Determination of semi-muonic branching ratios and fragmentation functions of heavy quarks in e+e- annihilation at {Mathematical expression}=34.6 GeV

W. Bartel, L. Becker, R. Felst, D. Haidt, G. Knies, H. Krehbiel, P. Laurikainen, N. Magnussen, R. Meinke, B. Naroska, J. Olsson, D. Schmidt, P. Steffen, T. Greenshaw, J. Hagemann, G. Heinzelmann, H. Kado, C. Kleinwort, M. Kuhlen, A. Petersen & 46 others R. Ramcke, U. Schneekloth, G. Weber, K. Ambrus, S. Bethke, A. Dieckmann, E. Elsen, J. Heintze, K. H. Hellenbrand, Sachio Komamiya, J. von Krogh, H. Rieseberg, H. v. d. Schmitt, L. Smolik, J. Spitzer, A. Wagner, M. Zimmer, C. K. Bowdery, A. J. Finch, F. Foster, G. Hughes, J. M. Nye, I. W. Walker, J. Allison, R. J. Barlow, J. Chrin, I. P. Duerdoth, F. K. Loebinger, A. A. Macbeth, H. E. Mills, P. G. Murphy, K. Stephens, P. Warming, R. G. Glasser, P. Hill, J. A.J. Skard, S. R. Wagner, G. T. Zorn, S. L. Cartwright, D. Clarke, R. Marshall, R. P. Middleton, K. Kawagoe, T. Mashimo, T. Takeshita, S. Yamada

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Abstract

Muon inclusive multihadronic final states in e+e- annihilation at {Mathematical expression}=34.6 GeV, collected by the JADE detector at PETRA, have been analysed in terms of the semi-muonic branching ratios and fragmentation functions of heavy quarks. Defining the fragmentation variable, ζ, as {Mathematical expression} we find <zc>=(77±3±5)% and <zb>=(86±4±5)%. The corresponding semi-muonic branching ratios are measured to be BR(c→μvμX)=7.8±1.5±2)% and BR (b→μvμX)=(11.7±1.6±1.5)%. Defining ζ as {Mathematical expression} we observe an expected softening effect in the fragmentation due mainly to gluon emission, but find that this definition leads to semi-muonic branching ratiomeasurements which are strongly affected by uncertainties in the fragmentation process and the WCD calculation.

Original languageEnglish
Pages (from-to)339-349
Number of pages11
JournalZeitschrift für Physik C Particles and Fields
Volume33
Issue number3
DOIs
Publication statusPublished - 1987 Sep 1
Externally publishedYes

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fragmentation
quarks
Detectors
softening
muons
Uncertainty
detectors

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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Determination of semi-muonic branching ratios and fragmentation functions of heavy quarks in e+e- annihilation at {Mathematical expression}=34.6 GeV. / Bartel, W.; Becker, L.; Felst, R.; Haidt, D.; Knies, G.; Krehbiel, H.; Laurikainen, P.; Magnussen, N.; Meinke, R.; Naroska, B.; Olsson, J.; Schmidt, D.; Steffen, P.; Greenshaw, T.; Hagemann, J.; Heinzelmann, G.; Kado, H.; Kleinwort, C.; Kuhlen, M.; Petersen, A.; Ramcke, R.; Schneekloth, U.; Weber, G.; Ambrus, K.; Bethke, S.; Dieckmann, A.; Elsen, E.; Heintze, J.; Hellenbrand, K. H.; Komamiya, Sachio; von Krogh, J.; Rieseberg, H.; v. d. Schmitt, H.; Smolik, L.; Spitzer, J.; Wagner, A.; Zimmer, M.; Bowdery, C. K.; Finch, A. J.; Foster, F.; Hughes, G.; Nye, J. M.; Walker, I. W.; Allison, J.; Barlow, R. J.; Chrin, J.; Duerdoth, I. P.; Loebinger, F. K.; Macbeth, A. A.; Mills, H. E.; Murphy, P. G.; Stephens, K.; Warming, P.; Glasser, R. G.; Hill, P.; Skard, J. A.J.; Wagner, S. R.; Zorn, G. T.; Cartwright, S. L.; Clarke, D.; Marshall, R.; Middleton, R. P.; Kawagoe, K.; Mashimo, T.; Takeshita, T.; Yamada, S.

In: Zeitschrift für Physik C Particles and Fields, Vol. 33, No. 3, 01.09.1987, p. 339-349.

Research output: Contribution to journalArticle

Bartel, W, Becker, L, Felst, R, Haidt, D, Knies, G, Krehbiel, H, Laurikainen, P, Magnussen, N, Meinke, R, Naroska, B, Olsson, J, Schmidt, D, Steffen, P, Greenshaw, T, Hagemann, J, Heinzelmann, G, Kado, H, Kleinwort, C, Kuhlen, M, Petersen, A, Ramcke, R, Schneekloth, U, Weber, G, Ambrus, K, Bethke, S, Dieckmann, A, Elsen, E, Heintze, J, Hellenbrand, KH, Komamiya, S, von Krogh, J, Rieseberg, H, v. d. Schmitt, H, Smolik, L, Spitzer, J, Wagner, A, Zimmer, M, Bowdery, CK, Finch, AJ, Foster, F, Hughes, G, Nye, JM, Walker, IW, Allison, J, Barlow, RJ, Chrin, J, Duerdoth, IP, Loebinger, FK, Macbeth, AA, Mills, HE, Murphy, PG, Stephens, K, Warming, P, Glasser, RG, Hill, P, Skard, JAJ, Wagner, SR, Zorn, GT, Cartwright, SL, Clarke, D, Marshall, R, Middleton, RP, Kawagoe, K, Mashimo, T, Takeshita, T & Yamada, S 1987, 'Determination of semi-muonic branching ratios and fragmentation functions of heavy quarks in e+e- annihilation at {Mathematical expression}=34.6 GeV', Zeitschrift für Physik C Particles and Fields, vol. 33, no. 3, pp. 339-349. https://doi.org/10.1007/BF01552539
Bartel, W. ; Becker, L. ; Felst, R. ; Haidt, D. ; Knies, G. ; Krehbiel, H. ; Laurikainen, P. ; Magnussen, N. ; Meinke, R. ; Naroska, B. ; Olsson, J. ; Schmidt, D. ; Steffen, P. ; Greenshaw, T. ; Hagemann, J. ; Heinzelmann, G. ; Kado, H. ; Kleinwort, C. ; Kuhlen, M. ; Petersen, A. ; Ramcke, R. ; Schneekloth, U. ; Weber, G. ; Ambrus, K. ; Bethke, S. ; Dieckmann, A. ; Elsen, E. ; Heintze, J. ; Hellenbrand, K. H. ; Komamiya, Sachio ; von Krogh, J. ; Rieseberg, H. ; v. d. Schmitt, H. ; Smolik, L. ; Spitzer, J. ; Wagner, A. ; Zimmer, M. ; Bowdery, C. K. ; Finch, A. J. ; Foster, F. ; Hughes, G. ; Nye, J. M. ; Walker, I. W. ; Allison, J. ; Barlow, R. J. ; Chrin, J. ; Duerdoth, I. P. ; Loebinger, F. K. ; Macbeth, A. A. ; Mills, H. E. ; Murphy, P. G. ; Stephens, K. ; Warming, P. ; Glasser, R. G. ; Hill, P. ; Skard, J. A.J. ; Wagner, S. R. ; Zorn, G. T. ; Cartwright, S. L. ; Clarke, D. ; Marshall, R. ; Middleton, R. P. ; Kawagoe, K. ; Mashimo, T. ; Takeshita, T. ; Yamada, S. / Determination of semi-muonic branching ratios and fragmentation functions of heavy quarks in e+e- annihilation at {Mathematical expression}=34.6 GeV. In: Zeitschrift für Physik C Particles and Fields. 1987 ; Vol. 33, No. 3. pp. 339-349.
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title = "Determination of semi-muonic branching ratios and fragmentation functions of heavy quarks in e+e- annihilation at {Mathematical expression}=34.6 GeV",
abstract = "Muon inclusive multihadronic final states in e+e- annihilation at {Mathematical expression}=34.6 GeV, collected by the JADE detector at PETRA, have been analysed in terms of the semi-muonic branching ratios and fragmentation functions of heavy quarks. Defining the fragmentation variable, ζ, as {Mathematical expression} we find c>=(77±3±5){\%} and b>=(86±4±5){\%}. The corresponding semi-muonic branching ratios are measured to be BR(c→μvμX)=7.8±1.5±2){\%} and BR (b→μvμX)=(11.7±1.6±1.5){\%}. Defining ζ as {Mathematical expression} we observe an expected softening effect in the fragmentation due mainly to gluon emission, but find that this definition leads to semi-muonic branching ratiomeasurements which are strongly affected by uncertainties in the fragmentation process and the WCD calculation.",
author = "W. Bartel and L. Becker and R. Felst and D. Haidt and G. Knies and H. Krehbiel and P. Laurikainen and N. Magnussen and R. Meinke and B. Naroska and J. Olsson and D. Schmidt and P. Steffen and T. Greenshaw and J. Hagemann and G. Heinzelmann and H. Kado and C. Kleinwort and M. Kuhlen and A. Petersen and R. Ramcke and U. Schneekloth and G. Weber and K. Ambrus and S. Bethke and A. Dieckmann and E. Elsen and J. Heintze and Hellenbrand, {K. H.} and Sachio Komamiya and {von Krogh}, J. and H. Rieseberg and {v. d. Schmitt}, H. and L. Smolik and J. Spitzer and A. Wagner and M. Zimmer and Bowdery, {C. K.} and Finch, {A. J.} and F. Foster and G. Hughes and Nye, {J. M.} and Walker, {I. W.} and J. Allison and Barlow, {R. J.} and J. Chrin and Duerdoth, {I. P.} and Loebinger, {F. K.} and Macbeth, {A. A.} and Mills, {H. E.} and Murphy, {P. G.} and K. Stephens and P. Warming and Glasser, {R. G.} and P. Hill and Skard, {J. A.J.} and Wagner, {S. R.} and Zorn, {G. T.} and Cartwright, {S. L.} and D. Clarke and R. Marshall and Middleton, {R. P.} and K. Kawagoe and T. Mashimo and T. Takeshita and S. Yamada",
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pages = "339--349",
journal = "European Physical Journal C",
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TY - JOUR

T1 - Determination of semi-muonic branching ratios and fragmentation functions of heavy quarks in e+e- annihilation at {Mathematical expression}=34.6 GeV

AU - Bartel, W.

AU - Becker, L.

AU - Felst, R.

AU - Haidt, D.

AU - Knies, G.

AU - Krehbiel, H.

AU - Laurikainen, P.

AU - Magnussen, N.

AU - Meinke, R.

AU - Naroska, B.

AU - Olsson, J.

AU - Schmidt, D.

AU - Steffen, P.

AU - Greenshaw, T.

AU - Hagemann, J.

AU - Heinzelmann, G.

AU - Kado, H.

AU - Kleinwort, C.

AU - Kuhlen, M.

AU - Petersen, A.

AU - Ramcke, R.

AU - Schneekloth, U.

AU - Weber, G.

AU - Ambrus, K.

AU - Bethke, S.

AU - Dieckmann, A.

AU - Elsen, E.

AU - Heintze, J.

AU - Hellenbrand, K. H.

AU - Komamiya, Sachio

AU - von Krogh, J.

AU - Rieseberg, H.

AU - v. d. Schmitt, H.

AU - Smolik, L.

AU - Spitzer, J.

AU - Wagner, A.

AU - Zimmer, M.

AU - Bowdery, C. K.

AU - Finch, A. J.

AU - Foster, F.

AU - Hughes, G.

AU - Nye, J. M.

AU - Walker, I. W.

AU - Allison, J.

AU - Barlow, R. J.

AU - Chrin, J.

AU - Duerdoth, I. P.

AU - Loebinger, F. K.

AU - Macbeth, A. A.

AU - Mills, H. E.

AU - Murphy, P. G.

AU - Stephens, K.

AU - Warming, P.

AU - Glasser, R. G.

AU - Hill, P.

AU - Skard, J. A.J.

AU - Wagner, S. R.

AU - Zorn, G. T.

AU - Cartwright, S. L.

AU - Clarke, D.

AU - Marshall, R.

AU - Middleton, R. P.

AU - Kawagoe, K.

AU - Mashimo, T.

AU - Takeshita, T.

AU - Yamada, S.

PY - 1987/9/1

Y1 - 1987/9/1

N2 - Muon inclusive multihadronic final states in e+e- annihilation at {Mathematical expression}=34.6 GeV, collected by the JADE detector at PETRA, have been analysed in terms of the semi-muonic branching ratios and fragmentation functions of heavy quarks. Defining the fragmentation variable, ζ, as {Mathematical expression} we find c>=(77±3±5)% and b>=(86±4±5)%. The corresponding semi-muonic branching ratios are measured to be BR(c→μvμX)=7.8±1.5±2)% and BR (b→μvμX)=(11.7±1.6±1.5)%. Defining ζ as {Mathematical expression} we observe an expected softening effect in the fragmentation due mainly to gluon emission, but find that this definition leads to semi-muonic branching ratiomeasurements which are strongly affected by uncertainties in the fragmentation process and the WCD calculation.

AB - Muon inclusive multihadronic final states in e+e- annihilation at {Mathematical expression}=34.6 GeV, collected by the JADE detector at PETRA, have been analysed in terms of the semi-muonic branching ratios and fragmentation functions of heavy quarks. Defining the fragmentation variable, ζ, as {Mathematical expression} we find c>=(77±3±5)% and b>=(86±4±5)%. The corresponding semi-muonic branching ratios are measured to be BR(c→μvμX)=7.8±1.5±2)% and BR (b→μvμX)=(11.7±1.6±1.5)%. Defining ζ as {Mathematical expression} we observe an expected softening effect in the fragmentation due mainly to gluon emission, but find that this definition leads to semi-muonic branching ratiomeasurements which are strongly affected by uncertainties in the fragmentation process and the WCD calculation.

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U2 - 10.1007/BF01552539

DO - 10.1007/BF01552539

M3 - Article

VL - 33

SP - 339

EP - 349

JO - European Physical Journal C

JF - European Physical Journal C

SN - 1434-6044

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