Garc con, M.
Single Differential Cross Section
SLOPE
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Study of photoproduction on hydrogen in a streamer chamber with tagged photons for 1.6 GeV $ < E_\gamma <$ 6.3 GeV Topological and reaction cross sections

The Aachen-Hamburg-Heidelberg-Munich collaboration Struczinski, W. ; Dittmann, P. ; Eckardt, V. ; et al.
Nucl.Phys.B 108 (1976) 45-74, 1976.
Inspire Record 100089 DOI 10.17182/hepdata.35779

We have studied photoproduction using a 1 m streamer chamber at DESY and a tagged photon beam with an energy range of 1.6 GeV < E γ < 6.3 GeV. We analysed approximately 30 000 events and report topological, channel and resonance production cross sections for a large number of reactions with three and five outgoing charged particles.

29 data tables
Table 1

CHANNEL CROSS SECTIONS FOR 3, 5 AND 7 PRONG REACTIONS.

Table 2

'PARAMETRIZATION'.

Table 3

'INTERFERENCE'.

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Measurement of the Real Part of the Forward Amplitude in anti-p p Elastic Scattering

Jenni, P. ; Baillon, P. ; Bricman, C. ; et al.
Nucl.Phys.B 94 (1975) 1-20, 1975.
Inspire Record 99005 DOI 10.17182/hepdata.31973

The differential cross sections of the elastic p p reaction have been measured at 1.2, 1.4, 1.8 and 2.6 GeV/ c incident p momentum. The measurements have been performed at the CERN PS using a system of multiwire proportional chambers. The angular region covers scattering angles from 0 to ∼200 mrad. Interference effects between the Coulomb and the nuclear amplitudes are used to derive the ratio of the real to imaginary part of the forward nuclear amplitude. These ratios are compared with theoretical predictions.

6 data tables
Table 1

'MS'. 'TBIN'.

Table 2

'MS'. 'TBIN'.

Table 3

'MS'. 'TBIN'.

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K0(L) p ---> K0(S) p SCATTERING FROM 1-GeV/c TO 10-GeV/c

Brandenburg, G.W. ; Johnson, William B. ; Leith, David W.G.S. ; et al.
Phys.Rev.D 9 (1974) 1939, 1974.
Inspire Record 81133 DOI 10.17182/hepdata.21986

The differential cross sections for KL0p→KS0p scattering are presented in several momentum intervals between 1 and 10 GeVc. The data are strongly peaked in the forward direction, characteristic of a large s-channel helicity-nonflip scattering amplitude in this reaction, and a distinct break in the differential cross section occurs at |t|=0.3 GeV2. The phase of the forward scattering amplitude, φ, is consistent with being independent of momentum. The average value of the phase, φ=−133.9±4.0∘, corresponds to a Regge trajectory α(0)=0.49±0.05 in agreement with the canonical ρ, ω0 Regge intercept, α(0)∼0.5. However, this result disagrees with the Regge trajectory determined from the energy dependence of the forward cross section, α(0)=0.30±0.03, indicating a breaking of the Regge phase-energy relation. Comparisons of KL0p→KS0p and π−p→π0n scattering data reveal substantial differences in the energy dependence of the differential cross sections. Comparisons to KN charge-exchange data then suggest that direct-channel (absorption) effects may explain the differences in πN and KN channels.

22 data tables
Table 1

No description provided.

Table 2

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Table 3

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