Search for stable and long-lived massive charged particles in e+e− collisions at s=130–209 GeV
- Abbiendi, G.
- Ainsley, C.
- Åkesson, P.F.
- Alexander, G.
- Allison, J.
- Amaral, P.
- Anagnostou, G.
- Anderson, K.J.
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- Asai, S.
- Axen, D.
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- Duckeck, G.
- Duerdoth, I.P.
- Etzion, E.
- Fabbri, F.
- Feld, L.
- Ferrari, P.
- Fiedler, F.
- Fleck, I.
- Ford, M.
- Frey, A.
- Fürtjes, A.
- Gagnon, P.
- Gary, J.W.
- Gaycken, G.
- Geich-Gimbel, C.
- Giacomelli, G.
- Giacomelli, P.
- Giunta, M.
- Goldberg, J.
- Gross, E.
- Grunhaus, J.
- Gruwé, M.
- Günther, P.O.
- Gupta, A.
- Hajdu, C.
- Hamann, M.
- Hanson, G.G.
- Harder, K.
- Harel, A.
- Harin-Dirac, M.
- Hauschild, M.
- Hawkes, C.M.
- Hawkings, R.
- Hemingway, R.J.
- Hensel, C.
- Herten, G.
- Heuer, R.D.
- Hill, J.C.
- Hoffman, K.
- Horváth, D.
- Igo-Kemenes, P.
- Ishii, K.
- Jeremie, H.
- Jovanovic, P.
- Junk, T.R.
- Kanaya, N.
- Kanzaki, J.
- Karapetian, G.
- Karlen, D.
- Kawagoe, K.
- Kawamoto, T.
- Keeler, R.K.
- Kellogg, R.G.
- Kennedy, B.W.
- Kim, D.H.
- Klein, K.
- Klier, A.
- Kluth, S.
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- Komamiya, S.
- Kormos, L.
- Krämer, T.
- Krieger, P.
- von Krogh, J.
- Kruger, K.
- Kuhl, T.
- Kupper, M.
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- Sarkisyan, E.K.G.
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- Schaile, O.
- Scharff-Hansen, P.
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- Schörner-Sadenius, T.
- Schröder, M.
- Schumacher, M.
- Schwick, C.
- Scott, W.G.
- Seuster, R.
- Shears, T.G.
- Shen, B.C.
- Sherwood, P.
- Siroli, G.
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- Smith, A.M.
- Sobie, R.
- Söldner-Rembold, S.
- Spano, F.
- Stahl, A.
- Stephens, K.
- Strom, D.
- Ströhmer, R.
- Tarem, S.
- Tasevsky, M.
- Taylor, R.J.
- Teuscher, R.
- Thomson, M.A.
- Torrence, E.
- Toya, D.
- Tran, P.
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- Trócsányi, Z.
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- Turner-Watson, M.F.
- Ueda, I.
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- Vollmer, C.F.
- Vannerem, P.
- Vértesi, R.
- Verzocchi, M.
- Voss, H.
- Vossebeld, J.
- Waller, D.
- Ward, C.P.
- Ward, D.R.
- Watkins, P.M.
- Watson, A.T.
- Watson, N.K.
- Wells, P.S.
- Wengler, T.
- Wermes, N.
- Wetterling, D.
- Wilson, G.W.
- Wilson, J.A.
- Wolf, G.
- Wyatt, T.R.
- Yamashita, S.
- Zer-Zion, D.
- Zivkovic, L.
DOIAbstract
AbstractA search for stable and long-lived massive particles of electric charge |Q/e|=1 or fractional charges of 2/3, 4/3, and 5/3 is reported using data collected by the OPAL detector at LEP, at centre-of-mass energies from 130 to 209 GeV. These particles are assumed to be pair-produced in e+e− collisions and not to interact strongly. No evidence for the production of these particles was observed. Model-independent upper limits on the production cross-section between 0.005 and 0.028 pb have been derived for scalar and spin-1/2 particles with charge ±1. Within the framework of the Constrained Minimal Supersymmetric Standard Model (CMSSM), this implies a lower limit of 98.0 (98.5) GeV on the mass of long-lived right- (left-)handed scalar muo...
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