Search for pair produced stable singly charged heavy particles in Z0 decays

M. Z. Akrawy; G. Alexander; J. Allison; P. P. Allport; K. J. Anderson; J. C. Armitage; G. T.J. Arnison; P. Ashton; G. Azuelos; J. T.M. Baines; A. H. Ball; J. Banks; G. J. Barker; R. J. Barlow; J. R. Batley; A. Beck; J. Becker; T. Behnke; K. W. Bell; G. Bella; S. Bethke; O. Biebel; U. Binder; I. J. Bloodworth; P. Bock; H. Breuker; R. M. Brown; R. Brun; A. Buijs; H. J. Burckhart; P. Capiluppi; R. K. Carnegie; A. A. Carter; J. R. Carter; C. Y. Chang; D. G. Charlton; J. T.M. Chrin; P. E.L. Clarke; I. Cohen; W. J. Collins; J. E. Conboy; M. Couch; M. Coupland; M. Cuffiani; S. Dado; G. M. Dallavalle; P. Debu; M. M. Deninno; A. Dieckmann; M. Dittmar; M. S. Dixit; E. Duchovni; I. P. Duerdoth; D. J.P. Dumas; H. El Mamouni; P. A. Elcombe; P. G. Estabrooks; E. Etzion; F. Fabbri; P. Farthouat; H. M. Fischer; D. G. Fong; M. T. French; C. Fukunaga; A. Gaidot; O. Ganel; J. W. Gary; J. Gascon; N. I. Geddes; C. N.P. Gee; C. Geich-Gimbel; S. W. Gensler; F. X. Gentit; G. Giacomelli; V. Gibson; W. R. Gibson; J. D. Gillies; J. Goldberg; M. J. Goodrick; W. Gorn; D. Granite; E. Gross; J. Grunhaus; H. Hagedorn; J. Hagemann; M. Hansroul; C. K. Hargrove; I. Harrus; J. Hart; P. M. Hattersley; M. Hauschild; C. M. Hawkes; E. Heflin; R. J. Hemingway; R. D. Heuer; J. C. Hill; S. J. Hillier; C. Ho; J. D. Hobbs; P. R. Hobson; D. Hochman; B. Holl; R. J. Homer; S. R. Hou; C. P. Howarth; R. E. Hughes-Jones; R. Humbert; P. Igo-Kemenes; H. Ihssen; D. C. Imrie; L. Janissen; A. Jawahery; P. W. Jeffreys; H. Jeremie; M. Jimack; M. Jobes; R. W.L. Jones; P. Jovanovic; D. Karlen; K. Kawagoe; T. Kawamoto; R. G. Kellogg; B. W. Kennedy; C. Kleinwort; D. E. Klem; G. Knop; T. Kobayashi; T. P. Kokott; L. Köpke; R. Kowalewski; H. Kreutzmann; J. Kroll; M. Kuwano; P. Kyberd; G. D. Lafferty; F. Lamarche; W. J. Larson; J. G. Layter; P. Le Du; P. Leblanc; A. M. Lee; M. H. Lehto; D. Lellouch; P. Lennert; L. Lessard; L. Levinson; S. L. Lloyd; F. K. Loebinger; J. M. Lorah; B. Lorazo; M. J. Losty; J. Ludwig; J. Ma; A. A. Macbeth; M. Mannelli; S. Marcellini; G. Maringer; A. J. Martin; J. P. Martin; T. Mashimo; P. Mättig; U. Maur; T. J. McMahon; J. R. McNutt; F. Meijers; D. Menszner; F. S. Merritt; H. Mes; A. Michelini; R. P. Middleton; G. Mikenberg; J. Mildenberger; D. J. Miller; C. Milstene; M. Minowa; W. Mohr; A. Montanari; T. Mori; M. W. Moss; P. G. Murphy; W. J. Murray; B. Nellen; H. H. Nguyen; M. Nozaki; A. J.P. O'Dowd; S. W. O'Neale; B. P. O'Neill; F. G. Oakham; F. Odorici; M. Ogg; H. Oh; M. J. Oreglia; S. Orito; J. P. Pansart; G. N. Patrick; S. J. Pawley; P. Pfister; J. E. Pilcher; J. L. Pinfold; D. E. Plane; B. Poli; A. Pouladdej; E. Prebys; T. W. Pritchard; G. Quast; J. Raab; M. W. Redmond; D. L. Rees; M. Regimbald; K. Riles; C. M. Roach; S. A. Robins; A. Rollnik; J. M. Roney; S. Rossberg; A. M. Rossi; P. Routenburg; K. Runge; O. Runolfsson; S. Sanghera; R. A. Sansum; M. Sasaki; B. J. Saunders; A. D. Schaile; O. Schaile; W. Schappert; P. Scharff-Hansen; S. Schreiber; J. Schwarz; A. Shapira; B. C. Shen; P. Sherwood; A. Simon; P. Singh; G. P. Siroli; A. Skuja; A. M. Smith; T. J. Smith; G. A. Snow; R. W. Springer; M. Sproston; K. Stephens; H. E. Stier; R. Stroehmer; D. Strom; H. Takeda; T. Takeshita; N. J. Thackray; T. Tsukamoto; M. F. Turner; G. Tysarczyk-Niemeyer; D. Van den plas; G. J. VanDalen; G. Vasseur; C. J. Virtue; H. von der Schmitt; J. von Krogh; A. Wagner; C. Wahl; J. P. Walker; C. P. Ward; D. R. Ward; P. M. Watkins; A. T. Watson; N. K. Watson; M. Weber; S. Weisz; P. S. Wells; N. Wermes; M. Weymann; G. W. Wilson; J. A. Wilson; I. Wingerter; V. H. Winterer; N. C. Wood; S. Wotton; B. Wuensch; T. R. Wyatt; R. Yaari; Y. Yang; G. Yekutieli; T. Yoshida; W. Zeuner; G. T. Zorn

doi:10.1016/0370-2693(90)90875-7

Search for pair produced stable singly charged heavy particles in Z⁰ decays

M. Z. Akrawy, G. Alexander, J. Allison, P. P. Allport, K. J. Anderson, J. C. Armitage, G. T.J. Arnison, P. Ashton, G. Azuelos, J. T.M. Baines, A. H. Ball, J. Banks, G. J. Barker, R. J. Barlow, J. R. Batley, A. Beck, J. Becker, T. Behnke, K. W. Bell, G. BellaS. Bethke, O. Biebel, U. Binder, I. J. Bloodworth, P. Bock, H. Breuker, R. M. Brown, R. Brun, A. Buijs, H. J. Burckhart, P. Capiluppi, R. K. Carnegie, A. A. Carter, J. R. Carter, C. Y. Chang, D. G. Charlton, J. T.M. Chrin, P. E.L. Clarke, I. Cohen, W. J. Collins, J. E. Conboy, M. Couch, M. Coupland, M. Cuffiani, S. Dado, G. M. Dallavalle, P. Debu, M. M. Deninno, A. Dieckmann, M. Dittmar, M. S. Dixit, E. Duchovni, I. P. Duerdoth, D. J.P. Dumas, H. El Mamouni, P. A. Elcombe, P. G. Estabrooks, E. Etzion, F. Fabbri, P. Farthouat, H. M. Fischer, D. G. Fong, M. T. French, C. Fukunaga, A. Gaidot, O. Ganel, J. W. Gary, J. Gascon, N. I. Geddes, C. N.P. Gee, C. Geich-Gimbel, S. W. Gensler, F. X. Gentit, G. Giacomelli, V. Gibson, W. R. Gibson, J. D. Gillies, J. Goldberg, M. J. Goodrick, W. Gorn, D. Granite, E. Gross, J. Grunhaus, H. Hagedorn, J. Hagemann, M. Hansroul, C. K. Hargrove, I. Harrus, J. Hart, P. M. Hattersley, M. Hauschild, C. M. Hawkes, E. Heflin, R. J. Hemingway, R. D. Heuer, J. C. Hill, S. J. Hillier, C. Ho, J. D. Hobbs, P. R. Hobson, D. Hochman, B. Holl, R. J. Homer, S. R. Hou, C. P. Howarth, R. E. Hughes-Jones, R. Humbert, P. Igo-Kemenes, H. Ihssen, D. C. Imrie, L. Janissen, A. Jawahery, P. W. Jeffreys, H. Jeremie, M. Jimack, M. Jobes, R. W.L. Jones, P. Jovanovic, D. Karlen, K. Kawagoe, T. Kawamoto, R. G. Kellogg, B. W. Kennedy, C. Kleinwort, D. E. Klem, G. Knop, T. Kobayashi, T. P. Kokott, L. Köpke, R. Kowalewski, H. Kreutzmann, J. Kroll, M. Kuwano, P. Kyberd, G. D. Lafferty, F. Lamarche, W. J. Larson, J. G. Layter, P. Le Du, P. Leblanc, A. M. Lee, M. H. Lehto, D. Lellouch, P. Lennert, L. Lessard, L. Levinson, S. L. Lloyd, F. K. Loebinger, J. M. Lorah, B. Lorazo, M. J. Losty, J. Ludwig, J. Ma, A. A. Macbeth, M. Mannelli, S. Marcellini, G. Maringer, A. J. Martin, J. P. Martin, T. Mashimo, P. Mättig, U. Maur, T. J. McMahon, J. R. McNutt, F. Meijers, D. Menszner, F. S. Merritt, H. Mes, A. Michelini, R. P. Middleton, G. Mikenberg, J. Mildenberger, D. J. Miller, C. Milstene, M. Minowa, W. Mohr, A. Montanari, T. Mori, M. W. Moss, P. G. Murphy, W. J. Murray, B. Nellen, H. H. Nguyen, M. Nozaki, A. J.P. O'Dowd, S. W. O'Neale, B. P. O'Neill, F. G. Oakham, F. Odorici, M. Ogg, H. Oh, M. J. Oreglia, S. Orito, J. P. Pansart, G. N. Patrick, S. J. Pawley, P. Pfister, J. E. Pilcher, J. L. Pinfold, D. E. Plane, B. Poli, A. Pouladdej, E. Prebys, T. W. Pritchard, G. Quast, J. Raab, M. W. Redmond, D. L. Rees, M. Regimbald, K. Riles, C. M. Roach, S. A. Robins, A. Rollnik, J. M. Roney, S. Rossberg, A. M. Rossi, P. Routenburg, K. Runge, O. Runolfsson, S. Sanghera, R. A. Sansum, M. Sasaki, B. J. Saunders, A. D. Schaile, O. Schaile, W. Schappert, P. Scharff-Hansen, S. Schreiber, J. Schwarz, A. Shapira, B. C. Shen, P. Sherwood, A. Simon, P. Singh, G. P. Siroli, A. Skuja, A. M. Smith, T. J. Smith, G. A. Snow, R. W. Springer, M. Sproston, K. Stephens, H. E. Stier, R. Stroehmer, D. Strom, H. Takeda, T. Takeshita, N. J. Thackray, T. Tsukamoto, M. F. Turner, G. Tysarczyk-Niemeyer, D. Van den plas, G. J. VanDalen, G. Vasseur, C. J. Virtue, H. von der Schmitt, J. von Krogh, A. Wagner, C. Wahl, J. P. Walker, C. P. Ward, D. R. Ward, P. M. Watkins, A. T. Watson, N. K. Watson, M. Weber, S. Weisz, P. S. Wells, N. Wermes, M. Weymann, G. W. Wilson, J. A. Wilson, I. Wingerter, V. H. Winterer, N. C. Wood, S. Wotton, B. Wuensch, T. R. Wyatt, R. Yaari, Y. Yang, G. Yekutieli, T. Yoshida, W. Zeuner, G. T. Zorn

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

A direct search for the exclusive pair production of stable singly charged heavy (SCH) particles in Z⁰ decays at the LEP e⁺e^- collider is presented. In a scan around the Z⁰ resonance of 0.4 pb^- integrated luminosity, no evidence is seen for the production of slow-moving charged particles as measured by their time-of-flight. We set an upper limit of 1 × 10^-3 on the Z⁰ branching ratio into a pair of SCH fermions in the mass range 29-40 GeV/c², corresponding to a 3 MeV upper limit on such a contribution to the total width of the Z⁰. We exclude a fourth generation SCH lepton in the mass range 18.5-42.8 GeV/c². We also exclude a stable supersymmetric partner of the right-handed lepton, l ̃_R, in the mass range 21.5-38.8 GeV/c². All limits are at 95% confidence level.

Original language	English
Pages (from-to)	290-300
Number of pages	11
Journal	Physics Letters B
Volume	252
Issue number	2
DOIs	https://doi.org/10.1016/0370-2693(90)90875-7
Publication status	Published - Dec 13 1990
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

Access to Document

10.1016/0370-2693(90)90875-7

Cite this

Akrawy, M. Z., Alexander, G., Allison, J., Allport, P. P., Anderson, K. J., Armitage, J. C., Arnison, G. T. J., Ashton, P., Azuelos, G., Baines, J. T. M., Ball, A. H., Banks, J., Barker, G. J., Barlow, R. J., Batley, J. R., Beck, A., Becker, J., Behnke, T., Bell, K. W., ... Zorn, G. T. (1990). Search for pair produced stable singly charged heavy particles in Z⁰ decays. Physics Letters B, 252(2), 290-300. https://doi.org/10.1016/0370-2693(90)90875-7

Akrawy, MZ, Alexander, G, Allison, J, Allport, PP, Anderson, KJ, Armitage, JC, Arnison, GTJ, Ashton, P, Azuelos, G, Baines, JTM, Ball, AH, Banks, J, Barker, GJ, Barlow, RJ, Batley, JR, Beck, A, Becker, J, Behnke, T, Bell, KW, Bella, G, Bethke, S, Biebel, O, Binder, U, Bloodworth, IJ, Bock, P, Breuker, H, Brown, RM, Brun, R, Buijs, A, Burckhart, HJ, Capiluppi, P, Carnegie, RK, Carter, AA, Carter, JR, Chang, CY, Charlton, DG, Chrin, JTM, Clarke, PEL, Cohen, I, Collins, WJ, Conboy, JE, Couch, M, Coupland, M, Cuffiani, M, Dado, S, Dallavalle, GM, Debu, P, Deninno, MM, Dieckmann, A, Dittmar, M, Dixit, MS, Duchovni, E, Duerdoth, IP, Dumas, DJP, El Mamouni, H, Elcombe, PA, Estabrooks, PG, Etzion, E, Fabbri, F, Farthouat, P, Fischer, HM, Fong, DG, French, MT, Fukunaga, C, Gaidot, A, Ganel, O, Gary, JW, Gascon, J, Geddes, NI, Gee, CNP, Geich-Gimbel, C, Gensler, SW, Gentit, FX, Giacomelli, G, Gibson, V, Gibson, WR, Gillies, JD, Goldberg, J, Goodrick, MJ, Gorn, W, Granite, D, Gross, E, Grunhaus, J, Hagedorn, H, Hagemann, J, Hansroul, M, Hargrove, CK, Harrus, I, Hart, J, Hattersley, PM, Hauschild, M, Hawkes, CM, Heflin, E, Hemingway, RJ, Heuer, RD, Hill, JC, Hillier, SJ, Ho, C, Hobbs, JD, Hobson, PR, Hochman, D, Holl, B, Homer, RJ, Hou, SR, Howarth, CP, Hughes-Jones, RE, Humbert, R, Igo-Kemenes, P, Ihssen, H, Imrie, DC, Janissen, L, Jawahery, A, Jeffreys, PW, Jeremie, H, Jimack, M, Jobes, M, Jones, RWL, Jovanovic, P, Karlen, D, Kawagoe, K, Kawamoto, T, Kellogg, RG, Kennedy, BW, Kleinwort, C, Klem, DE, Knop, G, Kobayashi, T, Kokott, TP, Köpke, L, Kowalewski, R, Kreutzmann, H, Kroll, J, Kuwano, M, Kyberd, P, Lafferty, GD, Lamarche, F, Larson, WJ, Layter, JG, Le Du, P, Leblanc, P, Lee, AM, Lehto, MH, Lellouch, D, Lennert, P, Lessard, L, Levinson, L, Lloyd, SL, Loebinger, FK, Lorah, JM, Lorazo, B, Losty, MJ, Ludwig, J, Ma, J, Macbeth, AA, Mannelli, M, Marcellini, S, Maringer, G, Martin, AJ, Martin, JP, Mashimo, T, Mättig, P, Maur, U, McMahon, TJ, McNutt, JR, Meijers, F, Menszner, D, Merritt, FS, Mes, H, Michelini, A, Middleton, RP, Mikenberg, G, Mildenberger, J, Miller, DJ, Milstene, C, Minowa, M, Mohr, W, Montanari, A, Mori, T, Moss, MW, Murphy, PG, Murray, WJ, Nellen, B, Nguyen, HH, Nozaki, M, O'Dowd, AJP, O'Neale, SW, O'Neill, BP, Oakham, FG, Odorici, F, Ogg, M, Oh, H, Oreglia, MJ, Orito, S, Pansart, JP, Patrick, GN, Pawley, SJ, Pfister, P, Pilcher, JE, Pinfold, JL, Plane, DE, Poli, B, Pouladdej, A, Prebys, E, Pritchard, TW, Quast, G, Raab, J, Redmond, MW, Rees, DL, Regimbald, M, Riles, K, Roach, CM, Robins, SA, Rollnik, A, Roney, JM, Rossberg, S, Rossi, AM, Routenburg, P, Runge, K, Runolfsson, O, Sanghera, S, Sansum, RA, Sasaki, M, Saunders, BJ, Schaile, AD, Schaile, O, Schappert, W, Scharff-Hansen, P, Schreiber, S, Schwarz, J, Shapira, A, Shen, BC, Sherwood, P, Simon, A, Singh, P, Siroli, GP, Skuja, A, Smith, AM, Smith, TJ, Snow, GA, Springer, RW, Sproston, M, Stephens, K, Stier, HE, Stroehmer, R, Strom, D, Takeda, H, Takeshita, T, Thackray, NJ, Tsukamoto, T, Turner, MF, Tysarczyk-Niemeyer, G, Van den plas, D, VanDalen, GJ, Vasseur, G, Virtue, CJ, von der Schmitt, H, von Krogh, J, Wagner, A, Wahl, C, Walker, JP, Ward, CP, Ward, DR, Watkins, PM, Watson, AT, Watson, NK, Weber, M, Weisz, S, Wells, PS, Wermes, N, Weymann, M, Wilson, GW, Wilson, JA, Wingerter, I, Winterer, VH, Wood, NC, Wotton, S, Wuensch, B, Wyatt, TR, Yaari, R, Yang, Y, Yekutieli, G, Yoshida, T, Zeuner, W & Zorn, GT 1990, 'Search for pair produced stable singly charged heavy particles in Z⁰ decays', Physics Letters B, vol. 252, no. 2, pp. 290-300. https://doi.org/10.1016/0370-2693(90)90875-7

@article{17a7984cf5b74a8697e719e444fcfa87,

title = "Search for pair produced stable singly charged heavy particles in Z0 decays",

abstract = "A direct search for the exclusive pair production of stable singly charged heavy (SCH) particles in Z0 decays at the LEP e+e- collider is presented. In a scan around the Z0 resonance of 0.4 pb- integrated luminosity, no evidence is seen for the production of slow-moving charged particles as measured by their time-of-flight. We set an upper limit of 1 × 10-3 on the Z0 branching ratio into a pair of SCH fermions in the mass range 29-40 GeV/c2, corresponding to a 3 MeV upper limit on such a contribution to the total width of the Z0. We exclude a fourth generation SCH lepton in the mass range 18.5-42.8 GeV/c2. We also exclude a stable supersymmetric partner of the right-handed lepton, l{\~ }R, in the mass range 21.5-38.8 GeV/c2. All limits are at 95% confidence level.",

author = "Akrawy, {M. Z.} and G. Alexander and J. Allison and Allport, {P. P.} and Anderson, {K. J.} and Armitage, {J. C.} and Arnison, {G. T.J.} and P. Ashton and G. Azuelos and Baines, {J. T.M.} and Ball, {A. H.} and J. Banks and Barker, {G. J.} and Barlow, {R. J.} and Batley, {J. R.} and A. Beck and J. Becker and T. Behnke and Bell, {K. W.} and G. Bella and S. Bethke and O. Biebel and U. Binder and Bloodworth, {I. J.} and P. Bock and H. Breuker and Brown, {R. M.} and R. Brun and A. Buijs and Burckhart, {H. J.} and P. Capiluppi and Carnegie, {R. K.} and Carter, {A. A.} and Carter, {J. R.} and Chang, {C. Y.} and Charlton, {D. G.} and Chrin, {J. T.M.} and Clarke, {P. E.L.} and I. Cohen and Collins, {W. J.} and Conboy, {J. E.} and M. Couch and M. Coupland and M. Cuffiani and S. Dado and Dallavalle, {G. M.} and P. Debu and Deninno, {M. M.} and A. Dieckmann and M. Dittmar and Dixit, {M. S.} and E. Duchovni and Duerdoth, {I. P.} and Dumas, {D. J.P.} and {El Mamouni}, H. and Elcombe, {P. A.} and Estabrooks, {P. G.} and E. Etzion and F. Fabbri and P. Farthouat and Fischer, {H. M.} and Fong, {D. G.} and French, {M. T.} and C. Fukunaga and A. Gaidot and O. Ganel and Gary, {J. W.} and J. Gascon and Geddes, {N. I.} and Gee, {C. N.P.} and C. Geich-Gimbel and Gensler, {S. W.} and Gentit, {F. X.} and G. Giacomelli and V. Gibson and Gibson, {W. R.} and Gillies, {J. D.} and J. Goldberg and Goodrick, {M. J.} and W. Gorn and D. Granite and E. Gross and J. Grunhaus and H. Hagedorn and J. Hagemann and M. Hansroul and Hargrove, {C. K.} and I. Harrus and J. Hart and Hattersley, {P. M.} and M. Hauschild and Hawkes, {C. M.} and E. Heflin and Hemingway, {R. J.} and Heuer, {R. D.} and Hill, {J. C.} and Hillier, {S. J.} and C. Ho and Hobbs, {J. D.} and Hobson, {P. R.} and D. Hochman and B. Holl and Homer, {R. J.} and Hou, {S. R.} and Howarth, {C. P.} and Hughes-Jones, {R. E.} and R. Humbert and P. Igo-Kemenes and H. Ihssen and Imrie, {D. C.} and L. Janissen and A. Jawahery and Jeffreys, {P. W.} and H. Jeremie and M. Jimack and M. Jobes and Jones, {R. W.L.} and P. Jovanovic and D. Karlen and K. Kawagoe and T. Kawamoto and Kellogg, {R. G.} and Kennedy, {B. W.} and C. Kleinwort and Klem, {D. E.} and G. Knop and T. Kobayashi and Kokott, {T. P.} and L. K{\"o}pke and R. Kowalewski and H. Kreutzmann and J. Kroll and M. Kuwano and P. Kyberd and Lafferty, {G. D.} and F. Lamarche and Larson, {W. J.} and Layter, {J. G.} and {Le Du}, P. and P. Leblanc and Lee, {A. M.} and Lehto, {M. H.} and D. Lellouch and P. Lennert and L. Lessard and L. Levinson and Lloyd, {S. L.} and Loebinger, {F. K.} and Lorah, {J. M.} and B. Lorazo and Losty, {M. J.} and J. Ludwig and J. Ma and Macbeth, {A. A.} and M. Mannelli and S. Marcellini and G. Maringer and Martin, {A. J.} and Martin, {J. P.} and T. Mashimo and P. M{\"a}ttig and U. Maur and McMahon, {T. J.} and McNutt, {J. R.} and F. Meijers and D. Menszner and Merritt, {F. S.} and H. Mes and A. Michelini and Middleton, {R. P.} and G. Mikenberg and J. Mildenberger and Miller, {D. J.} and C. Milstene and M. Minowa and W. Mohr and A. Montanari and T. Mori and Moss, {M. W.} and Murphy, {P. G.} and Murray, {W. J.} and B. Nellen and Nguyen, {H. H.} and M. Nozaki and O'Dowd, {A. J.P.} and O'Neale, {S. W.} and O'Neill, {B. P.} and Oakham, {F. G.} and F. Odorici and M. Ogg and H. Oh and Oreglia, {M. J.} and S. Orito and Pansart, {J. P.} and Patrick, {G. N.} and Pawley, {S. J.} and P. Pfister and Pilcher, {J. E.} and Pinfold, {J. L.} and Plane, {D. E.} and B. Poli and A. Pouladdej and E. Prebys and Pritchard, {T. W.} and G. Quast and J. Raab and Redmond, {M. W.} and Rees, {D. L.} and M. Regimbald and K. Riles and Roach, {C. M.} and Robins, {S. A.} and A. Rollnik and Roney, {J. M.} and S. Rossberg and Rossi, {A. M.} and P. Routenburg and K. Runge and O. Runolfsson and S. Sanghera and Sansum, {R. A.} and M. Sasaki and Saunders, {B. J.} and Schaile, {A. D.} and O. Schaile and W. Schappert and P. Scharff-Hansen and S. Schreiber and J. Schwarz and A. Shapira and Shen, {B. C.} and P. Sherwood and A. Simon and P. Singh and Siroli, {G. P.} and A. Skuja and Smith, {A. M.} and Smith, {T. J.} and Snow, {G. A.} and Springer, {R. W.} and M. Sproston and K. Stephens and Stier, {H. E.} and R. Stroehmer and D. Strom and H. Takeda and T. Takeshita and Thackray, {N. J.} and T. Tsukamoto and Turner, {M. F.} and G. Tysarczyk-Niemeyer and {Van den plas}, D. and VanDalen, {G. J.} and G. Vasseur and Virtue, {C. J.} and {von der Schmitt}, H. and {von Krogh}, J. and A. Wagner and C. Wahl and Walker, {J. P.} and Ward, {C. P.} and Ward, {D. R.} and Watkins, {P. M.} and Watson, {A. T.} and Watson, {N. K.} and M. Weber and S. Weisz and Wells, {P. S.} and N. Wermes and M. Weymann and Wilson, {G. W.} and Wilson, {J. A.} and I. Wingerter and Winterer, {V. H.} and Wood, {N. C.} and S. Wotton and B. Wuensch and Wyatt, {T. R.} and R. Yaari and Y. Yang and G. Yekutieli and T. Yoshida and W. Zeuner and Zorn, {G. T.}",

year = "1990",

month = dec,

day = "13",

doi = "10.1016/0370-2693(90)90875-7",

language = "English",

volume = "252",

pages = "290--300",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "Elsevier",

number = "2",

}

TY - JOUR

T1 - Search for pair produced stable singly charged heavy particles in Z0 decays

AU - Akrawy, M. Z.

AU - Alexander, G.

AU - Allison, J.

AU - Allport, P. P.

AU - Anderson, K. J.

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PY - 1990/12/13

Y1 - 1990/12/13

N2 - A direct search for the exclusive pair production of stable singly charged heavy (SCH) particles in Z0 decays at the LEP e+e- collider is presented. In a scan around the Z0 resonance of 0.4 pb- integrated luminosity, no evidence is seen for the production of slow-moving charged particles as measured by their time-of-flight. We set an upper limit of 1 × 10-3 on the Z0 branching ratio into a pair of SCH fermions in the mass range 29-40 GeV/c2, corresponding to a 3 MeV upper limit on such a contribution to the total width of the Z0. We exclude a fourth generation SCH lepton in the mass range 18.5-42.8 GeV/c2. We also exclude a stable supersymmetric partner of the right-handed lepton, l ̃R, in the mass range 21.5-38.8 GeV/c2. All limits are at 95% confidence level.

AB - A direct search for the exclusive pair production of stable singly charged heavy (SCH) particles in Z0 decays at the LEP e+e- collider is presented. In a scan around the Z0 resonance of 0.4 pb- integrated luminosity, no evidence is seen for the production of slow-moving charged particles as measured by their time-of-flight. We set an upper limit of 1 × 10-3 on the Z0 branching ratio into a pair of SCH fermions in the mass range 29-40 GeV/c2, corresponding to a 3 MeV upper limit on such a contribution to the total width of the Z0. We exclude a fourth generation SCH lepton in the mass range 18.5-42.8 GeV/c2. We also exclude a stable supersymmetric partner of the right-handed lepton, l ̃R, in the mass range 21.5-38.8 GeV/c2. All limits are at 95% confidence level.

UR - http://www.scopus.com/inward/record.url?scp=0003423940&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0003423940&partnerID=8YFLogxK

U2 - 10.1016/0370-2693(90)90875-7

DO - 10.1016/0370-2693(90)90875-7

M3 - Article

AN - SCOPUS:0003423940

SN - 0370-2693

VL - 252

SP - 290

EP - 300

JO - Physics Letters B

JF - Physics Letters B

IS - 2

ER -

Search for pair produced stable singly charged heavy particles in Z⁰ decays

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