L J Moss

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The design considerations, construction techniques, prototype tests and performance characteristics, of a pressurized drift chamber used in the MAC detector at PEP are described. The chamber consists of 324 aluminized mylar tubes of 6.9 mm diameter with wall thickness of lOOhm. With appropriate shielding it operates successfully at 4.6 cm from the beam(More)
Obsessive-compulsive disorder (OCD) is a severe psychiatric illness that is difficult to treat. The effects of trazodone hydrochloride treatment were studied, both with and without the addition of a monoamine oxidase inhibitor, in OCD patients. Changes in symptoms correlated with changes in local cerebral metabolic rates for glucose (LCMRGlc), as measured(More)
  • J V Allaby, W W Ash, H R Band, L A Baksay, H T Blume, M Bosman +59 others
  • 1989
The MAC detector at PEP recorded data for an integrated luminosity of 335 pb-' between 1980 and 1986. The design of this low-cost MAgnetic Calor-imeter was optimized for electron and muon identification, as well as for the measurement of hadronic energy flow. Muon identification is available over 96% of the solid angle, and MAC was the first detector to(More)
High precision measurements of electron positron annihilation into final states of 2, 3 and 4 photons are presented. The data were obtained with the MAC detector at the PEP storage ring of the Stanford Linear Accelerator Center, at a center of mass energy of 29 GeV. The measured e+e-+ 77 differential cross section is used to test the validity of Quantum(More)
A search in e+e-annihilation for final states which contain only a single energetic photon has been performed at fi = 29 GeV with the MAC detector at PEP. The upper limit, on an anomalous signal has been interpreted in terms of mass limits for supersymmetric particles assuming radiative pair production of either supersymmetric photons or neutrinos. For the(More)
Final results are presented from a search for single-photons produced in association with neutrinos or other weakly interacting neutral particles in e+e-annihilations at @ = 29GeV. The search was performed with the MAC detector at PEP in a total integrated luminosity of 177pb-l. The search limits the number of light-neutrino families to NY < 16. The mass of(More)
The ultrasonographic image of the fetal head at the appropriate level for determination of the biparietal diameter reveals an apparent asymmetry of the cerebral hemispheres. This was confirmed and analyzed in 49 sequential fetuses who had no neurologic deficits at birth and in the autopsy specimen of an 8-month-old infant without any anatomic abnormalities(More)
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