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We propose here an experiment designed to search for the existence of heavy leptons ({lambda}{sup +}) produced in the collisions of 400 GeV/c protons with matter in the beam dump. These charged leptons, which are assumed to decay by weak interaction will be detected by the interactions of their neutrinos ({upsilon}{sub {lambda}}, {bar {upsilon}}{sub {lambda}}) in a Ne bubble chamber. For leptons with masses of greater than 1 GeV, the {lambda} life time is expected to be too short for the lepton to be observed visually, therefore, the lepton must be identified by a detailed comparison with ordinary {upsilon}{sub {mu}} interactions. We request 200,000 pictures with the beam protons hitting the shield directly and 200,000 pictures with the normal high energy {upsilon}{sub {mu}} beam. In the latter pictures we will study deep inelastic {upsilon}{sub {mu}} scattering, search for muonless {upsilon}{sub {mu}} interactions, search for {upsilon}{sub {mu}} diffractive processes and search for {Delta}S = -{Delta}Q in strange particle production processes. This experiment does not require the E{Pi} or a plate in the bubble chamber although the latter would be very useful and can run without the horn

university of north texas digital library (university of north texas)

Search for heavy leptons and hard penetrating radiation in the neutrino beam, study of diffraction scattering of neutrinos; study of deep inelastic vu scattering in a ne bubble chamber at NAL, and test of the delta s = delta q rule at high momentum transfer using inclusive reactions