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Measurement of the average lifetime ofB hadrons

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Zeitschrift für Physik C Particles and Fields

Abstract

The average lifetime ofB hadrons has been measured by the TASSO collaboration using 110 pb−1 of data collected in 1986 at a center of mass energy of 35 GeV. Measurements by three different methods are presented and a method ofB-enrichment is discussed. The result of the impact parameter method is τB=1.36±0.13±0.28 ps, that of the vertex method is τB=1.30±0.10±0.28 ps and that of the dipole method is τB=1.47±0.14±0.30 ps. These are combined to give the result τB=1.35±0.10±0.24 ps.

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References

  1. M. Kobayashi, T. Maskawa: Prog. Theor. Phys. 49 (1973) 652

    Google Scholar 

  2. JADE Coll. W. Bartel et al.: Phys. Lett. 114B (1982) 71

    Google Scholar 

  3. MAC Coll. E. Fernandez et al.: Phys. Rev. Lett. 51 (1983) 1022

    Google Scholar 

  4. MARK II Coll. N.S. Lockyer et al.: Phys. Rev. Lett 51 (1983) 1316

    Google Scholar 

  5. JADE Coll. W. Bartel et al.: Z. Phys. C-Particles and Fields 31 (1986) 349; HRS Coll. J.-M. Brom et al., Phys. Lett. B 195 (1987) 301; DELCO Coll. D.E. Klem et al.: Phys. Rev. D 37 (1988) 41; MARK II Coll. SLAC-PUB-4559, submitted to Phys. Rev. Lett.

    Google Scholar 

  6. MAC Coll. W.W. Ash et al.: Phys. Rev. Lett. 58 (1987) 640

    Google Scholar 

  7. TASSO Coll. M. Althoff et al.: Phys. Lett. 149B (1984) 524

    Google Scholar 

  8. TASSO Coll. R. Brandelik et al.: Phys. Lett. 83B (1979) 261; Z. Phys. C-Particles and Fields (1980) 87; H. Boerner et al.: Nucl. Instrum. Methods 176 (1980) 151; D. Binnie et al.: Nucl. Inst 282 (1985) 267

    Google Scholar 

  9. ARGUS Coll. H. Albrecht et al.: Phys. Lett. 185B (1987) 218; CLEO Coll. C. Bebek et al.: CLNS 86/742 (1987)

    Google Scholar 

  10. D. Cassel, H. Kowalski: Nucl. Instrum. Methods A185 (1981) 235

    Google Scholar 

  11. S.L. Wu, G. Zobernig: Z. Phys. C-Particles and Fields 2 (1979) 107

    Google Scholar 

  12. R. Barlow: J. Comp. Phys. 72 (1987) 202

    Google Scholar 

  13. TASSO Coll. W. Braunschweig et al.: Z. Phys. C-Particles and Fields 39 (1988) 331

    Google Scholar 

  14. A.J. Campbell: Ph.D. Thesis, Imperial College, London 1983

  15. D.H. Saxon: Nucl. Instrum. Methods A234 (1985) 258

    Google Scholar 

  16. K. Fabricius, G. Kramer, G. Schierholz, I. Schmitt: Phys. Lett. 97B (1980) 431; Z. Phys. C-Particles and Fields 11 (1983) 315

    Google Scholar 

  17. A. Peterson et al.: Phys. Rev. D27 (1983) 105

    Google Scholar 

  18. J. Chrin: Z. Phys. C-Particles and Fields 36 (1987) 163; E. Thorndike: Ann. Rev. Nucl. Part. Sci. 35 (1985) 195

    Google Scholar 

  19. TASSO Coll. M. Althoff et al.: Z. Phys. C-Particles and Fields 26 (1984) 157

    Google Scholar 

  20. A. Ali, J. Körner, G. Kramer, J. Willrodt: Z. Phys. C-Particles and Fields 1 (1979) 203

    Google Scholar 

  21. B. Gittelman, S. Stone: CLNS 87/81 (1987)

  22. T. Sjöstrand: Comput. Phys. Commun. 39 (1986) 347

    Google Scholar 

  23. D. Hitlin in: Proceedings of the 1987 International Symposium on Lepton and Photon Interactions at High Energies, Hamburg, 1987, W. Bartel, R. Rückl (eds.) p. 179. Amsterdam: North Holland 1987

    Google Scholar 

  24. L. Lyons, D. Gibaut, P. Clifford: Nucl. Instrum. Methods A270 (1988) 110

    Google Scholar 

  25. ARGUS Coll. Contributed paper, XXIV International Conference on High Energy Physics, Munich, 1988; CLEO Coll. S. Berends et al.: Phys. Rev. Lett. 59 (1987) 407

  26. R. Ramcke: Ph.D. Thesis, Universität Hamburg (1988)

  27. M.E. Veitch: Ph.D. Thesis, Oxford University (1989)

  28. CLEO Coll. A. Bean et al.: Phys. Rev. Lett. 58 (1987) 183

    Google Scholar 

Download references

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Author notes

  1. F. Barreiro (Alexander v. Humboldt fellow)

    Present address: Universidad Autonoma de Madrid, Madrid, Spain

  2. P. N. Burrows

    Present address: Rutherford Appleton Laboratory, Chilton, Didcot, UK

  3. B. Bock

    Present address: Krupp Atlas Elektr. GmbH, Bremen, FRG

  4. E. Bernardi

    Present address: Robert Bosch GmbH, Schwieberdingen, FRG

  5. J. Chwastowski & A. Eskreys

    Present address: Inst. of Nuclear Physics, Cracow, Poland

  6. K. Genser, J. M. Pawlak & R. Walczak

    Present address: Warsaw University, Poland

  7. P. Mättig

    Present address: Carleton University, IPP Canada, Ottawa, Canada

  8. I. R. Tomalin

    Present address: Imperial College, London, UK

  9. G. E. Forden

    Present address: SUNY Stony Brook, Stony Brook, NY, USA

  10. L. Labarga

    Present address: SLAC, Stanford, CA, USA

  11. A. Caldwell & S. Ritz

    Present address: Columbia University, NY, USA

  12. D. Strom

    Present address: University of Chicago, Chicago, IL, USA

Authors and Affiliations

  1. I. Physikalisches Institut, RWTH, Aachen, Federal Republic of Germany

    W. Braunschweig, R. Gerhards, F. J. Kirschfink & H. -U. Martyn

  2. Physikalisches Institut, Universität, Bonn, Federal Republic of Germany

    B. Bock, H. M. Fischer, H. Hartmann, J. Hartmann, E. Hilger, A. Jocksch & R. Wedemeyer

  3. H.H. Wills Physics Laboratory, University of Bristol, Bristol, UK

    B. Foster, A. J. Martin & A. J. Sephton

  4. Deutsches Elektronen-Synchrotron DESY, Hamburg, Federal Republic of Germany

    F. Barreiro (Alexander v. Humboldt fellow), E. Bernardi, J. Chwastowski, A. Eskreys, K. Gather, K. Genser, H. Hultschig, P. Joos, H. Kowalski, A. Ladage, B. Löhr, D. Lüke, P. Mättig, D. Notz, J. M. Pawlak, K. -U. Pösnecker, E. Ros, D. Trines, R. Walczak & G. Wolf

  5. Institut für Physik, Universität, Dortmund, Federal Republic of Germany

    H. Kolanoski

  6. II. Institut für Experimentalphysik, Universität, Hamburg, Federal Republic of Germany

    T. Kracht, J. Krüger, E. Lohrmann, G. Poelz & W. Zeuner

  7. Department of Physics, Imperial College, London, UK

    A. Belk, D. M. Binnie, J. Hassard, J. Shulman & D. Su

  8. Universidad Autonoma de Madrid, Madrid, Spain

    A. Leites & J. del Peso

  9. Department of Nuclear Physics, Oxford University, Oxford, UK

    C. Balkwill, M. G. Bowler, P. N. Burrows, R. J. Cashmore, G. P. Heath, P. N. Ratoff, I. M. Silvester, I. R. Tomalin & M. E. Veitch

  10. Rutherford Appleton Laboratory, Chilton, Didcot, UK

    G. E. Forden, J. C. Hart & D. H. Saxon

  11. Fachbereich Physik, Universität-Gesamthochschule, Siegen, Federal Republic of Germany

    S. Brandt, M. Holder & L. Labarga

  12. Weizmann Institute, Rehovot, Israel

    Y. Eisenberg, U. Karshon, G. Mikenberg, A. Montag, D. Revel, E. Ronat, A. Shapira, N. Wainer & G. Yekutieli

  13. Department of Physics, University of Wisconsin, Madison, WI, USA

    A. Caldwell, D. Muller, S. Ritz, D. Strom, M. Takashima, Sau Lan Wu & G. Zobernig

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  1. W. Braunschweig
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  7. H. Hartmann
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  8. J. Hartmann
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  9. E. Hilger
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  11. R. Wedemeyer
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TASSO Collaboration

Additional information

Now at Hasylab, DESY

Supported by Bundesministerium für Forschung und Technologie

Supported by UK Science and Engineering Research Council

Supported by CAICYT

Supported by the Minerva Gesellschaft für Forschung GmbH

Supported by US Dept. of Energy, contract DE-AC02-76ER000881 and by US Nat. Sci. Foundation Grant no INT-8313994 for travel

Partially supported by grant CPBP 01.06

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TASSO Collaboration., Braunschweig, W., Gerhards, R. et al. Measurement of the average lifetime ofB hadrons. Z. Phys. C - Particles and Fields 44, 1–13 (1989). https://doi.org/10.1007/BF01548581

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  • DOI: https://doi.org/10.1007/BF01548581

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