Major aspects of multiparticle production using four different projectiles are being pursued. To the proportional hybrid system has been added a prototype forward gamma detector, enabling the precision measurement of up to 6 photons (3. pi./sup -/p collisions at 147 GeV/c has begun. pi./sup -/p interactions at 147 GeV/c is completed, and a larger investigation of. The bubble chamber-hybrid system group is primarily engaged in several experiments at the Fermilab. The experiments of the electronic detector-spark chamber group include the following: a search for high mass boson resonances and determination of quantum numbers in antiproton-proton systems a nucleon-nucleon and meson-nucleon elastic and quasi-elastic scattering experiment at the highest energies a study of inclusive scattering, with associated multiplicity and pseudo-rapidity distributions, for hadrons on protons to hadrons at incident energies up to more » 175 GeV an experiment to study the A-dependence of hadronic inclusive scattering at Fermilab a search for charged, long-lived, massive particles up to the kinematic limit at Fermilab and a study of hadronic final states produced by 100-GeV pions in association with direct leptons.
The experiments have been and are being performed utilizing the accelerators of the National Laboratories at Argonne, Brookhaven and Batavia.
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each node on a separate line of a data file using the FORTRAN code format (I5. « lessĪn experimental program in strong interaction physics is carried out using counter-spark chamber techniques and a bubble chamber-hybrid system. In order to evaluate the need for automatic parameter estimation and. By detecting high momentum secondaries in the spark chambers, they have obtained a complete momentum spectra in the entire range of kinematic variables. By selecting frames with no upstream bubble chamber wall interactions and with the number of beam tracks less than 15, they have obtained 596 events (1604 negative tracks) from all topologies in the first measurement pass. The data came from a film sample of 5,000 pictures. The physical characteristics of the hybrid system and track reconstruction are more » described in accompanying papers. Preliminary data are presented on 's in 200 GeV/c pp interactions obtained from the NAL 30-inch bubble chamber-wide gap spark chamber hybrid system.
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