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    Mass limits for scalar muons, scalar electrons, and winos from e+e− collisions near √ = 91 GeV (English)

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    In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics ; 233 , 3-4 ; 530-537  ; 1989
    • ISSN:
      0370-2693
    • Article (Journal)  /  Electronic Resource

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    Abstract We have searched for scalar muons μ , scalar electrons ẽ, and winos W̃ from the reactions e + e − → e ̃ + e ̃ −, μ + μ −, W ̃ + W ̃ − at √s ∼ 91 GeV with an integrated luminosity of 157 nb −1. We have searched for μ + μ −, e+e−, or e−μ final states with missing transverse momentum P T > 6 GeV. These final states are signatures for the production of ẽ, μ , and W̃. We found no events. Our results are M μ > 41 GeV , M e ̃ > 41 GeV , and M W ̃ > 44 GeV at the 95% confidence level.

    Table of contents – Volume 233, Issue 3-4

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    263
    A new self-consistent approach to relativistic nuclear matter calculations
    Lee, Y.J. / Nuppenau, C. / Mackellar, A.D. et al. | 1989
    267
    ϱ-meson-nucleon tensor coupling in relativistic quark models
    Weber, H.J. et al. | 1989
    271
    Single particle strength distributions in inclusive electron scattering
    Takayanagi, Kazuo et al. | 1989
    277
    Quasi-elastic and deep-inelastic primary cross sections in the 20Ne+159Tb reaction at 15 MeV/u
    Kotlinski, B. / Wilschut, H.W. / Crouzen, P.C.N. / Kaper, H.J. / Koldenhof, E.E. / Leegte, H.K.W. / Siemssen, R.H. / Xie, X.Y. et al. | 1989
    281
    Multi-nucleon pion absorption in the 4He(π+, ppp)n reaction
    Weber, P. / McAlister, J. / Olszewski, R. / Feltham, A. / Hanna, M. / Humphrey, D. / Johnson, R.R. / Lolos, G.J. / Mardor, Y. / May-Tal, S. et al. | 1989
    286
    BRST transformations for an affine gauge model of gravity with local GL (4, R ) symmetry
    Lee, C.Y. / Ne'eman, Y. et al. | 1989
    291
    Topological gauge theory of gravity in five and all odd dimensions
    Chamseddine, A.H. et al. | 1989
    295
    Curved spacetime one-loop gravity in a physical gauge
    Griffin, Paul A. / Kosower, David A. et al. | 1989
    301
    The cosmological constant in Witten's superstring field theory
    Siopsis, George et al. | 1989
    307
    Covariant separation of first-class and second-class constraints for the Green-Schwarz superstring
    Evans, Jonathan M. et al. | 1989
    313
    A generalised Virasoro algebra for the type IIA superstring
    Pope, C.N. / Sezgin, E. et al. | 1989
    322
    Genus g temperature string theory
    Murphy, Philip / Sen, Siddhartha et al. | 1989
    331
    The conformal anomaly and one-loop effective action in a midisuperspace model
    Gegenberg, J. / Kunstatter, G. et al. | 1989
    336
    The exact S-matrix of the affine E8 Toda field theory
    Destri, C. / de Vega, H.J. et al. | 1989
    343
    Topological gauge theory and twistors
    Nair, V.P. / Schiff, Jeremy et al. | 1989
    349
    Infinite dimensional algebra for all the (super-)field theories in four dimensions
    Eisenberg, Yeshayahu et al. | 1989
    355
    Feigin-Fuchs bosonization of Lykken parafermions and SU(1,1) Kač-Moody algebras
    Hernández, Oscar F. et al. | 1989
    359
    Classical exchange algebras in the Wess-Zumino-Witten model
    Blok, B. et al. | 1989
    363
    BRST quantization of conformal field theories on a random surface
    Kuramoto, Tetsuji et al. | 1989
    369
    Duality off the critical point in two-dimensional systems with non abelian symmetries
    Kutasov, David et al. | 1989
    374
    Uq(s1(2)) invariant operators and minimal theories fusion matrices
    Ganchev, Alexander Ch. / Petkova, Valentina B. et al. | 1989
    383
    Algebraic characterization of ergodicity
    Gozzi, E. / Reuter, M. et al. | 1989
    393
    Discrete Yang-Mills connections
    Morrison, Kent et al. | 1989
    395
    Representations of the quantum group GLq(2) for values of q on the unit circle
    Floratos, E.G. et al. | 1989
    400
    Effective action induced by fermions with large Majorana masses
    Goity, J.L. / Soto, J. et al. | 1989
    407
    Semi-relativistic stability and critical mass of a system of spinless bosons in gravitational interaction
    Martin, André / Roy, S.M. et al. | 1989
    412
    Damping of vibrations and of the secular instability in quark stars
    Sawyer, R.F. et al. | 1989
    417
    On the order of the phase transition in the 3D three-state Potts model with anti-ferromagnetic next-to-nearest neighbour coupling
    Gavai, R.V. / Karsch, F. et al. | 1989
    423
    The Gross-Neveu model near the critical temperature. A mechanism for quark-hadron phase transition in relativistic ion collisions
    Antoniou, N.G. / Karanikas, A.I. / Papadopoulos, C.G. et al. | 1989
    429
    SU(2)-breaking effects for meson masses in lattice QCD
    Bramon, A. / Casulleras, J. et al. | 1989
    434
    Unified approach to the E T-dependence of J/ψ absorption and the hadronic to quark matter phase transition
    Blaschke, D. / Röpke, G. / Schulz, H. et al. | 1989
    439
    Can topology solve the UA(1) problem in the real world?
    Gausterer, H. / Potvin, J. / Sanielevici, S. / Woit, P. et al. | 1989
    446
    The constituent quark model revisited. Masses and magnetic moments
    Lipkin, Harry J. et al. | 1989
    451
    Gauge-invariant, nonperturbative approach to the infrared-finite bound-state problem in QCD
    Gogokhia, V.Sh. et al. | 1989
    457
    Correlated two-pion exchange and the elusive intermediate-range attraction in skyrme-type models
    Kaiser, N. / Meißner, Ulf-G. et al. | 1989
    461
    On the A- and Q 2-dependence of shadowing in deep-inelastic scattering on heavy nuclei
    Bilchak, C.L. / Schildknecht, D. / Stroughair, J.D. et al. | 1989
    467
    Vector mesons, anomalies and the KSFR relation
    Cohen, Thomas D. et al. | 1989
    474
    φ-ω, φ-ϱ Mixings and the decay φ→π + π −
    Achasov, N.N. / Kozhevnikov, A.A. et al. | 1989
    479
    On the origin of time-dependent CP asymmetries in neutral B decays
    Gronau, Michael et al. | 1989
    485
    Searching for (intermediate mass) Higgs bosons through b' decays
    Hou, Wei-Shu / Stuart, Robin G. et al. | 1989
    493
    Analysis of p- p elastic scattering at energy √ s=546 GeV
    Belyakov, A.V. / Grashin, A.F. / Lepeshkin, M.V. et al. | 1989
    496
    Z 0 decay to photon and variant axion
    Kim, Jihn E. / Lee, Ung Won et al. | 1989
    499
    Tests of extended gauge structures with high statistics at the Z peak
    Nardi, Enrico et al. | 1989
    505
    Testing the hypothesis of strongly interacting longitudinal weak bosons in electron-positron collisions at TeV energies
    Dobado, A. / Herrero, Maria J. et al. | 1989
    512
    Right-handed vector bosons in p- p and p-p collisions as a source of anomalous events
    Feruglio, F. / Maiani, L. / Masiero, A. et al. | 1989
    517
    The gluon content of the pion from high-p t photon production
    Aurenche, P. / Baier, R. / Fontannaz, M. / Kienzle-Focacci, M.N. / Werlen, M. et al. | 1989
    522
    Measurement of the mass and lifetime of the charmed strange baryon Ξ + c
    Barlag, S. / Becker, H. / Böhringer, T. / Bosman, M. / Castillo, V. / Chabaud, V. / Damerell, C. / Daum, C. / Dietl, H. / Gillman, A. et al. | 1989
    530
    Mass limits for scalar muons, scalar electrons, and winos from e+e− collisions near √ = 91 GeV
    Adeva, B. / Adriani, O. / Aguilar-Benitez, M. / Akbari, H. / Alcaraz, J. / Aloisio, A. / Alviggi, M.G. / An, Q. / Anderhub, H. / Andersson, A.L. et al. | 1989
    538
    Erratum
    | 1989
    539
    Cumulative author index to volume 231-233
    | 1989

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