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Träfflista för sökning "WFRF:(Hughes D.) srt2:(1990-1994)"

Search: WFRF:(Hughes D.) > (1990-1994)

  • Result 1-5 of 5
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1.
  • Szymanski, J. J., et al. (author)
  • MEGA : A search for the decay mu –> e gamma
  • 1994
  • In: Intersections between particle and nuclear physics. Proceedings, 5th Conference, St. Petersburg, USA, May 31-June 6, 1994. ; , s. 789-792
  • Conference paper (peer-reviewed)
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2.
  • Amann, F., et al. (author)
  • A search for murarregamma at the level of 10-13
  • 1991
  • In: Proceedings of the 25th International Conference on High Energy Physics. - 9810024347 ; , s. 1070-1071
  • Conference paper (peer-reviewed)abstract
    • The MEGA experiment, which is a search for the decay murarregamma with a branching ratio sensitivity of about 10-13, employs highly modular, fast detectors, state-of-the-art electronics, and a staged trigger with on-line filters. The detectors are contained in a 1.5-T solenoidal field produced by a superconducting magnet. Positrons are confined to the central region and are measured by a set of thin MWPCs. Photons are measured by one of four layers of pair spectrometers in the outer region. Most aspects of the design have been validated in engineering runs; data taking will begin in 1990 with much of the electron arm and one pair spectrometer layer installed.
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4.
  • BERTOLOTTO, L, et al. (author)
  • RESULTS FROM (P)OVER-BAR-P-]PHI-PHI
  • 1994
  • In: NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS. - : EDITRICE COMPOSITORI BOLOGNA. ; , s. 2329-2337
  • Conference paper (peer-reviewed)abstract
    • The reaction ($) over bar pp --> phi phi is investigated in the JETSET (PS202) experiment using an internal target in LEAR. Data have been analysed at a variety of beam momenta from 1.2 GeV/c to 2.0 GeV/c, corresponding to centre-of-mass energies between
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5.
  • HUGHES, JR, et al. (author)
  • LIFETIME MEASUREMENTS IN THE REGULAR DELTA-I = 1 OBLATE BAND IN PB-197
  • 1993
  • In: Physical Review C. Nuclear Physics. - 0556-2813 .- 1089-490X. ; 48:5, s. R2135-R2139
  • Journal article (peer-reviewed)abstract
    • Lifetimes of states in the regular DELTAI = 1 band in 197Pb have been measured with the Doppler-shift attenuation method. Excited states in 197Pb were populated using the Sm-154(48Ca, 5n) reaction at E(b) = 210 MeV. The target consisted of 1 mg/cm2 Sm-154 evaporated onto a 10 mg/cm2 Au backing. Discernible lineshapes for gamma rays in the energy range 300 < E(gamma) < 500 keV in the regular band were observed in a spectroscopic study with the 20 Ge-detector array, HERA. Level lifetimes were obtained from a lineshape analysis. Averaged reduced transition strengths, B(M1) approximately 1.7 W.u. and B(E2) approximately 18 W.u., are deduced and these are compared with theoretical predictions for the suggested configuration of this band.
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  • Result 1-5 of 5

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