeV.

Table 3

Cross section of proton Compton Scattering at centre of mass energy squared of 8.90 GeV.

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n p elastic spin transfer measurements at 485-MeV and 635-MeV

McNaughton, K.H. ; Ambrose, D.A. ; Coffey, P. ; et al.
Phys.Rev.C 46 (1992) 47-51, 1992.
Inspire Record 342389 DOI 10.17182/hepdata.26097

We have measured the spin-transfer parameters KLL, KSL, KLS, and KSS at 635 MeV from 50° to 178° c.m. and at 485 MeV from 74° to 176° c.m. These new data have a significant impact on the phase-shift analyses. There are now sufficient data near these energies to overdetermine the elastic nucleon-nucleon amplitudes.

2 data tables
Table 1

Spin transfer parameters from np elastic scattering at 635 MeV. There is an additional overall normalisation of 2 PCT.

Table 2

Spin transfer parameters from np elastic scattering at 485 MeV. There is an additional overall normalisation of 2 PCT.