Search for charm production in direct decays of the Υ{hooked}(1 S) resonance

H. Albrecht; H. Ehrlichmann; T. Hamacher; A. Krüger; A. Nau; A. Nippe; S. Nowak; M. Reidenbach; M. Schäfer; H. Schröder; H. D. Schulz; M. Walter; R. Wurth; R. D. Appuhn; C. Hast; G. Herrera; H. Kolanoski; A. Lange; A. Lindner; R. Mankel; M. Schieber; T. Siegmund; B. Spaan; H. Thurn; D. Töpfer; A. Walther; D. Wegener; M. Paulini; K. Reim; H. Wegener; R. Mundt; T. Oest; W. Schmidt-Parzefall; W. Funk; J. Stiewe; S. Werner; K. Ehret; A. Hölscher; W. Hofmann; A. Hüpper; S. Khan; K. T. Knöpfle; J. Spengler; D. I. Britton; C. E.K. Charlesworth; K. W. Edwards; E. R.F. Hyatt; H. Kapitza; P. Krieger; D. B. MacFarlane; P. M. Patel; J. D. Prentice; P. R.B. Saull; S. C. Seidel; K. Tzamariudaki; R. G. Van de Water; T. S. Yoon; D. Reßing; M. Schmidtler; M. Schneider; K. R. Schubert; K. Strahl; R. Waldi; S. Weseler; G. Kernel; P. Križan; E. Križnič; T. Podobnik; T. Živko; H. I. Cronström; L. Jönsson; V. Balagura; I. Belyaev; M. Danilov; A. Droutskoy; A. Golutvin; I. Gorelov; G. Kostina; V. Lubimov; P. Murat; P. Pakhlov; F. Ratnikov; S. Semenov; V. Shibaev; V. Soloshenko; I. Tichomirov; Yu Zaitsev

doi:10.1007/BF01558286

Search for charm production in direct decays of the Υ{hooked}(1 S) resonance

H. Albrecht, H. Ehrlichmann, T. Hamacher, A. Krüger, A. Nau, A. Nippe, S. Nowak, M. Reidenbach, M. Schäfer, H. Schröder, H. D. Schulz, M. Walter, R. Wurth, R. D. Appuhn, C. Hast, G. Herrera, H. Kolanoski, A. Lange, A. Lindner, R. MankelM. Schieber, T. Siegmund, B. Spaan, H. Thurn, D. Töpfer, A. Walther, D. Wegener, M. Paulini, K. Reim, H. Wegener, R. Mundt, T. Oest, W. Schmidt-Parzefall, W. Funk, J. Stiewe, S. Werner, K. Ehret, A. Hölscher, W. Hofmann, A. Hüpper, S. Khan, K. T. Knöpfle, J. Spengler, D. I. Britton, C. E.K. Charlesworth, K. W. Edwards, E. R.F. Hyatt, H. Kapitza, P. Krieger, D. B. MacFarlane, P. M. Patel, J. D. Prentice, P. R.B. Saull, S. C. Seidel, K. Tzamariudaki, R. G. Van de Water, T. S. Yoon, D. Reßing, M. Schmidtler, M. Schneider, K. R. Schubert, K. Strahl, R. Waldi, S. Weseler, G. Kernel, P. Križan, E. Križnič, T. Podobnik, T. Živko, H. I. Cronström, L. Jönsson, V. Balagura, I. Belyaev, M. Danilov, A. Droutskoy, A. Golutvin, I. Gorelov, G. Kostina, V. Lubimov, P. Murat, P. Pakhlov, F. Ratnikov, S. Semenov, V. Shibaev, V. Soloshenko, I. Tichomirov, Yu Zaitsev

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Abstract

The production of D^*(2010)⁺ and J/ψ mesons and prompt leptons has been investigated in e⁺e^- interactions at the Ψ(1 S) resonance energy. The data were collected at the storage ring DORIS II at DESY with the ARGUS detector. We obtain upper limits of BR^dir (Υ{hooked} (1 S)→D^*(2010)^±+X)<0.019 (for x_p>0.2) and BR^dir (Υ{hooked}(1 S)→J/ψ+X)<0.68×10^-3, both at the 90% confidence level. From the prompt lepton analysis, a model dependent limit of BR^dir (Υ{hooked}(1 S)→Y_c+X)<0.034 (Y_c denoting a charm-containing particle) is derived.

Original language	English
Pages (from-to)	25-31
Number of pages	7
Journal	Zeitschrift für Physik C Particles and Fields
Volume	55
Issue number	1
DOIs	https://doi.org/10.1007/BF01558286
State	Published - Mar 1992
Externally published	Yes

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10.1007/BF01558286

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Albrecht, H., Ehrlichmann, H., Hamacher, T., Krüger, A., Nau, A., Nippe, A., Nowak, S., Reidenbach, M., Schäfer, M., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Appuhn, R. D., Hast, C., Herrera, G., Kolanoski, H., Lange, A., Lindner, A., ... Zaitsev, Y. (1992). Search for charm production in direct decays of the Υ{hooked}(1 S) resonance. Zeitschrift für Physik C Particles and Fields, 55(1), 25-31. https://doi.org/10.1007/BF01558286

@article{25f7e0275c104fcdad460f5183dd3f1b,

title = "Search for charm production in direct decays of the Υ{hooked}(1 S) resonance",

abstract = "The production of D*(2010)+ and J/ψ mesons and prompt leptons has been investigated in e+e- interactions at the Ψ(1 S) resonance energy. The data were collected at the storage ring DORIS II at DESY with the ARGUS detector. We obtain upper limits of BRdir (Υ{hooked} (1 S)→D*(2010)±+X)<0.019 (for xp>0.2) and BRdir (Υ{hooked}(1 S)→J/ψ+X)<0.68×10-3, both at the 90% confidence level. From the prompt lepton analysis, a model dependent limit of BRdir (Υ{hooked}(1 S)→Yc+X)<0.034 (Yc denoting a charm-containing particle) is derived.",

author = "H. Albrecht and H. Ehrlichmann and T. Hamacher and A. Kr{\"u}ger and A. Nau and A. Nippe and S. Nowak and M. Reidenbach and M. Sch{\"a}fer and H. Schr{\"o}der and Schulz, {H. D.} and M. Walter and R. Wurth and Appuhn, {R. D.} and C. Hast and G. Herrera and H. Kolanoski and A. Lange and A. Lindner and R. Mankel and M. Schieber and T. Siegmund and B. Spaan and H. Thurn and D. T{\"o}pfer and A. Walther and D. Wegener and M. Paulini and K. Reim and H. Wegener and R. Mundt and T. Oest and W. Schmidt-Parzefall and W. Funk and J. Stiewe and S. Werner and K. Ehret and A. H{\"o}lscher and W. Hofmann and A. H{\"u}pper and S. Khan and Kn{\"o}pfle, {K. T.} and J. Spengler and Britton, {D. I.} and Charlesworth, {C. E.K.} and Edwards, {K. W.} and Hyatt, {E. R.F.} and H. Kapitza and P. Krieger and MacFarlane, {D. B.} and Patel, {P. M.} and Prentice, {J. D.} and Saull, {P. R.B.} and Seidel, {S. C.} and K. Tzamariudaki and {Van de Water}, {R. G.} and Yoon, {T. S.} and D. Re{\ss}ing and M. Schmidtler and M. Schneider and Schubert, {K. R.} and K. Strahl and R. Waldi and S. Weseler and G. Kernel and P. Kri{\v z}an and E. Kri{\v z}ni{\v c} and T. Podobnik and T. {\v Z}ivko and Cronstr{\"o}m, {H. I.} and L. J{\"o}nsson and V. Balagura and I. Belyaev and M. Danilov and A. Droutskoy and A. Golutvin and I. Gorelov and G. Kostina and V. Lubimov and P. Murat and P. Pakhlov and F. Ratnikov and S. Semenov and V. Shibaev and V. Soloshenko and I. Tichomirov and Yu Zaitsev",

year = "1992",

month = mar,

doi = "10.1007/BF01558286",

language = "English",

volume = "55",

pages = "25--31",

journal = "Zeitschrift f{\"u}r Physik C Particles and Fields",

issn = "0170-9739",

publisher = "Springer Verlag",

number = "1",

}

Albrecht, H, Ehrlichmann, H, Hamacher, T, Krüger, A, Nau, A, Nippe, A, Nowak, S, Reidenbach, M, Schäfer, M, Schröder, H, Schulz, HD, Walter, M, Wurth, R, Appuhn, RD, Hast, C, Herrera, G, Kolanoski, H, Lange, A, Lindner, A, Mankel, R, Schieber, M, Siegmund, T, Spaan, B, Thurn, H, Töpfer, D, Walther, A, Wegener, D, Paulini, M, Reim, K, Wegener, H, Mundt, R, Oest, T, Schmidt-Parzefall, W, Funk, W, Stiewe, J, Werner, S, Ehret, K, Hölscher, A, Hofmann, W, Hüpper, A, Khan, S, Knöpfle, KT, Spengler, J, Britton, DI, Charlesworth, CEK, Edwards, KW, Hyatt, ERF, Kapitza, H, Krieger, P, MacFarlane, DB, Patel, PM, Prentice, JD, Saull, PRB, Seidel, SC, Tzamariudaki, K, Van de Water, RG, Yoon, TS, Reßing, D, Schmidtler, M, Schneider, M, Schubert, KR, Strahl, K, Waldi, R, Weseler, S, Kernel, G, Križan, P, Križnič, E, Podobnik, T, Živko, T, Cronström, HI, Jönsson, L, Balagura, V, Belyaev, I, Danilov, M, Droutskoy, A, Golutvin, A, Gorelov, I, Kostina, G, Lubimov, V, Murat, P, Pakhlov, P, Ratnikov, F, Semenov, S, Shibaev, V, Soloshenko, V, Tichomirov, I & Zaitsev, Y 1992, 'Search for charm production in direct decays of the Υ{hooked}(1 S) resonance', Zeitschrift für Physik C Particles and Fields, vol. 55, no. 1, pp. 25-31. https://doi.org/10.1007/BF01558286

TY - JOUR

T1 - Search for charm production in direct decays of the Υ{hooked}(1 S) resonance

AU - Albrecht, H.

AU - Ehrlichmann, H.

AU - Hamacher, T.

AU - Krüger, A.

AU - Nau, A.

AU - Nippe, A.

AU - Nowak, S.

AU - Reidenbach, M.

AU - Schäfer, M.

AU - Schröder, H.

AU - Schulz, H. D.

AU - Walter, M.

AU - Wurth, R.

AU - Appuhn, R. D.

AU - Hast, C.

AU - Herrera, G.

AU - Kolanoski, H.

AU - Lange, A.

AU - Lindner, A.

AU - Mankel, R.

AU - Schieber, M.

AU - Siegmund, T.

AU - Spaan, B.

AU - Thurn, H.

AU - Töpfer, D.

AU - Walther, A.

AU - Wegener, D.

AU - Paulini, M.

AU - Reim, K.

AU - Wegener, H.

AU - Mundt, R.

AU - Oest, T.

AU - Schmidt-Parzefall, W.

AU - Funk, W.

AU - Stiewe, J.

AU - Werner, S.

AU - Ehret, K.

AU - Hölscher, A.

AU - Hofmann, W.

AU - Hüpper, A.

AU - Khan, S.

AU - Knöpfle, K. T.

AU - Spengler, J.

AU - Britton, D. I.

AU - Charlesworth, C. E.K.

AU - Edwards, K. W.

AU - Hyatt, E. R.F.

AU - Kapitza, H.

AU - Krieger, P.

AU - MacFarlane, D. B.

AU - Patel, P. M.

AU - Prentice, J. D.

AU - Saull, P. R.B.

AU - Seidel, S. C.

AU - Tzamariudaki, K.

AU - Van de Water, R. G.

AU - Yoon, T. S.

AU - Reßing, D.

AU - Schmidtler, M.

AU - Schneider, M.

AU - Schubert, K. R.

AU - Strahl, K.

AU - Waldi, R.

AU - Weseler, S.

AU - Kernel, G.

AU - Križan, P.

AU - Križnič, E.

AU - Podobnik, T.

AU - Živko, T.

AU - Cronström, H. I.

AU - Jönsson, L.

AU - Balagura, V.

AU - Belyaev, I.

AU - Danilov, M.

AU - Droutskoy, A.

AU - Golutvin, A.

AU - Gorelov, I.

AU - Kostina, G.

AU - Lubimov, V.

AU - Murat, P.

AU - Pakhlov, P.

AU - Ratnikov, F.

AU - Semenov, S.

AU - Shibaev, V.

AU - Soloshenko, V.

AU - Tichomirov, I.

AU - Zaitsev, Yu

PY - 1992/3

Y1 - 1992/3

N2 - The production of D*(2010)+ and J/ψ mesons and prompt leptons has been investigated in e+e- interactions at the Ψ(1 S) resonance energy. The data were collected at the storage ring DORIS II at DESY with the ARGUS detector. We obtain upper limits of BRdir (Υ{hooked} (1 S)→D*(2010)±+X)<0.019 (for xp>0.2) and BRdir (Υ{hooked}(1 S)→J/ψ+X)<0.68×10-3, both at the 90% confidence level. From the prompt lepton analysis, a model dependent limit of BRdir (Υ{hooked}(1 S)→Yc+X)<0.034 (Yc denoting a charm-containing particle) is derived.

AB - The production of D*(2010)+ and J/ψ mesons and prompt leptons has been investigated in e+e- interactions at the Ψ(1 S) resonance energy. The data were collected at the storage ring DORIS II at DESY with the ARGUS detector. We obtain upper limits of BRdir (Υ{hooked} (1 S)→D*(2010)±+X)<0.019 (for xp>0.2) and BRdir (Υ{hooked}(1 S)→J/ψ+X)<0.68×10-3, both at the 90% confidence level. From the prompt lepton analysis, a model dependent limit of BRdir (Υ{hooked}(1 S)→Yc+X)<0.034 (Yc denoting a charm-containing particle) is derived.

UR - http://www.scopus.com/inward/record.url?scp=0002065050&partnerID=8YFLogxK

U2 - 10.1007/BF01558286

DO - 10.1007/BF01558286

M3 - Article

AN - SCOPUS:0002065050

SN - 0170-9739

VL - 55

SP - 25

EP - 31

JO - Zeitschrift für Physik C Particles and Fields

JF - Zeitschrift für Physik C Particles and Fields

IS - 1

ER -

Search for charm production in direct decays of the Υ{hooked}(1 S) resonance

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