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Träfflista för sökning "WFRF:(Tröster D.) "

Sökning: WFRF:(Tröster D.)

  • Resultat 1-18 av 18
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1.
  • Adiels, L., et al. (författare)
  • Experimental determination of the branching ratios {Mathematical expression}, and 2γ at rest
  • 1987
  • Ingår i: Zeitschrift für Physik C Particles and Fields. - : Springer. - 0170-9739 .- 1431-5858. ; 35:1, s. 15-19
  • Tidskriftsartikel (refereegranskat)abstract
    • The branching ratios of {Mathematical expression} annihilations into the neutral final states 2π 0, π 0γ, and 2γ are measured by stopping antiprotons in liquid hydrogen. They are {Mathematical expression}, {Mathematical expression}, and B γγ<1.7×10 -6 (95% c.l.).
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2.
  • Adiels, L., et al. (författare)
  • Experimental determination of the branching ratios proton-antiproton -> 2pi0, pi0γ and γγ at rest
  • 1987
  • Ingår i: Zeitschrift für Physik C Particles and Fields. - 0170-9739. ; 35:1, s. 15-19
  • Tidskriftsartikel (refereegranskat)abstract
    • The branching ratios of Mathematical expression annihilations into the neutral final states 2Ï€0, Ï€0γ, and 2γ are measured by stopping antiprotons in liquid hydrogen. They are Mathematical expression, Mathematical expression, and Bγγ<1.7×10-6 (95% c.l.). © 1987 Springer-Verlag.
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5.
  • Adiels, L., et al. (författare)
  • Search for narrow signals in the [gamma]-spectrum from [Proton-antiproton] annihilation at rest
  • 1986
  • Ingår i: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 182:3-4, s. 405-408
  • Tidskriftsartikel (refereegranskat)abstract
    • The [gamma]-spectrum originating from pp[combining macron] annihilations at rest in liquid hydrogen was measured with two BGO spectrometers. A total of 24 ï¿œ 106[gamma]’s were accumulated. No narrow peaks indicating exotic states such as baryonium were observed. The upper limit for the branching ratio with 1040 [less-than-or-equals, slant] mx [less-than-or-equals, slant] 1770 MeV/c2 and with [lambda]x [less-than-or-equals, slant] 25 MeV/c2 is less than 10-3 with more than 99.96% confidence.
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6.
  • Adiels, L., et al. (författare)
  • Search for narrow signals in the γ-spectrum from pp̄ annihilation at rest
  • 1986
  • Ingår i: Physics Letters B. - : Elsevier. - 0370-2693 .- 1873-2445. ; 182:3-4, s. 405-408
  • Tidskriftsartikel (refereegranskat)abstract
    • The γ-spectrum originating from pp̄ annihilations at rest in liquid hydrogen was measured with two BGO spectrometers. A total of 24 × 10 6 γ's were accumulated. No narrow peaks indicating exotic states such as baryonium were observed. The upper limit for the branching ratio p p ̄ → γ + X with 1040 ≤ m x ≤ 1770 MeV/c 2 and with λ x ≤ 25 MeV/c 2 is less than 10 -3 with more than 99.96% confidence. © 1986.
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7.
  • Adiels, L, et al. (författare)
  • Some results of experiment PS182 at LEAR
  • 1986
  • Ingår i: Antiproton 86. - Singspore : World Scientific Publishing. - 9971503131 ; , s. 199-204, s. 199-204
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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9.
  • Adiels, L, et al. (författare)
  • π0 and η spectroscopy at LEAR
  • 1985
  • Ingår i: Physics with antiprotons at LEAR in the ACOL era. - Gif sur Yvette : Editions Frontières. - 2863320351 ; , s. 359-360
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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10.
  • Adiels, Lars, 1952-, et al. (författare)
  • Test of CP violation with K0 and K‾0 at LEAR
  • 1985
  • Ingår i: Physics with antiprotons at LEAR in the ACOL era. - Gif sur Yvette : Editions Frontières. - 2863320351 ; , s. 467-482
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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11.
  • Adiels, L., et al. (författare)
  • Pi0 and eta spectra from proton-antiproton annihilations at rest
  • 1984
  • Ingår i: Zeitschrift für Physik. C, Particles and fields. - 0170-9739. ; 21:4, s. 315-319
  • Tidskriftsartikel (refereegranskat)abstract
    • The low-energy part of the Ï€0 spectrum associated with Mathematical expression annihilation at rest was measured in order to search for bound baryonium-like states. The upper limit for reaching such states via the emission of monochromatic Ï€0’s was found to be 8% per annihilation in the mass region of 1650 MeV. The low-energy part of the η spectrum from Mathematical expression annihilations at rest was also observed.
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12.
  • Adiels, L., et al. (författare)
  • Search for narrow exotic states in annihilations on 4He
  • 1984
  • Ingår i: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 138:1-3, s. 235-240
  • Tidskriftsartikel (refereegranskat)abstract
    • After having found evidence for narrow exotic states in p annihilation, the production of such states on a nuclear target was studied with similar techniques. The γ spectrum associated with annihilation on 4He at rest was measured. The spectrum shows two peaks, at energies of 161.9 and 203.0 MeV, corresponding to intermediate narrow states of masses which seem to be related to states found in p annihilations. The confidence is better than 4 σ.
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14.
  • Bee, C. P., et al. (författare)
  • The CP-LEAR data acquisition system
  • 1986
  • Ingår i: Proceedings. - Geneva : CERN. ; , s. 179-184
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)
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15.
  • Blüm, P., et al. (författare)
  • A modular NaI(Tl) detector for 20-1000 MeV photons
  • 1983
  • Ingår i: Nuclear Instruments and Methods in Physics Research. - : Elsevier BV. - 0167-5087. ; 213:2-3, s. 251-259
  • Tidskriftsartikel (refereegranskat)abstract
    • A detector consisting of 54 NaI (Tl) modules is described. The detector has been optimized for the detection of 20-1000 MeV photons. An energy resolution (fwhm) of 5.5% at 130 MeV could be attained, and the stability has been better than 1% over several months.
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16.
  • Richter, B., et al. (författare)
  • New results in the search for narrow states in the p system below threshold
  • 1983
  • Ingår i: Physics Letters B. - : Elsevier BV. - 0370-2693 .- 1873-2445. ; 126:3-4, s. 284-288
  • Tidskriftsartikel (refereegranskat)abstract
    • The γ-ray spectrum after p annihilation at rest was measured in two independent high-statistics runs. Both spectra show narrow peaks, corresponding to masses of 1210, 1638, 1694 and 1771 MeV.
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17.
  • Scheffle, M., et al. (författare)
  • Low cost large area panel processing of MCM-D substrates and packages
  • 2001
  • Ingår i: Proceedings of IPACK’01. ; , s. -8
  • Konferensbidrag (refereegranskat)abstract
    • The paper describes the results of the EU research project LAP that had the target to develop and to demonstrate a low-cost high-density substrate manufacturing technology for 1st-level die assemblies. The cost target of 1€€/in2 had to be obtained by increasing toady’s 4x4in2 panel sizes to panels upto 24x24in2. The results focus on RF characterization (integrated antennas up to 83GHz, inductors up a Q value of 50), novel packaging strategies (integration of substrate and package), and cost achievements (approaching the cost target). The technology capabilities have been demonstrated with a 9:4 satellite switch operating up to 2.4GHz and readout electronics for physics experiments.
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  • Resultat 1-18 av 18

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