An upper limit on the anomalous magnetic moment of the τ lepton

K. Ackerstaff, G. Alexander, J. Allison, N. Altekamp, K. J. Anderson, S. Anderson, S. Arcelli, S. Asai, S. F. Ashby, D. Axen, G. Azuelos, A. H. Ball, E. Barberio, R. J. Barlow, R. Bartoldus, J. R. Batley, S. Baumann, J. Bechtluft, T. Behnke, K. W. Bell & 320 others G. Bella, S. Bentvelsen, S. Bethke, S. Betts, O. Biebel, A. Biguzzi, S. D. Bird, V. Blobel, I. J. Bloodworth, M. Bobinski, P. Bock, D. Bonacorsi, M. Boutemeur, S. Braibant, L. Brigliadori, R. M. Brown, H. J. Burckhart, C. Burgard, R. Bürgin, P. Capiluppi, R. K. Carnegie, A. A. Carter, J. R. Carter, C. Y. Chang, D. G. Charlton, D. Chrisman, P. E.L. Clarke, I. Cohen, J. E. Conboy, O. C. Cooke, C. Couyoumtzelis, R. L. Coxe, M. Cuffiani, S. Dado, C. Dallapiccola, G. M. Dallavalle, R. Davis, S. de Jong, L. A. del Pozo, A. de Roeck, K. Desch, B. Dienes, M. S. Dixit, M. Doucet, E. Duchovni, G. Duckeck, I. P. Duerdoth, D. Eatough, P. G. Estabrooks, E. Etzion, H. G. Evans, M. Evans, F. Fabbri, A. Fanfani, M. Fanti, A. A. Faust, L. Feld, F. Fiedler, M. Fierro, H. M. Fischer, I. Fleck, R. Folman, D. G. Fong, M. Foucher, A. Fürtjes, D. I. Futyan, P. Gagnon, J. W. Gary, J. Gascon, S. M. Gascon-Shotkin, N. I. Geddes, C. Geich-Gimbel, T. Geralis, G. Giacomelli, P. Giacomelli, R. Giacomelli, V. Gibson, W. R. Gibson, D. M. Gingrich, D. Glenzinski, J. Goldberg, M. J. Goodrick, W. Gorn, C. Grandi, E. Gross, J. Grunhaus, M. Gruwé, C. Hajdu, G. G. Hanson, M. Hansroul, M. Hapke, C. K. Hargrove, P. A. Hart, C. Hartmann, M. Hauschild, C. M. Hawkes, R. Hawkings, R. J. Hemingway, M. Herndon, G. Herten, R. D. Heuer, M. D. Hildreth, J. C. Hill, S. J. Hillier, P. R. Hobson, A. Hocker, R. J. Homer, A. K. Honma, D. Horváth, K. R. Hossain, R. Howard, P. Hüntemeyer, D. E. Hutchcroft, P. Igo-Kemenes, D. C. Imrie, K. Ishii, A. Jawahery, P. W. Jeffreys, H. Jeremie, M. Jimack, A. Joly, C. R. Jones, M. Jones, U. Jost, P. Jovanovic, T. R. Junk, J. Kanzaki, D. Karlen, V. Kartvelishvili, K. Kawagoe, T. Kawamoto, P. I. Kayal, R. K. Keeler, R. G. Kellogg, B. W. Kennedy, J. Kirk, A. Klier, S. Kluth, T. Kobayashi, M. Kobel, D. S. Koetke, T. P. Kokott, M. Kolrep, Sachio Komamiya, R. V. Kowalewski, T. Kress, P. Krieger, J. von Krogh, P. Kyberd, G. D. Lafferty, R. Lahmann, W. P. Lai, D. Lanske, J. Lauber, S. R. Lautenschlager, I. Lawson, J. G. Layter, D. Lazic, A. M. Lee, E. Lefebvre, D. Lellouch, J. Letts, L. Levinson, B. List, S. L. Lloyd, F. K. Loebinger, G. D. Long, M. J. Losty, J. Ludwig, D. Lui, A. Macchiolo, A. Macpherson, M. Mannelli, S. Marcellini, C. Markopoulos, C. Markus, A. J. Martin, J. P. Martin, G. Martinez, T. Mashimo, P. Mättig, W. J. McDonald, J. McKenna, E. A. Mckigney, T. J. McMahon, R. A. McPherson, F. Meijers, S. Menke, F. S. Merritt, H. Mes, J. Meyer, A. Michelini, S. Mihara, G. Mikenberg, D. J. Miller, A. Mincer, R. Mir, W. Mohr, A. Montanari, T. Mori, S. Mihara, K. Nagai, I. Nakamura, H. A. Neal, B. Nellen, R. Nisius, S. W. O'Neale, F. G. Oakham, F. Odorici, H. O. Ogren, A. Oh, N. J. Oldershaw, M. J. Oreglia, S. Orito, J. Pálinkás, G. Pásztor, J. R. Pater, R. Perez-Ochoa, S. Petzold, P. Pfeifenschneider, J. E. Pilcher, J. Pinfold, D. E. Plane, P. Poffenberger, B. Poli, A. Posthaus, C. Rembser, S. Robertson, S. A. Robins, N. Rodning, J. M. Roney, A. Rooke, A. M. Rossi, P. Routenburg, Y. Rozen, K. Runge, O. Runolfsson, U. Ruppel, D. R. Rust, K. Sachs, T. Saeki, O. Sahr, W. M. Sang, E. K.G. Sarkisyan, C. Sbarra, A. D. Schaile, O. Schaile, F. Scharf, P. Scharff-Hansen, J. Schieck, P. Schleper, B. Schmitt, S. Schmitt, A. Schöning, M. Schröder, M. Schumacher, C. Schwick, W. G. Scott, T. G. Shears, B. C. Shen, C. H. Shepherd-Themistocleous, P. Sherwood, R. P.B. Sieberg, G. P. Siroli, A. Sittler, A. Skillman, A. Skuja, A. M. Smith, G. A. Snow, R. Sobie, S. Söldner-Rembold, R. W. Springer, M. Sproston, K. Stephens, J. Steuerer, B. Stockhausen, K. Stoll, D. Strom, R. Ströhmer, P. Szymanski, R. Tafirout, S. D. Talbot, P. Taras, S. Tarem, R. Teuscher, M. Thiergen, M. A. Thomson, E. von Törne, E. Torrence, S. Towers, I. Trigger, Z. Trócsányi, E. Tsur, A. S. Turcot, M. F. Turner-Watson, I. Ueda, P. Utzat, R. van Kooten, P. Vannerem, M. Verzocchi, P. Vikas, E. H. Vokurka, H. Voss, F. Wäckerle, A. Wagner, C. P. Ward, D. R. Ward, P. M. Watkins, A. T. Watson, N. K. Watson, P. S. Wells, N. Wermes, J. S. White, G. W. Wilson, J. A. Wilson, T. R. Wyatt, S. Yamashita, G. Yekutieli, V. Zacek, D. Zer-Zion

Research output: Contribution to journalArticle

42 Citations (Scopus)

Abstract

Using radiative Z0 → τ+τ- γ events collected with the OPAL detector at LEP at √s = MZ during 1990-95, a direct study of the electromagnetic current at the τγ vertex has been performed in terms of the anomalous magnetic form factor F2 of the T lepton. The analysis is based on a data sample of 1429 e+e- → τ+τ- γ events which are examined for a deviation from the expectation with F2 = 0. From the non-observation of anomalous τ+τ- γ production a limit of - 0.068 < F2 < 0.065 is obtained. This can also be interpreted as a limit on the electric dipole form factor F3 as |eF3| < 3.7 × 10-16 e cm. The above ranges are valid at the 95% confidence level.

Original languageEnglish
Pages (from-to)188-198
Number of pages11
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume431
Issue number1-2
DOIs
Publication statusPublished - 1998 Jul 9
Externally publishedYes

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form factors
leptons
magnetic moments
electric dipoles
confidence
apexes
electromagnetism
deviation
detectors

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Ackerstaff, K., Alexander, G., Allison, J., Altekamp, N., Anderson, K. J., Anderson, S., ... Zer-Zion, D. (1998). An upper limit on the anomalous magnetic moment of the τ lepton. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 431(1-2), 188-198. https://doi.org/10.1016/S0370-2693(98)00520-6

An upper limit on the anomalous magnetic moment of the τ lepton. / Ackerstaff, K.; Alexander, G.; Allison, J.; Altekamp, N.; Anderson, K. J.; Anderson, S.; Arcelli, S.; Asai, S.; Ashby, S. F.; Axen, D.; Azuelos, G.; Ball, A. H.; Barberio, E.; Barlow, R. J.; Bartoldus, R.; Batley, J. R.; Baumann, S.; Bechtluft, J.; Behnke, T.; Bell, K. W.; Bella, G.; Bentvelsen, S.; Bethke, S.; Betts, S.; Biebel, O.; Biguzzi, A.; Bird, S. D.; Blobel, V.; Bloodworth, I. J.; Bobinski, M.; Bock, P.; Bonacorsi, D.; Boutemeur, M.; Braibant, S.; Brigliadori, L.; Brown, R. M.; Burckhart, H. J.; Burgard, C.; Bürgin, R.; Capiluppi, P.; Carnegie, R. K.; Carter, A. A.; Carter, J. R.; Chang, C. Y.; Charlton, D. G.; Chrisman, D.; Clarke, P. E.L.; Cohen, I.; Conboy, J. E.; Cooke, O. C.; Couyoumtzelis, C.; Coxe, R. L.; Cuffiani, M.; Dado, S.; Dallapiccola, C.; Dallavalle, G. M.; Davis, R.; de Jong, S.; del Pozo, L. A.; de Roeck, A.; Desch, K.; Dienes, B.; Dixit, M. S.; Doucet, M.; Duchovni, E.; Duckeck, G.; Duerdoth, I. P.; Eatough, D.; Estabrooks, P. G.; Etzion, E.; Evans, H. G.; Evans, M.; Fabbri, F.; Fanfani, A.; Fanti, M.; Faust, A. A.; Feld, L.; Fiedler, F.; Fierro, M.; Fischer, H. M.; Fleck, I.; Folman, R.; Fong, D. G.; Foucher, M.; Fürtjes, A.; Futyan, D. I.; Gagnon, P.; Gary, J. W.; Gascon, J.; Gascon-Shotkin, S. M.; Geddes, N. I.; Geich-Gimbel, C.; Geralis, T.; Giacomelli, G.; Giacomelli, P.; Giacomelli, R.; Gibson, V.; Gibson, W. R.; Gingrich, D. M.; Glenzinski, D.; Goldberg, J.; Goodrick, M. J.; Gorn, W.; Grandi, C.; Gross, E.; Grunhaus, J.; Gruwé, M.; Hajdu, C.; Hanson, G. G.; Hansroul, M.; Hapke, M.; Hargrove, C. K.; Hart, P. A.; Hartmann, C.; Hauschild, M.; Hawkes, C. M.; Hawkings, R.; Hemingway, R. J.; Herndon, M.; Herten, G.; Heuer, R. D.; Hildreth, M. D.; Hill, J. C.; Hillier, S. J.; Hobson, P. R.; Hocker, A.; Homer, R. J.; Honma, A. K.; Horváth, D.; Hossain, K. R.; Howard, R.; Hüntemeyer, P.; Hutchcroft, D. E.; Igo-Kemenes, P.; Imrie, D. C.; Ishii, K.; Jawahery, A.; Jeffreys, P. W.; Jeremie, H.; Jimack, M.; Joly, A.; Jones, C. R.; Jones, M.; Jost, U.; Jovanovic, P.; Junk, T. R.; Kanzaki, J.; Karlen, D.; Kartvelishvili, V.; Kawagoe, K.; Kawamoto, T.; Kayal, P. I.; Keeler, R. K.; Kellogg, R. G.; Kennedy, B. W.; Kirk, J.; Klier, A.; Kluth, S.; Kobayashi, T.; Kobel, M.; Koetke, D. S.; Kokott, T. P.; Kolrep, M.; Komamiya, Sachio; Kowalewski, R. V.; Kress, T.; Krieger, P.; von Krogh, J.; Kyberd, P.; Lafferty, G. D.; Lahmann, R.; Lai, W. P.; Lanske, D.; Lauber, J.; Lautenschlager, S. R.; Lawson, I.; Layter, J. G.; Lazic, D.; Lee, A. M.; Lefebvre, E.; Lellouch, D.; Letts, J.; Levinson, L.; List, B.; Lloyd, S. L.; Loebinger, F. K.; Long, G. D.; Losty, M. J.; Ludwig, J.; Lui, D.; Macchiolo, A.; Macpherson, A.; Mannelli, M.; Marcellini, S.; Markopoulos, C.; Markus, C.; Martin, A. J.; Martin, J. P.; Martinez, G.; Mashimo, T.; Mättig, P.; McDonald, W. J.; McKenna, J.; Mckigney, E. A.; McMahon, T. J.; McPherson, R. A.; Meijers, F.; Menke, S.; Merritt, F. S.; Mes, H.; Meyer, J.; Michelini, A.; Mihara, S.; Mikenberg, G.; Miller, D. J.; Mincer, A.; Mir, R.; Mohr, W.; Montanari, A.; Mori, T.; Mihara, S.; Nagai, K.; Nakamura, I.; Neal, H. A.; Nellen, B.; Nisius, R.; O'Neale, S. W.; Oakham, F. G.; Odorici, F.; Ogren, H. O.; Oh, A.; Oldershaw, N. J.; Oreglia, M. J.; Orito, S.; Pálinkás, J.; Pásztor, G.; Pater, J. R.; Perez-Ochoa, R.; Petzold, S.; Pfeifenschneider, P.; Pilcher, J. E.; Pinfold, J.; Plane, D. E.; Poffenberger, P.; Poli, B.; Posthaus, A.; Rembser, C.; Robertson, S.; Robins, S. A.; Rodning, N.; Roney, J. M.; Rooke, A.; Rossi, A. M.; Routenburg, P.; Rozen, Y.; Runge, K.; Runolfsson, O.; Ruppel, U.; Rust, D. R.; Sachs, K.; Saeki, T.; Sahr, O.; Sang, W. M.; Sarkisyan, E. K.G.; Sbarra, C.; Schaile, A. D.; Schaile, O.; Scharf, F.; Scharff-Hansen, P.; Schieck, J.; Schleper, P.; Schmitt, B.; Schmitt, S.; Schöning, A.; Schröder, M.; Schumacher, M.; Schwick, C.; Scott, W. G.; Shears, T. G.; Shen, B. C.; Shepherd-Themistocleous, C. H.; Sherwood, P.; Sieberg, R. P.B.; Siroli, G. P.; Sittler, A.; Skillman, A.; Skuja, A.; Smith, A. M.; Snow, G. A.; Sobie, R.; Söldner-Rembold, S.; Springer, R. W.; Sproston, M.; Stephens, K.; Steuerer, J.; Stockhausen, B.; Stoll, K.; Strom, D.; Ströhmer, R.; Szymanski, P.; Tafirout, R.; Talbot, S. D.; Taras, P.; Tarem, S.; Teuscher, R.; Thiergen, M.; Thomson, M. A.; von Törne, E.; Torrence, E.; Towers, S.; Trigger, I.; Trócsányi, Z.; Tsur, E.; Turcot, A. S.; Turner-Watson, M. F.; Ueda, I.; Utzat, P.; van Kooten, R.; Vannerem, P.; Verzocchi, M.; Vikas, P.; Vokurka, E. H.; Voss, H.; Wäckerle, F.; Wagner, A.; Ward, C. P.; Ward, D. R.; Watkins, P. M.; Watson, A. T.; Watson, N. K.; Wells, P. S.; Wermes, N.; White, J. S.; Wilson, G. W.; Wilson, J. A.; Wyatt, T. R.; Yamashita, S.; Yekutieli, G.; Zacek, V.; Zer-Zion, D.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 431, No. 1-2, 09.07.1998, p. 188-198.

Research output: Contribution to journalArticle

Ackerstaff, K, Alexander, G, Allison, J, Altekamp, N, Anderson, KJ, Anderson, S, Arcelli, S, Asai, S, Ashby, SF, Axen, D, Azuelos, G, Ball, AH, Barberio, E, Barlow, RJ, Bartoldus, R, Batley, JR, Baumann, S, Bechtluft, J, Behnke, T, Bell, KW, Bella, G, Bentvelsen, S, Bethke, S, Betts, S, Biebel, O, Biguzzi, A, Bird, SD, Blobel, V, Bloodworth, IJ, Bobinski, M, Bock, P, Bonacorsi, D, Boutemeur, M, Braibant, S, Brigliadori, L, Brown, RM, Burckhart, HJ, Burgard, C, Bürgin, R, Capiluppi, P, Carnegie, RK, Carter, AA, Carter, JR, Chang, CY, Charlton, DG, Chrisman, D, Clarke, PEL, Cohen, I, Conboy, JE, Cooke, OC, Couyoumtzelis, C, Coxe, RL, Cuffiani, M, Dado, S, Dallapiccola, C, Dallavalle, GM, Davis, R, de Jong, S, del Pozo, LA, de Roeck, A, Desch, K, Dienes, B, Dixit, MS, Doucet, M, Duchovni, E, Duckeck, G, Duerdoth, IP, Eatough, D, Estabrooks, PG, Etzion, E, Evans, HG, Evans, M, Fabbri, F, Fanfani, A, Fanti, M, Faust, AA, Feld, L, Fiedler, F, Fierro, M, Fischer, HM, Fleck, I, Folman, R, Fong, DG, Foucher, M, Fürtjes, A, Futyan, DI, Gagnon, P, Gary, JW, Gascon, J, Gascon-Shotkin, SM, Geddes, NI, Geich-Gimbel, C, Geralis, T, Giacomelli, G, Giacomelli, P, Giacomelli, R, Gibson, V, Gibson, WR, Gingrich, DM, Glenzinski, D, Goldberg, J, Goodrick, MJ, Gorn, W, Grandi, C, Gross, E, Grunhaus, J, Gruwé, M, Hajdu, C, Hanson, GG, Hansroul, M, Hapke, M, Hargrove, CK, Hart, PA, Hartmann, C, Hauschild, M, Hawkes, CM, Hawkings, R, Hemingway, RJ, Herndon, M, Herten, G, Heuer, RD, Hildreth, MD, Hill, JC, Hillier, SJ, Hobson, PR, Hocker, A, Homer, RJ, Honma, AK, Horváth, D, Hossain, KR, Howard, R, Hüntemeyer, P, Hutchcroft, DE, Igo-Kemenes, P, Imrie, DC, Ishii, K, Jawahery, A, Jeffreys, PW, Jeremie, H, Jimack, M, Joly, A, Jones, CR, Jones, M, Jost, U, Jovanovic, P, Junk, TR, Kanzaki, J, Karlen, D, Kartvelishvili, V, Kawagoe, K, Kawamoto, T, Kayal, PI, Keeler, RK, Kellogg, RG, Kennedy, BW, Kirk, J, Klier, A, Kluth, S, Kobayashi, T, Kobel, M, Koetke, DS, Kokott, TP, Kolrep, M, Komamiya, S, Kowalewski, RV, Kress, T, Krieger, P, von Krogh, J, Kyberd, P, Lafferty, GD, Lahmann, R, Lai, WP, Lanske, D, Lauber, J, Lautenschlager, SR, Lawson, I, Layter, JG, Lazic, D, Lee, AM, Lefebvre, E, Lellouch, D, Letts, J, Levinson, L, List, B, Lloyd, SL, Loebinger, FK, Long, GD, Losty, MJ, Ludwig, J, Lui, D, Macchiolo, A, Macpherson, A, Mannelli, M, Marcellini, S, Markopoulos, C, Markus, C, Martin, AJ, Martin, JP, Martinez, G, Mashimo, T, Mättig, P, McDonald, WJ, McKenna, J, Mckigney, EA, McMahon, TJ, McPherson, RA, Meijers, F, Menke, S, Merritt, FS, Mes, H, Meyer, J, Michelini, A, Mihara, S, Mikenberg, G, Miller, DJ, Mincer, A, Mir, R, Mohr, W, Montanari, A, Mori, T, Mihara, S, Nagai, K, Nakamura, I, Neal, HA, Nellen, B, Nisius, R, O'Neale, SW, Oakham, FG, Odorici, F, Ogren, HO, Oh, A, Oldershaw, NJ, Oreglia, MJ, Orito, S, Pálinkás, J, Pásztor, G, Pater, JR, Perez-Ochoa, R, Petzold, S, Pfeifenschneider, P, Pilcher, JE, Pinfold, J, Plane, DE, Poffenberger, P, Poli, B, Posthaus, A, Rembser, C, Robertson, S, Robins, SA, Rodning, N, Roney, JM, Rooke, A, Rossi, AM, Routenburg, P, Rozen, Y, Runge, K, Runolfsson, O, Ruppel, U, Rust, DR, Sachs, K, Saeki, T, Sahr, O, Sang, WM, Sarkisyan, EKG, Sbarra, C, Schaile, AD, Schaile, O, Scharf, F, Scharff-Hansen, P, Schieck, J, Schleper, P, Schmitt, B, Schmitt, S, Schöning, A, Schröder, M, Schumacher, M, Schwick, C, Scott, WG, Shears, TG, Shen, BC, Shepherd-Themistocleous, CH, Sherwood, P, Sieberg, RPB, Siroli, GP, Sittler, A, Skillman, A, Skuja, A, Smith, AM, Snow, GA, Sobie, R, Söldner-Rembold, S, Springer, RW, Sproston, M, Stephens, K, Steuerer, J, Stockhausen, B, Stoll, K, Strom, D, Ströhmer, R, Szymanski, P, Tafirout, R, Talbot, SD, Taras, P, Tarem, S, Teuscher, R, Thiergen, M, Thomson, MA, von Törne, E, Torrence, E, Towers, S, Trigger, I, Trócsányi, Z, Tsur, E, Turcot, AS, Turner-Watson, MF, Ueda, I, Utzat, P, van Kooten, R, Vannerem, P, Verzocchi, M, Vikas, P, Vokurka, EH, Voss, H, Wäckerle, F, Wagner, A, Ward, CP, Ward, DR, Watkins, PM, Watson, AT, Watson, NK, Wells, PS, Wermes, N, White, JS, Wilson, GW, Wilson, JA, Wyatt, TR, Yamashita, S, Yekutieli, G, Zacek, V & Zer-Zion, D 1998, 'An upper limit on the anomalous magnetic moment of the τ lepton', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 431, no. 1-2, pp. 188-198. https://doi.org/10.1016/S0370-2693(98)00520-6
Ackerstaff, K. ; Alexander, G. ; Allison, J. ; Altekamp, N. ; Anderson, K. J. ; Anderson, S. ; Arcelli, S. ; Asai, S. ; Ashby, S. F. ; Axen, D. ; Azuelos, G. ; Ball, A. H. ; Barberio, E. ; Barlow, R. J. ; Bartoldus, R. ; Batley, J. R. ; Baumann, S. ; Bechtluft, J. ; Behnke, T. ; Bell, K. W. ; Bella, G. ; Bentvelsen, S. ; Bethke, S. ; Betts, S. ; Biebel, O. ; Biguzzi, A. ; Bird, S. D. ; Blobel, V. ; Bloodworth, I. J. ; Bobinski, M. ; Bock, P. ; Bonacorsi, D. ; Boutemeur, M. ; Braibant, S. ; Brigliadori, L. ; Brown, R. M. ; Burckhart, H. J. ; Burgard, C. ; Bürgin, R. ; Capiluppi, P. ; Carnegie, R. K. ; Carter, A. A. ; Carter, J. R. ; Chang, C. Y. ; Charlton, D. G. ; Chrisman, D. ; Clarke, P. E.L. ; Cohen, I. ; Conboy, J. E. ; Cooke, O. C. ; Couyoumtzelis, C. ; Coxe, R. L. ; Cuffiani, M. ; Dado, S. ; Dallapiccola, C. ; Dallavalle, G. M. ; Davis, R. ; de Jong, S. ; del Pozo, L. A. ; de Roeck, A. ; Desch, K. ; Dienes, B. ; Dixit, M. S. ; Doucet, M. ; Duchovni, E. ; Duckeck, G. ; Duerdoth, I. P. ; Eatough, D. ; Estabrooks, P. G. ; Etzion, E. ; Evans, H. G. ; Evans, M. ; Fabbri, F. ; Fanfani, A. ; Fanti, M. ; Faust, A. A. ; Feld, L. ; Fiedler, F. ; Fierro, M. ; Fischer, H. M. ; Fleck, I. ; Folman, R. ; Fong, D. G. ; Foucher, M. ; Fürtjes, A. ; Futyan, D. I. ; Gagnon, P. ; Gary, J. W. ; Gascon, J. ; Gascon-Shotkin, S. M. ; Geddes, N. I. ; Geich-Gimbel, C. ; Geralis, T. ; Giacomelli, G. ; Giacomelli, P. ; Giacomelli, R. ; Gibson, V. ; Gibson, W. R. ; Gingrich, D. M. ; Glenzinski, D. ; Goldberg, J. ; Goodrick, M. J. ; Gorn, W. ; Grandi, C. ; Gross, E. ; Grunhaus, J. ; Gruwé, M. ; Hajdu, C. ; Hanson, G. G. ; Hansroul, M. ; Hapke, M. ; Hargrove, C. K. ; Hart, P. A. ; Hartmann, C. ; Hauschild, M. ; Hawkes, C. M. ; Hawkings, R. ; Hemingway, R. J. ; Herndon, M. ; Herten, G. ; Heuer, R. D. ; Hildreth, M. D. ; Hill, J. C. ; Hillier, S. J. ; Hobson, P. R. ; Hocker, A. ; Homer, R. J. ; Honma, A. K. ; Horváth, D. ; Hossain, K. R. ; Howard, R. ; Hüntemeyer, P. ; Hutchcroft, D. E. ; Igo-Kemenes, P. ; Imrie, D. C. ; Ishii, K. ; Jawahery, A. ; Jeffreys, P. W. ; Jeremie, H. ; Jimack, M. ; Joly, A. ; Jones, C. R. ; Jones, M. ; Jost, U. ; Jovanovic, P. ; Junk, T. R. ; Kanzaki, J. ; Karlen, D. ; Kartvelishvili, V. ; Kawagoe, K. ; Kawamoto, T. ; Kayal, P. I. ; Keeler, R. K. ; Kellogg, R. G. ; Kennedy, B. W. ; Kirk, J. ; Klier, A. ; Kluth, S. ; Kobayashi, T. ; Kobel, M. ; Koetke, D. S. ; Kokott, T. P. ; Kolrep, M. ; Komamiya, Sachio ; Kowalewski, R. V. ; Kress, T. ; Krieger, P. ; von Krogh, J. ; Kyberd, P. ; Lafferty, G. D. ; Lahmann, R. ; Lai, W. P. ; Lanske, D. ; Lauber, J. ; Lautenschlager, S. R. ; Lawson, I. ; Layter, J. G. ; Lazic, D. ; Lee, A. M. ; Lefebvre, E. ; Lellouch, D. ; Letts, J. ; Levinson, L. ; List, B. ; Lloyd, S. L. ; Loebinger, F. K. ; Long, G. D. ; Losty, M. J. ; Ludwig, J. ; Lui, D. ; Macchiolo, A. ; Macpherson, A. ; Mannelli, M. ; Marcellini, S. ; Markopoulos, C. ; Markus, C. ; Martin, A. J. ; Martin, J. P. ; Martinez, G. ; Mashimo, T. ; Mättig, P. ; McDonald, W. J. ; McKenna, J. ; Mckigney, E. A. ; McMahon, T. J. ; McPherson, R. A. ; Meijers, F. ; Menke, S. ; Merritt, F. S. ; Mes, H. ; Meyer, J. ; Michelini, A. ; Mihara, S. ; Mikenberg, G. ; Miller, D. J. ; Mincer, A. ; Mir, R. ; Mohr, W. ; Montanari, A. ; Mori, T. ; Mihara, S. ; Nagai, K. ; Nakamura, I. ; Neal, H. A. ; Nellen, B. ; Nisius, R. ; O'Neale, S. W. ; Oakham, F. G. ; Odorici, F. ; Ogren, H. O. ; Oh, A. ; Oldershaw, N. J. ; Oreglia, M. J. ; Orito, S. ; Pálinkás, J. ; Pásztor, G. ; Pater, J. R. ; Perez-Ochoa, R. ; Petzold, S. ; Pfeifenschneider, P. ; Pilcher, J. E. ; Pinfold, J. ; Plane, D. E. ; Poffenberger, P. ; Poli, B. ; Posthaus, A. ; Rembser, C. ; Robertson, S. ; Robins, S. A. ; Rodning, N. ; Roney, J. M. ; Rooke, A. ; Rossi, A. M. ; Routenburg, P. ; Rozen, Y. ; Runge, K. ; Runolfsson, O. ; Ruppel, U. ; Rust, D. R. ; Sachs, K. ; Saeki, T. ; Sahr, O. ; Sang, W. M. ; Sarkisyan, E. K.G. ; Sbarra, C. ; Schaile, A. D. ; Schaile, O. ; Scharf, F. ; Scharff-Hansen, P. ; Schieck, J. ; Schleper, P. ; Schmitt, B. ; Schmitt, S. ; Schöning, A. ; Schröder, M. ; Schumacher, M. ; Schwick, C. ; Scott, W. G. ; Shears, T. G. ; Shen, B. C. ; Shepherd-Themistocleous, C. H. ; Sherwood, P. ; Sieberg, R. P.B. ; Siroli, G. P. ; Sittler, A. ; Skillman, A. ; Skuja, A. ; Smith, A. M. ; Snow, G. A. ; Sobie, R. ; Söldner-Rembold, S. ; Springer, R. W. ; Sproston, M. ; Stephens, K. ; Steuerer, J. ; Stockhausen, B. ; Stoll, K. ; Strom, D. ; Ströhmer, R. ; Szymanski, P. ; Tafirout, R. ; Talbot, S. D. ; Taras, P. ; Tarem, S. ; Teuscher, R. ; Thiergen, M. ; Thomson, M. A. ; von Törne, E. ; Torrence, E. ; Towers, S. ; Trigger, I. ; Trócsányi, Z. ; Tsur, E. ; Turcot, A. S. ; Turner-Watson, M. F. ; Ueda, I. ; Utzat, P. ; van Kooten, R. ; Vannerem, P. ; Verzocchi, M. ; Vikas, P. ; Vokurka, E. H. ; Voss, H. ; Wäckerle, F. ; Wagner, A. ; Ward, C. P. ; Ward, D. R. ; Watkins, P. M. ; Watson, A. T. ; Watson, N. K. ; Wells, P. S. ; Wermes, N. ; White, J. S. ; Wilson, G. W. ; Wilson, J. A. ; Wyatt, T. R. ; Yamashita, S. ; Yekutieli, G. ; Zacek, V. ; Zer-Zion, D. / An upper limit on the anomalous magnetic moment of the τ lepton. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1998 ; Vol. 431, No. 1-2. pp. 188-198.
@article{aecb245a32f5430699930c6075b0f085,
title = "An upper limit on the anomalous magnetic moment of the τ lepton",
abstract = "Using radiative Z0 → τ+τ- γ events collected with the OPAL detector at LEP at √s = MZ during 1990-95, a direct study of the electromagnetic current at the τγ vertex has been performed in terms of the anomalous magnetic form factor F2 of the T lepton. The analysis is based on a data sample of 1429 e+e- → τ+τ- γ events which are examined for a deviation from the expectation with F2 = 0. From the non-observation of anomalous τ+τ- γ production a limit of - 0.068 < F2 < 0.065 is obtained. This can also be interpreted as a limit on the electric dipole form factor F3 as |eF3| < 3.7 × 10-16 e cm. The above ranges are valid at the 95{\%} confidence level.",
author = "K. Ackerstaff and G. Alexander and J. Allison and N. Altekamp and Anderson, {K. J.} and S. Anderson and S. Arcelli and S. Asai and Ashby, {S. F.} and D. Axen and G. Azuelos and Ball, {A. H.} and E. Barberio and Barlow, {R. J.} and R. Bartoldus and Batley, {J. R.} and S. Baumann and J. Bechtluft and T. Behnke and Bell, {K. W.} and G. Bella and S. Bentvelsen and S. Bethke and S. Betts and O. Biebel and A. Biguzzi and Bird, {S. D.} and V. Blobel and Bloodworth, {I. J.} and M. Bobinski and P. Bock and D. Bonacorsi and M. Boutemeur and S. Braibant and L. Brigliadori and Brown, {R. M.} and Burckhart, {H. J.} and C. Burgard and R. B{\"u}rgin and P. Capiluppi and Carnegie, {R. K.} and Carter, {A. A.} and Carter, {J. R.} and Chang, {C. Y.} and Charlton, {D. G.} and D. Chrisman and Clarke, {P. E.L.} and I. Cohen and Conboy, {J. E.} and Cooke, {O. C.} and C. Couyoumtzelis and Coxe, {R. L.} and M. Cuffiani and S. Dado and C. Dallapiccola and Dallavalle, {G. M.} and R. Davis and {de Jong}, S. and {del Pozo}, {L. A.} and {de Roeck}, A. and K. Desch and B. Dienes and Dixit, {M. S.} and M. Doucet and E. Duchovni and G. Duckeck and Duerdoth, {I. P.} and D. Eatough and Estabrooks, {P. G.} and E. Etzion and Evans, {H. G.} and M. Evans and F. Fabbri and A. Fanfani and M. Fanti and Faust, {A. A.} and L. Feld and F. Fiedler and M. Fierro and Fischer, {H. M.} and I. Fleck and R. Folman and Fong, {D. G.} and M. Foucher and A. F{\"u}rtjes and Futyan, {D. I.} and P. Gagnon and Gary, {J. W.} and J. Gascon and Gascon-Shotkin, {S. M.} and Geddes, {N. I.} and C. Geich-Gimbel and T. Geralis and G. Giacomelli and P. Giacomelli and R. Giacomelli and V. Gibson and Gibson, {W. R.} and Gingrich, {D. M.} and D. Glenzinski and J. Goldberg and Goodrick, {M. J.} and W. Gorn and C. Grandi and E. Gross and J. Grunhaus and M. Gruw{\'e} and C. Hajdu and Hanson, {G. G.} and M. Hansroul and M. Hapke and Hargrove, {C. K.} and Hart, {P. A.} and C. Hartmann and M. Hauschild and Hawkes, {C. M.} and R. Hawkings and Hemingway, {R. J.} and M. Herndon and G. Herten and Heuer, {R. D.} and Hildreth, {M. D.} and Hill, {J. C.} and Hillier, {S. J.} and Hobson, {P. R.} and A. Hocker and Homer, {R. J.} and Honma, {A. K.} and D. Horv{\'a}th and Hossain, {K. R.} and R. Howard and P. H{\"u}ntemeyer and Hutchcroft, {D. E.} and P. Igo-Kemenes and Imrie, {D. C.} and K. Ishii and A. Jawahery and Jeffreys, {P. W.} and H. Jeremie and M. Jimack and A. Joly and Jones, {C. R.} and M. Jones and U. Jost and P. Jovanovic and Junk, {T. R.} and J. Kanzaki and D. Karlen and V. Kartvelishvili and K. Kawagoe and T. Kawamoto and Kayal, {P. I.} and Keeler, {R. K.} and Kellogg, {R. G.} and Kennedy, {B. W.} and J. Kirk and A. Klier and S. Kluth and T. Kobayashi and M. Kobel and Koetke, {D. S.} and Kokott, {T. P.} and M. Kolrep and Sachio Komamiya and Kowalewski, {R. V.} and T. Kress and P. Krieger and {von Krogh}, J. and P. Kyberd and Lafferty, {G. D.} and R. Lahmann and Lai, {W. P.} and D. Lanske and J. Lauber and Lautenschlager, {S. R.} and I. Lawson and Layter, {J. G.} and D. Lazic and Lee, {A. M.} and E. Lefebvre and D. Lellouch and J. Letts and L. Levinson and B. List and Lloyd, {S. L.} and Loebinger, {F. K.} and Long, {G. D.} and Losty, {M. J.} and J. Ludwig and D. Lui and A. Macchiolo and A. Macpherson and M. Mannelli and S. Marcellini and C. Markopoulos and C. Markus and Martin, {A. J.} and Martin, {J. P.} and G. Martinez and T. Mashimo and P. M{\"a}ttig and McDonald, {W. J.} and J. McKenna and Mckigney, {E. A.} and McMahon, {T. J.} and McPherson, {R. A.} and F. Meijers and S. Menke and Merritt, {F. S.} and H. Mes and J. Meyer and A. Michelini and S. Mihara and G. Mikenberg and Miller, {D. J.} and A. Mincer and R. Mir and W. Mohr and A. Montanari and T. Mori and S. Mihara and K. Nagai and I. Nakamura and Neal, {H. A.} and B. Nellen and R. Nisius and O'Neale, {S. W.} and Oakham, {F. G.} and F. Odorici and Ogren, {H. O.} and A. Oh and Oldershaw, {N. J.} and Oreglia, {M. J.} and S. Orito and J. P{\'a}link{\'a}s and G. P{\'a}sztor and Pater, {J. R.} and R. Perez-Ochoa and S. Petzold and P. Pfeifenschneider and Pilcher, {J. E.} and J. Pinfold and Plane, {D. E.} and P. Poffenberger and B. Poli and A. Posthaus and C. Rembser and S. Robertson and Robins, {S. A.} and N. Rodning and Roney, {J. M.} and A. Rooke and Rossi, {A. M.} and P. Routenburg and Y. Rozen and K. Runge and O. Runolfsson and U. Ruppel and Rust, {D. R.} and K. Sachs and T. Saeki and O. Sahr and Sang, {W. M.} and Sarkisyan, {E. K.G.} and C. Sbarra and Schaile, {A. D.} and O. Schaile and F. Scharf and P. Scharff-Hansen and J. Schieck and P. Schleper and B. Schmitt and S. Schmitt and A. Sch{\"o}ning and M. Schr{\"o}der and M. Schumacher and C. Schwick and Scott, {W. G.} and Shears, {T. G.} and Shen, {B. C.} and Shepherd-Themistocleous, {C. H.} and P. Sherwood and Sieberg, {R. P.B.} and Siroli, {G. P.} and A. Sittler and A. Skillman and A. Skuja and Smith, {A. M.} and Snow, {G. A.} and R. Sobie and S. S{\"o}ldner-Rembold and Springer, {R. W.} and M. Sproston and K. Stephens and J. Steuerer and B. Stockhausen and K. Stoll and D. Strom and R. Str{\"o}hmer and P. Szymanski and R. Tafirout and Talbot, {S. D.} and P. Taras and S. Tarem and R. Teuscher and M. Thiergen and Thomson, {M. A.} and {von T{\"o}rne}, E. and E. Torrence and S. Towers and I. Trigger and Z. Tr{\'o}cs{\'a}nyi and E. Tsur and Turcot, {A. S.} and Turner-Watson, {M. F.} and I. Ueda and P. Utzat and {van Kooten}, R. and P. Vannerem and M. Verzocchi and P. Vikas and Vokurka, {E. H.} and H. Voss and F. W{\"a}ckerle and A. Wagner 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 N. Wermes and White, {J. S.} and Wilson, {G. W.} and Wilson, {J. A.} and Wyatt, {T. R.} and S. Yamashita and G. Yekutieli and V. Zacek and D. Zer-Zion",
year = "1998",
month = "7",
day = "9",
doi = "10.1016/S0370-2693(98)00520-6",
language = "English",
volume = "431",
pages = "188--198",
journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",
issn = "0370-2693",
publisher = "Elsevier",
number = "1-2",

}

TY - JOUR

T1 - An upper limit on the anomalous magnetic moment of the τ lepton

AU - Ackerstaff, K.

AU - Alexander, G.

AU - Allison, J.

AU - Altekamp, N.

AU - Anderson, K. J.

AU - Anderson, S.

AU - Arcelli, S.

AU - Asai, S.

AU - Ashby, S. F.

AU - Axen, D.

AU - Azuelos, G.

AU - Ball, A. H.

AU - Barberio, E.

AU - Barlow, R. J.

AU - Bartoldus, R.

AU - Batley, J. R.

AU - Baumann, S.

AU - Bechtluft, J.

AU - Behnke, T.

AU - Bell, K. W.

AU - Bella, G.

AU - Bentvelsen, S.

AU - Bethke, S.

AU - Betts, S.

AU - Biebel, O.

AU - Biguzzi, A.

AU - Bird, S. D.

AU - Blobel, V.

AU - Bloodworth, I. J.

AU - Bobinski, M.

AU - Bock, P.

AU - Bonacorsi, D.

AU - Boutemeur, M.

AU - Braibant, S.

AU - Brigliadori, L.

AU - Brown, R. M.

AU - Burckhart, H. J.

AU - Burgard, C.

AU - Bürgin, R.

AU - Capiluppi, P.

AU - Carnegie, R. K.

AU - Carter, A. A.

AU - Carter, J. R.

AU - Chang, C. Y.

AU - Charlton, D. G.

AU - Chrisman, D.

AU - Clarke, P. E.L.

AU - Cohen, I.

AU - Conboy, J. E.

AU - Cooke, O. C.

AU - Couyoumtzelis, C.

AU - Coxe, R. L.

AU - Cuffiani, M.

AU - Dado, S.

AU - Dallapiccola, C.

AU - Dallavalle, G. M.

AU - Davis, R.

AU - de Jong, S.

AU - del Pozo, L. A.

AU - de Roeck, A.

AU - Desch, K.

AU - Dienes, B.

AU - Dixit, M. S.

AU - Doucet, M.

AU - Duchovni, E.

AU - Duckeck, G.

AU - Duerdoth, I. P.

AU - Eatough, D.

AU - Estabrooks, P. G.

AU - Etzion, E.

AU - Evans, H. G.

AU - Evans, M.

AU - Fabbri, F.

AU - Fanfani, A.

AU - Fanti, M.

AU - Faust, A. A.

AU - Feld, L.

AU - Fiedler, F.

AU - Fierro, M.

AU - Fischer, H. M.

AU - Fleck, I.

AU - Folman, R.

AU - Fong, D. G.

AU - Foucher, M.

AU - Fürtjes, A.

AU - Futyan, D. I.

AU - Gagnon, P.

AU - Gary, J. W.

AU - Gascon, J.

AU - Gascon-Shotkin, S. M.

AU - Geddes, N. I.

AU - Geich-Gimbel, C.

AU - Geralis, T.

AU - Giacomelli, G.

AU - Giacomelli, P.

AU - Giacomelli, R.

AU - Gibson, V.

AU - Gibson, W. R.

AU - Gingrich, D. M.

AU - Glenzinski, D.

AU - Goldberg, J.

AU - Goodrick, M. J.

AU - Gorn, W.

AU - Grandi, C.

AU - Gross, E.

AU - Grunhaus, J.

AU - Gruwé, M.

AU - Hajdu, C.

AU - Hanson, G. G.

AU - Hansroul, M.

AU - Hapke, M.

AU - Hargrove, C. K.

AU - Hart, P. A.

AU - Hartmann, C.

AU - Hauschild, M.

AU - Hawkes, C. M.

AU - Hawkings, R.

AU - Hemingway, R. J.

AU - Herndon, M.

AU - Herten, G.

AU - Heuer, R. D.

AU - Hildreth, M. D.

AU - Hill, J. C.

AU - Hillier, S. J.

AU - Hobson, P. R.

AU - Hocker, A.

AU - Homer, R. J.

AU - Honma, A. K.

AU - Horváth, D.

AU - Hossain, K. R.

AU - Howard, R.

AU - Hüntemeyer, P.

AU - Hutchcroft, D. E.

AU - Igo-Kemenes, P.

AU - Imrie, D. C.

AU - Ishii, K.

AU - Jawahery, A.

AU - Jeffreys, P. W.

AU - Jeremie, H.

AU - Jimack, M.

AU - Joly, A.

AU - Jones, C. R.

AU - Jones, M.

AU - Jost, U.

AU - Jovanovic, P.

AU - Junk, T. R.

AU - Kanzaki, J.

AU - Karlen, D.

AU - Kartvelishvili, V.

AU - Kawagoe, K.

AU - Kawamoto, T.

AU - Kayal, P. I.

AU - Keeler, R. K.

AU - Kellogg, R. G.

AU - Kennedy, B. W.

AU - Kirk, J.

AU - Klier, A.

AU - Kluth, S.

AU - Kobayashi, T.

AU - Kobel, M.

AU - Koetke, D. S.

AU - Kokott, T. P.

AU - Kolrep, M.

AU - Komamiya, Sachio

AU - Kowalewski, R. V.

AU - Kress, T.

AU - Krieger, P.

AU - von Krogh, J.

AU - Kyberd, P.

AU - Lafferty, G. D.

AU - Lahmann, R.

AU - Lai, W. P.

AU - Lanske, D.

AU - Lauber, J.

AU - Lautenschlager, S. R.

AU - Lawson, I.

AU - Layter, J. G.

AU - Lazic, D.

AU - Lee, A. M.

AU - Lefebvre, E.

AU - Lellouch, D.

AU - Letts, J.

AU - Levinson, L.

AU - List, B.

AU - Lloyd, S. L.

AU - Loebinger, F. K.

AU - Long, G. D.

AU - Losty, M. J.

AU - Ludwig, J.

AU - Lui, D.

AU - Macchiolo, A.

AU - Macpherson, A.

AU - Mannelli, M.

AU - Marcellini, S.

AU - Markopoulos, C.

AU - Markus, C.

AU - Martin, A. J.

AU - Martin, J. P.

AU - Martinez, G.

AU - Mashimo, T.

AU - Mättig, P.

AU - McDonald, W. J.

AU - McKenna, J.

AU - Mckigney, E. A.

AU - McMahon, T. J.

AU - McPherson, R. A.

AU - Meijers, F.

AU - Menke, S.

AU - Merritt, F. S.

AU - Mes, H.

AU - Meyer, J.

AU - Michelini, A.

AU - Mihara, S.

AU - Mikenberg, G.

AU - Miller, D. J.

AU - Mincer, A.

AU - Mir, R.

AU - Mohr, W.

AU - Montanari, A.

AU - Mori, T.

AU - Mihara, S.

AU - Nagai, K.

AU - Nakamura, I.

AU - Neal, H. A.

AU - Nellen, B.

AU - Nisius, R.

AU - O'Neale, S. W.

AU - Oakham, F. G.

AU - Odorici, F.

AU - Ogren, H. O.

AU - Oh, A.

AU - Oldershaw, N. J.

AU - Oreglia, M. J.

AU - Orito, S.

AU - Pálinkás, J.

AU - Pásztor, G.

AU - Pater, J. R.

AU - Perez-Ochoa, R.

AU - Petzold, S.

AU - Pfeifenschneider, P.

AU - Pilcher, J. E.

AU - Pinfold, J.

AU - Plane, D. E.

AU - Poffenberger, P.

AU - Poli, B.

AU - Posthaus, A.

AU - Rembser, C.

AU - Robertson, S.

AU - Robins, S. A.

AU - Rodning, N.

AU - Roney, J. M.

AU - Rooke, A.

AU - Rossi, A. M.

AU - Routenburg, P.

AU - Rozen, Y.

AU - Runge, K.

AU - Runolfsson, O.

AU - Ruppel, U.

AU - Rust, D. R.

AU - Sachs, K.

AU - Saeki, T.

AU - Sahr, O.

AU - Sang, W. M.

AU - Sarkisyan, E. K.G.

AU - Sbarra, C.

AU - Schaile, A. D.

AU - Schaile, O.

AU - Scharf, F.

AU - Scharff-Hansen, P.

AU - Schieck, J.

AU - Schleper, P.

AU - Schmitt, B.

AU - Schmitt, S.

AU - Schöning, A.

AU - Schröder, M.

AU - Schumacher, M.

AU - Schwick, C.

AU - Scott, W. G.

AU - Shears, T. G.

AU - Shen, B. C.

AU - Shepherd-Themistocleous, C. H.

AU - Sherwood, P.

AU - Sieberg, R. P.B.

AU - Siroli, G. P.

AU - Sittler, A.

AU - Skillman, A.

AU - Skuja, A.

AU - Smith, A. M.

AU - Snow, G. A.

AU - Sobie, R.

AU - Söldner-Rembold, S.

AU - Springer, R. W.

AU - Sproston, M.

AU - Stephens, K.

AU - Steuerer, J.

AU - Stockhausen, B.

AU - Stoll, K.

AU - Strom, D.

AU - Ströhmer, R.

AU - Szymanski, P.

AU - Tafirout, R.

AU - Talbot, S. D.

AU - Taras, P.

AU - Tarem, S.

AU - Teuscher, R.

AU - Thiergen, M.

AU - Thomson, M. A.

AU - von Törne, E.

AU - Torrence, E.

AU - Towers, S.

AU - Trigger, I.

AU - Trócsányi, Z.

AU - Tsur, E.

AU - Turcot, A. S.

AU - Turner-Watson, M. F.

AU - Ueda, I.

AU - Utzat, P.

AU - van Kooten, R.

AU - Vannerem, P.

AU - Verzocchi, M.

AU - Vikas, P.

AU - Vokurka, E. H.

AU - Voss, H.

AU - Wäckerle, F.

AU - Wagner, A.

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 - Wermes, N.

AU - White, J. S.

AU - Wilson, G. W.

AU - Wilson, J. A.

AU - Wyatt, T. R.

AU - Yamashita, S.

AU - Yekutieli, G.

AU - Zacek, V.

AU - Zer-Zion, D.

PY - 1998/7/9

Y1 - 1998/7/9

N2 - Using radiative Z0 → τ+τ- γ events collected with the OPAL detector at LEP at √s = MZ during 1990-95, a direct study of the electromagnetic current at the τγ vertex has been performed in terms of the anomalous magnetic form factor F2 of the T lepton. The analysis is based on a data sample of 1429 e+e- → τ+τ- γ events which are examined for a deviation from the expectation with F2 = 0. From the non-observation of anomalous τ+τ- γ production a limit of - 0.068 < F2 < 0.065 is obtained. This can also be interpreted as a limit on the electric dipole form factor F3 as |eF3| < 3.7 × 10-16 e cm. The above ranges are valid at the 95% confidence level.

AB - Using radiative Z0 → τ+τ- γ events collected with the OPAL detector at LEP at √s = MZ during 1990-95, a direct study of the electromagnetic current at the τγ vertex has been performed in terms of the anomalous magnetic form factor F2 of the T lepton. The analysis is based on a data sample of 1429 e+e- → τ+τ- γ events which are examined for a deviation from the expectation with F2 = 0. From the non-observation of anomalous τ+τ- γ production a limit of - 0.068 < F2 < 0.065 is obtained. This can also be interpreted as a limit on the electric dipole form factor F3 as |eF3| < 3.7 × 10-16 e cm. The above ranges are valid at the 95% confidence level.

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U2 - 10.1016/S0370-2693(98)00520-6

DO - 10.1016/S0370-2693(98)00520-6

M3 - Article

VL - 431

SP - 188

EP - 198

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 -