A search for acoplanar pairs of leptons or jets in Z0 decays. Mass limits on supersymmetric particles

Akrawy, M. Z.; Alexander, G.; Allison, J.; Allport, P. P.; Anderson, K. J.; Armitage, John C.; Arnison, G.; Ashton, P.; Azuelos, G.; Baines, J. T.; Ball, A. H.; Banks, J.; Barker, G. J.; Barlow, R. J.; Batley, J. R.; Bavaria, G.; Beck, F.; Bell, K. W.; Bella, G.; Bethke, S.; Biebel, O.; Bloodworth, I. J.; Bock, P.; Breuker, H.; Brown, R. M.; Brun, R.; Buijs, A.; Burckhart, H.; Capiluppi, P.; Carnegie, R. K.; Carter, A.A.; Carter, J.R.; Chang, C. Y.; Charlton, David; Chrin, J.; Cohen, I.; Conboy, J. E.; Couch, M.; Coupland, M.; Cuffiani, M.; Dado, S.; Dallavalle, G. M.; Davies, O. W.; Deninno, M.; Dieckmann, A.; Dittmar, M.; Dixit, M. S.; Duchesneau, D.; Duchovni, E.; Duerdoth, I. P.; Dumas, D. J.P.; Mamouni, H. El; Elcombe, P. A.; Estabrooks, P. G.; Etzion, E.; Fabbri, F.; Farthouat, P.; Fischer, H. M.; Fong, D. G.; French, M. T.; Fukunaga, C.; Gandois, B.; Ganel, O.; Gary, J. W.; Geddes, N. I.; Gee, C. N. P.; Geich-Gimbel, C.; Gensler, S. W.; Gentit, F. X.; Giacomelli, G.; Gibson, W. R.; Gillies, J. D.; Goldberg, J.; Goodrick, M. J.; Gorn, W.; Granite, D.; Gross, E.; Grosse‐Wiesmann, P.; Grunhaus, J.; Hagedorn, H.; Hagemann, J.; Hansroul, M.; Hargrove, C. K.; Hart, J. C.; Hattersley, P. M.; Hatzifotiadou, D.; Hauschild, M.; Hawkes, C. M.; Heflin, E.; Heintze, J.; Hemingway, R. J.; Heuer, R. D.; Hill, J. C.; Hillier, S. J.; Hinde, P. S.; Ho, C.; Hobbs, J.; Hobson, P. R.; Hochman, D.; Holl, B.; Homer, R. J.; Hou, S.; Howarth, C. P.; Hughes-Jones, R. E.; Igo‐Kemenes, P.; Imori, M.; Imrie, D. C.; Jawahery, A.; Jeffreys, P. W.; Jérémie, H.; Jimack, M.; Jin, Elaine W.; Jobes, M.; Jones, Roger; Jovanović, P.; Karlen, D.; Kawagoe, K.; Kawamoto, T.; Kellogg, R. G.; Kennedy, B. W.; Kleinwort, C.; Klem, D. E.; Knop, G.; Kobayashi, Tatsuo; Köpke, L.; Kokott, T. P.; Koshiba, M.; Kowalewski, R.; Kreutzmann, H.; Krogh, J. von; Kroll, J.; Kyberd, P.; Lafferty, G. D.; Lamarche, F.; Larson, W. J.; Lasota, M. M.B.; Layter, J. G.; Dû, P. Le; Leblanc, P.; Lellouch, D.; Lennert, P.; Lessard, L.; Levinson, L.; Lloyd, S. L.; Loebinger, F. K.; Lorah, J. M.; Lorazo, B.; Losty, M. J.; Ludwig, J.; Lupu, N.; Ma, J.; Macbeth, A. A.; Mannelli, M.; Marcellini, S.; Maringer, G.; Martin, J. P.; Mäshimo, T.; Mättig, P.; Maur, U.; McMahon, Thomas J.; McPherson, A. C.; Meijers, F.; Menszner, D.; Merritt, F. S.; Mes, H.; Michelini, A.; Middleton, R. P.; Mikenberg, G.; Miller, D. J.; Milstène, C.; Minowa, M.; Mohr, W.; Montanari, A.; Mori, T.; Moss, M. W.; Müller, A.‐S.; Murphy, P. G.; Murray, W. J.; Nellen, B.; Nguyen, H. H.; Nozaki, M.; O'Dowd, A. J.P.; O’Neale, S. W.; O'Neill, B. P.; Oakham, F. G.; Odorici, F.; Ogg, M.; Oh, H.; Oreglia, M. J.; Orito, S.; Patrick, G. N.; Pawley, S. J.; Pérez, A.; Pilcher, J. E.; Pinfold, J. L.; Plane, D. E.; Poli, B.; Possoz, A.; Pouladdej, A.; Pritchard, T. W.; Quast, G.; Raab, J.; Redmond, M. W.; Rees, D. L.; Regimbald, M.; Riles, K.; Roach, C. M.; Roehner, F.; Rollnik, A.; Roney, J. M.; Rossi, A.; Routenburg, P.; Runge, K.; Runólfsson, Ö.; Sanghera, S.; Sansum, R. A.; Sasaki, M.; Saunders, B. J.; Schaile, A. D.; Schaile, O.; Schappert, W.; Scharff-Hansen, P.; Schmitt, H. von der; Schreiber, S.; Schwarz, J.; Shapira, A.; Shen, B. C.; Sherwood, P.; Simon, A.; Siroli, G. P.; Skuja, A.; Smith, A. M.; Smith, T. J.; Snow, G. A.; Spreadbury, E. J.; Springer, R. W.; Sproston, M.; Stephens, K.; Steuerer, J.; Stier, H. E.; Ströhmer, R.; Strom, D.; Takeda, Hiroshi; Takeshita, T.; Tsukamoto, T.; Turner, M.; Tysarczyk, G.; plas, D. Van den; VanDalen, G.; Virtue, C. J.; Wagner, A.; Wahl, C.; Wang, H.; Ward, C. P.; Ward, D. R.; Waterhouse, J.; Watkins, P. M.; Watson, A. T.; Watson, N. K.; Weber, M.; Weisz, S.; Wermes, N.; Weymann, M.; Wilson, G. W.; Wilson, J. A.; Wingerter, Isabelle; Winterer, V. H.; Wood, N. C.; Wotton, S. A.; Wuensch, B. J.; Wyatt, T. R.; Yaari, R.; Yamashita, Hiroshi; Yang, Yifan; Yekutieli, G.; Zeuner, W. D.; Zorn, G. T.; Zylberajch, S.

doi:10.1016/0370-2693(90)90444-b

Cited by 78 publications

(2 citation statements)

References 19 publications

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“…Direct searches for SUSY particles (scalar leptons, scalar quarks, charginos and neutralinos) were carried out by LEP experiments. OPAL, like other LEP experiments, made searches in the Z 0 decay channels, 82 , 83 ) and at each energy point of LEP2 up to its highest energies. 84 – 86 ) None of them showed any sign of direct productions of SUSY particles.…”

Section: Lep Period (1989–)mentioning

confidence: 99%

Experimental verification of the standard model of particle physics

Kobayashi

2021

Proceedings of the Japan Academy. Ser. B: Physical and Biologic

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The history concerning an experimental verification of the standard model of particle physics is reviewed with special emphasis on results from experiments using the highestenergy particle colliders, namely, PETRA, LEP and LHC. This article covers physics subjects from discovering the gluon and precise measurements at LEP, to discovering the Higgs boson. It also covers some searches for physics beyond the standard model, particularly supersymmetry, as well as recent developments of some particle detectors that were used in those experiments.

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Section: Lep Period (1989–)mentioning

confidence: 99%

Experimental verification of the standard model of particle physics

Kobayashi

2021

Proceedings of the Japan Academy. Ser. B: Physical and Biologic

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“…This is now called: the EGM effect (from the initials of Evolution of Gaugino Masses). To compute the energy threshold using only the 'running' of the gauge couplings (α 1 , α 2 , α 3 ) corresponds to neglecting nearly three orders of magnitude in the energy threshold for the discovery of the first particle (the lightest) of the Superworld [12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28].…”

Section: The Unification Of All Fundamental Forcesmentioning

confidence: 99%

Time-Shift in the OPERA Setup: Proof against Superluminal Neutrinos without the need of knowing the CERN-LNGS distance and Reminiscences on the Origin of the Gran Sasso Lab, of the Third Neutrino and of the "Teramo Anomaly"

Zichichi

2012

Asia Pac. Phys. Newslett.

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The LVD time stability allows one to establish a time-shift in the OPERA experiment, thus providing the first proof against superluminal neutrinos, using the horizontal muons of the "Teramo Anomaly." This proof is particularly interesting because it does not need the knowledge of the distance between the location at which the neutrinos are produced (CERN) and the location they are detected (LNGS). Since the superluminal neutrinos generated in the physics community a vivid interest in good and bad behavior in physics research, the author thought it was appropriate to recall the origin of the Gran Sasso Lab, of the third neutrino, of the horizontal muons due to the "Teramo Anomaly" and of the oscillation between leptonic flavors, when the CERN-Gran Sasso neutrino beam was included in the project for the most powerful underground laboratory in the world.

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Mass spectra of supersymmetric particles and experimental bounds

Borzumati

1992

Phenomenological Aspects of Supersymmetry

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A search for acoplanar pairs of leptons or jets in Z0 decays. Mass limits on supersymmetric particles

Cited by 78 publications

References 19 publications

Experimental verification of the standard model of particle physics

Experimental verification of the standard model of particle physics

Time-Shift in the OPERA Setup: Proof against Superluminal Neutrinos without the need of knowing the CERN-LNGS distance and Reminiscences on the Origin of the Gran Sasso Lab, of the Third Neutrino and of the "Teramo Anomaly"

Mass spectra of supersymmetric particles and experimental bounds

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