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Träfflista för sökning "WFRF:(Ferro JM) srt2:(2002-2004)"

Search: WFRF:(Ferro JM) > (2002-2004)

  • Result 21-23 of 23
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21.
  • Abdallah, J, et al. (author)
  • A measurement of the branching fractions of the b-quark into charged and neutral b-hadrons
  • 2003
  • In: Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. - : Elsevier BV. - 0370-2693. ; 576:1-2, s. 29-42
  • Journal article (peer-reviewed)abstract
    • The production fractions of charged and neutral b-hadrons in b-quark events from Z(0) decays have been measured with the DELPHI detector at LEP. An algorithm has been developed, based on a neural network, to estimate the charge of the weakly-decaying b-hadron by distinguishing its decay products from particles produced at the primary vertex. From the data taken in the years 1994 and 1995, the fraction of (b) over bar -quarks fragmenting into positively charged weakly-decaying b-hadrons has been measured to be: f(+) = (42.09+/-0.82(stat)+/-0.89(syst))%. Subtracting the rates for charged Xi(b)(+) and Omega(b)(+) baryons gives the production fraction of B+ mesons: f(Bu) = (40.99+/-0.82(stat)+/-1.11 (syst)) %.
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22.
  • Abdallah, J, et al. (author)
  • Search for doubly charged Higgs bosons at LEP2
  • 2003
  • In: Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics. - 0370-2693. ; 552:3-4, s. 127-137
  • Journal article (peer-reviewed)abstract
    • A search for pair-produced doubly charged Higgs bosons has been performed using the data collected by the DELPHI detector at LEP at centre-of-mass energies between 189 and 209 GeV. No excess is observed in the data with respect to the Standard Model background. A lower limit for the mass of 97.3 GeV/c(2) at the 95% confidence level has been set for doubly charged Higgs bosons in left-right symmetric models for any value of the Yukawa coupling between the Higgs bosons and the tau leptons. (C) 2002 Published by Elsevier Science B.V.
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23.
  • Abdallah, J, et al. (author)
  • Search for resonant (nu)over-tilde production at root s=183 to 208 GeV
  • 2003
  • In: European Physical Journal C. Particles and Fields. - : Springer Science and Business Media LLC. - 1434-6044. ; 28:1, s. 15-26
  • Journal article (peer-reviewed)abstract
    • Searches for resonant (ν) over tilde production in e(+)e(-) collisions under the assumption that R-parity is not conserved and that the dominant R-parity violating coupling is lambda(121) or lambda(131) used data recorded by DELPHI in 1997 to 2000 at centre-of-mass energies of 183 to 208 GeV. No deviation from the Standard Model was observed. Upper limits are given for the lambda(121) and lambda(131) couplings as a function of the sneutrino mass and total width. The limits are especially stringent for sneutrino masses equal to the centre-of-mass energies with the highest integrated luminosities recorded.
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  • Result 21-23 of 23
Type of publication
journal article (23)
Type of content
peer-reviewed (23)
Author/Editor
Smirnova, Oxana (23)
Baroncelli, A. (23)
Benekos, N. (23)
Besson, N. (23)
Brenner, R. (23)
Canale, V. (23)
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Di Simone, A. (23)
Dris, M. (23)
Eigen, G. (23)
Elsing, M. (23)
Fassouliotis, D. (23)
Ferrer, A. (23)
Fuster, J. (23)
Garcia, C. (23)
Graziani, E. (23)
Hamacher, K. (23)
Haug, S. (23)
Meroni, C. (23)
Moa, T. (23)
Morettini, P. (23)
Nicolaidou, R. (23)
Onofre, A. (23)
Ouraou, A. (23)
Parzefall, U. (23)
Passeri, A. (23)
Salt, J. (23)
Sopczak, A. (23)
Stugu, B. (23)
Troncon, C. (23)
Vrba, V. (23)
Weiser, C. (23)
Wicke, D. (23)
Moenig, K. (23)
Asman, B. (23)
Joram, C. (23)
Vegni, G. (23)
Wahlen, H. (23)
Katsoufis, E. (23)
Ellert, M (23)
Rodriguez, D. (23)
Ekelof, T (23)
Castro, N. (23)
Perepelitsa, V. (23)
Begalli, M. (23)
Besancon, M. (23)
Cuevas, J. (23)
Feindt, M. (23)
Jonsson, P. (23)
Orava, R. (23)
Renton, P. (23)
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University
Lund University (23)
Language
English (23)
Research subject (UKÄ/SCB)
Natural sciences (23)

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