A measurement of the τ- → μ-μvτ branching ratio

G. Abbiendi, C. Ainsley, P. F. Åkesson, G. Alexander, J. Allison, P. Amaral, G. Anagnostou, K. J. Anderson, S. Arcelli, S. Asai, D. Axen, G. Azuelos, I. Bailey, E. Barberio, R. J. Barlow, R. J. Batley, P. Bechtle, T. Behnke, K. W. Bell, P. J. BellG. Bella, A. Bellerive, G. Benelli, S. Bethke, O. Biebel, I. J. Bloodworth, O. Boeriu, P. Bock, D. Bonacorsi, M. Boutemeur, S. Braibant, L. Brigliadori, R. M. Brown, K. Buesser, H. J. Burckhart, S. Campana, R. K. Carnegie, B. Caron, A. A. Carter, J. R. Carter, C. Y. Chang, D. G. Charlton, A. Csilling, M. Cuffiani, S. Dado, S. Dallison, A. de Roeck, E. A. de Wolf, K. Desch, B. Dienes, M. Donkers, J. Dubbert, E. Duchovni, G. Duckeck, I. P. Duerdoth, E. Elfgren, E. Etzion, F. Fabbri, L. Feld, P. Ferrari, F. Fiedler, I. Fleck, M. Ford, A. Frey, A. Fürtjes, P. Gagnon, J. W. Gary, G. Gaycken, C. Geich-Gimbel, G. Giacomelli, P. Giacomelli, M. Giunta, J. Goldberg, E. Gross, J. Grunhaus, M. Gruwé, P. O. Günther, A. Gupta, C. Hajdu, M. Hamann, G. G. Hanson, K. Harder, A. Harel, M. Harin-Dirac, M. Hauschild, J. Hauschildt, C. M. Hawkes, R. Hawkings, R. J. Hemingway, C. Hensel, G. Herten, R. D. Heuer, J. C. Hill, K. Hoffman, R. J. Homer, D. Horváth, R. Howard, P. Igo-Kemenes, K. Ishii, H. Jeremie, P. Jovanovic, T. R. Junk, N. Kanaya, J. Kanzaki, G. Karapetian, D. Karlen, V. Kartvelishvili, K. Kawagoe, T. Kawamoto, R. K. Keeler, R. G. Kellogg, B. W. Kennedy, D. H. Kim, K. Klein, A. Klier, S. Kluth, T. Kobayashi, M. Kobel, Sachio Komamiya, L. Kormos, T. Krämer, T. Kress, P. Krieger, J. von Krogh, D. Krop, K. Kruger, T. Kuhl, M. Kupper, G. D. Lafferty, H. Landsman, D. Lanske, J. G. Layter, A. Leins, D. Lellouch, J. Letts, L. Levinson, J. Lillich, S. L. Lloyd, F. K. Loebinger, J. Lu, J. Ludwig, A. Macpherson, W. Mader, S. Marcellini, T. E. Marchant, A. J. Martin, J. P. Martin, G. Masetti, T. Mashimo, P. Mättig, W. J. McDonald, J. McKenna, T. J. McMahon, R. A. McPherson, F. Meijers, P. Mendez-Lorenzo, W. Menges, F. S. Merritt, H. Mes, A. Michelini, S. Mihara, G. Mikenberg, D. J. Miller, S. Moed, W. Mohr, T. Mori, A. Mutter, K. Nagai, I. Nakamura, H. A. Neal, R. Nisius, S. W. O'Neale, A. Oh, A. Okpara, M. J. Oreglia, S. Orito, C. Pahl, G. Pásztor, J. R. Pater, G. N. Patrick, J. E. Pilcher, J. Pinfold, D. E. Plane, B. Poli, J. Polok, O. Pooth, M. Przybycien, A. Quadt, K. Rabbertz, C. Rembser, P. Renkel, H. Rick, J. M. Roney, S. Rosati, Y. Rozen, K. Runge, K. Sachs, T. Saeki, O. Sahr, E. K.G. Sarkisyan, A. D. Schaile, O. Schaile, P. Scharff-Hansen, J. Schieck, T. Schörner-Sadenius, M. Schröder, M. Schumacher, C. Schwick, W. G. Scott, R. Seuster, T. G. Shears, B. C. Shen, P. Sherwood, G. Siroli, A. Skuja, A. M. Smith, R. Sobie, S. Söldner-Rembold, F. Spano, A. Stahl, K. Stephens, D. Strom, R. Ströhmer, S. Tarem, M. Tasevsky, R. J. Taylor, R. Teuscher, M. A. Thomson, E. Torrence, D. Toya, P. Tran, T. Trefzger, A. Tricoli, I. Trigger, Z. Trócsányi, E. Tsur, M. F. Turner-Watson, I. Ueda, B. Ujvári, B. Vachon, C. F. Vollmer, P. Vannerem, M. Verzocchi, H. Voss, J. Vossebeld, D. Waller, C. P. Ward, D. R. Ward, P. M. Watkins, A. T. Watson, N. K. Watson, P. S. Wells, T. Wengler, N. Wermes, J. A. Wilson, G. Wolf, T. R. Wyatt, S. Yamashita, D. Zer-Zion, L. Zivkovic

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The τ- → μ-μvτ branching ratio has been measured using data collected from 1990 to 1995 by the OPAL detector at the LEP collider. The resulting value of B(τ- → μ-μvτ)0.1734 ±0.0009(stat)±0.0006(syst) has been used in conjunction with other OPAL measurements to test lepton universality, yielding the coupling constant ratios gμ/ge = 1.0005±0.0044 and gτ/ge = 1.0031±0.0048, in good agreement with the Standard Model prediction of unity. A value for the Michel parameter η = 0.004±0.037 has also been determined and used to find a limit for the mass of the charged Higgs boson, mH± > 1.28 tan β, in the Minimal Supersymmetric Standard Model.

Original languageEnglish
Pages (from-to)35-48
Number of pages14
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume551
Issue number1-2
DOIs
Publication statusPublished - 2003 Jan 2
Externally publishedYes

Fingerprint

Higgs bosons
leptons
unity
detectors
predictions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Abbiendi, G., Ainsley, C., Åkesson, P. F., Alexander, G., Allison, J., Amaral, P., ... Zivkovic, L. (2003). A measurement of the τ- → μ-μvτ branching ratio. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 551(1-2), 35-48. https://doi.org/10.1016/S0370-2693(02)03020-4

A measurement of the τ- → μ-μvτ branching ratio. / Abbiendi, G.; Ainsley, C.; Åkesson, P. F.; Alexander, G.; Allison, J.; Amaral, P.; Anagnostou, G.; Anderson, K. J.; Arcelli, S.; Asai, S.; Axen, D.; Azuelos, G.; Bailey, I.; Barberio, E.; Barlow, R. J.; Batley, R. J.; Bechtle, P.; Behnke, T.; Bell, K. W.; Bell, P. J.; Bella, G.; Bellerive, A.; Benelli, G.; Bethke, S.; Biebel, O.; Bloodworth, I. J.; Boeriu, O.; Bock, P.; Bonacorsi, D.; Boutemeur, M.; Braibant, S.; Brigliadori, L.; Brown, R. M.; Buesser, K.; Burckhart, H. J.; Campana, S.; Carnegie, R. K.; Caron, B.; Carter, A. A.; Carter, J. R.; Chang, C. Y.; Charlton, D. G.; Csilling, A.; Cuffiani, M.; Dado, S.; Dallison, S.; de Roeck, A.; de Wolf, E. A.; Desch, K.; Dienes, B.; Donkers, M.; Dubbert, J.; Duchovni, E.; Duckeck, G.; Duerdoth, I. P.; Elfgren, E.; 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.; Hauschildt, J.; Hawkes, C. M.; Hawkings, R.; Hemingway, R. J.; Hensel, C.; Herten, G.; Heuer, R. D.; Hill, J. C.; Hoffman, K.; Homer, R. J.; Horváth, D.; Howard, R.; Igo-Kemenes, P.; Ishii, K.; Jeremie, H.; Jovanovic, P.; Junk, T. R.; Kanaya, N.; Kanzaki, J.; Karapetian, G.; Karlen, D.; Kartvelishvili, V.; Kawagoe, K.; Kawamoto, T.; Keeler, R. K.; Kellogg, R. G.; Kennedy, B. W.; Kim, D. H.; Klein, K.; Klier, A.; Kluth, S.; Kobayashi, T.; Kobel, M.; Komamiya, Sachio; Kormos, L.; Krämer, T.; Kress, T.; Krieger, P.; von Krogh, J.; Krop, D.; Kruger, K.; Kuhl, T.; Kupper, M.; Lafferty, G. D.; Landsman, H.; Lanske, D.; Layter, J. G.; Leins, A.; Lellouch, D.; Letts, J.; Levinson, L.; Lillich, J.; Lloyd, S. L.; Loebinger, F. K.; Lu, J.; Ludwig, J.; Macpherson, A.; Mader, W.; Marcellini, S.; Marchant, T. E.; Martin, A. J.; Martin, J. P.; Masetti, G.; Mashimo, T.; Mättig, P.; McDonald, W. J.; McKenna, J.; McMahon, T. J.; McPherson, R. A.; Meijers, F.; Mendez-Lorenzo, P.; Menges, W.; Merritt, F. S.; Mes, H.; Michelini, A.; Mihara, S.; Mikenberg, G.; Miller, D. J.; Moed, S.; Mohr, W.; Mori, T.; Mutter, A.; Nagai, K.; Nakamura, I.; Neal, H. A.; Nisius, R.; O'Neale, S. W.; Oh, A.; Okpara, A.; Oreglia, M. J.; Orito, S.; Pahl, C.; Pásztor, G.; Pater, J. R.; Patrick, G. N.; Pilcher, J. E.; Pinfold, J.; Plane, D. E.; Poli, B.; Polok, J.; Pooth, O.; Przybycien, M.; Quadt, A.; Rabbertz, K.; Rembser, C.; Renkel, P.; Rick, H.; Roney, J. M.; Rosati, S.; Rozen, Y.; Runge, K.; Sachs, K.; Saeki, T.; Sahr, O.; Sarkisyan, E. K.G.; Schaile, A. D.; Schaile, O.; Scharff-Hansen, P.; Schieck, J.; Schörner-Sadenius, T.; Schröder, M.; Schumacher, M.; Schwick, C.; Scott, W. G.; Seuster, R.; Shears, T. G.; Shen, B. C.; Sherwood, P.; Siroli, G.; Skuja, A.; 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.; Trefzger, T.; Tricoli, A.; Trigger, I.; Trócsányi, Z.; Tsur, E.; Turner-Watson, M. F.; Ueda, I.; Ujvári, B.; Vachon, B.; Vollmer, C. F.; Vannerem, P.; 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.; Wilson, J. A.; Wolf, G.; Wyatt, T. R.; Yamashita, S.; Zer-Zion, D.; Zivkovic, L.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 551, No. 1-2, 02.01.2003, p. 35-48.

Research output: Contribution to journalArticle

Abbiendi, G, Ainsley, C, Åkesson, PF, Alexander, G, Allison, J, Amaral, P, Anagnostou, G, Anderson, KJ, Arcelli, S, Asai, S, Axen, D, Azuelos, G, Bailey, I, Barberio, E, Barlow, RJ, Batley, RJ, Bechtle, P, Behnke, T, Bell, KW, Bell, PJ, Bella, G, Bellerive, A, Benelli, G, Bethke, S, Biebel, O, Bloodworth, IJ, Boeriu, O, Bock, P, Bonacorsi, D, Boutemeur, M, Braibant, S, Brigliadori, L, Brown, RM, Buesser, K, Burckhart, HJ, Campana, S, Carnegie, RK, Caron, B, Carter, AA, Carter, JR, Chang, CY, Charlton, DG, Csilling, A, Cuffiani, M, Dado, S, Dallison, S, de Roeck, A, de Wolf, EA, Desch, K, Dienes, B, Donkers, M, Dubbert, J, Duchovni, E, Duckeck, G, Duerdoth, IP, Elfgren, E, Etzion, E, Fabbri, F, Feld, L, Ferrari, P, Fiedler, F, Fleck, I, Ford, M, Frey, A, Fürtjes, A, Gagnon, P, Gary, JW, Gaycken, G, Geich-Gimbel, C, Giacomelli, G, Giacomelli, P, Giunta, M, Goldberg, J, Gross, E, Grunhaus, J, Gruwé, M, Günther, PO, Gupta, A, Hajdu, C, Hamann, M, Hanson, GG, Harder, K, Harel, A, Harin-Dirac, M, Hauschild, M, Hauschildt, J, Hawkes, CM, Hawkings, R, Hemingway, RJ, Hensel, C, Herten, G, Heuer, RD, Hill, JC, Hoffman, K, Homer, RJ, Horváth, D, Howard, R, Igo-Kemenes, P, Ishii, K, Jeremie, H, Jovanovic, P, Junk, TR, Kanaya, N, Kanzaki, J, Karapetian, G, Karlen, D, Kartvelishvili, V, Kawagoe, K, Kawamoto, T, Keeler, RK, Kellogg, RG, Kennedy, BW, Kim, DH, Klein, K, Klier, A, Kluth, S, Kobayashi, T, Kobel, M, Komamiya, S, Kormos, L, Krämer, T, Kress, T, Krieger, P, von Krogh, J, Krop, D, Kruger, K, Kuhl, T, Kupper, M, Lafferty, GD, Landsman, H, Lanske, D, Layter, JG, Leins, A, Lellouch, D, Letts, J, Levinson, L, Lillich, J, Lloyd, SL, Loebinger, FK, Lu, J, Ludwig, J, Macpherson, A, Mader, W, Marcellini, S, Marchant, TE, Martin, AJ, Martin, JP, Masetti, G, Mashimo, T, Mättig, P, McDonald, WJ, McKenna, J, McMahon, TJ, McPherson, RA, Meijers, F, Mendez-Lorenzo, P, Menges, W, Merritt, FS, Mes, H, Michelini, A, Mihara, S, Mikenberg, G, Miller, DJ, Moed, S, Mohr, W, Mori, T, Mutter, A, Nagai, K, Nakamura, I, Neal, HA, Nisius, R, O'Neale, SW, Oh, A, Okpara, A, Oreglia, MJ, Orito, S, Pahl, C, Pásztor, G, Pater, JR, Patrick, GN, Pilcher, JE, Pinfold, J, Plane, DE, Poli, B, Polok, J, Pooth, O, Przybycien, M, Quadt, A, Rabbertz, K, Rembser, C, Renkel, P, Rick, H, Roney, JM, Rosati, S, Rozen, Y, Runge, K, Sachs, K, Saeki, T, Sahr, O, Sarkisyan, EKG, Schaile, AD, Schaile, O, Scharff-Hansen, P, Schieck, J, Schörner-Sadenius, T, Schröder, M, Schumacher, M, Schwick, C, Scott, WG, Seuster, R, Shears, TG, Shen, BC, Sherwood, P, Siroli, G, Skuja, A, Smith, AM, Sobie, R, Söldner-Rembold, S, Spano, F, Stahl, A, Stephens, K, Strom, D, Ströhmer, R, Tarem, S, Tasevsky, M, Taylor, RJ, Teuscher, R, Thomson, MA, Torrence, E, Toya, D, Tran, P, Trefzger, T, Tricoli, A, Trigger, I, Trócsányi, Z, Tsur, E, Turner-Watson, MF, Ueda, I, Ujvári, B, Vachon, B, Vollmer, CF, Vannerem, P, Verzocchi, M, Voss, H, Vossebeld, J, Waller, D, Ward, CP, Ward, DR, Watkins, PM, Watson, AT, Watson, NK, Wells, PS, Wengler, T, Wermes, N, Wilson, JA, Wolf, G, Wyatt, TR, Yamashita, S, Zer-Zion, D & Zivkovic, L 2003, 'A measurement of the τ- → μ-μvτ branching ratio', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 551, no. 1-2, pp. 35-48. https://doi.org/10.1016/S0370-2693(02)03020-4
Abbiendi, G. ; Ainsley, C. ; Åkesson, P. F. ; Alexander, G. ; Allison, J. ; Amaral, P. ; Anagnostou, G. ; Anderson, K. J. ; Arcelli, S. ; Asai, S. ; Axen, D. ; Azuelos, G. ; Bailey, I. ; Barberio, E. ; Barlow, R. J. ; Batley, R. J. ; Bechtle, P. ; Behnke, T. ; Bell, K. W. ; Bell, P. J. ; Bella, G. ; Bellerive, A. ; Benelli, G. ; Bethke, S. ; Biebel, O. ; Bloodworth, I. J. ; Boeriu, O. ; Bock, P. ; Bonacorsi, D. ; Boutemeur, M. ; Braibant, S. ; Brigliadori, L. ; Brown, R. M. ; Buesser, K. ; Burckhart, H. J. ; Campana, S. ; Carnegie, R. K. ; Caron, B. ; Carter, A. A. ; Carter, J. R. ; Chang, C. Y. ; Charlton, D. G. ; Csilling, A. ; Cuffiani, M. ; Dado, S. ; Dallison, S. ; de Roeck, A. ; de Wolf, E. A. ; Desch, K. ; Dienes, B. ; Donkers, M. ; Dubbert, J. ; Duchovni, E. ; Duckeck, G. ; Duerdoth, I. P. ; Elfgren, E. ; 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. ; Hauschildt, J. ; Hawkes, C. M. ; Hawkings, R. ; Hemingway, R. J. ; Hensel, C. ; Herten, G. ; Heuer, R. D. ; Hill, J. C. ; Hoffman, K. ; Homer, R. J. ; Horváth, D. ; Howard, R. ; Igo-Kemenes, P. ; Ishii, K. ; Jeremie, H. ; Jovanovic, P. ; Junk, T. R. ; Kanaya, N. ; Kanzaki, J. ; Karapetian, G. ; Karlen, D. ; Kartvelishvili, V. ; Kawagoe, K. ; Kawamoto, T. ; Keeler, R. K. ; Kellogg, R. G. ; Kennedy, B. W. ; Kim, D. H. ; Klein, K. ; Klier, A. ; Kluth, S. ; Kobayashi, T. ; Kobel, M. ; Komamiya, Sachio ; Kormos, L. ; Krämer, T. ; Kress, T. ; Krieger, P. ; von Krogh, J. ; Krop, D. ; Kruger, K. ; Kuhl, T. ; Kupper, M. ; Lafferty, G. D. ; Landsman, H. ; Lanske, D. ; Layter, J. G. ; Leins, A. ; Lellouch, D. ; Letts, J. ; Levinson, L. ; Lillich, J. ; Lloyd, S. L. ; Loebinger, F. K. ; Lu, J. ; Ludwig, J. ; Macpherson, A. ; Mader, W. ; Marcellini, S. ; Marchant, T. E. ; Martin, A. J. ; Martin, J. P. ; Masetti, G. ; Mashimo, T. ; Mättig, P. ; McDonald, W. J. ; McKenna, J. ; McMahon, T. J. ; McPherson, R. A. ; Meijers, F. ; Mendez-Lorenzo, P. ; Menges, W. ; Merritt, F. S. ; Mes, H. ; Michelini, A. ; Mihara, S. ; Mikenberg, G. ; Miller, D. J. ; Moed, S. ; Mohr, W. ; Mori, T. ; Mutter, A. ; Nagai, K. ; Nakamura, I. ; Neal, H. A. ; Nisius, R. ; O'Neale, S. W. ; Oh, A. ; Okpara, A. ; Oreglia, M. J. ; Orito, S. ; Pahl, C. ; Pásztor, G. ; Pater, J. R. ; Patrick, G. N. ; Pilcher, J. E. ; Pinfold, J. ; Plane, D. E. ; Poli, B. ; Polok, J. ; Pooth, O. ; Przybycien, M. ; Quadt, A. ; Rabbertz, K. ; Rembser, C. ; Renkel, P. ; Rick, H. ; Roney, J. M. ; Rosati, S. ; Rozen, Y. ; Runge, K. ; Sachs, K. ; Saeki, T. ; Sahr, O. ; Sarkisyan, E. K.G. ; Schaile, A. D. ; Schaile, O. ; Scharff-Hansen, P. ; Schieck, J. ; Schörner-Sadenius, T. ; Schröder, M. ; Schumacher, M. ; Schwick, C. ; Scott, W. G. ; Seuster, R. ; Shears, T. G. ; Shen, B. C. ; Sherwood, P. ; Siroli, G. ; Skuja, A. ; 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. ; Trefzger, T. ; Tricoli, A. ; Trigger, I. ; Trócsányi, Z. ; Tsur, E. ; Turner-Watson, M. F. ; Ueda, I. ; Ujvári, B. ; Vachon, B. ; Vollmer, C. F. ; Vannerem, P. ; 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. ; Wilson, J. A. ; Wolf, G. ; Wyatt, T. R. ; Yamashita, S. ; Zer-Zion, D. ; Zivkovic, L. / A measurement of the τ- → μ-μvτ branching ratio. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2003 ; Vol. 551, No. 1-2. pp. 35-48.
@article{ffe5749480784f00a9d3a8a8361575b3,
title = "A measurement of the τ- → μ-v̄μvτ branching ratio",
abstract = "The τ- → μ-v̄μvτ branching ratio has been measured using data collected from 1990 to 1995 by the OPAL detector at the LEP collider. The resulting value of B(τ- → μ-v̄μvτ)0.1734 ±0.0009(stat)±0.0006(syst) has been used in conjunction with other OPAL measurements to test lepton universality, yielding the coupling constant ratios gμ/ge = 1.0005±0.0044 and gτ/ge = 1.0031±0.0048, in good agreement with the Standard Model prediction of unity. A value for the Michel parameter η = 0.004±0.037 has also been determined and used to find a limit for the mass of the charged Higgs boson, mH± > 1.28 tan β, in the Minimal Supersymmetric Standard Model.",
author = "G. Abbiendi and C. Ainsley and {\AA}kesson, {P. F.} and G. Alexander and J. Allison and P. Amaral and G. Anagnostou and Anderson, {K. J.} and S. Arcelli and S. Asai and D. Axen and G. Azuelos and I. Bailey and E. Barberio and Barlow, {R. J.} and Batley, {R. J.} and P. Bechtle and T. Behnke and Bell, {K. W.} and Bell, {P. J.} and G. Bella and A. Bellerive and G. Benelli and S. Bethke and O. Biebel and Bloodworth, {I. J.} and O. Boeriu and P. Bock and D. Bonacorsi and M. Boutemeur and S. Braibant and L. Brigliadori and Brown, {R. M.} and K. Buesser and Burckhart, {H. J.} and S. Campana and Carnegie, {R. K.} and B. Caron and Carter, {A. A.} and Carter, {J. R.} and Chang, {C. Y.} and Charlton, {D. G.} and A. Csilling and M. Cuffiani and S. Dado and S. Dallison and {de Roeck}, A. and {de Wolf}, {E. A.} and K. Desch and B. Dienes and M. Donkers and J. Dubbert and E. Duchovni and G. Duckeck and Duerdoth, {I. P.} and E. Elfgren and E. Etzion and F. Fabbri and L. Feld and P. Ferrari and F. Fiedler and I. Fleck and M. Ford and A. Frey and A. F{\"u}rtjes and P. Gagnon and Gary, {J. W.} and G. Gaycken and C. Geich-Gimbel and G. Giacomelli and P. Giacomelli and M. Giunta and J. Goldberg and E. Gross and J. Grunhaus and M. Gruw{\'e} and G{\"u}nther, {P. O.} and A. Gupta and C. Hajdu and M. Hamann and Hanson, {G. G.} and K. Harder and A. Harel and M. Harin-Dirac and M. Hauschild and J. Hauschildt and Hawkes, {C. M.} and R. Hawkings and Hemingway, {R. J.} and C. Hensel and G. Herten and Heuer, {R. D.} and Hill, {J. C.} and K. Hoffman and Homer, {R. J.} and D. Horv{\'a}th and R. Howard and P. Igo-Kemenes and K. Ishii and H. Jeremie and P. Jovanovic and Junk, {T. R.} and N. Kanaya and J. Kanzaki and G. Karapetian and D. Karlen and V. Kartvelishvili and K. Kawagoe and T. Kawamoto and Keeler, {R. K.} and Kellogg, {R. G.} and Kennedy, {B. W.} and Kim, {D. H.} and K. Klein and A. Klier and S. Kluth and T. Kobayashi and M. Kobel and Sachio Komamiya and L. Kormos and T. Kr{\"a}mer and T. Kress and P. Krieger and {von Krogh}, J. and D. Krop and K. Kruger and T. Kuhl and M. Kupper and Lafferty, {G. D.} and H. Landsman and D. Lanske and Layter, {J. G.} and A. Leins and D. Lellouch and J. Letts and L. Levinson and J. Lillich and Lloyd, {S. L.} and Loebinger, {F. K.} and J. Lu and J. Ludwig and A. Macpherson and W. Mader and S. Marcellini and Marchant, {T. E.} and Martin, {A. J.} and Martin, {J. P.} and G. Masetti and T. Mashimo and P. M{\"a}ttig and McDonald, {W. J.} and J. McKenna and McMahon, {T. J.} and McPherson, {R. A.} and F. Meijers and P. Mendez-Lorenzo and W. Menges and Merritt, {F. S.} and H. Mes and A. Michelini and S. Mihara and G. Mikenberg and Miller, {D. J.} and S. Moed and W. Mohr and T. Mori and A. Mutter and K. Nagai and I. Nakamura and Neal, {H. A.} and R. Nisius and O'Neale, {S. W.} and A. Oh and A. Okpara and Oreglia, {M. J.} and S. Orito and C. Pahl and G. P{\'a}sztor and Pater, {J. R.} and Patrick, {G. N.} and Pilcher, {J. E.} and J. Pinfold and Plane, {D. E.} and B. Poli and J. Polok and O. Pooth and M. Przybycien and A. Quadt and K. Rabbertz and C. Rembser and P. Renkel and H. Rick and Roney, {J. M.} and S. Rosati and Y. Rozen and K. Runge and K. Sachs and T. Saeki and O. Sahr and Sarkisyan, {E. K.G.} and Schaile, {A. D.} and O. Schaile and P. Scharff-Hansen and J. Schieck and T. Sch{\"o}rner-Sadenius and M. Schr{\"o}der and M. Schumacher and C. Schwick and Scott, {W. G.} and R. Seuster and Shears, {T. G.} and Shen, {B. C.} and P. Sherwood and G. Siroli and A. Skuja and Smith, {A. M.} and R. Sobie and S. S{\"o}ldner-Rembold and F. Spano and A. Stahl and K. Stephens and D. Strom and R. Str{\"o}hmer and S. Tarem and M. Tasevsky and Taylor, {R. J.} and R. Teuscher and Thomson, {M. A.} and E. Torrence and D. Toya and P. Tran and T. Trefzger and A. Tricoli and I. Trigger and Z. Tr{\'o}cs{\'a}nyi and E. Tsur and Turner-Watson, {M. F.} and I. Ueda and B. Ujv{\'a}ri and B. Vachon and Vollmer, {C. F.} and P. Vannerem and M. Verzocchi and H. Voss and J. Vossebeld and D. Waller and Ward, {C. P.} and Ward, {D. R.} and Watkins, {P. M.} and Watson, {A. T.} and Watson, {N. K.} and Wells, {P. S.} and T. Wengler and N. Wermes and Wilson, {J. A.} and G. Wolf and Wyatt, {T. R.} and S. Yamashita and D. Zer-Zion and L. Zivkovic",
year = "2003",
month = "1",
day = "2",
doi = "10.1016/S0370-2693(02)03020-4",
language = "English",
volume = "551",
pages = "35--48",
journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
issn = "0370-2693",
publisher = "Elsevier",
number = "1-2",

}

TY - JOUR

T1 - A measurement of the τ- → μ-v̄μvτ branching ratio

AU - Abbiendi, G.

AU - Ainsley, C.

AU - Åkesson, P. F.

AU - Alexander, G.

AU - Allison, J.

AU - Amaral, P.

AU - Anagnostou, G.

AU - Anderson, K. J.

AU - Arcelli, S.

AU - Asai, S.

AU - Axen, D.

AU - Azuelos, G.

AU - Bailey, I.

AU - Barberio, E.

AU - Barlow, R. J.

AU - Batley, R. J.

AU - Bechtle, P.

AU - Behnke, T.

AU - Bell, K. W.

AU - Bell, P. J.

AU - Bella, G.

AU - Bellerive, A.

AU - Benelli, G.

AU - Bethke, S.

AU - Biebel, O.

AU - Bloodworth, I. J.

AU - Boeriu, O.

AU - Bock, P.

AU - Bonacorsi, D.

AU - Boutemeur, M.

AU - Braibant, S.

AU - Brigliadori, L.

AU - Brown, R. M.

AU - Buesser, K.

AU - Burckhart, H. J.

AU - Campana, S.

AU - Carnegie, R. K.

AU - Caron, B.

AU - Carter, A. A.

AU - Carter, J. R.

AU - Chang, C. Y.

AU - Charlton, D. G.

AU - Csilling, A.

AU - Cuffiani, M.

AU - Dado, S.

AU - Dallison, S.

AU - de Roeck, A.

AU - de Wolf, E. A.

AU - Desch, K.

AU - Dienes, B.

AU - Donkers, M.

AU - Dubbert, J.

AU - Duchovni, E.

AU - Duckeck, G.

AU - Duerdoth, I. P.

AU - Elfgren, E.

AU - Etzion, E.

AU - Fabbri, F.

AU - Feld, L.

AU - Ferrari, P.

AU - Fiedler, F.

AU - Fleck, I.

AU - Ford, M.

AU - Frey, A.

AU - Fürtjes, A.

AU - Gagnon, P.

AU - Gary, J. W.

AU - Gaycken, G.

AU - Geich-Gimbel, C.

AU - Giacomelli, G.

AU - Giacomelli, P.

AU - Giunta, M.

AU - Goldberg, J.

AU - Gross, E.

AU - Grunhaus, J.

AU - Gruwé, M.

AU - Günther, P. O.

AU - Gupta, A.

AU - Hajdu, C.

AU - Hamann, M.

AU - Hanson, G. G.

AU - Harder, K.

AU - Harel, A.

AU - Harin-Dirac, M.

AU - Hauschild, M.

AU - Hauschildt, J.

AU - Hawkes, C. M.

AU - Hawkings, R.

AU - Hemingway, R. J.

AU - Hensel, C.

AU - Herten, G.

AU - Heuer, R. D.

AU - Hill, J. C.

AU - Hoffman, K.

AU - Homer, R. J.

AU - Horváth, D.

AU - Howard, R.

AU - Igo-Kemenes, P.

AU - Ishii, K.

AU - Jeremie, H.

AU - Jovanovic, P.

AU - Junk, T. R.

AU - Kanaya, N.

AU - Kanzaki, J.

AU - Karapetian, G.

AU - Karlen, D.

AU - Kartvelishvili, V.

AU - Kawagoe, K.

AU - Kawamoto, T.

AU - Keeler, R. K.

AU - Kellogg, R. G.

AU - Kennedy, B. W.

AU - Kim, D. H.

AU - Klein, K.

AU - Klier, A.

AU - Kluth, S.

AU - Kobayashi, T.

AU - Kobel, M.

AU - Komamiya, Sachio

AU - Kormos, L.

AU - Krämer, T.

AU - Kress, T.

AU - Krieger, P.

AU - von Krogh, J.

AU - Krop, D.

AU - Kruger, K.

AU - Kuhl, T.

AU - Kupper, M.

AU - Lafferty, G. D.

AU - Landsman, H.

AU - Lanske, D.

AU - Layter, J. G.

AU - Leins, A.

AU - Lellouch, D.

AU - Letts, J.

AU - Levinson, L.

AU - Lillich, J.

AU - Lloyd, S. L.

AU - Loebinger, F. K.

AU - Lu, J.

AU - Ludwig, J.

AU - Macpherson, A.

AU - Mader, W.

AU - Marcellini, S.

AU - Marchant, T. E.

AU - Martin, A. J.

AU - Martin, J. P.

AU - Masetti, G.

AU - Mashimo, T.

AU - Mättig, P.

AU - McDonald, W. J.

AU - McKenna, J.

AU - McMahon, T. J.

AU - McPherson, R. A.

AU - Meijers, F.

AU - Mendez-Lorenzo, P.

AU - Menges, W.

AU - Merritt, F. S.

AU - Mes, H.

AU - Michelini, A.

AU - Mihara, S.

AU - Mikenberg, G.

AU - Miller, D. J.

AU - Moed, S.

AU - Mohr, W.

AU - Mori, T.

AU - Mutter, A.

AU - Nagai, K.

AU - Nakamura, I.

AU - Neal, H. A.

AU - Nisius, R.

AU - O'Neale, S. W.

AU - Oh, A.

AU - Okpara, A.

AU - Oreglia, M. J.

AU - Orito, S.

AU - Pahl, C.

AU - Pásztor, G.

AU - Pater, J. R.

AU - Patrick, G. N.

AU - Pilcher, J. E.

AU - Pinfold, J.

AU - Plane, D. E.

AU - Poli, B.

AU - Polok, J.

AU - Pooth, O.

AU - Przybycien, M.

AU - Quadt, A.

AU - Rabbertz, K.

AU - Rembser, C.

AU - Renkel, P.

AU - Rick, H.

AU - Roney, J. M.

AU - Rosati, S.

AU - Rozen, Y.

AU - Runge, K.

AU - Sachs, K.

AU - Saeki, T.

AU - Sahr, O.

AU - Sarkisyan, E. K.G.

AU - Schaile, A. D.

AU - Schaile, O.

AU - Scharff-Hansen, P.

AU - Schieck, J.

AU - Schörner-Sadenius, T.

AU - Schröder, M.

AU - Schumacher, M.

AU - Schwick, C.

AU - Scott, W. G.

AU - Seuster, R.

AU - Shears, T. G.

AU - Shen, B. C.

AU - Sherwood, P.

AU - Siroli, G.

AU - Skuja, A.

AU - Smith, A. M.

AU - Sobie, R.

AU - Söldner-Rembold, S.

AU - Spano, F.

AU - Stahl, A.

AU - Stephens, K.

AU - Strom, D.

AU - Ströhmer, R.

AU - Tarem, S.

AU - Tasevsky, M.

AU - Taylor, R. J.

AU - Teuscher, R.

AU - Thomson, M. A.

AU - Torrence, E.

AU - Toya, D.

AU - Tran, P.

AU - Trefzger, T.

AU - Tricoli, A.

AU - Trigger, I.

AU - Trócsányi, Z.

AU - Tsur, E.

AU - Turner-Watson, M. F.

AU - Ueda, I.

AU - Ujvári, B.

AU - Vachon, B.

AU - Vollmer, C. F.

AU - Vannerem, P.

AU - Verzocchi, M.

AU - Voss, H.

AU - Vossebeld, J.

AU - Waller, D.

AU - Ward, C. P.

AU - Ward, D. R.

AU - Watkins, P. M.

AU - Watson, A. T.

AU - Watson, N. K.

AU - Wells, P. S.

AU - Wengler, T.

AU - Wermes, N.

AU - Wilson, J. A.

AU - Wolf, G.

AU - Wyatt, T. R.

AU - Yamashita, S.

AU - Zer-Zion, D.

AU - Zivkovic, L.

PY - 2003/1/2

Y1 - 2003/1/2

N2 - The τ- → μ-v̄μvτ branching ratio has been measured using data collected from 1990 to 1995 by the OPAL detector at the LEP collider. The resulting value of B(τ- → μ-v̄μvτ)0.1734 ±0.0009(stat)±0.0006(syst) has been used in conjunction with other OPAL measurements to test lepton universality, yielding the coupling constant ratios gμ/ge = 1.0005±0.0044 and gτ/ge = 1.0031±0.0048, in good agreement with the Standard Model prediction of unity. A value for the Michel parameter η = 0.004±0.037 has also been determined and used to find a limit for the mass of the charged Higgs boson, mH± > 1.28 tan β, in the Minimal Supersymmetric Standard Model.

AB - The τ- → μ-v̄μvτ branching ratio has been measured using data collected from 1990 to 1995 by the OPAL detector at the LEP collider. The resulting value of B(τ- → μ-v̄μvτ)0.1734 ±0.0009(stat)±0.0006(syst) has been used in conjunction with other OPAL measurements to test lepton universality, yielding the coupling constant ratios gμ/ge = 1.0005±0.0044 and gτ/ge = 1.0031±0.0048, in good agreement with the Standard Model prediction of unity. A value for the Michel parameter η = 0.004±0.037 has also been determined and used to find a limit for the mass of the charged Higgs boson, mH± > 1.28 tan β, in the Minimal Supersymmetric Standard Model.

UR - http://www.scopus.com/inward/record.url?scp=0037413588&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0037413588&partnerID=8YFLogxK

U2 - 10.1016/S0370-2693(02)03020-4

DO - 10.1016/S0370-2693(02)03020-4

M3 - Article

AN - SCOPUS:0037413588

VL - 551

SP - 35

EP - 48

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

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

SN - 0370-2693

IS - 1-2

ER -