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Träfflista för sökning "WFRF:(Ba ) srt2:(1995-1999)"

Sökning: WFRF:(Ba ) > (1995-1999)

  • Resultat 1-50 av 140
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1.
  • Gornov, MG, et al. (författare)
  • A charged particle spectrometer for small-angle experiments
  • 1999
  • Ingår i: INSTRUMENTS AND EXPERIMENTAL TECHNIQUES. - : PLENUM PUBL CORP. - 0020-4412. ; 42:4, s. 493-499
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • A high-purity germanium spectrometer for detecting long-range charged particles emitted at small angles is described. The spectrometer is intended for investigations of two-body nuclear reactions on the internal targets of the CELSIUS storage ring. It is
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  • Abreu, P, et al. (författare)
  • A measurement of alpha(s) from the scaling violation in e(+)e(-) annihilation
  • 1997
  • Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 398:1-2, s. 194-206
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • The hadronic fragmentation functions of the various quark flavours and of gluons are measured in a study of the inclusive hadron production from Z(0) decays with the DELPHI detector and are compared with the fragmentation functions measured elsewhere at e
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  • Abreu, P, et al. (författare)
  • A search for eta '(c) production in photon-photon fusion at LEP
  • 1998
  • Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 441:1-4, s. 479-490
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • A search for the production of the eta(c)' meson, the first radial excitation of the ground state of charmonium eta(c)(2980), in the photon-photon fusion reaction at LEP has been performed using the data collected by the DELPHI detector during 1992-1996.
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  • Abreu, P, et al. (författare)
  • Identified particles in quark and gluon jets
  • 1997
  • Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 401:1-2, s. 118-130
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • A sample of about 1.4 million hadronic Z decays, selected among the data recorded by the DELPHI detector at LEP during 1994, was used to measure for the first time the momentum spectra of K+, K-0, p, Lambda and their antiparticles in gluon and quark jets.
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  • Abreu, P, et al. (författare)
  • Measurement of correlations between pions from different W's in e(+)e(-)->W+W- events
  • 1997
  • Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 401:1-2, s. 181-191
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Correlations between pions from different W's in e(+)e(-) --> W+W- events are studied using data collected by the DELPHI detector at LEP running at a centre-of-mass energy of 172 GeV in 1996. At the present level of statistics, no enhancement of the corre
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  • Abreu, P, et al. (författare)
  • Measurement of the multiplicity of gluons splitting to bottom quark pairs in hadronic Z(0) decays
  • 1997
  • Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 405:1-2, s. 202-214
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • An inclusive measurement of the average multiplicity of b (b) over bar pairs from gluons, g(b (b) over bar), in hadronic Z(0) events collected by the DELPHI experiment at LEP, is presented. A counting technique, based on jet b-tagging in 4-jet events, has
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  • Abreu, P, et al. (författare)
  • Measurement of vertical bar V-cs vertical bar using W decays at LEP2
  • 1998
  • Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 439:1-2, s. 209-224
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Decays of W+/- bosons, produced at LEP2, have been used to measure the \V-cs\ element of the Cabibbo-Kobayashi-Maskawa matrix. Values for \V-cs\ were extracted both from the measured hadronic branching ratio of W+/- decays and by tagging the flavour of ha
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  • Abreu, P, et al. (författare)
  • Search for Leptoquarks and FCNC in e(+)(e)(-) annihilations root s = 183 GeV
  • 1999
  • Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 446:1, s. 62-74
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • A search fur events with one jet and at most one isolated lepton used data taken at LEP-2 by the DELPHI detector. These data were accumulated at a center-of-mass energy of 183 GeV and correspond to an integrated luminosity of 47.7 pb(-1) Production of sin
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16.
  • Abreu, P, et al. (författare)
  • Search for neutral heavy leptons produced in Z decays
  • 1997
  • Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 74:1, s. 57-71
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Weak isosinglet Neutral Heavy Leptons (nu(m)) have been searched for using data collected by the DELPHI detector corresponding to 3.3 x 10(6) hadronic Z(0) decays at LEP1. Four separate searches have been performed, for short-lived nu(m) production giving
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17.
  • Abreu, P, et al. (författare)
  • Search for stable heavy charged particles in e(+)e(-) collisions at root s=130-136, 161 and 172 GeV
  • 1997
  • Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 396:1-4, s. 315-326
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • A search for stable or long-lived heavy charged particles in e(+)e(-) interactions at energies of 130-136, 161 and 172 CeV has been performed using the data taken by the DELPHI experiment at LEP. The search is based on particle identification provided by
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  • Bergenståhl, BA, et al. (författare)
  • Lipids and colloidal stability
  • 1997
  • Ingår i: Current Opinion in Colloid & Interface Science. - 1359-0294 .- 1879-0399. ; 2, s. 590-595
  • Tidskriftsartikel (refereegranskat)abstract
    • Polar lipids have an important role as emulsifiers and stability controlling agents in the food industry. The principal effects of the emulsifiers have been found to depend on the situation in which they are applied. They may act as stabilising additives, creating repulsive interactions between droplets. They may act as emulsifying agents, or they may destabilise emulsions by reducing protein adsorption at the oil/water interface. They may also destabilise emulsions by increasing wettability of fat crystals. Furthermore, they may form micellar or liposomal aggregates in the dispersion, influencing interactions and aggregation.
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31.
  • Bliman, S, et al. (författare)
  • Collision spectroscopy of Ar8++H-2 at low velocities (upsilon < 1 a.u.)
  • 1999
  • Ingår i: PHYSICAL REVIEW A. - : AMERICAN PHYSICAL SOC. - 1050-2947. ; 60:4, s. 2799-2807
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Single and double electron transfer have been studied for the collision system Ar8++H-2 at low velocities (V<1 a.u.). X-ray ultraviolet and Auger spectroscopies complemented by translational energy gain and time-of-flight spectroscopies reveal details on
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  • BLOMGREN, J, et al. (författare)
  • SEARCH FOR DOUBLE GAMOW-TELLER STRENGTH BY HEAVY-ION DOUBLE-CHARGE-EXCHANGE
  • 1995
  • Ingår i: PHYSICS LETTERS B. - 0370-2693. ; 362:1-4, s. 34-38
  • Tidskriftsartikel (refereegranskat)abstract
    • We have carried out a search for double Gamow-Teller excitations, employing the Mg-24(O-18,Ne-18)Ne-24 reaction at 100 and 76 MeV/nucleon at NSCL-MSU and GANIL, respectively, The cross sections for low-lying excitations are typically a few nb/sr, providin
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  • Butorin, SM, et al. (författare)
  • Resonant X-ray fluorescence spectroscopy of correlated systems: A probe of charge-transfer excitations
  • 1996
  • Ingår i: PHYSICAL REVIEW LETTERS. - : AMER INST PHYSICS. - 0031-9007. ; 77:3, s. 574-577
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • X-ray fluorescence spectroscopy with monochromatic photon excitation is presented as a tool for studies of charge-transfer excitations in correlated systems, using CeO2 and UO3 as examples. Ce 4f --> 3d and U 5f --> 3d x-ray fluorescence, with excitation
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  • Castano, AM, et al. (författare)
  • Allylsilanes as carbon nucleophiles in the palladium-catalyzed 1,4-oxidation of conjugated dienes
  • 1997
  • Ingår i: CHEMISTRY-A EUROPEAN JOURNAL. - : WILEY-V C H VERLAG GMBH. ; 3:3
  • Annan publikation (övrigt vetenskapligt/konstnärligt)abstract
    • Palladium-catalyzed oxidation of cyclic 1,3-dienes 3, 5, 9, 11, and 13, with an allylsilane group in the side chain, led to an intramolecular 1,4-syn-addition to the conjugated diene through a carbocyclization. Acyclic trienesilanes 7 also underwent anal
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  • Dunham, I, et al. (författare)
  • The DNA sequence of human chromosome 22
  • 1999
  • Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 402:6761, s. 489-495
  • Tidskriftsartikel (refereegranskat)
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  • Resultat 1-50 av 140

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