Showing 521 - 540 results of 3,350 for search '"lepton"', query time: 0.11s Refine Results
  1. 521

    Search for the rare leptonic decays B+ -> l(+) nu(l) (l = e, mu) by Aubert, B, Karyotakis, Y, Lees, J, Poireau, V, Prencipe, E, Prudent, X, Tisserand, V, Garra Tico, J, Grauges, E, Martinelli, M, Palano, A, Pappagallo, M, Eigen, G, Stugu, B, Sun, L, Battaglia, M, Brown, D, Kerth, LT, Kolomensky, Y, Lynch, G, Osipenkov, I, Tackmann, K, Tanabe, T, Hawkes, C, Soni, N

    Published 2009
    “…We have performed a search for the rare leptonic decays B+→+ν(l=e,μ), using data collected at the Υ(4S) resonance by the BABAR detector at the PEP-II storage ring. …”
    Journal article
  2. 522

    Measurement of the cross section for tt̄ production in pp̄ collisions using the kinematics of lepton+jets events by Acosta, D, Adelman, J, Affolder, T, Akimoto, T, Albrow, MG, Ambrose, D, Amerio, S, Amidei, D, Anastassov, A, Anikeev, K, Annovi, A, Antos, J, Aoki, M, Apollinari, G, Arisawa, T, Arguin, J, Artikov, A, Ashmanskas, W, Attal, A, Azfar, F, Azzi-Bacchetta, P, Bacchetta, N, Bachacou, H, Badgett, W, Barbaro-Galtieri, A

    Published 2005
    “…We use an artificial neural network technique to discriminate between top pair production and background processes in a sample of 519 lepton+jets events, which have one isolated energetic charged lepton, large missing transverse energy and at least three energetic jets. …”
    Journal article
  3. 523

    Search for events with an isolated lepton and missing transverse momentum and a measurement of W production at HERA by Chekanov, S, Derrick, M, Magill, S, Musgrave, B, Nicholass, D, Repond, J, Yoshida, R, Mattingly, M, Antonioli, P, Bari, G, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Cindolo, F, Corradi, M, Iacobucci, G, Margotti, A, Nania, R, Polini, A, Antonelli, S, Basile, M, Bindi, M, Cifarelli, L, Contin, A

    Published 2009
    “…A search for events with an isolated high-energy lepton and large missing transverse momentum has been performed with the ZEUS detector at HERA using a total integrated luminosity of 504 pb-1. …”
    Journal article
  4. 524
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  7. 527

    MEASUREMENTS OF THE LINESHAPE OF THE Z(0) AND DETERMINATION OF ELECTROWEAK PARAMETERS FROM ITS HADRONIC AND LEPTONIC DECAYS by Abreu, P, Adam, W, Adye, T, Agasi, E, Aleksan, R, Alekseev, G, Allport, P, Almehed, S, Almeida, F, Alvsvaag, S, Amaldi, U, Andreazza, A, Antilogus, P, Apel, W, Apsimon, R, Arnoud, Y, Asman, B, Augustin, J, Augustinus, A, Baillon, P, Bambade, P, Barao, F, Barate, R, Barbiellini, G, Bardin, D

    Published 1994
    “…Using the measured leptonic forward-backward asymmetries and assuming lepton universality, the squared vector and axial-vector couplings of the Z0 to charged leptons are found to be gvl2 = (1.47 ± 0.51) × 10-3 and gAl2 = 0.2483 ± 0.0016. …”
    Journal article
  8. 528

    Search for lepton flavor violation in ep collisions at 300 GeV center of mass energy by Derrick, M, Krakauer, D, Magill, S, Mikunas, D, Musgrave, B, Okrasiński, JR, Repond, J, Stanek, R, Talaga, R, Zhang, H, Mattingly, M, Anselmo, F, Antonioli, P, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Bruni, P, Cara Romeo, G, Castellini, G, Cifarelli, L, Cindolo, F, Contin, A

    Published 1997
    “…Using the ZEUS detector at the HERA electron-proton collider, we have searched for lepton flavor violation in ep collisions at a center-of-mass energy (√s) of 300 GeV. …”
    Journal article
  9. 529

    Search for Lepton Flavor Violating Decays tau(-) -> l(-)K(s)(0) with the BABAR Experiment by Aubert, B, Bona, M, Karyotakis, Y, Lees, J, Poireau, V, Prencipe, E, Prudent, X, Tisserand, V, Tico, J, Grauges, E, Lopez, L, Palano, A, Pappagallo, M, Eigen, G, Stugu, B, Sun, L, Abrams, G, Battaglia, M, Brown, D, Cahn, R, Jacobsen, R, Kerth, LT, Kolomensky, Y, Lynch, G, Osipenkov, I

    Published 2009
    “…A search for the lepton flavor violating decays τ-→l-KS0 (l=e or μ) has been performed using a data sample corresponding to an integrated luminosity of 469fb-1, collected with the BABAR detector at the SLAC PEP-II e+e- asymmetric energy collider. …”
    Journal article
  10. 530

    Improved direct measurement of Ab and Ac at the Z0 pole using a lepton tag by Abe, K, Abe, K, Abe, T, Adam, I, Akimoto, H, Aston, D, Baird, K, Baltay, C, Band, H, Barklow, T, Bauer, J, Bellodi, G, Berger, R, Blaylock, G, Bogart, JR, Bower, G, Brau, J, Breidenbach, M, Bugg, WM, Burke, D, Burnett, T, Burrows, P, Calcaterra, A, Cassell, R, Chou, A

    Published 2002
    “…The improved direct measurement of Ab at the Z0 pole using a lepton tag was presented. The measurements were carried out using identified charged leptons from semileptonic decays. …”
    Journal article
  11. 531

    Direct CP, Lepton Flavor, and Isospin Asymmetries in the Decays B -> K((*))l(+)l(-) by Aubert, B, Bona, M, Karyotakis, Y, Lees, J, Poireau, V, Prencipe, E, Prudent, X, Tisserand, V, Tico, J, Grauges, E, Lopez, L, Palano, A, Pappagallo, M, Eigen, G, Stugu, B, Sun, L, Abrams, G, Battaglia, M, Brown, D, Cahn, R, Jacobsen, R, Kerth, LT, Kolomensky, Y, Lynch, G, Osipenkov, I

    Published 2009
    “…We find no evidence for direct CP or lepton-flavor asymmetries. However, for dilepton masses below the J/ψ resonance, we find evidence for unexpectedly large isospin asymmetries in both B→Kl+l- and B→K*l+l- which differ, respectively, by 3.2σ and 2.7σ, including systematic uncertainties, from the standard model expectations. © 2009 The American Physical Society.…”
    Journal article
  12. 532

    Search for new physics in photon-lepton events in pp̄ collisions at √s = 1.8 TeV by Acosta, D, Affolder, T, Akimoto, H, Albrow, MG, Ambrose, D, Amidei, D, Anikeev, K, Antos, J, Apollinari, G, Arisawa, T, Artikov, A, Asakawa, T, Ashmanskas, W, Azfar, F, Azzi-Bacchetta, P, Bacchetta, N, Bachacou, H, Badgett, W, Bailey, S, de Barbaro, P, Barbaro-Galtieri, A, Barnes, V, Barnett, B, Baroiant, S, Barone, M

    Published 2002
    “…An a priori search for inclusive photon + lepton production was made. It was found that subsamples of this data set agree well with their standard model (SM) prediction, with the possible exception of γℓ∄T.…”
    Journal article
  13. 533
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  20. 540