Measurement of R and search for the top quark in e+e- annihilation between 39.8 and 45.2 GeV

M. Althoff, W. Braunschweig, F. J. Kirschfink, K. Lübelsmeyer, H. U. Martyn, G. Peise, J. Rimkus, P. Rosskamp, H. G. Sander, D. Schmitz, H. Siebke, W. Wallraff, H. M. Fischer, H. Hartmann, W. Hillen, A. Jocksch, G. Knop, L. Köpke, H. Kolanoski, H. Kück & 88 others V. Mertens, R. Wedemeyer, M. Wollstadt, Y. Eisenberg, K. Gather, H. Hultschig, P. Joos, U. Kötz, H. Kowalski, A. Ladage, B. Löhr, D. Lüke, P. Mättig, D. Notz, R. J. Nowak, J. Pyrlik, M. Rushton, W. Schütte, D. Trines, G. Wolf, Ch Xiao, R. Fohrmann, E. Hilger, T. Kracht, H. L. Krasemann, P. Leu, E. Lohrmann, D. Pandoulas, G. Poelz, K. U. Pösnecker, B. H. Wiik, R. Beuselinck, D. M. Binnie, A. J. Campbell, P. J. Dornan, B. Foster, D. A. Garbutt, C. Jenkins, T. D. Jones, W. G. Jones, J. McCardle, J. K. Sedgbeer, J. Thomas, W. A T Wan Abdullah, K. W. Bell, M. G. Bowler, P. Bull, R. J. Cashmore, P. E L Clarke, R. Devenish, P. Grossmann, C. M. Hawkes, S. L. Lloyd, G. L. Salmon, T. R. Wyatt, C. Youngman, G. E. Forden, J. C. Hart, J. Harvey, D. K. Hasell, J. Proudfoot, D. H. Saxon, F. Barreiro, M. Dittmar, M. Holder, G. Kreutz, B. Neumann, E. Duchovni, U. Karshon, G. Mikenberg, R. Mir, D. Revel, E. Ronat, A. Shapira, G. Yekutieli, G. Baranko, T. Barklow, A. Caldwell, Michael G. Cherney, J. M. Izen, M. Mermikides, G. Rudolph, D. Strom, M. Takashima, H. Venkataramania, E. Wicklund, Sau Lan Wu, G. Zobernig

Research output: Contribution to journal › Article

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Abstract

e+e- annihilation into hadrons was studied at CM energies between 39.8 and 45.2 GeV and a search was made for new heavy quarks. No evidence was found for the existence of a narrow state excluding the possible existence of the lowest vector toponium state in this mass range. A search for continuum production of heavy quarks led to lower mass limits for new quarks of 22.0 GeV (eQ = 2 3) and 21.0 GeV (eQ = 1 3). Quarks are found to be pointlike, the corresponding mass parameter being larger than 288 GeV. A fit of the QCD and the electroweak contributions to R=σtot/σμμ yielded sin2θW = 0.30-0.07 +0.23.

Original languageEnglish
Pages (from-to)441-448
Number of pages8
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume138
Issue number5-6
DOIs
StatePublished - Apr 26 1984
Externally publishedYes

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quarks
state vectors
hadrons
quantum chromodynamics
continuums
energy

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Althoff, M., Braunschweig, W., Kirschfink, F. J., Lübelsmeyer, K., Martyn, H. U., Peise, G., ... Zobernig, G. (1984). Measurement of R and search for the top quark in e+e- annihilation between 39.8 and 45.2 GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 138(5-6), 441-448. https://doi.org/10.1016/0370-2693(84)91936-1

Measurement of R and search for the top quark in e+e- annihilation between 39.8 and 45.2 GeV. / Althoff, M.; Braunschweig, W.; Kirschfink, F. J.; Lübelsmeyer, K.; Martyn, H. U.; Peise, G.; Rimkus, J.; Rosskamp, P.; Sander, H. G.; Schmitz, D.; Siebke, H.; Wallraff, W.; Fischer, H. M.; Hartmann, H.; Hillen, W.; Jocksch, A.; Knop, G.; Köpke, L.; Kolanoski, H.; Kück, H.; Mertens, V.; Wedemeyer, R.; Wollstadt, M.; Eisenberg, Y.; Gather, K.; Hultschig, H.; Joos, P.; Kötz, U.; Kowalski, H.; Ladage, A.; Löhr, B.; Lüke, D.; Mättig, P.; Notz, D.; Nowak, R. J.; Pyrlik, J.; Rushton, M.; Schütte, W.; Trines, D.; Wolf, G.; Xiao, Ch; Fohrmann, R.; Hilger, E.; Kracht, T.; Krasemann, H. L.; Leu, P.; Lohrmann, E.; Pandoulas, D.; Poelz, G.; Pösnecker, K. U.; Wiik, B. H.; Beuselinck, R.; Binnie, D. M.; Campbell, A. J.; Dornan, P. J.; Foster, B.; Garbutt, D. A.; Jenkins, C.; Jones, T. D.; Jones, W. G.; McCardle, J.; Sedgbeer, J. K.; Thomas, J.; Wan Abdullah, W. A T; Bell, K. W.; Bowler, M. G.; Bull, P.; Cashmore, R. J.; Clarke, P. E L; Devenish, R.; Grossmann, P.; Hawkes, C. M.; Lloyd, S. L.; Salmon, G. L.; Wyatt, T. R.; Youngman, C.; Forden, G. E.; Hart, J. C.; Harvey, J.; Hasell, D. K.; Proudfoot, J.; Saxon, D. H.; Barreiro, F.; Dittmar, M.; Holder, M.; Kreutz, G.; Neumann, B.; Duchovni, E.; Karshon, U.; Mikenberg, G.; Mir, R.; Revel, D.; Ronat, E.; Shapira, A.; Yekutieli, G.; Baranko, G.; Barklow, T.; Caldwell, A.; Cherney, Michael G.; Izen, J. M.; Mermikides, M.; Rudolph, G.; Strom, D.; Takashima, M.; Venkataramania, H.; Wicklund, E.; Wu, Sau Lan; Zobernig, G.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 138, No. 5-6, 26.04.1984, p. 441-448.

Research output: Contribution to journal › Article

Althoff, M, Braunschweig, W, Kirschfink, FJ, Lübelsmeyer, K, Martyn, HU, Peise, G, Rimkus, J, Rosskamp, P, Sander, HG, Schmitz, D, Siebke, H, Wallraff, W, Fischer, HM, Hartmann, H, Hillen, W, Jocksch, A, Knop, G, Köpke, L, Kolanoski, H, Kück, H, Mertens, V, Wedemeyer, R, Wollstadt, M, Eisenberg, Y, Gather, K, Hultschig, H, Joos, P, Kötz, U, Kowalski, H, Ladage, A, Löhr, B, Lüke, D, Mättig, P, Notz, D, Nowak, RJ, Pyrlik, J, Rushton, M, Schütte, W, Trines, D, Wolf, G, Xiao, C, Fohrmann, R, Hilger, E, Kracht, T, Krasemann, HL, Leu, P, Lohrmann, E, Pandoulas, D, Poelz, G, Pösnecker, KU, Wiik, BH, Beuselinck, R, Binnie, DM, Campbell, AJ, Dornan, PJ, Foster, B, Garbutt, DA, Jenkins, C, Jones, TD, Jones, WG, McCardle, J, Sedgbeer, JK, Thomas, J, Wan Abdullah, WAT, Bell, KW, Bowler, MG, Bull, P, Cashmore, RJ, Clarke, PEL, Devenish, R, Grossmann, P, Hawkes, CM, Lloyd, SL, Salmon, GL, Wyatt, TR, Youngman, C, Forden, GE, Hart, JC, Harvey, J, Hasell, DK, Proudfoot, J, Saxon, DH, Barreiro, F, Dittmar, M, Holder, M, Kreutz, G, Neumann, B, Duchovni, E, Karshon, U, Mikenberg, G, Mir, R, Revel, D, Ronat, E, Shapira, A, Yekutieli, G, Baranko, G, Barklow, T, Caldwell, A, Cherney, MG, Izen, JM, Mermikides, M, Rudolph, G, Strom, D, Takashima, M, Venkataramania, H, Wicklund, E, Wu, SL & Zobernig, G 1984, 'Measurement of R and search for the top quark in e+e- annihilation between 39.8 and 45.2 GeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 138, no. 5-6, pp. 441-448. https://doi.org/10.1016/0370-2693(84)91936-1
Althoff M, Braunschweig W, Kirschfink FJ, Lübelsmeyer K, Martyn HU, Peise G et al. Measurement of R and search for the top quark in e+e- annihilation between 39.8 and 45.2 GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1984 Apr 26;138(5-6):441-448. https://doi.org/10.1016/0370-2693(84)91936-1
Althoff, M. ; Braunschweig, W. ; Kirschfink, F. J. ; Lübelsmeyer, K. ; Martyn, H. U. ; Peise, G. ; Rimkus, J. ; Rosskamp, P. ; Sander, H. G. ; Schmitz, D. ; Siebke, H. ; Wallraff, W. ; Fischer, H. M. ; Hartmann, H. ; Hillen, W. ; Jocksch, A. ; Knop, G. ; Köpke, L. ; Kolanoski, H. ; Kück, H. ; Mertens, V. ; Wedemeyer, R. ; Wollstadt, M. ; Eisenberg, Y. ; Gather, K. ; Hultschig, H. ; Joos, P. ; Kötz, U. ; Kowalski, H. ; Ladage, A. ; Löhr, B. ; Lüke, D. ; Mättig, P. ; Notz, D. ; Nowak, R. J. ; Pyrlik, J. ; Rushton, M. ; Schütte, W. ; Trines, D. ; Wolf, G. ; Xiao, Ch ; Fohrmann, R. ; Hilger, E. ; Kracht, T. ; Krasemann, H. L. ; Leu, P. ; Lohrmann, E. ; Pandoulas, D. ; Poelz, G. ; Pösnecker, K. U. ; Wiik, B. H. ; Beuselinck, R. ; Binnie, D. M. ; Campbell, A. J. ; Dornan, P. J. ; Foster, B. ; Garbutt, D. A. ; Jenkins, C. ; Jones, T. D. ; Jones, W. G. ; McCardle, J. ; Sedgbeer, J. K. ; Thomas, J. ; Wan Abdullah, W. A T ; Bell, K. W. ; Bowler, M. G. ; Bull, P. ; Cashmore, R. J. ; Clarke, P. E L ; Devenish, R. ; Grossmann, P. ; Hawkes, C. M. ; Lloyd, S. L. ; Salmon, G. L. ; Wyatt, T. R. ; Youngman, C. ; Forden, G. E. ; Hart, J. C. ; Harvey, J. ; Hasell, D. K. ; Proudfoot, J. ; Saxon, D. H. ; Barreiro, F. ; Dittmar, M. ; Holder, M. ; Kreutz, G. ; Neumann, B. ; Duchovni, E. ; Karshon, U. ; Mikenberg, G. ; Mir, R. ; Revel, D. ; Ronat, E. ; Shapira, A. ; Yekutieli, G. ; Baranko, G. ; Barklow, T. ; Caldwell, A. ; Cherney, Michael G. ; Izen, J. M. ; Mermikides, M. ; Rudolph, G. ; Strom, D. ; Takashima, M. ; Venkataramania, H. ; Wicklund, E. ; Wu, Sau Lan ; Zobernig, G. / Measurement of R and search for the top quark in e+e- annihilation between 39.8 and 45.2 GeV. In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1984 ; Vol. 138, No. 5-6. pp. 441-448.
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abstract = "e+e- annihilation into hadrons was studied at CM energies between 39.8 and 45.2 GeV and a search was made for new heavy quarks. No evidence was found for the existence of a narrow state excluding the possible existence of the lowest vector toponium state in this mass range. A search for continuum production of heavy quarks led to lower mass limits for new quarks of 22.0 GeV (eQ = 2 3) and 21.0 GeV (eQ = 1 3). Quarks are found to be pointlike, the corresponding mass parameter being larger than 288 GeV. A fit of the QCD and the electroweak contributions to R=σtot/σμμ yielded sin2θW = 0.30-0.07 +0.23.",
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TY - JOUR

T1 - Measurement of R and search for the top quark in e+e- annihilation between 39.8 and 45.2 GeV

AU - Althoff, M.

AU - Braunschweig, W.

AU - Kirschfink, F. J.

AU - Lübelsmeyer, K.

AU - Martyn, H. U.

AU - Peise, G.

AU - Rimkus, J.

AU - Rosskamp, P.

AU - Sander, H. G.

AU - Schmitz, D.

AU - Siebke, H.

AU - Wallraff, W.

AU - Fischer, H. M.

AU - Hartmann, H.

AU - Hillen, W.

AU - Jocksch, A.

AU - Knop, G.

AU - Köpke, L.

AU - Kolanoski, H.

AU - Kück, H.

AU - Mertens, V.

AU - Wedemeyer, R.

AU - Wollstadt, M.

AU - Eisenberg, Y.

AU - Gather, K.

AU - Hultschig, H.

AU - Joos, P.

AU - Kötz, U.

AU - Kowalski, H.

AU - Ladage, A.

AU - Löhr, B.

AU - Lüke, D.

AU - Mättig, P.

AU - Notz, D.

AU - Nowak, R. J.

AU - Pyrlik, J.

AU - Rushton, M.

AU - Schütte, W.

AU - Trines, D.

AU - Wolf, G.

AU - Xiao, Ch

AU - Fohrmann, R.

AU - Hilger, E.

AU - Kracht, T.

AU - Krasemann, H. L.

AU - Leu, P.

AU - Lohrmann, E.

AU - Pandoulas, D.

AU - Poelz, G.

AU - Pösnecker, K. U.

AU - Wiik, B. H.

AU - Beuselinck, R.

AU - Binnie, D. M.

AU - Campbell, A. J.

AU - Dornan, P. J.

AU - Foster, B.

AU - Garbutt, D. A.

AU - Jenkins, C.

AU - Jones, T. D.

AU - Jones, W. G.

AU - McCardle, J.

AU - Sedgbeer, J. K.

AU - Thomas, J.

AU - Wan Abdullah, W. A T

AU - Bell, K. W.

AU - Bowler, M. G.

AU - Bull, P.

AU - Cashmore, R. J.

AU - Clarke, P. E L

AU - Devenish, R.

AU - Grossmann, P.

AU - Hawkes, C. M.

AU - Lloyd, S. L.

AU - Salmon, G. L.

AU - Wyatt, T. R.

AU - Youngman, C.

AU - Forden, G. E.

AU - Hart, J. C.

AU - Harvey, J.

AU - Hasell, D. K.

AU - Proudfoot, J.

AU - Saxon, D. H.

AU - Barreiro, F.

AU - Dittmar, M.

AU - Holder, M.

AU - Kreutz, G.

AU - Neumann, B.

AU - Duchovni, E.

AU - Karshon, U.

AU - Mikenberg, G.

AU - Mir, R.

AU - Revel, D.

AU - Ronat, E.

AU - Shapira, A.

AU - Yekutieli, G.

AU - Baranko, G.

AU - Barklow, T.

AU - Caldwell, A.

AU - Cherney, Michael G.

AU - Izen, J. M.

AU - Mermikides, M.

AU - Rudolph, G.

AU - Strom, D.

AU - Takashima, M.

AU - Venkataramania, H.

AU - Wicklund, E.

AU - Wu, Sau Lan

AU - Zobernig, G.

PY - 1984/4/26

Y1 - 1984/4/26

N2 - e+e- annihilation into hadrons was studied at CM energies between 39.8 and 45.2 GeV and a search was made for new heavy quarks. No evidence was found for the existence of a narrow state excluding the possible existence of the lowest vector toponium state in this mass range. A search for continuum production of heavy quarks led to lower mass limits for new quarks of 22.0 GeV (eQ = 2 3) and 21.0 GeV (eQ = 1 3). Quarks are found to be pointlike, the corresponding mass parameter being larger than 288 GeV. A fit of the QCD and the electroweak contributions to R=σtot/σμμ yielded sin2θW = 0.30-0.07 +0.23.

AB - e+e- annihilation into hadrons was studied at CM energies between 39.8 and 45.2 GeV and a search was made for new heavy quarks. No evidence was found for the existence of a narrow state excluding the possible existence of the lowest vector toponium state in this mass range. A search for continuum production of heavy quarks led to lower mass limits for new quarks of 22.0 GeV (eQ = 2 3) and 21.0 GeV (eQ = 1 3). Quarks are found to be pointlike, the corresponding mass parameter being larger than 288 GeV. A fit of the QCD and the electroweak contributions to R=σtot/σμμ yielded sin2θW = 0.30-0.07 +0.23.

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U2 - 10.1016/0370-2693(84)91936-1

DO - 10.1016/0370-2693(84)91936-1

M3 - Article

VL - 138

SP - 441

EP - 448

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 - 5-6

ER -

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