Jarczyk, Lucjan
Double Differential Cross Section
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Differential cross section for elastic n+d scattering and n+d break-up quasi free-scattering at 67 MeV

Balewski, J. ; Bodek, K. ; Jarczyk, L. ; et al.
Nucl.Phys.A 581 (1995) 131-144, 1995.
Inspire Record 1389771 DOI 10.17182/hepdata.36531

The differential cross sections for the n+d elastic scattering and for the 2H(n,np)n break-up reaction in the np quasi-free scattering configuration was measured at 67 MeV. The experimental data are compared with results of the calculations based on a rigorous solution of the three-nucleon Faddeev equations using meson-exchange potentials. Good agreement is found between experiment and theory for the n+d elastic-scattering cross section while in the case of np quasi-free scattering the theoretical predictions overestimate the data at neutron angles larger than 40° by about 30%.

6 data tables
Table 1

No description provided.

Table 2

CROSS SECTION FOR THE N P QUASI-FREE SCATTERING CONFIGURATION.

Table 3

CROSS SECTION FOR THE N P QUASI-FREE SCATTERING CONFIGURATION.

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Forward K+ production in subthreshold p A collisions at 1.0-GeV.

The ANKE collaboration Koptev, V. ; Buescher, Markus ; Junghans, H. ; et al.
Phys.Rev.Lett. 87 (2001) 022301, 2001.
Inspire Record 556676 DOI 10.17182/hepdata.31765

K+ meson production in pA (A = C, Cu, Au) collisions has been studied using the ANKE spectrometer at an internal target position of the COSY-Juelich accelerator. The complete momentum spectrum of kaons emitted at forward angles, theta < 12 degrees, has been measured for a beam energy of T(p)=1.0 GeV, far below the free NN threshold of 1.58 GeV. The spectrum does not follow a thermal distribution at low kaon momenta and the larger momenta reflect a high degree of collectivity in the target nucleus.

3 data tables
Table 1

Double differential K+ production cross section for forward K+ angles < 12 degs. Statistical errors only.

Table 2

The invariant cross section for K+ production. Statistical errors only.

Table 3

Ratio of K+ production cross sections for CU/C and AU/C.