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Production of antihyperons in the central region at the ISR. The axial field spectrometer collaboration
We present measurements of the relative production cross-sections of anti p, anti ..lambda.., anti ..xi.., and anti ..cap omega.. at y approx. 0 for 1 less than or equal to p/sub T/ less than or equal to 2 GeV/c in pp collisions at ..sqrt..s = 63 GeV. The results are compared with previous measurements of antibaryon production in hadronic and e/sup +/e/sup -/ collisions.
Date:
July 1, 1983
Creator:
Akesson, T.; Albrow, M.C.; Almehed, S.; Batley, R.; Benary, O.; Boggild, H. et al.
System:
The UNT Digital Library
Volume generation of negative ions in high density hydrogen discharges
A parametric survey is made of a high-density tandem two-chamber hydrogen negative ion system. The optimum extracted negative ion current densities are sensitive to the atom concentration in the discharge and to the system scale length. For scale lengths ranging from 10 cm to 0.1 cm optimum current densities range from of order 1 to 100 mA cm/sup -2/, respectively.
Date:
July 1, 1983
Creator:
Hiskes, J.R. & Karo, A.M.
System:
The UNT Digital Library