Measurements of the decay of the Z0 into lepton pairs

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; G. Bavaria; C. Beard; F. Beck; K. W. Bell; G. Bella; S. Bethke; O. Biebel; I. J. Bloodworth; P. Bock; H. Boerner; 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; I. Cohen; J. E. Conboy; M. Couch; M. Coupland; M. Cuffiani; S. Dado; G. M. Dallavalle; O. W. Davies; M. M. Deninno; A. Dieckmann; M. Dittmar; M. S. Dixit; D. Duchesneau; E. Duchovni; I. P. Duerdoth; D. Dumas; H. El Mamouni; P. A. Elcombe; P. G. Estabrooks; F. Fabbri; P. Farthouat; H. M. Fischer; D. G. Fong; M. T. French; C. Fukunaga; B. Gandois; O. Ganel; J. W. Gary; N. I. Geddes; C. N.P. Gee; C. Geich-Gimbel; S. W. Gensler; F. X. Gentit; G. Giacomelli; W. R. Gibson; J. D. Gillies; J. Goldberg; M. J. Goodrick; W. Gorn; D. Granite; E. Gross; P. Grosse-Wiesmann; J. Grunhaus; H. Hagedorn; J. Hagemann; M. Hansroul; C. K. Hargrove; J. Hart; P. M. Hattersley; D. Hatzifotiadou; M. Hauschild; C. M. Hawkes; E. Heflin; J. Heintze; R. J. Hemingway; R. D. Heuer; J. C. Hill; S. J. Hillier; P. S. Hinde; 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; P. Igo-Kemenes; M. Imori; D. C. Imrie; A. Jawahery; P. W. Jeffreys; H. Jeremie; M. Jimack; E. Jin; 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; L. Köpke; T. P. Kokott; M. Koshiba; R. Kowalewski; H. Kreutzmann; J. von Krogh; J. Kroll; P. Kyberd; G. D. Lafferty; F. Lamarche; W. J. Larson; M. M.B. Lasota; J. G. Layter; P. Le Du; P. Leblanc; D. Lellouch; P. Lennert; L. Lessard; L. Levinson; S. L. Lloyd; F. K. Loebinger; J. M. Lorah; B. Lorazo; M. J. Losty; J. Ludwig; N. Lupu; J. Ma; A. A. Macbeth; M. Mannelli; S. Marcellini; G. Maringer; J. P. Martin; T. Mashimo; P. Mättig; U. Maur; T. J. McMahon; A. C. McPherson; F. Meijers; D. Menszner; F. S. Merritt; H. Mes; A. Michelini; R. P. Middleton; G. Mikenberg; D. J. Miller; C. Milstene; M. Minowa; W. Mohr; A. Montanari; T. Mori; M. W. Moss; A. Muller; P. G. Murphy; W. J. Murray; B. Nellen; H. H. Nguyen; M. Nozaki; A. J.P. O'Dowd; S. W. O'Neale; B. O'Neill; F. G. Oakham; F. Odorici; M. Ogg; H. Oh; M. J. Oreglia; S. Orito; G. N. Patrick; S. J. Pawley; A. Perez; J. E. Pilcher; J. L. Pinfold; D. E. Plane; B. Poli; A. Possoz; A. Pouladdej; T. W. Pritchard; G. Quast; J. Raab; M. W. Redmond; D. L. Rees; M. Regimbald; K. Riles; C. M. Roach; F. Roehner; A. Rollnik; J. M. Roney; 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; H. von der Schmitt; S. Schreiber; J. Schwarz; A. Shapira; B. C. Shen; P. Sherwood; A. Simon; G. P. Siroli; A. Skuja; A. M. Smith; T. J. Smith; G. A. Snow; E. J. Spreadbury; R. W. Springer; M. Sproston; K. Stephens; H. E. Stier; R. Ströhmer; D. Strom; H. Takeda; T. Takeshita; T. Tsukamoto; M. F. Turner; G. Tysarczyk; D. van den Plas; G. J. Vandalen; C. J. Virtue; A. Wagner; C. Wahl; H. Wang; C. P. Ward; D. R. Ward; J. Waterhouse; P. M. Watkins; A. T. Watson; N. K. Watson; M. Weber; S. Weisz; 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; H. Yamashita; Y. Yang; G. Yekutieli; W. Zeuner; G. T. Zorn; S. Zylberajch

doi:10.1016/0370-2693(90)91982-H

Measurements of the decay of the Z⁰ into lepton pairs

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, G. Bavaria, C. Beard, F. Beck, K. W. Bell, G. BellaS. Bethke, O. Biebel, I. J. Bloodworth, P. Bock, H. Boerner, 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, I. Cohen, J. E. Conboy, M. Couch, M. Coupland, M. Cuffiani, S. Dado, G. M. Dallavalle, O. W. Davies, M. M. Deninno, A. Dieckmann, M. Dittmar, M. S. Dixit, D. Duchesneau, E. Duchovni, I. P. Duerdoth, D. Dumas, H. El Mamouni, P. A. Elcombe, P. G. Estabrooks, F. Fabbri, P. Farthouat, H. M. Fischer, D. G. Fong, M. T. French, C. Fukunaga, B. Gandois, O. Ganel, J. W. Gary, N. I. Geddes, C. N.P. Gee, C. Geich-Gimbel, S. W. Gensler, F. X. Gentit, G. Giacomelli, W. R. Gibson, J. D. Gillies, J. Goldberg, M. J. Goodrick, W. Gorn, D. Granite, E. Gross, P. Grosse-Wiesmann, J. Grunhaus, H. Hagedorn, J. Hagemann, M. Hansroul, C. K. Hargrove, J. Hart, P. M. Hattersley, D. Hatzifotiadou, M. Hauschild, C. M. Hawkes, E. Heflin, J. Heintze, R. J. Hemingway, R. D. Heuer, J. C. Hill, S. J. Hillier, P. S. Hinde, 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, P. Igo-Kemenes, M. Imori, D. C. Imrie, A. Jawahery, P. W. Jeffreys, H. Jeremie, M. Jimack, E. Jin, 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, L. Köpke, T. P. Kokott, M. Koshiba, R. Kowalewski, H. Kreutzmann, J. von Krogh, J. Kroll, P. Kyberd, G. D. Lafferty, F. Lamarche, W. J. Larson, M. M.B. Lasota, J. G. Layter, P. Le Du, P. Leblanc, D. Lellouch, P. Lennert, L. Lessard, L. Levinson, S. L. Lloyd, F. K. Loebinger, J. M. Lorah, B. Lorazo, M. J. Losty, J. Ludwig, N. Lupu, J. Ma, A. A. Macbeth, M. Mannelli, S. Marcellini, G. Maringer, J. P. Martin, T. Mashimo, P. Mättig, U. Maur, T. J. McMahon, A. C. McPherson, F. Meijers, D. Menszner, F. S. Merritt, H. Mes, A. Michelini, R. P. Middleton, G. Mikenberg, D. J. Miller, C. Milstene, M. Minowa, W. Mohr, A. Montanari, T. Mori, M. W. Moss, A. Muller, P. G. Murphy, W. J. Murray, B. Nellen, H. H. Nguyen, M. Nozaki, A. J.P. O'Dowd, S. W. O'Neale, B. O'Neill, F. G. Oakham, F. Odorici, M. Ogg, H. Oh, M. J. Oreglia, S. Orito, G. N. Patrick, S. J. Pawley, A. Perez, J. E. Pilcher, J. L. Pinfold, D. E. Plane, B. Poli, A. Possoz, A. Pouladdej, T. W. Pritchard, G. Quast, J. Raab, M. W. Redmond, D. L. Rees, M. Regimbald, K. Riles, C. M. Roach, F. Roehner, A. Rollnik, J. M. Roney, 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, H. von der Schmitt, S. Schreiber, J. Schwarz, A. Shapira, B. C. Shen, P. Sherwood, A. Simon, G. P. Siroli, A. Skuja, A. M. Smith, T. J. Smith, G. A. Snow, E. J. Spreadbury, R. W. Springer, M. Sproston, K. Stephens, H. E. Stier, R. Ströhmer, D. Strom, H. Takeda, T. Takeshita, T. Tsukamoto, M. F. Turner, G. Tysarczyk, D. van den Plas, G. J. Vandalen, C. J. Virtue, A. Wagner, C. Wahl, H. Wang, C. P. Ward, D. R. Ward, J. Waterhouse, P. M. Watkins, A. T. Watson, N. K. Watson, M. Weber, S. Weisz, 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, H. Yamashita, Y. Yang, G. Yekutieli, W. Zeuner, G. T. Zorn, S. Zylberajch

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

36 Citations (Scopus)

Abstract

We report on a measurement of the processes e⁺e^-→e⁺e^-, e⁺e^-→μ⁺μ^-, and e⁺e^-→τ⁺τ^- near the Z⁰ pole. On the basis of 163 e⁺e^-, 101 μ⁺μ^- and 87 τ⁺τ^- events we obtain Γ_ee=89±4±4 MeV, Γ_μμ=85±9±6 MeV and Γ_ττ=87±10±8 MeV, compatible with the standard model. Combining these with our previous results on hadronic Z⁰ decays, we find a hadronic width Γ_had=1787±81±90 MeV and an invisible width Γ_inv=552±85±71 MeV.

Original language	English
Pages (from-to)	379-388
Number of pages	10
Journal	Physics Letters B
Volume	235
Issue number	3-4
DOIs	https://doi.org/10.1016/0370-2693(90)91982-H
Publication status	Published - Feb 1 1990
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

Access to Document

10.1016/0370-2693(90)91982-H

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., Bavaria, G., Beard, C., Beck, F., Bell, K. W., ... Zylberajch, S. (1990). Measurements of the decay of the Z⁰ into lepton pairs. Physics Letters B, 235(3-4), 379-388. https://doi.org/10.1016/0370-2693(90)91982-H

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, Bavaria, G, Beard, C, Beck, F, Bell, KW, Bella, G, Bethke, S, Biebel, O, Bloodworth, IJ, Bock, P, Boerner, H, Breuker, H, Brown, RM, Brun, R, Buijs, A, Burckhart, HJ, Capiluppi, P, Carnegie, RK, Carter, AA, Carter, JR, Chang, CY, Charlton, DG, Chrin, JTM, Cohen, I, Conboy, JE, Couch, M, Coupland, M, Cuffiani, M, Dado, S, Dallavalle, GM, Davies, OW, Deninno, MM, Dieckmann, A, Dittmar, M, Dixit, MS, Duchesneau, D, Duchovni, E, Duerdoth, IP, Dumas, D, El Mamouni, H, Elcombe, PA, Estabrooks, PG, Fabbri, F, Farthouat, P, Fischer, HM, Fong, DG, French, MT, Fukunaga, C, Gandois, B, Ganel, O, Gary, JW, Geddes, NI, Gee, CNP, Geich-Gimbel, C, Gensler, SW, Gentit, FX, Giacomelli, G, Gibson, WR, Gillies, JD, Goldberg, J, Goodrick, MJ, Gorn, W, Granite, D, Gross, E, Grosse-Wiesmann, P, Grunhaus, J, Hagedorn, H, Hagemann, J, Hansroul, M, Hargrove, CK, Hart, J, Hattersley, PM, Hatzifotiadou, D, Hauschild, M, Hawkes, CM, Heflin, E, Heintze, J, Hemingway, RJ, Heuer, RD, Hill, JC, Hillier, SJ, Hinde, PS, Ho, C, Hobbs, JD, Hobson, PR, Hochman, D, Holl, B, Homer, RJ, Hou, SR, Howarth, CP, Hughes-Jones, RE, Igo-Kemenes, P, Imori, M, Imrie, DC, Jawahery, A, Jeffreys, PW, Jeremie, H, Jimack, M, Jin, E, Jobes, M, Jones, RWL, Jovanovic, P, Karlen, D, Kawagoe, K, Kawamoto, T, Kellogg, RG, Kennedy, BW, Kleinwort, C, Klem, DE, Knop, G, Kobayashi, T, Köpke, L, Kokott, TP, Koshiba, M, Kowalewski, R, Kreutzmann, H, von Krogh, J, Kroll, J, Kyberd, P, Lafferty, GD, Lamarche, F, Larson, WJ, Lasota, MMB, Layter, JG, Le Du, P, Leblanc, P, Lellouch, D, Lennert, P, Lessard, L, Levinson, L, Lloyd, SL, Loebinger, FK, Lorah, JM, Lorazo, B, Losty, MJ, Ludwig, J, Lupu, N, Ma, J, Macbeth, AA, Mannelli, M, Marcellini, S, Maringer, G, Martin, JP, Mashimo, T, Mättig, P, Maur, U, McMahon, TJ, McPherson, AC, Meijers, F, Menszner, D, Merritt, FS, Mes, H, Michelini, A, Middleton, RP, Mikenberg, G, Miller, DJ, Milstene, C, Minowa, M, Mohr, W, Montanari, A, Mori, T, Moss, MW, Muller, A, Murphy, PG, Murray, WJ, Nellen, B, Nguyen, HH, Nozaki, M, O'Dowd, AJP, O'Neale, SW, O'Neill, B, Oakham, FG, Odorici, F, Ogg, M, Oh, H, Oreglia, MJ, Orito, S, Patrick, GN, Pawley, SJ, Perez, A, Pilcher, JE, Pinfold, JL, Plane, DE, Poli, B, Possoz, A, Pouladdej, A, Pritchard, TW, Quast, G, Raab, J, Redmond, MW, Rees, DL, Regimbald, M, Riles, K, Roach, CM, Roehner, F, Rollnik, A, Roney, JM, 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, von der Schmitt, H, Schreiber, S, Schwarz, J, Shapira, A, Shen, BC, Sherwood, P, Simon, A, Siroli, GP, Skuja, A, Smith, AM, Smith, TJ, Snow, GA, Spreadbury, EJ, Springer, RW, Sproston, M, Stephens, K, Stier, HE, Ströhmer, R, Strom, D, Takeda, H, Takeshita, T, Tsukamoto, T, Turner, MF, Tysarczyk, G, van den Plas, D, Vandalen, GJ, Virtue, CJ, Wagner, A, Wahl, C, Wang, H, Ward, CP, Ward, DR, Waterhouse, J, Watkins, PM, Watson, AT, Watson, NK, Weber, M, Weisz, S, Wermes, N, Weymann, M, Wilson, GW, Wilson, JA, Wingerter, I, Winterer, VH, Wood, NC, Wotton, S, Wuensch, B, Wyatt, TR, Yaari, R, Yamashita, H, Yang, Y, Yekutieli, G, Zeuner, W, Zorn, GT & Zylberajch, S 1990, 'Measurements of the decay of the Z⁰ into lepton pairs', Physics Letters B, vol. 235, no. 3-4, pp. 379-388. https://doi.org/10.1016/0370-2693(90)91982-H

@article{7eb883311fe54007ae7654eaa71b8e3d,

title = "Measurements of the decay of the Z0 into lepton pairs",

abstract = "We report on a measurement of the processes e+e-→e+e-, e+e-→μ+μ-, and e+e-→τ+τ- near the Z0 pole. On the basis of 163 e+e-, 101 μ+μ- and 87 τ+τ- events we obtain Γee=89±4±4 MeV, Γμμ=85±9±6 MeV and Γττ=87±10±8 MeV, compatible with the standard model. Combining these with our previous results on hadronic Z0 decays, we find a hadronic width Γhad=1787±81±90 MeV and an invisible width Γinv=552±85±71 MeV.",

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 G. Bavaria and C. Beard and F. Beck and Bell, {K. W.} and G. Bella and S. Bethke and O. Biebel and Bloodworth, {I. J.} and P. Bock and H. Boerner 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 I. Cohen and Conboy, {J. E.} and M. Couch and M. Coupland and M. Cuffiani and S. Dado and Dallavalle, {G. M.} and Davies, {O. W.} and Deninno, {M. M.} and A. Dieckmann and M. Dittmar and Dixit, {M. S.} and D. Duchesneau and E. Duchovni and Duerdoth, {I. P.} and D. Dumas and {El Mamouni}, H. and Elcombe, {P. A.} and Estabrooks, {P. G.} and F. Fabbri and P. Farthouat and Fischer, {H. M.} and Fong, {D. G.} and French, {M. T.} and C. Fukunaga and B. Gandois and O. Ganel and Gary, {J. W.} 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 Gibson, {W. R.} and Gillies, {J. D.} and J. Goldberg and Goodrick, {M. J.} and W. Gorn and D. Granite and E. Gross and P. Grosse-Wiesmann and J. Grunhaus and H. Hagedorn and J. Hagemann and M. Hansroul and Hargrove, {C. K.} and J. Hart and Hattersley, {P. M.} and D. Hatzifotiadou and M. Hauschild and Hawkes, {C. M.} and E. Heflin and J. Heintze and Hemingway, {R. J.} and Heuer, {R. D.} and Hill, {J. C.} and Hillier, {S. J.} and Hinde, {P. S.} 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 P. Igo-Kemenes and M. Imori and Imrie, {D. C.} and A. Jawahery and Jeffreys, {P. W.} and H. Jeremie and M. Jimack and E. Jin 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 L. K{\"o}pke and Kokott, {T. P.} and M. Koshiba and R. Kowalewski and H. Kreutzmann and {von Krogh}, J. and J. Kroll and P. Kyberd and Lafferty, {G. D.} and F. Lamarche and Larson, {W. J.} and Lasota, {M. M.B.} and Layter, {J. G.} and {Le Du}, P. and P. Leblanc 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 N. Lupu and J. Ma and Macbeth, {A. A.} and M. Mannelli and S. Marcellini and G. Maringer and Martin, {J. P.} and T. Mashimo and P. M{\"a}ttig and U. Maur and McMahon, {T. J.} and McPherson, {A. C.} and F. Meijers and D. Menszner and Merritt, {F. S.} and H. Mes and A. Michelini and Middleton, {R. P.} and G. Mikenberg and Miller, {D. J.} and C. Milstene and M. Minowa and W. Mohr and A. Montanari and T. Mori and Moss, {M. W.} and A. Muller 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 B. O'Neill and Oakham, {F. G.} and F. Odorici and M. Ogg and H. Oh and Oreglia, {M. J.} and S. Orito and Patrick, {G. N.} and Pawley, {S. J.} and A. Perez and Pilcher, {J. E.} and Pinfold, {J. L.} and Plane, {D. E.} and B. Poli and A. Possoz and A. Pouladdej 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 F. Roehner and A. Rollnik and Roney, {J. M.} 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 {von der Schmitt}, H. and S. Schreiber and J. Schwarz and A. Shapira and Shen, {B. C.} and P. Sherwood and A. Simon and Siroli, {G. P.} and A. Skuja and Smith, {A. M.} and Smith, {T. J.} and Snow, {G. A.} and Spreadbury, {E. J.} and Springer, {R. W.} and M. Sproston and K. Stephens and Stier, {H. E.} and R. Str{\"o}hmer and D. Strom and H. Takeda and T. Takeshita and T. Tsukamoto and Turner, {M. F.} and G. Tysarczyk and {van den Plas}, D. and Vandalen, {G. J.} and Virtue, {C. J.} and A. Wagner and C. Wahl and H. Wang and Ward, {C. P.} and Ward, {D. R.} and J. Waterhouse and Watkins, {P. M.} and Watson, {A. T.} and Watson, {N. K.} and M. Weber and S. Weisz 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 H. Yamashita and Y. Yang and G. Yekutieli and W. Zeuner and Zorn, {G. T.} and S. Zylberajch",

note = "Funding Information: It is a pleasure to thank the LEP Division for the remarkably smooth running ofthc machine and their continuing close cooperation with our experimental group. In addition to the support staffat our own institutions we are pleased to acknowlcdge the following: The Bundesministerium f'tir Forschung und Technologie, FRG, The Department of Energy, USA, The lnstitut de Recherche Fondamentale du Commissariat/l l'Energie Atomiquc, The Israeli Ministry of Scicnce, The Minerva Gesellschafl, The National Science Foundation, USA, The Natural Sciences and Engineering Rescarch Council, Canada, The Japanese Ministry of Education, Sciencc and Culture (the Monbusho) and a grant under the Monbusho International Sciencc Research Program, The Science and Engincering Research Council, UK and The A.P. Sloan Foundation.",

year = "1990",

month = feb,

day = "1",

doi = "10.1016/0370-2693(90)91982-H",

language = "English",

volume = "235",

pages = "379--388",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier",

number = "3-4",

}

TY - JOUR

T1 - Measurements of the decay of the Z0 into lepton pairs

AU - Akrawy, M. Z.

AU - Alexander, G.

AU - Allison, J.

AU - Allport, P. P.

AU - Anderson, K. J.

AU - Armitage, J. C.

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N1 - Funding Information: It is a pleasure to thank the LEP Division for the remarkably smooth running ofthc machine and their continuing close cooperation with our experimental group. In addition to the support staffat our own institutions we are pleased to acknowlcdge the following: The Bundesministerium f'tir Forschung und Technologie, FRG, The Department of Energy, USA, The lnstitut de Recherche Fondamentale du Commissariat/l l'Energie Atomiquc, The Israeli Ministry of Scicnce, The Minerva Gesellschafl, The National Science Foundation, USA, The Natural Sciences and Engineering Rescarch Council, Canada, The Japanese Ministry of Education, Sciencc and Culture (the Monbusho) and a grant under the Monbusho International Sciencc Research Program, The Science and Engincering Research Council, UK and The A.P. Sloan Foundation.

PY - 1990/2/1

Y1 - 1990/2/1

N2 - We report on a measurement of the processes e+e-→e+e-, e+e-→μ+μ-, and e+e-→τ+τ- near the Z0 pole. On the basis of 163 e+e-, 101 μ+μ- and 87 τ+τ- events we obtain Γee=89±4±4 MeV, Γμμ=85±9±6 MeV and Γττ=87±10±8 MeV, compatible with the standard model. Combining these with our previous results on hadronic Z0 decays, we find a hadronic width Γhad=1787±81±90 MeV and an invisible width Γinv=552±85±71 MeV.

AB - We report on a measurement of the processes e+e-→e+e-, e+e-→μ+μ-, and e+e-→τ+τ- near the Z0 pole. On the basis of 163 e+e-, 101 μ+μ- and 87 τ+τ- events we obtain Γee=89±4±4 MeV, Γμμ=85±9±6 MeV and Γττ=87±10±8 MeV, compatible with the standard model. Combining these with our previous results on hadronic Z0 decays, we find a hadronic width Γhad=1787±81±90 MeV and an invisible width Γinv=552±85±71 MeV.

UR - http://www.scopus.com/inward/record.url?scp=0011563507&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0011563507&partnerID=8YFLogxK

U2 - 10.1016/0370-2693(90)91982-H

DO - 10.1016/0370-2693(90)91982-H

M3 - Article

AN - SCOPUS:0011563507

SN - 0370-2693

VL - 235

SP - 379

EP - 388

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 3-4

ER -

Measurements of the decay of the Z⁰ into lepton pairs

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