A Muon Exposure in the Tohoku High Resolution Bubble Chamber Page: 3 of 16
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strangeness, and vector mesons by 20 GeV photons in the 40 inch bubble
chamber2). This proposed experiment is a natural extension from the point of view
of photon interactions for the collaboration.
Physics Aims
A. In the deep inelastic region, the muon produced interaction data are directly
comparable with the neutrino interaction results in approximately the same
energy region, and we are using the same detector. The kinematics is the
same in both interactions, and the intermediate quark states are very similar,
Fig. 1. Charged lepton induced events have additional information about the
incoming particles compared with neutral lepton events. Therefore this
experiment will be a good calibration for E745. From the opposite point of
view, the analysis method that was applied to neutral lepton events will give
additional information for the analysis of charged lepton events, in addition to
simultaneously measured muon scattering data. This will be a mutual
calibration between bubble chamber and electronic scattering experiments. It is
noted that the data from this experiment will be good in its systematics. Fig.
2 (a)-(c) show the distributions of Q , v and W obtained in E745 1985 run.
The scale under (c) shows the W for each P P A - 300 GeV/c muon
beam will yield data which can be compared with the E745 data.
B. This experiment will cover a wide range of Q2 Q2 > 0 because of the
triggering method mentioned later. Production of vector mesons, strange
particles and charm particles will be studied over the whole range from the
hadron-like to point-like regions of virtual photons. Direct observation of
decays in space will give us a clean sample of V* and charm particles.
Approximately 2800 Vo and 150 charm particles will be detected and
investigated in each Q2 region. There have been extensive indirect studies ) of
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Chen, A.; Shapire, A.; Widgoff, M.; Childress, S.; Murphy, T.; Alyea, E. D. et al. A Muon Exposure in the Tohoku High Resolution Bubble Chamber, report, January 1, 1986; Batavia, Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1013805/m1/3/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.