Laville, J.L.
nucl-ex
Single Differential Cross Section
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Experimental Evidence for Structures in the Momentum Dependence of the n + p --> p + n Charge-Exchange Peak Between 1-GeV/c and 2-GeV/c

Bizard, G. ; Bonthonneau, F. ; Laville, J.L. ; et al.
Nucl.Phys.B 85 (1975) 14-30, 1975.
Inspire Record 615 DOI 10.17182/hepdata.7809

21 differential cross section measurements of the np → pn charge-exchange reaction have been carried out at the synchrotron Saturne (Saclay), for incident neutron momenta between 1 and 2 GeV/ c and in the squared four-momentum transfer range 0 ⩽ −t ⩽ 0.4 (GeV/ c ) 2 . The π exchange peak is seen at all the incident momenta. The s dependence of the very forward slope of this peak shows weak structures near the threshold of inelastic channels.

42 data tables match query
Table 1

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pi+- p differential cross sections at low energies.

Denz, H. ; Amaudruz, P. ; Brack, J.T. ; et al.
Phys.Lett.B 633 (2006) 209-213, 2006.
Inspire Record 699647 DOI 10.17182/hepdata.31620

Differential cross sections for pi- p and pi+ p elastic scattering were measured at five energies between 19.9 and 43.3 MeV. The use of the CHAOS magnetic spectrometer at TRIUMF, supplemented by a range telescope for muon background suppression, provided simultaneous coverage of a large part of the full angular range, thus allowing very precise relative cross section measurements. The absolute normalisation was determined with a typical accuracy of 5 %. This was verified in a simultaneous measurement of muon proton elastic scattering. The measured cross sections show some deviations from phase shift analysis predictions, in particular at large angles and low energies. From the new data we determine the real part of the isospin forward scattering amplitude.

12 data tables match query
Table 1

Elastic PI- P cross section for incident kinetic energy 43.3 MeV for the rotated target data. Errors shown are statistical only.

Table 2

Elastic PI- P cross section for incident kinetic energy 43.3 MeV. Errors shown are statistical only.

Table 3

Elastic PI- P cross section for incident kinetic energy 37.1 MeV. Errors shown are statistical only.

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Large Angle Neutron-Proton Elastic Scattering from 5-GeV/c to 12-GeV/c

Stone, J.L. ; Chanowski, J.P. ; Gray, S.W. ; et al.
Phys.Rev.Lett. 38 (1977) 1315, 1977.
Inspire Record 5159 DOI 10.17182/hepdata.3372

Neutron-proton differential cross sections have been measured with good statistics for four-momentum transfers 0.14<−t≲19.0 (GeV/c)2 at laboratory momenta ranging from 4.5 to 12.5 GeV/c. The experiment was carried out in a neutron beam at the Argonne National Laboratory zero-gradient synchrotron. These results in conjunction with previous n−p charge-exchange data provide almost complete elastic-scattering angular distributions in this momentum range.

8 data tables match query
Table 1

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The pi+ p interaction at 1.2 gev/c

Berthon, A. ; Mas, J. ; Narjoux, J.L. ; et al.
Nucl.Phys.B 81 (1974) 431-444, 1974.
Inspire Record 93412 DOI 10.17182/hepdata.7945

Experimental results are presented for the available channels in the 1.2 GeV/ c π + p interaction. An isobaric model with incoherent addition of the amplitudes is used to determine the π, Δ and N ∗ abundance rates in the π + π o p final state. The multipole parameters in the density matrix of the Δ ++ are determined as functions of its production angle.

4 data tables match query
Table 1

No description provided.

Table 2

LEGENDRE POLYNOMIAL FIT USED TO CORRECT FOR ELASTIC EVENTS LOST FROM THE FORWARD BIN.

Table 3

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