The operation of a pressurized ultraviolet photoionization threshold cerenkov counter
IEEE Transactions on Nuclear Science 29:1 (1982) 332-335
Abstract:
We have successfully tested an ultraviolet photoionization Cerenkov Counter in a 10 GeV/c pion beam preparatory to building a large system. The counter has been tested to 11 atmospheres of pressure for use as a pi-K separator. Copyright © 1982 by The Institute of Electrical and Electronics Engineers, Inc.THE OPERATION OF A PRESSURIZED ULTRAVIOLET PHOTO-IONIZATION THRESHOLD CERENKOV COUNTER
IEEE TRANSACTIONS ON NUCLEAR SCIENCE 29:1 (1982) 332-335
The operation of a pressurized ultraviolet photoionization threshold cherenkov counter
Nuclear Instruments and Methods 186:3 (1981) 513-518
Abstract:
We have successfully tested an ultraviolet photoionization Cherenkov counter in a 10 GeV/c pion beam. The counter has been tested to 11 atm pressure for use as a π-K separator. The design and operation of the counter is described. © 1981.An amplitude analysis of ππ scattering from new data on the reaction π-p→π+π-n
Nuclear Physics, Section B 157:2 (1979) 250-272
Abstract:
We have carried out a partial-wave analysis of ππ scattering in the mass range 1.0 to 2.08 GeV/c2. We find solutions similar to those obtained in previous analyses below 1.8 GeV/c2 but, in addition, we obtain a new solution which does not suffer from violations of unitarity and is compatible with data from other channels. This solution, when continued to 2.08 GeV/c2, shows a g meson with mass and width of 1.734± 0.010 GeV/c2and 0.322±0.035 GeV/c2 respectively, and an h meson with mass 1.935±0.013 GeV/c2and width 0.263±0.057 GeV/c2. The L = 2 partial wave contains the f meson and an additional resonance with parameters m = 1.502±0.025 Gev/c2, Γ = 0.165±0.042 GeV/c2and x = 0.19±0.03. If we associate this state with the f′(1514), our ππ branching fraction is considerably higher than previous determinations. An SU(3) fit to the 2+ nonet yields a mixing angle of 38.4± 1.3°. © 1979.AMPLITUDE ANALYSIS OF PIPI SCATTERING FROM NEW DATA ON THE REACTION PI-P-]PI+PI-N
NUCLEAR PHYSICS B 157:2 (1979) 250-272