Author: "Droutskoy, A." - Searchworks@Jio Institute Digital Library Search Results

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193 results on '"Droutskoy, A."'

1. Measurement of the decay fractions ofD * mesons

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Mankel, R., Nau, A., Nowak, S., Reßing, D., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Hast, C., Kapitza, H., Kolanoski, H., Kosche, A., Lange, A., Lindner, A., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Töpfer, D., Wegener, D., Eckstein, P., Schmidtler, M., Schramm, M., Schubert, K. R., Schwierz, R., Waldi, R., Paulini, M., Reim, K., Wegener, H., Eckmann, R., Kuipers, H., Mai, O., Mundt, R., Oest, T., Reiner, R., Schmidt-Parzefall, W., Stiewe, J., Werner, S., Ehret, K., Hofmann, W., Hüpper, A., Khan, S., Knöpfle, K. T., Spengler, J., Krieger, P., MacFarlane, D. B., Prentice, J. D., Saull, P. R. B., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Frankl, C., Ratz, C., Schneider, M., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Balagura, V., Belyaev, I., Blinov, V., Chechelnitsky, S., Danilov, M., Droutskoy, A., Gershtein, Yu., Golutvin, A., Korolko, I., Kostina, G., Litvintsev, D., Lubimov, V., Pakhlov, P., Semenov, S., Snizhko, A., Tichomirov, I., Undrus, A., Zaitsev, Yu., Zhilich, V., and ARGUS Collaboration
Published: 1995
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2. Kaons in flavour taggedB decays

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Nau, A., Nowak, S., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Hast, C., Kolanoski, H., Kosche, A., Lange, A., Lindner, A., Mankel, R., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Töpfer, D., Wegener, D., Bittner, M., Eckstein, P., Paulini, M. G., Reim, K., Wegener, H., Mundt, R., Oest, T., Reiner, R., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ehret, K., Hofmann, W., Hüpper, A., Khan, S., Knöpfle, K. T., Seeger, M., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Hyatt, E. R. F., Kapitza, H., Krieger, P., MacFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Cronström, H. I., Jönsson, L., Balagura, V., Belyaev, I., Chechelnitsky, S., Danilov, M., Droutskoy, A., Gershtein, Yu., Golutvin, A., Kostina, G., Litvintsev, D., Lubimov, V., Pakhlov, P., Ratnikov, F., Semenov, S., Snizhko, A., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., and ARGUS Collaboration
Published: 1994
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3. Study ofD 0 andD + decays into final states with two or three kaons

Author: Albrecht, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Mankel, R., Nau, A., Nowak, S., Reßing, D., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Hast, C., Kapitza, H., Kolanoski, H., Kosche, A., Lange, A., Lindner, A., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Töpfer, D., Wegener, D., Eckstein, P., Schmidtler, M., Schramm, M., Schubert, K. R., Schwierz, R., Waldi, R., Reim, K., Wegener, H., Eckmann, R., Kuipers, H., Mai, O., Mundt, R., Oest, T., Reiner, R., Schmidt-Parzefall, W., Stiewe, J., Werner, S., Ehret, K., Hofmann, W., Hüpper, A., Knöpfle, K. T., Spengler, J., Krieger, P., MacFarlane, D. B., Prentice, J. D., Saull, P. R. B., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Frankl, C., Schneider, M., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Balagura, V., Barsuk, S., Belyaev, I., Chechelnitsky, S., Chistov, R., Danilov, M., Droutskoy, A., Gershtein, Yu., Golutvin, A., Korolko, I., Kostina, G., Litvintsev, D., Lubimov, V., Pakhlov, P., Semenov, S., Snizhko, A., Tichomirov, I., Zaitsev, Yu., and ARGUS Collaboration
Published: 1994
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4. Inclusive production ofK *(892),ρ 0, andω(783) mesons in theϒ energy region

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Nau, A., Nowak, S., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Hast, C., Kapitza, H., Kolanoski, H., Kosche, A., Lange, A., Lindner, A., Mankel, R., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Töpfer, D., Wegener, D., Bittner, M., Eckstein, P., Paulini, M., Reim, K., Wegener, H., Eckmann, R., Mundt, R., Oest, T., Reiner, R., Schmidt-Parzefall, W., Stiewe, J., Werner, S., Ehret, K., Hofmann, W., Hüpper, A., Khan, S., Knöpfle, K. T., Seeger, M., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Hvatt, E. R. F., Krieger, P., MacFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Balagura, V., Belyaev, I., Chechelnitsky, S., Danilov, M., Droutskoy, A., Gershtein, Yu., Golutvin, A., Korolko, I., Kostina, G., Litvintsev, D., Lubimov, V., Pakhlov, P., Semenov, S., Snizhko, A., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., and ARGUS Collaboration
Published: 1994
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5. Investigation of the decays $$\bar B \to D^{**} \ell ^ - \bar v$$

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Nau, A., Nowak, S., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Appuhn, R. D., Hast, C., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Töpfer, D., Walther, A., Wegener, D., Bittner, M., Eckstein, P., Paulini, M., Reim, K., Wegener, H., Mundt, R., Oest, T., Reiner, R., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ehret, K., Hofmann, W., Hüpper, A., Khan, S., Knöpfle, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Hyatt, E. R. F., Kapitza, H., Krieger, P., MacFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Tzamariudaki, K., Van de Water, R. G., Yoon, T., Reßing, D., Schmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Balagura, V., Belyaev, I., Chechelnitsky, S., Danilov, M., Droutskoy, A., Gershtein, Yu., Golutvin, A., Gorelov, I., Kostina, G., Lubimov, V., Pakhlov, P., Ratnikov, F., Semenov, S., Shibaev, V., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., and ARGUS Collaboration
Published: 1993
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6. Inclusive production of charged pions, kaons and protons in υ(4S) decays

Author: Albrecht, H., Cronström, H. I., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Nau, A., Nowak, S., Reidenbach, M., Reiner, R., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Appuhn, R. D., Hast, C., 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, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Hyatt, E. R. F., Kapitza, H., Krieger, P., MacFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Seidel, S. C., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., 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, Yu., and ARGUS Collaboration
Published: 1993
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7. Inclusive production of η′ (958) andf o (975) mesons in the υ energy region

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Nau, A., Nowack, S., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Appuhn, R. D., Hast, C., Kolanoski, H., Kosche, A., Lange, A., Lindner, A., Mankel, R., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Töpfer, D., Walther, A., Wegener, D., Zimmermann, A., Bittner, M., Eckstein, P., Paulini, M., Reim, K., Wegener, H., Mundt, R., Oest, T., Reiner, R., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ehret, K., Hofmann, W., Hüpper, A., Khan, S., Knöpfle, K. T., Seeger, M., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Hyatt, E. R. F., Kapitza, H., Krieger, P., MacFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Balagura, V., Belyaev, I., Chechelnitsky, S., Danilov, M., Droutskoy, A., Gershtein, Yu., Golutvin, A., Gorelov, I., Kostina, G., Lubimov, V., Pakhlov, P., Ratnikov, F., Semenov, S., Shibaev, V., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., and ARGUS Collaboration
Published: 1993
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8. Analysis of the decayτ - →π - π - π + v τ and determination of thea 1(1260) resonance parameters

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Nau, A., Nowak, S., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Appuhn, R. D., Hast, C., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Töpfer, D., Walther, A., Wegener, D., Bittner, M., Eckstein, P., Paulini, M., Reim, K., Wegener, H., Mundt, R., Oest, T., Reimer, R., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ehret, K., Hofmann, W., Hüpper, A., Khan, S., Knöpfle, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Hyatt, E. R. F., Kapitza, H., Krieger, P., MacFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Balagura, V., Belyaev, I., Chechelnitsky, S., Danilov, M., Droutskoy, A., Gershtein, Yu., Golutvin, A., Gorelov, I., Kostina, G., Lubimov, V., Pakhlov, P., Ratnikov, F., Semenov, S., Shibaev, V., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., and ARGUS Collaboration
Published: 1993
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9. Search for rareB meson decays intoD s + mesons

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Nau, A., Nowak, S., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Appuhn, R. D., Hast, C., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Töpfer, D., Walther, A., Wegener, D., Bittner, M., Eckstein, P., Paulini, M. G., Reim, K., Wegener, H., Mundt, R., Oest, T., Reiner, R., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ehret, K., Hofmann, W., Hüpper, A., Khan, S., Knöpfle, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Hyatt, E. R. F., Kapitza, H., Krieger, P., MacFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Balagura, V., Belyaev, I., Chechelnitsky, S., Danilov, M., Droutskoy, A., Gershtein, Yu., Golutvin, A., Gorelov, I., Kostina, G., Lubimov, V., Pakhlov, P., Ratnikov, F., Semenov, S., Shibaev, V., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., and ARGUS Collaboration
Published: 1993
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10. Measurement of the decayτ − →ρ − ν τ

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Nau, A., Nowak, S., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Appuhn, R. D., Hast, C., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Topfer, D., Walther, A., Wegener, D., Paulini, M., Reim, K., Wegener, H., Mundt, R., Oest, T., Reiner, R., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ehret, K., Hofmann, W., Hüpper, A., Khan, S., Knöpfle, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Hyatt, E. R. F., Kapitza, H., Krieger, P., McFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Cronström, H. I., 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, Yu., and ARGUS Collaboration
Published: 1992
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11. A new determination of theB 0 $$\bar B^0 $$ oscillation strength

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Krüger, A., Nau, A., Nippe, A., Reidenbach, M., Schäfer, M., Schröder, H., Schulz, H. D., Sefkow, F., Wurth, R., Appuhn, R. D., 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., Volland, U., Wegener, H., Mundt, R., Oest, T., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ball, S., Gabriel, J. C., Geyer, C., Hölscher, A., Hofmann, W., Holzer, B., Khan, S., Knöpfle, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Kapitza, H., Krieger, P., Kutschke, R., MacFarlane, D. B., Orr, R. S., Patel, P. M., Prentice, J. D., Seidel, S. C., Tsipolitis, G., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schael, S., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Boŝtjanĉiĉ, B., Kernel, G., Križan, P., Križniĉ, E., Podobnik, T., Živko, T., Cronström, H. I., Jönsson, L., Balagura, V., Danilov, M., Droutskoy, A., Fominykh, B., Golutvin, A., Gorelov, I., Ratnikov, F., Lubimov, V., Pakhlov, P., Rostovtsev, A., Semenov, A., Semenov, S., Shevchenko, V., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., Childers, R., Darden, C. W., and ARGUS Collaboration
Published: 1992
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12. Measurement of exclusive one-prong and inclusive three-prong branching ratios of the τ lepton

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Krüger, A., Nau, A., Nippe, A., Reidenbach, M., Schäfer, M., Schröder, H., Schulz, H. D., Sefkow, F., Wurth, R., Appuhn, R. D., 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., Volland, U., Wegener, H., Mundt, R., Oest, T., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ball, S., Gabriel, J. C., Geyer, C., Hölscher, A., Hofmann, W., Holzer, B., Khan, S., Knöpfle, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Kapitza, H., Krieger, P., Kutschke, R., MacFarlane, D. B., Orr, R. S., Patel, P. M., Prentice, J. D., Seider, S. C., Tsipolitis, G., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schael, S., Schubert, K. B., Strahl, K., Waldi, R., Weseler, S., Boštjančič, B., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Cronström, H. I., Jönsson, L., Balagura, V., Danilov, M., Droutskoy, A., Fominykh, B., Golutvin, A., Gorelov, I., Ratnikov, F., Lubimov, V., Pakhlov, P., Rostovtsev, A., Semenov, A., Semenov, S., Shevchenko, V., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., Childers, R., Darden, C. W., and ARGUS Collaboration
Published: 1992
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13. The measurement ofD s+ andD + meson decays into $$K^ + \bar K^0 $$

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Krüger, A., Nau, A., Nippe, A., Reidenbach, M., Schäfer, M., Schröder, H., Schulz, H. D., Sefkow, F., Wurth, R., Appuhn, R. D., 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., Volland, U., Wegener, H., Mundt, R., Oest, T., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ball, S., Gabriel, J. C., Geyer, C., Hölscher, A., Hofmann, W., Holzer, B., Khan, S., Knöpffe, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Kapitza, H., Krieger, P., Kutschke, R., MacFarlane, D. B., Orr, R. S., Patel, P. M., Prentice, J. D., Seidel, S. C., Tsipolitis, G., Tzamariúdaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schael, S., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Boštjančič, B., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Cronström, H. I., Jönsson, L., Balagura, V., Danilov, M., Droutskoy, A., Fominykh, B., Golutvin, A., Goreloy, I., Ratnikov, F., Lubimov, V., Pakhlov, P., Rostovtsev, A., Semenov, A., Semenov, S., Shevchenko, V., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., Childers, R., Darden, C. W., and ARGUS Collaboration
Published: 1992
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14. Search for neutrinoless τ decays

Author: 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., 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, K. T., Spengler, J., Britton, D. L., Charlesworth, C. E. K., Edwards, K. W., Hyatt, E. R. F., Kapitza, H., Krieger, P., MacFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Seidel, S. C., Tzamariudaki, K., Van de Water, R. G., Yoon, T. S., Reßing, D., Schmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, Podobnik, T., Živko, T., Cronström, H. I., 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, Yu., and ARGUS Collaboration
Published: 1992
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15. Search for charm production in direct decays of the ϒ(1S) resonance

Author: 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., 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, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Hyatt, E. R. F., Kapitza, H., Krieger, P., MacFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Seidel, S. C., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Cronström, H. I., 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, Yu., and ARGUS Collaboration
Published: 1992
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16. Measurement of inclusive baryon production inB meson decays

Author: Albrecht, H., Cronström, H. I., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Nau, A., Nowak, S., Reidenbach, M., Reiner, R., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Appuhn, R. D., Hast, C., 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, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Hyatt, E. R. F., Kapitza, H., Krieger, P., MacFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Seidel, S. C., Tsamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Śchmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Zivko, T., 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, Yu., and ARGUS Collaboration
Published: 1992
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17. Measurement ofR and determination of the charged-particle multiplicity ine + e − annihilation at 13-113-113-1around 10 GeV

Author: Allrecht, H., Ehrlichmann, H., Hamacher, T., Krüger, A., Nau, A., Nippe, A., Reidenbach, M., Schäfer, M., Schröder, H., Schulz, H. D., Sefkow, F., Wurth, R., Appuhn, R. D., Hast, C., Herrera, G., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., Schieber, M., Siegmund, T., Spaan, B., Thurn, H., Topfer, D., Walther, A., Wegener, D., Paulini, M., Reim, K., Volland, U., Wegener, H., Hapke, M., Mundt, R., Oest, T., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ball, S., Gabriel, J. C., Geyer, C., Hölscher, A., Hofmann, W., Holzer, B., Khan, S., Knöpfle, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Kapitza, H., Krieger, P., Kutschke, R., MacFarlane, D. B., Orr, R. S., Patel, P. M., Prentice, J. D., Seidel, S. C., Tsipolitis, Y., Tzamariudaki, E., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schael, S., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Boštjančič, B., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Cronström, H. I., Jönsson, L., Balagura, V., Danilov, M., Droutskoy, A., Fominykh, B., Golutvin, A., Gorelov, I., Ratnikov, F., Lubimov, V., Rostovtsev, A., Semenov, A., Semenov, S., Shevchenko, V., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., Childers, R., Darden, C. W., and ARGUS Collaboration
Published: 1992
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18. New results onD 0 decays

Author: Albrecht, H., Cronström, H. I., Ehrlichmann, H., Hamacher, T., Hofmann, R. P., Kirchhoff, T., Nau, A., Nowak, S., Reidenbach, M., Reiner, R., Schröder, H., Schulz, H. D., Walter, M., Wurth, R., Appuhn, R. D., Hast, C., 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, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Hyatt, E. R. F., Kapitza, H., Krieger, P., MacFarlane, D. B., Patel, P. M., Prentice, J. D., Saull, P. R. B., Seidel, S. C., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schmidtler, M., Schneider, M., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., 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, A., Semenov, S., Shibaev, V., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., and ARGUS Collaboration
Published: 1992
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19. Production ofD S + mesons inB decays and determination of $$f_{D_S } $$

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Krüger, A., Nau, A., Nippe, A., Reidenbach, M., Schäfer, M., Schröder, H., Schulz, H. D., Sefkow, F., Wurth, R., Appuhn, R. D., 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. G., Reim, K., Volland, U., Wegener, H., Mundt, R., Oest, T., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ball, S., Gabriel, J. C., Geyer, C., Hölscher, A., Hofmann, W., Holzer, B., Khan, S., Knöpfle, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Kapitza, H., Krieger, P., Kutschke, R., MacFarlane, D. B., Orr, R. S., Patel, P. M., Prentice, J. D., Seidel, S. C., Tspolitis, G., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Reßing, D., Schael, S., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Bostjančič, B., Kernel, G., Križan, P., Križnič, E., Podobnik, T., Živko, T., Cronström, H. I., Jönsson, L., Balagura, V., Danilov, M., Droutskoy, A., Fominykh, B., Golutvin, A., Gorelov, I., Ratnikov, F., Lubimov, V., Pakhlov, P., Rostovtsev, A., Semenov, A., Semenov, S., Shevchenko, V., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., Childers, R., Darden, C. W., and ARGUS Collaboration
Published: 1992
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20. Study ofpp and ΛΛ production ine + e − annihilation at 10 GeV center of mass energy

Author: Albrecht, H., Ehrlichmann, H., Gläser, R., Harder, G., Krüger, A., Nau, A., Nilsson, A. W., Nippe, A., Oest, T., Reidenbach, M., Schäfer, M., Schmidt-Parzefall, W., Schröder, H., Schulz, H. D., Sefkow, F., Wurth, R., Appuhn, R. D., Drescher, A., Hast, C., Herrera, G., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., Scheck, H., Schieber, M., Schweda, G., Spaan, B., Walther, A., Wegener, D., Paulini, M., Reim, K., Volland, U., Wegener, H., Funk, W., Stiewe, J., Werner, S., Ball, S., Gabriel, J. C., Geyer, C., Hölscher, A., Hofmann, W., Holzer, B., Khan, S., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Kapitza, H., Krieger, P., Kutschke, R., MacFarlane, D. B., McLean, K. W., Orr, R. S., Parsons, J. A., Patel, P. M., Prentice, J. D., Seidel, S. C., Swain, J. D., Tsipolitis, G., Tzamariudaki, K., Yoon, T. -S., Ruf, T., Schael, S., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Boštjančič, B., Kernel, G., Križan, P., Križnič, E., Živko, T., Cronström, H. I., Jönsson, L., Babaev, A., Danilov, M., Droutskoy, A., Fominykh, B., Golutvin, A., Gorelov, I., Ratnikov, F., Lubimov, V., Rostovtsev, A., Semenov, A., Semenov, S., Shevchenko, V., Soloshenko, V., Tchistilin, V., Tichomirov, I., Zaitsev, Yu., Childers, R., Darden, C. W., and ARGUS Collaboration
Published: 1991
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21. Inclusive production ofD 0,D + andD *(2010)+ mesons inB decays and nonresonante + e − annihilation at 10.6 GeV

Author: Albrecht, H., Ehrlichmann, H., Hamacher, T., Harder, G., Krüger, A., Nau, A., Nippe, A., Reidenbach, M., Schäfer, M., Schröder, H., Schulz, H. D., Sefkow, F., Wurth, R., Appuhn, R. D., Hast, C., Herrera, G., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., Schieber, M., Schweda, G., Siegmund, T., Spaan, B., Thurn, H., Walther, A., Wegener, D., Paulini, M., Reim, K., Volland, U., Wegener, H., Mundt, R., Oest, T., Schmidt-Parzefall, W., Funk, W., Stiewe, J., Werner, S., Ball, S., Gabriel, J. C., Geyer, C., Hölscher, A., Hofmann, W., Holzer, B., Khan, S., Knöpfle, K. T., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Kapitza, H., Krieger, P., Kutschke, R., MacFarlane, D. B., Orr, R. S., Patel, P. M., Prentice, J. D., Seidel, S. C., Tsipolitis, G., Tzamariudaki, K., Van de Water, R. G., Yoon, T. -S., Ressing, D., Schael, S., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Boštjančič, B., Kernel, G., Križan, P., Križnič, E., Živko, T., Cronström, H. I., Jönsson, L., Babaev, A., Balagura, V., Danilov, M., Droutskoy, A., Fominykh, B., Golutvin, A., Gorelov, I., Ratnikov, F., Lubimov, V., Rostovtsev, A., Semenov, A., Semenov, S., Shevchenko, V., Soloshenko, V., Tichomirov, I., Zaitsev, Yu., Childers, R., Darden, C. W., and ARGUS Collaboration
Published: 1991
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22. Exclusive hadronic decays ofB mesons

Author: Albrecht, H., Ehrlichmann, H., Harder, G., Krüger, A., Nau, A., Nilsson, A. W., Nippe, A., Oest, T., Reidenbach, M., Schäfer, M., Schmidt-Parzefall, W., Schröder, H., Schulz, H. D., Sefkow, F., Wurth, R., Appuhn, R. D., Drescher, A., Hast, C., Herrera, G., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., Scheck, H., Schieber, M., Schweda, G., Spaan, B., Walther, A., Wegener, D., Paulini, M., Reim, K., Volland, U., Wegener, H., Funk, W., Stiewe, J., Werner, S., Ball, S., Gabriel, J. C., Geyer, C., Hölscher, A., Hofmann, W., Holzer, B., Khan, S., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Kapitza, H., Krieger, P., Kutschke, R., MacFarlane, D. B., McLean, K. W., Orr, R. S., Parsons, J. A., Patel, P. M., Prentice, J. D., Seidel, S. C., Tsipolitis, G., Tzamariudaki, K., Yoon, T. -S., Ruf, T., Schael, S., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Boštjančič, B., Kernel, G., Križan, P., Križnič, E., Živko, T., Cronström, H. I., Jönsson, L., Babaev, A., Danilov, M., Droutskoy, A., Fominykh, B., Golutvin, A., Gorelov, I., Ratnikov, F., Lubimov, V., Rostovtsev, A., Semenov, A., Semenov, S., Shevchenko, V., Soloshenko, V., Tchistilin, V., Tichomirov, I., Zaitsev, Yu., Childers, R., Darden, C. W., and ARGUS Collaboration
Published: 1990
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23. Measurement ofK + K − production in γγ collisions

Author: Albrecht, H., Ehrlichmann, H., Harder, G., Krüger, A., Nau, A., Nilsson, A. W., Nippe, A., Oest, T., Reidenbach, M., Schäfer, M., Schmidt-Parzefall, W., Schröder, H., Schulz, H. D., Sefkow, F., Wurth, R., Appuhn, R. D., Drescher, A., Hast, C., Herrera, G., Kolanoski, H., Lange, A., Lindner, A., Mankel, R., Scheck, H., Schieber, M., Schweda, G., Spaan, B., Walther, A., Wegener, D., Paulini, M., Reim, K., Volland, U., Wegener, H., Funk, W., Stiewe, J., Werner, S., Ball, S., Gabriel, J. C., Geyer, C., Hölscher, A., Hofmann, W., Holzer, B., Khan, S., Spengler, J., Britton, D. I., Charlesworth, C. E. K., Edwards, K. W., Kapitza, H., Krieger, P., Kutschke, R., MacFarlane, D. B., McLean, K. W., Orr, R. S., Parsons, J. A., Patel, P. M., Prentice, J. D., Seidel, S. C., Tsipolitis, G., Tzariudaki, K., Yoon, T. -S., Ruf, T., Schael, S., Schubert, K. R., Strahl, K., Waldi, R., Weseler, S., Boštjančič, B., Kernel, G., Križan, P., Križnič, E., Živko, T., Cronström, H. I., Jönsson, L., Babaev, A., Danilov, M., Droutskoy, A., Fominykh, B., Golutvin, A., Gorelov, I., Ratnikov, F., Lubimov, V., Rostovtsev, A., Semenov, A., Semenov, S., Shevchenko, V., Soloshenko, V., Tchistilin, V., Tichomirov, I., Zaitsev, Yu., Childers, R., Darden, C. W., and ARGUS Collaboration
Published: 1990
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24. Measurement of the decay fractions ofD * mesons

Author: A. Hüpper, T. Siegmund, V. Lubimov, J. D. Prentice, C. Frankl, R. Waldi, D. O. Litvintsev, Sebastian Nowak, D. Wegener, C. Hast, A. Lange, O. Mai, B. Spaan, H. Kapitza, I. Tichomirov, M. Schramm, Ivan Belyaev, G. Kostina, Manfred Paulini, I. Korolko, R. Schwierz, D. B. MacFarlane, P. Križan, Alexander Undrus, A. Golutvin, Mikhail Danilov, D. Töpfer, Michael Schneider, A. Kosche, Yuri Gershtein, A. Droutskoy, Klaus R. Schubert, K. Tzamariudaki, Vladimir Blinov, Peter Krieger, Werner Hofmann, H. Albrecht, R. Mankel, R. Wurth, R. Reiner, A. Snizhko, M. Schieber, R. Mundt, T. S. Yoon, P. Eckstein, Thomas Hamacher, P. R. B. Saull, R. P. Hofmann, H. Thurn, R. Eckmann, Yu. Zaitsev, S. Werner, E. Križnič, S. Chechelnitsky, T. Kirchhoff, R. G. Van de Water, M. Walter, P. Pakhlov, S. Khan, J. Stiewe, K. Ehret, K. T. Knöpfle, D. Reßing, H. Schröder, J. Spengler, G. Kernel, Holger Schulz, T. Živko, V. Zhilich, W. Schmidt-Parzefall, H. Kuipers, A. Nau, Sergey Semenov, Hermann Kolanoski, H. Wegener, T. Podobnik, A. Lindner, C. Ratz, T. Oest, K. Reim, S. Weseler, H. Ehrlichmann, M. Schmidtler, and Vladislav Balagura
Subjects: Physics, Argus, Nuclear magnetic resonance, Physics and Astronomy (miscellaneous), Meson, Electron–positron annihilation, Analytical chemistry, Engineering (miscellaneous), computer, computer.programming_language
Abstract: Using the ARGUS detector at the DORIS II electron-positron storage ring at DESY, we have measured BR(D*+→D0π+)=(68.8±2.4±1.3)%, BR(D*+→D+π0)=(31.2±1.1±0.8)%, BR(D*+→D+γ)
Published: 1995

25. The first measurement of the Michel parameter η in τ decays

Author: Mikhail Danilov, Ivan Belyaev, G. Kostina, Klaus R. Schubert, T. S. Yoon, R. Schwierz, S. Weseler, A. Nau, Sergey Semenov, D. O. Litvintsev, R. Reiner, A. Kosche, Yuri Gershtein, B. Spaan, Hermann Kolanoski, D. Töpfer, I. Korolko, P. Pakhlov, P. Eckstein, H. Schröder, R. P. Hofmann, P. R.B. Saull, V. Lubimov, T. Siegmund, Werner Hofmann, Sebastian Nowak, D. Wegener, M. Schmidtler, R. G. Van de Water, I. Tichomirov, J. Stiewe, H. Wegener, K. T. Knöpfle, S. Chechelnitsky, R. Mundt, D. Reßing, P. Krieger, K. Ehret, A. Snizhko, C. Hast, H. Thurn, T. Podobnik, J. Spengler, Michael Schneider, E. Križnič, H. Kapitza, A. Hüpper, D. B. MacFarlane, Holger Schulz, K. Reim, J. D. Prentice, R. Waldi, Axel Lindner, T. Živko, A. Droutskoy, G. Kernel, A. Lange, C. Frankl, M. Walter, T. Oest, O. Mai, M. Schieber, R. Eckmann, Thomas Hamacher, Yu. Zaitsev, S. Werner, K. Tzamariudaki, P. Križan, A. Golutvin, W. Schmidt-Parzefall, Vladislav Balagura, H. Kuipers, T. Kirchhoff, H. Albrecht, R. Mankel, and R. Wurth
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Argus, Electron–positron annihilation, Hadron, DESY, Spectral line, Vertex (geometry), Nuclear physics, High Energy Physics::Experiment, computer, Storage ring, computer.programming_language, Lepton
Abstract: Using the ARGUS detector at the e+e - storage ring DORIS II at DESY, we have studied lepton energy spectra in ~- decays. We present a "pseudo-rest-frame" technique in which the second r in the event, decaying into a heavy hadronic system, is used as reference. This method allows for the first measurement of the Michel Parameter 7/in ~- decays. We also determine the Michel Parameter p in 7" --~ e~u decays with a precision comparable to the present world average. The measured values of the parameters p = 0.735 4- 0.036 4- 0.020 and r 1 = 0.03 4- 0.18 4- 0.12 are in good agreement with standard V-A coupling at the ~--~,-W vertex.
Published: 1995

26. Evidence for W-exchange in charmed baryon decays

Author: S. Werner, D. O. Litvintsev, H. Schröder, Vladislav Balagura, B. Spaan, M. Walter, H. Wegener, Klaus R. Schubert, P. Krieger, T. Podobnik, I. Tichomirov, V. Lubimov, R. Waldi, M. Schieber, R. Mundt, I. Korolko, G. Kostina, H. Albrecht, R. Mankel, R. Wurth, P. R. B. Saull, Sebastian Nowak, D. Wegener, P. Križan, A. Golutvin, P. Eckstein, H. Thurn, Axel Lindner, Thomas Hamacher, S. Weseler, R. Schwierz, R. Reiner, Sally Seidel, H. Kapitza, A. Hüpper, T. Oest, Ivan Belyaev, Holger Schulz, J. D. Prentice, E. Križnič, A. Nau, Sergey Semenov, J. Stiewe, W. Schmidt-Parzefall, A. Snizhko, C. Frankl, R. P. Hofmann, S. Chechelnitsky, Hermann Kolanoski, K. Ehret, M. Schmidtler, H. Kuipers, C. E. K. Charlesworth, D. Töpfer, K. T. Knöpfle, T. Živko, T. Kirchhoff, D. B. Macfarlane, Mikhail Danilov, U. Becker, A. Droutskoy, D. Reßing, P. Pakhlov, T. Siegmund, J. Spengler, A. Kosche, A. Lange, G. Kernel, P. Eckmanm, K. Reim, O. Mai, Werner Hofmann, C. Hast, Michael Schneider, Yu. Zaitsev, Yu. Gershtein, T. S. Yoon, R. G. Van de Water, and K. Tzamariudaki
Subjects: Nuclear physics, Physics, Baryon, Nuclear and High Energy Physics, Argus, Particle physics, Branching fraction, Electron–positron annihilation, Mass spectrum, DESY, computer, computer.programming_language
Abstract: Using the detector ARGUS at the e+e− storage ring DORIS II at DESY, we have observed the decays Λc+ → Ξ−K+π+ and Λc+ → Ξ∗0K+ and obtained evidence for the decay Ξc0 → ΛKs0. All three of these decays are of interest as they provide information about W-exchange processes. The products of cross sections and branching ratios for Λc+ → Ξ−K+π+ and Λc+ → Ξ∗0K+ are (1.7±0.3±0.3) pb and (0.6±0.2±0.1) pb, respectively, which implies that (35±17) % of the Ξ−K+π+ final state is generated through a two-body decay via intermediate W-exchange. The product of production cross section and branching ratio for Ξc0 → Λ Ks0 is (2.1 ± 1.0 ± 0.6) pb.
Published: 1995

27. Measurement of the polarization in the decay

Author: A. Snizhko, Holger Schulz, W. Schmidt-Parzefall, H. Kapitza, T. Živko, Ivan Belyaev, K. Tzamariudaki, H. Kuipers, R. Mundt, D. Töpfer, Yu. Gershtein, S. Weseler, R. G. Van de Water, Mikhail Danilov, L. Gershtein, H. Thurn, J. Stiewe, M. Schieber, Sebastian Nowak, T. Siegmund, R. Waldi, A. Droutskoy, D. Wegener, I. Korolko, E. Križnič, A. Kosche, G. Kostina, P. Pakhlov, M. Schramm, A. Lange, T. Kirchhoff, D. B. Macfarlane, Werner Hofmann, A. Hüpper, K. Reim, H. Wegener, T. Podobnik, R. Reiner, O. Mai, Vladislav Balagura, T. S. Yoon, K. T. Knöpfle, Axel Lindner, S. Barsuk, C. Hast, Michael Schneider, R. Chistov, I. Tichomirov, Klaus R. Schubert, D. Reβing, A. Nau, Sergey Semenov, H. Albrecht, R. Mankel, Hermann Kolanoski, J. Spengler, R. Wurth, T. Oest, P. R. B. Saull, P. Križan, A. Golutvin, M. Schmidtler, G. Kernel, Thomas Hamacher, K. Ehret, R. Schwierz, D. O. Litvintsev, B. Spaan, P. Eckstein, H. Schröder, M. Walter, R. P. Hofmann, P. Krieger, J. D. Prentice, C. Frankl, S. Werner, R. Eckmann, and Yu. Zaitsev
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Argus, Particle physics, Electron–positron annihilation, CP violation, Polarization (waves), computer, Storage ring, computer.programming_language
Abstract: Polarization in the exclusive decay B → J/ψK ∗ was measured using the ARGUS detector at the e+e− storage ring DORIS II. The ratio of the transverse to the total decay width was found to be ΓT/Γ = 0.03±0.16±0.15. This measurement demonstrates that the B 0 → J/ψK ∗0 decay channel can be effectively used for CP violation studies.
Published: 1994

28. Measurement of the absolute branching fractions for D0 decays into

Author: Sebastian Nowak, D. Wegener, M. Walter, R. Schwierz, V. Lubimov, E. Gershtein, M. Schieber, M. Schmidtler, T. Oest, W. Schmidt-Parzefall, I. Korolko, G. Kernel, Klaus R. Schubert, R. Eckmann, Yu. Zaitsev, H. Schröder, H. Kuipers, H. Wegener, C. Hast, S. Werner, T. Kirchhoff, R. G. Van de Water, T. Podobnik, A. Lange, S. Barsuk, G. Kostina, A. Lindner, R. Waldi, T. Siegmund, D. O. Litvintsev, O. Mai, Michael Schneider, Vladislav Balagura, Mikhail Danilov, John D. Spengler, T. S. Yoon, B. Spaan, Thomas Hamacher, H. Albrecht, R. Reiner, R. Mankel, R. Wurth, P. Pakhlov, K. T. Knöpfle, P. R. B. Saull, H. Kapitza, P. Eckstein, K. Ehret, R. P. Hofmann, M. Schram, Ivan Belyaev, A. Kosche, D. Töpfer, A. Droutskoy, Werner Hofmann, I. Tichomirov, Holger Schulz, A. Nau, Sergey Semenov, Hermann Kolanoski, A. Hüpper, T. Živko, K. Tzamariudaki, R. Mundt, A. Snizhko, H. Thurn, J. Stiewe, D. Reβing, K. Reim, Yu. Gershtein, S. Weseler, P. Krieger, J. D. Prentice, C. Frankl, E. Križnič, D. B. Macfarlane, P. Križan, and A. Golutvin
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Argus, Crystallography, Angular distribution, Meson, Electron–positron annihilation, Branching (polymer chemistry), computer, computer.programming_language
Abstract: Using the ARGUS detector at the e+ e− storage ring DORIS II we have measured the absolute branching ratios of the D0 meson, Br(D0→K− π+)=(3.41±0.12±0.28)%, Br(D0→K− π+ π+ π−)=(6.80± 0.27±0.57)%, and Br (D 0 → K 0 π + π − )=(5.03±0.39±0.49)% .
Published: 1994

29. Determination of the structure of τ decays in the reaction and a precision measurement of the τ-neutrino helicity

Author: I. Tichomirov, A. Lange, Ivan Belyaev, T. Oest, O. Mai, E. Križnič, Vladislav Balagura, S. Weseler, T. Kirchhoff, R. Mundt, Sebastian Nowak, D. Wegener, D. O. Litvintsev, A. Snizhko, H. Thurn, Mikhail Danilov, D. Töpfer, T. S. Yoon, B. Spaan, I. Korolko, J. D. Prentice, Axel Lindner, V. Lubimov, A. Kosche, Yuri Gershtein, J. Stiewe, M. Schramm, S. Werner, P. Pakhlov, H. Wegener, W. Schmidt-Parzefall, M. Schmidtler, D. Reßing, C. Hast, Michael Schneider, D. B. MacFarlane, R. Waldi, T. Podobnik, R. P. Hofmann, P. R.B. Saull, Werner Hofmann, A. Hüpper, Thomas Hamacher, H. Kapitza, M. Walter, P. Krieger, H. Albrecht, R. Mankel, A. Droutskoy, P. Križan, A. Golutvin, R. Wurth, Holger Schulz, C. Frankl, R. Eckmann, Yu. Zaitsev, P. Eckstein, T. Živko, H. Kuipers, R. Schwierz, H. Schröder, T. Siegmund, K. Reim, A. Nau, Sergey Semenov, Hermann Kolanoski, S. Chechelnitsky, K. Ehret, G. Kostina, R. Reiner, M. Schieber, K. Tzamariudaki, R. G. Van de Water, K. R. Schubert, J. Spengler, G. Kernel, and K. T. Knöpfle
Subjects: Physics, Pseudoscalar, Nuclear and High Energy Physics, Particle physics, Absolute value, Neutrino, Helicity, Pseudovector, Standard Model, Spin-½, Lepton
Abstract: Using the ARGUS detector at the DORIS II storage ring we have investigated the Lorentz structure of the electroweak interaction in semi-hadronic τ decays. Spin correlations in the process e + e − → τ + τ − → v τ π + π 0 v τ π − π 0 are exploited for a measurement of the normalized product of the vector ( g V ) and axial vector ( g A ) couplings of the τ lepton, γin AV = 2 Re {g A g V ∗ } (|g V | 2 ) . The correlations are sensitive to the product of the couplings in both τ decays: γ AV 2 = γ AV (τ − → ν τ W − ) AV = −h(v τ )h( v τ ) . The measured value, γ AV 2 = 1.044±0.057±0.060, determines the relative sign of the neutrino helicities. Assuming CP invariance, the absolute value | γ AV | = 1.022±0.028±0.030 was found to be incellent agreement with the Standard Model. The contribution of scalar ( g s ) or pseudoscalar ( g P ) couplings was also investigated. No evidence for a scalar-like coupling was found.
Published: 1994

30. Determination of the radiative decay width of the η meson

Author: I. Korolko, Klaus R. Schubert, K. Reim, Sebastian Nowak, Mikhail Danilov, A. Hüpper, D. Wegener, A. Kosche, J. Spengler, Werner Hofmann, G. Kostina, R. Mundt, A. Nau, Sergey Semenov, T. Oest, K. Tzamariudaki, H. Albrecht, Thomas Hamacher, Hermann Kolanoski, R. Mankel, R. Wurth, Yu. Gershtein, M. Schramm, S. Werner, R. Reiner, T. S. Yoon, H. Thurn, P. Kržan, A. Snizhko, P. Eckstein, H. Kapitza, H. Wegener, V. Lubimov, S. Weseler, P. Pakhlov, M. Walter, D. O. Litvintsev, D. Reβing, P. Krieger, Ivan Belyaev, T. Podobnik, G. Kernel, B. Spaan, J. Stiewe, J. D. Prentice, R. G. Van de Water, C. Frankl, D. Töpfer, Axel Lindner, Holger Schulz, R. P. Hofmann, C. Hast, Michael Schneider, T. Kirchhoff, S. Chechelnitsky, R. Schwierz, M. Schmidtler, T. Živko, R. Waldi, M. Schieber, K. Ehret, A. Droutskoy, H. Schröder, R. Eckmann, Yu. Zaitsev, K. T. Knöpfle, A. Golutvin, E. Križnič, D. B. Macfarlane, Vladislav Balagura, A. Lange, O. Mai, W. Schmidt-Parzefall, H. Kuipers, P. R. B. Saull, T. Siegmund, and I. Tichomirov
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Argus, Meson, Branching fraction, Radiative decay, Mass spectrum, Value (computer science), Atomic physics, computer, computer.programming_language
Abstract: An analysis of the reaction yy ~ r/c was l~erformed in five different decay channels of the r/c: /~sK+~r ~, K+K-Tr+~ "- , 27r+21r -, ~b~b and 2K+2K -. A value Fry(r/c) = ( 11.3 + 4.2) keV was obtained for the radiative decay width by combining the results from the first four channels. Using our result on the two-photon width we also determined the branching ratio for the decay r/c --~ 2K+2K -.
Published: 1994

31. Study ofD 0 andD + decays into final states with two or three kaons

Author: C. Hast, P. R. B. Saull, S. Weseler, T. Siegmund, I. Korolko, V. Lubimov, P. Križan, A. Golutvin, R. Schwierz, Klaus R. Schubert, R. Waldi, G. Kostina, A. Lange, O. Mai, M. Schmidtler, E. Križnič, Sebastian Nowak, D. B. MacFarlane, R. Mundt, D. Wegener, I. Tichomirov, R. Chistov, D. O. Litvintsev, H. Wegener, A. Droutskoy, R. Reiner, J. D. Prentice, A. Lindner, A. Snizhko, B. Spaan, C. Frankl, T. Podobnik, H. Thurn, M. Schramm, R. Eckmann, Yu. Zaitsev, K. Reim, Vladislav Balagura, A. Hüpper, P. Pakhlov, Ivan Belyaev, R. P. Hofmann, T. S. Yoon, P. Eckstein, T. Oest, S. Chechelnitsky, D. Töpfer, Peter Krieger, K. Tzamariudaki, Mikhail Danilov, K. Ehret, Holger Schulz, A. Kosche, T. Živko, Werner Hofmann, R. G. Van de Water, John D. Spengler, H. Albrecht, R. Mankel, R. Wurth, T. Kirchhoff, H. Kapitza, K. T. Knöpfle, Thomas Hamacher, A. Nau, Sergey Semenov, Hermann Kolanoski, W. Schmidt-Parzefall, M. Walter, G. Kernel, H. Kuipers, M. Schieber, H. Schröder, Yu. Gershtein, S. Barsuk, Michael Schneider, J. Stiewe, D. Reßing, and S. Werner
Subjects: Physics, Argus, Particle physics, Physics and Astronomy (miscellaneous), Meson, Branching fraction, Model prediction, Elementary particle, Nuclear physics, Field theory (psychology), Quantum field theory, Engineering (miscellaneous), computer, Storage ring, computer.programming_language
Abstract: Using the ARGUS detector at thee+e− storage ring DORIS II, we have studied Cabibbo-suppressedD0 decay modes resulting in theK+K−π+π− final state and two-bodyD0 decay modes with a ϕ meson in the final state. TheBR(D0→KS0KS0π+π− was measured for the first time. We also present a measurement of theD+→KS0KS0K+ branching ratio. The values are compared with other experimental results and model predictions.
Published: 1994

32. Reconstruction of the decay B− → D10(2414) π−

Author: M. Walter, Holger Schulz, S. Chechelnitsky, H. Wegener, T. Podobnik, Michael Schneider, J. Stiewe, K. T. Knöpfle, K. Ehret, I. Tichomirov, Klaus R. Schubert, M. Schieber, T. Živko, T. Oest, R. Schwierz, G. Kostina, John D. Spengler, V. Lubimov, A. Lindner, H. Albrecht, R. Mankel, Sebastian Nowak, I. Korolko, Mikhail Danilov, R. Mundt, R. P. Hofmann, R. Wurth, D. Wegener, H. Schröder, G. Kernel, K. Reim, A. Kosche, P. Križan, A. Golutvin, H. Thurn, P. R. B. Saull, T. Kirchhoff, Vladislav Balagura, W. Schmidt-Parzefall, Werner Hofmann, A. Hüpper, P. Pakhlov, C. Hast, A. Droutskoy, Yu. Gershtein, T. Siegmund, T. S. Yoon, S. Weseler, K. Tzamariudaki, H. Kuipers, A. Nau, Sergey Semenov, A. Lange, R. Eckmann, Hermann Kolanoski, Yu. Zaitsev, A. Snizhko, D. Reβing, P. Eckstein, D. O. Litvintsev, R. G. Van de Water, B. Spaan, M. Schmidtler, S. Werner, Ivan Belyaev, E. Križnič, D. B. Macfarlane, D. Töpfer, R. Waldi, O. Mai, H. Kapitza, Thomas Hamacher, J. D. Prentice, C. Frankl, R. Reiner, and P. Krieger
Subjects: Physics, Nuclear and High Energy Physics, Argus, Meson, Excited state, Analytical chemistry, Atomic physics, computer, computer.programming_language
Abstract: We present the results of a partial reconstruction of the decay channel B − → D j (∗) π − performed using the ARGUS detector operating at the e+e− storage-ring DORIS II. In the context of this paper, D j (∗)0 is an L = 1 excited charm meson decaying to D ∗+ π − . The measured product of branching ratios is Br(B − → D 1 0 (2414)π − ) · Br Br(D 1 0 → D ∗+ π − ) = (0.17 ± 0.05 ± 0.04)% where the first error is statistical and statistical and the second systematic. No evidence for the decay B − → D 2 ∗0 (2459) π − ) · Br(D 2 ∗0 → D ∗+ π − ) at the 90% confidence level.
Published: 1994

33. Kaons in flavour taggedB decays

Author: K. T. Knöpfle, V. Lubimov, A. Nau, Sergey Semenov, J. Spengler, G. Kernel, Hermann Kolanoski, H. I. Cronström, J. D. Prentice, M. Schieber, M. Walter, Dave Britton, J. Stiewe, P. M. Patel, Ivan Belyaev, A. Hüpper, D. O. Litvintsev, H. Albrecht, E. Križnič, H. Schröder, P. Pakhlov, Manfred Paulini, R. Wurth, B. Spaan, W. Funk, R. Waldi, D. Reßing, Sebastian Nowak, D. Wegener, R. P. Hofmann, T. S. Yoon, Leif J. Jönsson, S. Werner, Fedor Ratnikov, M. Bittner, K. Tzamariudaki, T. Kirchhoff, Michael Schneider, Peter Krieger, T. Oest, D. B. MacFarlane, C. Hast, D. Töpfer, K. Strahl, Vladislav Balagura, P. Eckstein, M. Seeger, A. Droutskoy, W. Schmidt-Parzefall, H. Wegener, A. Lange, P. R. B. Saull, I. Tichomirov, Thomas Hamacher, Yu. Zaitsev, V. Soloshenko, T. Podobnik, Yu. Gershtein, C. E. K. Charlesworth, A. Snizhko, Holger Schulz, A. Lindner, T. Siegmund, E.R.F. Hyatt, R. G. Van de Water, K. W. Edwards, P. Križan, A. Golutvin, S. Khan, T. Živko, Mikhail Danilov, H. Kapitza, A. Kosche, Werner Hofmann, R. Mundt, H. Thurn, S. Weseler, H. Ehrlichmann, M. Schmidtler, K. Reim, Rainer Mankel, K. R. Schubert, S. Chechelnitsky, K. Ehret, G. Kostina, and R. Reiner
Subjects: Physics, Particle physics, Argus, Physics and Astronomy (miscellaneous), Meson, Electron–positron annihilation, High Energy Physics::Phenomenology, Flavour, Nuclear physics, Angular distribution, High Energy Physics::Experiment, Nuclear Experiment, Engineering (miscellaneous), computer, Storage ring, Lepton, computer.programming_language
Abstract: Using the ARGUS detector at thee+e− storage ring DORIS II, flavour-dependent kaon production inB meson decays has been studied. Using the leptons as flavour tags, it has been possible to separately measure the multiplicities ofK+,K− andKs0 in inclusiveB decays and in semileptonicB decays. The kaon production in semileptonicB decays was further used to estimate the ratio of charmed decays over all decays, and thus also the fraction of charmlessB decays.
Published: 1994

34. Observation of γγ → φϱ0 and γγ → φω

Author: H. Wegener, T. Podobnik, V. Lubimov, Sebastian Nowak, I. Korolko, D. Wegener, T. Oest, D. O. Litvintsev, T. Siegmund, C. E.K. Charlesworth, M. Schieber, A. Hüpper, M. Walter, John D. Spengler, D. B. MacFarlane, K. Reim, S. Chechelnitsky, K. Tzamariudaki, Michael Schneider, P. Krieger, B. Spaan, P. Pakhlov, K. Ehret, H. Kapitza, E. Križan, H. Albrecht, R. Mankel, A. Droutskoy, R. Wurth, W. Schmidt-Parzefall, G. Kernel, A. Nau, C. Franki, C. Hast, R. Mundt, Sergey Semenov, Vladislav Balagura, M. Seeger, R. Eckmann, K. W. Edwards, R. Schwierz, A. Lange, H. Schröder, Yu. Zaitsev, S. Werner, T. Kirchhoff, Klaus R. Schubert, Hermann Kolanoski, R. P. Hofmann, P. R.B. Saull, G. Kostina, Thomas Hamacher, H. Thurn, Manfred Paulini, Dave Britton, I. Tichomirov, R. Reiner, P.M. Patel, R. Waldi, R. G. Van de Water, Holger Schulz, S. Khan, T. S. Yoon, E. R.F. Hyatt, A. Lindner, T. Živko, P. Eckstein, Ivan Belyaev, Mikhail Danilov, D. Töpfer, A. Kosche, Yuri Gershtein, A. Snizhko, Werner Hofmann, K. T. Knöpfle, J. D. Prentice, M. Schmidtler, J. Stiewe, D. Reßing, S. Weseler, H. Ehrlichmann, P. Križan, and A. Golutvin
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, Argus, Hadron, DESY, computer, Storage ring, computer.programming_language
Abstract: Two-photon production of the hadronic final states K + K − π + π − and K + K − π + π 0 π − has been studied using the ARGUS detector at the e + e − storage ring DORIS II at DESY. The cross sections of the reactions γγ → oϱ 0 and γγ → oω have been measured for the first time. In addition, angular distrubutions have been determined for the reaction γγ → oϱ 0 → K + K − π + π − .
Published: 1994

35. Observation of polarization effects in Λc+ semileptonic decay

Author: R. Waldi, I. Korolko, C. Hast, S. Weseler, M. Seeger, A. Lange, Mikhail Danilov, Sebastian Nowak, D. Wegener, O. Mai, H. Ehrlichmann, Holger Schulz, A. Kosche, Ivan Belyaev, H. Kapitza, H. Wegener, R. Eckmann, D. Töpfer, Yu. Gershtein, H. Albrecht, Yu. Zaitsev, S. Werner, Klaus R. Schubert, Thomas Hamacher, H. Kuipers, Werner Hofmann, M. Schmidtler, R. Mankel, J. Stiewe, I. Tichomirov, R. Wurth, K. Tzamariudaki, T. Živko, Michael Schneider, T. Podobnik, P. R. B. Saull, P. Krieger, P. Pakhlov, R. P. Hofmann, T. Kirchhoff, V. Lubimov, J. D. Prentice, T. Siegmund, G. Kostina, D. Reβing, K. Reim, C. Frankl, T. Oest, R. Mundt, R. Reiner, A. Hüpper, H. Thurn, A. Snizhko, A. Nau, Sergey Semenov, S. Chechelnitsky, Hermann Kolanoski, K. Ehret, Vladislav Balagura, A. Droutskoy, P. Križan, H. Schröder, A. Golutvin, M. Walter, P. Eckstein, E. Križnič, D. B. Macfarlane, R. Schwierz, D. O. Litvintsev, W. Schnidt-Parzefall, B. Spaan, T. S. Yoon, J. Spengler, G. Kernel, M. Schieber, R. G. Van de Water, A. Lindner, S. Khan, and K. T. Knöpfle
Subjects: Physics, Semileptonic decay, Nuclear and High Energy Physics, Particle physics, Argus, media_common.quotation_subject, Electron–positron annihilation, Elementary particle, Polarization (waves), Asymmetry, Baryon, Nuclear physics, Particle decay, computer, media_common, computer.programming_language
Abstract: Polarization of the Λ daughter baryon from Λc+ → Λl+ vl decay has been measured for the first time using the ARGUS detector at the DORIS II ϵ+ϵ− storage ring. Expressed in terms of the Λc+ semileptonic asymmetry parameter the result is αΛc= −0.91±0.49 for events in the mass region 1.85
Published: 1994

36. A study of mixing using partial reconstruction

Author: R. Mundt, R. Waldi, H. Thurn, D. B. MacFarlane, C. Hast, M. Seeger, A. Droutskoy, K. Reim, A. Lange, Rainer Mankel, Manfred Paulini, M. Schmidtler, R. P. Hofmann, P. R.B. Saull, S. Werner, K. R. Schubert, S. Chechelnitsky, D. O. Litvintsev, P. Pakhlov, A. Hüpper, B. Spaan, A. Nau, Sergey Semenov, V. Lubimov, T. Siegmund, T. Kirchhoff, Hermann Kolanoski, I. Korolko, Sebastian Nowak, Holger Schulz, S. Weseler, D. Wegener, K. Ehret, T. Živko, T. S. Yoon, K. T. Knöpfle, W. Schmidt-Parzefall, I. Tichomirov, H. Ehrlichmann, A. Snizhko, G. Kostina, J. D. Prentice, Ivan Belyaev, Thomas Hamacher, P. Krieger, Mikhail Danilov, J. Stiewe, R. Reiner, A. Kosche, J. Spengler, D. Töpfer, Yuri Gershtein, D. Reßing, Werner Hofmann, Vladislav Balagura, H. Albrecht, C. E.K. Charlesworth, G. Kernel, R. Wurth, R. Eckmann, Yu. Zaitsev, K. W. Edwards, H. Wegener, M. Schieber, K. Tzamariudaki, P. M. Patel, M. Walter, H. Kapitza, E. Križnič, T. Podobnik, H. Schröder, M. Schnieder, T. Oest, P. Križan, A. Golutvin, R. G. Van de Water, S. Khan, E. R.F. Hyatt, P. Eckstein, Dave Britton, and A. Lindner
Subjects: Physics, Nuclear and High Energy Physics, Meson, Branching fraction, Electron–positron annihilation, Analytical chemistry, B meson, Atomic physics, Lepton
Abstract: Using the ARGUS detector at the e + e − storage ring DORIS II at DESY, we have studied the decay B 0 → D ∗+ l − v by exploiting a partial D ∗+ reconstruction technique. The branching ratio for this mode was thereby determined to be (4.5 ± 0.3 ± 0.4)%. Using the corresponding sample of tagged B 0 mesons, we measured the B 0 B 0 mixing parameter to be r d = 0.194 ± 0.062 ± 0.054, a result only weakly dependent upon the ratio of semileptonic widths for and production rates of B 0 and B + mesons. We have also determined the branching ratio Br ( B 0 → X l − v to be (9.3 ± 1.1 ± 1.5)%. By comparing the results for full and partial D ∗+ reconstuction we found the absolute branching ratios for D 0 → K − π + and D 0 → K − π + π + π − to be (4.5 ± 0.6 ± 0.4)% and (7.9 ± 1.5 ± 0.9)%, respectively.
Published: 1994

37. Inclusive production ofK *(892),ρ 0, andω(783) mesons in theϒ energy region

Author: R. G. Van de Water, T. S. Yoon, S. Khan, A. Snizhko, C. Hast, W. Schmidt-Parzefall, P. Pakhlov, M. Seeger, A. Lange, I. Korolko, C. E. K. Charlesworth, A. Nau, Sergey Semenov, Hermann Kolanoski, E. Križnič, Sebastian Nowak, D. Wegener, K. Strahl, Vladislav Balagura, I. Tichomirov, S. Weseler, V. Lubimov, P. Križan, A. Golutvin, K. W. Edwards, Michael Schneider, H. Ehrlichmann, Holger Schulz, P. Eckstein, A. Hüpper, T. Oest, D. O. Litvintsev, J. Stiewe, D. Reßing, R. Waldi, H. Wegener, T. Živko, M. Walter, Ivan Belyaev, T. Podobnik, Mikhail Danilov, A. Lindner, B. Spaan, J. D. Prentice, H. Schröder, A. Kosche, Yuri Gershtein, K. Tzamariudaki, E. R.F. Hvatt, D. Töpfer, Peter Krieger, Werner Hofmann, K. Reim, Dave Britton, R. Mundt, H. Thurn, Rainer Mankel, T. Siegmund, M. Schmidtler, Manfred Paulini, P. R. B. Saull, S. Werner, M. Bittner, R. Eckmann, Yu. Zaitsev, D. B. MacFarlane, A. Droutskoy, G. Kostina, R. Reiner, T. Kirchhoff, K. R. Schubert, S. Chechelnitsky, K. Ehret, H. Albrecht, R. Wurth, Thomas Hamacher, V. Soloshenko, H. Kapitza, R. P. Hofmann, K. T. Knöpfle, J. Spengler, G. Kernel, M. Schieber, and P. M. Patel
Subjects: Baryon, Quark, Physics, Particle physics, Physics and Astronomy (miscellaneous), Meson, Electron–positron annihilation, Elementary particle, Vector meson, Engineering (miscellaneous), Pseudoscalar meson, Gluon
Abstract: The production ofK *+(892),K *0(892),ρ 0(770) andω(783) vector mesons inρ 0(770) events as well as in the gluonic Υ(1S) decays andρ 0(770) decays has been studied using the ARGUS detector. Combining these results with data on pseudoscalar meson, ϕ meson and baryon production collected with the same detector allow comprehensive studies of quark and gluon fragmentation. Model independent information ons quark and vector meson suppression (s/u=0.37±0.04,V/(V+P) π=0.21±0.04 andV/(V+P) K =0.34±0.03)) are derived. The data are compared with predictions from the models Jetset 7.3 and UCLA 7.31.
Published: 1994

38. Investigation of the decays $$\bar B^0 \to D^{* + } \ell ^ - \bar v$$ and $$\bar B \to D^{**} \ell ^ - \bar v$$

Author: T. Siegmund, K. Strahl, Vladislav Balagura, A. Nau, Sergey Semenov, Hermann Kolanoski, P. Pakhlov, P. Križan, S. Werner, C. E. K. Charlesworth, V. Lubimov, A. Golutvin, W. Schmidt-Parzefall, M. Bittner, D. B. MacFarlane, G. Kostina, Mikhail Danilov, C. Hast, J. D. Prentice, A. Lange, P. R. B. Saull, A. Droutskoy, H. Schröder, Manfred Paulini, E.R.F. Hyatt, K. W. Edwards, Yuri Gershtein, R. P. Hofmann, Ivan Belyaev, T. S. Yoon, R. Reiner, Holger Schulz, Peter Krieger, E. Križnič, T. Oest, Werner Hofmann, I. Tichomirov, Michael Schneider, M. Schieber, R. G. Van de Water, R. Waldi, Thomas Hamacher, V. Soloshenko, T. Živko, D. Töpfer, M. Schmidtler, A. Walther, H. Wegener, S. Khan, H. Albrecht, B. Spaan, R. Mundt, W. Funk, T. Podobnik, K. R. Schubert, S. Chechelnitsky, R. Wurth, Yu. Zaitsev, H. Thurn, T. Kirchhoff, K. Tzamariudaki, A. Hüpper, K. Ehret, H. Kapitza, Fedor Ratnikov, R. D. Appuhn, P. Eckstein, S. Weseler, Dave Britton, P. M. Patel, H. Ehrlichmann, J. Spengler, M. Walter, K. Reim, G. Kernel, Rainer Mankel, Sebastian Nowak, D. Wegener, K. T. Knöpfle, J. Stiewe, A. Lindner, D. Reßing, V. Shibaev, and I. V. Gorelov
Subjects: Physics, Argus, Particle physics, Physics and Astronomy (miscellaneous), Meson, Branching fraction, High Energy Physics::Phenomenology, Elementary particle, High Energy Physics::Experiment, Engineering (miscellaneous), computer, Astrophysics::Galaxy Astrophysics, computer.programming_language, Bar (unit)
Abstract: Exclusive semileptonicB decays with aD *+ meson in the final state have been studied using the ARGUS detector at the DORIS II storage ring. The branching ratio for the decay $$\bar B^0 \to D^{* + } \ell ^ - \bar v$$ , where l- is eithere − or μ-, has been measured to be (5.2±0.5±0.6)%. A significant rate for the decay $$\bar B \to D^{**} \ell ^ - \bar v$$ has been observed. From an angular analysis of the cascade $$\bar B^0 \to D^{* + } ( \to D^0 \pi ^ + )\ell ^ - \bar v$$ the forward-backward asymmetryA FB and theD *+ polarization parameter α have been determined to beA FB=0.20±0.08±0.06 and α=1.1±0.4±0.2.
Published: 1993

39. Observation of a new charmed baryon

Author: P. Krieger, J. D. Prentice, R. Waldi, K. W. Edwards, K. T. Knöpfle, Ivan Belyaev, A. Hüpper, I. Korolko, E. Križnič, P. R. B. Saull, K. Tzamariudaki, K. Strahl, R. Mundt, Vladislav Balagura, V. Lubimov, B. Spaan, J. Stiewe, H. Thurn, K. R. Schubert, A. Snizhko, T. Siegmund, S. Chechelnitsky, Sebastian Nowak, H. Schröder, S. Werner, D. Wegener, D. Töpfer, D. B. Macfarlane, Dmitry Litvintsev, M. Bittner, K. Reim, Thomas Hamacher, H. Wegener, G. Kernel, Dave Britton, K. Ehret, T. Podobnik, H. Kapitza, Holger Schulz, E.R.F. Hyatt, I. Tichomirov, M. Schieber, W. Schmidt-Parzefall, M. Walter, A. Nau, Rainer Mankel, Sergey Semenov, Manfred Paulini, P. M. Patel, Hermann Kolanoski, S. Weseler, C. Hast, C. E. K. Charlesworth, T. Živko, P. Križan, A. Golutvin, R. Eckmann, Yu. Zaitsev, M. Seeger, R. P. Hofmann, H. Ehrlichmann, A. Lange, G. Kostina, T. Kirchhoff, P. Pakhlov, John D. Spengler, M. Schmidtler, R. Reiner, Yu. Gershtein, A. Lindner, Mikhail Danilov, Michael Schneider, H. Albrecht, R. Wurth, A. Droutskoy, A. Kosche, D. Reβing, Werner Hofmann, T. Oest, P. Eckstein, T. S. Yoon, R. G. Van de Water, and S. Khan
Subjects: Nuclear physics, Physics, Baryon, Nuclear and High Energy Physics, Argus, Branching fraction, Electron–positron annihilation, Elementary particle, Charge (physics), DESY, computer, Storage ring, computer.programming_language
Abstract: Using the ARGUS detector at the e+e− storage ring DORIS II at DESY, we have observed a new charmed baryon state in the channel Λc+π+π−. (All references to a specific charged state also imply the charge conjugate state.) The mass of this state was measured to be (2626.6 ± 0.5 ± 1.5) MeV/c2. The product of the production cross section and branching ratio for this channel was determined to be (11.5 ± 2.5 ± 3.0) pb, and the natural width estimated to be smaller than 3.2 MeV/c2 at 90% CL.
Published: 1993

40. A determination of two Michel parameters in purely leptonic tau decays

Author: D. Reβing, Yu. Gershtein, V. Lubimov, A. Nau, Sergey Semenov, Hermann Kolanoski, K. Reim, Rainer Mankel, K. T. Knöpfle, H. Schröder, S. Weseler, Dave Britton, T. S. Yoon, J. D. Prentice, K. Strahl, Vladislav Balagura, H. Ehrlichmann, C. Hast, H. Kapitza, M. Seeger, A. Lange, M. Schmidtler, A. Lindner, Michael Schneider, M. Schieber, P. Krieger, E.R.F. Hyatt, M. Walter, Andreas Kirchhoff, Ivan Belyaev, R. Waldi, A. Droutskoy, R. Mundt, P. Eckstein, D. O. Litvintsev, D. Töpfer, B. Spaan, W. Funk, H. Thurn, R. G. Van de Water, Holger Schulz, S. Khan, G. Kernel, P. R. B. Saull, T. Živko, Thomas Hamacher, V. Soloshenko, T. Siegmund, P. Pakhlov, R. P. Hofmann, K. R. Schubert, Manfred Paulini, S. Chechelnitsky, K. Tzamariudaki, K. Ehret, W. Schmidt-Parzefall, G. Kostina, C. E. K. Charlesworth, R. Reiner, H. Wegener, P. M. Patel, I. Tichomirov, R. Eckmann, Yu. Zaitsev, T. Podobnik, S. Werner, M. Bittner, A. Hüpper, Fedor Ratnikov, T. Oest, Mikhail Danilov, A. Kosche, Werner Hofmann, A. Snizhko, John D. Spengler, H. Albrecht, R. Wurth, Sebastian Nowak, D. Wegener, E. Križnič, D. B. Macfarlane, P. Križan, A. Golutvin, K. W. Edwards, and J. Stiewe
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Argus, Muon, Electron–positron annihilation, Elementary particle, Electron, Spectral line, Nuclear physics, Momentum, Michel parameters, computer, computer.programming_language
Abstract: Using the ARGUS detector at the e+e− storage ring DORIS II, we have determined the Michel parameters ϱ and ξ of τ → μν ν and τ → eν ν decays. From a data sample with 333 events/pb around s = 10 GeV , we select 3230 events e + e − → τ + τ − → (μ ± μ μ )( e ǂv v ) and determine ϱ from the e and μ momentum spectra and ξ from the correlations between e and μ momenta. For ϱ we obtain ϱτ→e = 0.79 ± 0.08 ± 0.06 and ϱτ→μ = 0.76 ± 0.08 in accordance with the V - A structure of the decays. The momentum correlations are only sensitive to the product ξτ→eξτ→μ. Setting ξτ→e = ξτ→μ, we obtain |ξτ| = 0.90 ± 0.15 ± 0.10 also in accordance with V - A. The updated decay fractions are B(τ → e v v ) = (17.5 ± 0.3 ± 0.5)% and B(τ → μv v ) = (17.4 ± 0.3 ± 0.5)% .
Published: 1993

41. A partial wave analysis of the decay D0 → KS0π+π−

Author: R. Mundt, J. Stiewe, D. Reßing, H. Thurn, G. Kostina, K. Reim, V. Shibaev, A. Hüpper, V. Lubimov, Rainer Mankel, R. Reiner, A. Nau, Sergey Semenov, Hermann Kolanoski, Holger Schulz, M. Schmidtler, J. Tamminga, A. Walther, D. B. MacFarlane, Fedor Ratnikov, C. Hast, T. Kirchhoff, W. Schmidt-Parzefall, K. R. Schubert, A. Lange, T. Živko, K. T. Knöpfle, A. Droutskoy, R. G. Van de Water, S. Weseler, I. V. Gorelov, I. Tichomirov, S. Khan, K. Ehret, H. Ehrlichmann, P. Pakhlov, Sebastian Nowak, R. P. Hofmann, D. Wegener, T. S. Yoon, E.R.F. Hyatt, Peter Krieger, Mikhail Danilov, K. W. Edwards, John D. Spengler, Ivan Belyaev, H. Albrecht, Werner Hofmann, R. Wurth, K. Strahl, P. R. B. Saull, Vladislav Balagura, C. E. K. Charlesworth, D. Töpfer, Michael Schneider, T. Siegmund, M. Schieber, Manfred Paulini, H. Kapitza, P. M. Patel, A. Lindner, G. Kernel, H. Wegener, Thomas Hamacher, V. Soloshenko, T. Podobnik, M. Walter, T. Oest, H. Schröder, B. Spaan, W. Funk, R. D. Appuhn, K. Tzamariudaki, P. Križan, A. Golutvin, Dave Britton, E. Križnič, P. Murat, R. Waldi, J. D. Prentice, S. Werner, and Yu. Zaitsev
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle decay, Pion, Pair production, Meson, Branching fraction, Partial wave analysis, Excited state, Analytical chemistry, Dalitz plot
Abstract: Using the ARGUS detector at the DORIS-II electron-positron storage ring at DESY, we have investigated the exclusive decay D ∗+ → D 0 π + , D 0 → K S 0 π + π − . From a partial wave analysis of the KS0π+π− system we find that (71.8± 4.2 ± 3.0)% are D 0 → K ∗− π + and (22.7 ± 3.2 ± 0.9)% are D 0 → K 0 ϱ 0 with a relative phase of (−137 ± 7 ± 3)° between the channels. The remaining fraction can be described by several channels involving excited resonances, but not by a three-body phase space decay, thus giving first evidence for D0 decays into K 0 ∗ (1430) − π + , K 0 f 0 (1975), K 0 f 2 (1270) , and K 0 f 0 (1400) .
Published: 1993

42. Inclusive production of η′ (958) andf o (975) mesons in the υ energy region

Author: V. Lubimov, Mikhail Danilov, W. Schmidt-Parzefall, Ivan Belyaev, H. Wegener, T. Podobnik, H. Albrecht, A. Kosche, J. Stiewe, R. P. Hofmann, R. Wurth, T. Oest, D. Reßing, J. Spengler, J. D. Prentice, D. Töpfer, C. Hast, C. E. K. Charlesworth, M. Seeger, T. S. Yoon, A. Lange, Werner Hofmann, D. B. MacFarlane, A. Lindner, I. Tichomirov, G. Kernel, A. Droutskoy, K. Strahl, Vladislav Balagura, T. Siegmund, H. Kapitza, R. D. Appuhn, M. Walter, G. Kostina, R. Waldi, M. Schieber, Michael Schneider, P. Eckstein, R. G. Van de Water, A. Zimmermann, Yu. Zaitsev, S. Werner, M. Bittner, S. Khan, A. Hüpper, R. Reiner, Yu. Gershtein, Manfred Paulini, P. M. Patel, I. V. Gorelov, P. Pakhlov, A. Walther, T. Kirchhoff, Fedor Ratnikov, E.R.F. Hyatt, Dave Britton, H. Schröder, K. W. Edwards, E. Križnič, Thomas Hamacher, V. Soloshenko, V. Shibaev, B. Spaan, W. Funk, A. Nau, K. T. Knöpfle, Sergey Semenov, Peter Krieger, P. R. B. Saull, K. R. Schubert, S. Chechelnitsky, Hermann Kolanoski, K. Ehret, S. Nowack, P. Križan, A. Golutvin, Holger Schulz, D. Wegener, T. Živko, R. Mundt, M. Schmidtler, H. Thurn, K. Reim, Rainer Mankel, S. Weseler, H. Ehrlichmann, and K. Tzamariudaki
Subjects: Physics, Particle physics, Argus, Annihilation, Physics and Astronomy (miscellaneous), Meson, Octet, Electron–positron annihilation, Nuclear physics, Pseudoscalar, Vector meson, Singlet state, Engineering (miscellaneous), computer, computer.programming_language
Abstract: The inclusive production cross sections of η′ (958) andf o (975) mesons are measured ine + e − annihilation in the nonresonant continuum around $$\sqrt s = 10$$ GeV and in decays of the υ resonances using the ARGUS detector. For η′ (958) mesons, a production ratio of η′ (958)/ηdir=0.35±0.24, with ηdir=η−BR(η′→ηX)·η′, is determined in direct υ(1S) decays, which can be partially explained by the pseudoscalar singlet/octet mixing. Forf o (975) production, we obtain a production ratio off o (975)/p(770)°=0.17±0.030 in direct υ(1S) decays. In its production features, thef o (975) behaves like an ordinary meson, though aK $$\bar K$$ molecule nature cannot be excluded. The substantial production yield of thef o (975) meson demonstrates the important effect of feeddown from mesons beyond the basic multiples on pseudoscalar and vector meson production.
Published: 1993

43. Inclusive production of charged pions, kaons and protons in υ(4S) decays

Author: P. Pakhlov, Leif J. Jönsson, T. Oest, I. V. Gorelov, Holger Schulz, Sebastian Nowak, P. R. B. Saull, E. Križnič, E.R.F. Hyatt, D. Wegener, M. Schmidtler, Mikhail Danilov, K. W. Edwards, H. Schröder, H. Wegener, T. Živko, Werner Hofmann, A. Hüpper, T. Podobnik, V. Shibaev, Manfred Paulini, H. Kapitza, R. G. Van de Water, C. Hast, R. Mundt, Fedor Ratnikov, K. Strahl, Vladislav Balagura, K. T. Knöpfle, Ivan Belyaev, A. Lindner, M. Reidenbach, J. Stiewe, A. Lange, D. Reßing, V. Lubimov, S. Khan, D. Töpfer, K. Tzamariudaki, H. Thurn, Michael Schneider, P. Murat, S. Weseler, M. Walter, H. Ehrlichmann, P. Križan, A. Golutvin, W. Schmidt-Parzefall, H. I. Cronström, D. B. MacFarlane, R. P. Hofmann, A. Hölscher, R. Waldi, T. Siegmund, T. S. Yoon, A. Droutskoy, A. Nau, Sergey Semenov, K. Reim, Peter Krieger, C. E. K. Charlesworth, Hermann Kolanoski, Sally Seidel, S. Werner, Rainer Mankel, J. D. Prentice, Dave Britton, Yu. Zaitsev, B. Spaan, W. Funk, I. Tichomirov, R. D. Appuhn, Thomas Hamacher, V. Soloshenko, A. Walther, John D. Spengler, H. Albrecht, R. Wurth, T. Kirchhoff, K. R. Schubert, K. Ehret, G. Kostina, R. Reiner, M. Schieber, P. M. Patel, and G. Kernel
Subjects: Physics, Argus, Particle physics, Physics and Astronomy (miscellaneous), Meson, Electron–positron annihilation, Nuclear Theory, Hadron, Particle identification, Momentum, Nuclear physics, Pion, High Energy Physics::Experiment, Nuclear Experiment, Engineering (miscellaneous), computer, Storage ring, computer.programming_language
Abstract: Using the detector ARGUS at thee + e − storage ring DORIS II, we have investigated inclusive momentum spectra of charged pions, kaons, and protons from decays of the υ(4S) meson. The kaon spectra have been measured in two independent ways, by coherently exploiting the detector's particle identification capabilities, and by detecting decays in-flight. The extracted mean multiplicities for charged hadrons are 7.17±0.05±0.14 pions, 1.56±0.03±0.05 kaons and 0.110±0.010±0.007 protons per υ(4S) decay, where pions and protons fromK and Δ decays have been subtracted.
Published: 1993

44. Observation of semileptonic decay

Author: P. Murat, Sally Seidel, R. Waldi, S. Weseler, John D. Spengler, A. Lindner, M. Walter, Holger Schulz, H. Albrecht, J. Stiewe, R. Wurth, H. Ehrlichmann, H. I. Cronström, T. Živko, M. Schieber, B. Spaan, W. Funk, A. Nau, Sergey Semenov, T. Kirchhoff, Hermann Kolanoski, R. Mundt, K. T. Knöpfle, Thomas Hamacher, V. Soloshenko, S. Werner, K. Reim, Mikhail Danilov, P. Krieger, H. Thurn, P. Križan, A. Golutvin, P. R. B. Saull, J. D. Prentice, V. Shibaev, A. Hölscher, R. D. Appuhn, Rainer Mankel, R. P. Hofmann, W. Schmidt-Parzefall, M. Schmidtler, C. Hast, E. Križnič, Manfred Paulini, C. E. K. Charlesworth, H. Schröder, D. Reβing, P. Pakhlov, K. W. Edwards, A. Lange, K. R. Schubert, Werner Hofmann, A. Hüpper, D. B. Macfarlane, Dave Britton, T. Siegmund, I. V. Gorelov, Fedor Ratnikov, M. Reidenbach, A. Walther, K. Ehret, P. M. Patel, G. Kernel, I. Tichomirov, G. Kostina, Yu. Zaitsev, R. Reiner, Michael Schneider, K. Strahl, Vladislav Balagura, V. Lubimov, Ivan Belyaev, D. Töpfer, H. Kapitza, Leif J. Jönsson, A. Droutskoy, T. Oest, E.R.F. Hyatt, H. Wegener, T. Podobnik, Sebastian Nowak, D. Wegener, R. G. Van de Water, S. Khan, K. Tzamariudaki, and T. S. Yoon
Subjects: Semileptonic decay, Physics, Nuclear and High Energy Physics, Argus, Physics::Instrumentation and Detectors, Branching fraction, High Energy Physics::Phenomenology, DESY, Nuclear physics, Baryon, High Energy Physics::Experiment, computer, Storage ring, computer.programming_language
Abstract: Observation of the semileptonic decay of the charmed baryon in the decay channel has been made using the ARGUS detector at the e + e − storage ring DORIS II at DESY. The cross section times branching ratio was found to be .
Published: 1993

45. Search for rareB meson decays intoD s + mesons

Author: Manfred Paulini, Dave Britton, S. Weseler, B. Spaan, W. Funk, R. D. Appuhn, P. Eckstein, H. Ehrlichmann, M. Walter, K. T. Knöpfle, T. S. Yoon, Holger Schulz, A. Walther, G. Kernel, Peter Krieger, G. Kostina, T. Živko, Sebastian Nowak, K. Reim, D. Wegener, R. Waldi, R. G. Van de Water, Yu. Gershtein, Yu. Zaitsev, I. V. Gorelov, T. Siegmund, S. Werner, Rainer Mankel, R. Mundt, H. Schröder, M. Schmidtler, J. D. Prentice, S. Khan, H. Thurn, Mikhail Danilov, K. Strahl, R. Reiner, Vladislav Balagura, I. Tichomirov, T. Oest, M. Bittner, R. P. Hofmann, P. Pakhlov, K. Tzamariudaki, E. Križnič, H. Wegener, M. Schieber, T. Podobnik, D. B. MacFarlane, P. R. B. Saull, Werner Hofmann, K. R. Schubert, A. Droutskoy, S. Chechelnitsky, J. Stiewe, A. Hüpper, V. Shibaev, P. M. Patel, D. Reßing, Fedor Ratnikov, A. Nau, Sergey Semenov, Hermann Kolanoski, K. Ehret, T. Kirchhoff, P. Križan, A. Golutvin, A. Lindner, John D. Spengler, H. Albrecht, R. Wurth, Thomas Hamacher, V. Soloshenko, E.R.F. Hyatt, K. W. Edwards, C. Hast, A. Lange, Ivan Belyaev, Michael Schneider, D. Töpfer, H. Kapitza, W. Schmidt-Parzefall, C. E. K. Charlesworth, and V. Lubimov
Subjects: Quark, Physics, Argus, Particle physics, Annihilation, Physics and Astronomy (miscellaneous), Meson, Electron–positron annihilation, High Energy Physics::Phenomenology, Resonance, Coupling (probability), Nuclear physics, High Energy Physics::Experiment, B meson, Engineering (miscellaneous), computer, computer.programming_language
Abstract: A search has been performed for rareB meson decays intoD − mesons arising fromb→u transitions,W exchange modes,B + annihilation processes, and decays where theD + is not produced via aW→c $$\bar s$$ quark pair coupling, using the ARGUS detector operating on the Ψ(4S) resonance at thee + e − storage ring DORIS II. Upper limits for individual decay modes are obtained. In addition, from a study ofD + l- correlations an upper limit of BR (B→D + l- X) (90% CL) is determined.
Published: 1993

46. Analysis of the decayτ - →π - π - π + v τ and determination of thea 1(1260) resonance parameters

Author: S. Werner, K. T. Knöpfle, D. B. MacFarlane, A. Droutskoy, M. Bittner, R. Mundt, A. Walther, Sebastian Nowak, Ivan Belyaev, T. S. Yoon, D. Wegener, J. Stiewe, H. Thurn, John D. Spengler, C. Hast, A. Lindner, A. Lange, D. Reßing, T. Siegmund, Yu. Zaitsev, K. R. Schubert, H. Schröder, S. Chechelnitsky, H. Albrecht, D. Töpfer, Holger Schulz, J. D. Prentice, G. Kernel, B. Spaan, W. Funk, R. Wurth, K. Ehret, H. Wegener, A. Nau, V. Shibaev, T. Živko, R. G. Van de Water, Sergey Semenov, Hermann Kolanoski, S. Khan, G. Kostina, T. Podobnik, W. Schmidt-Parzefall, R. P. Hofmann, K. Strahl, Vladislav Balagura, P. Pakhlov, Peter Krieger, K. Reim, H. Kapitza, C. E. K. Charlesworth, Manfred Paulini, E. Križnič, R. Waldi, Michael Schneider, V. Lubimov, T. Kirchhoff, Dave Britton, I. V. Gorelov, Rainer Mankel, E.R.F. Hyatt, M. Schmidtler, K. W. Edwards, R. D. Appuhn, P. R. B. Saull, P. Eckstein, M. Walter, T. Oest, Thomas Hamacher, V. Soloshenko, S. Weseler, H. Ehrlichmann, R. Reimer, K. Tzamariudaki, P. Križan, A. Golutvin, M. Schieber, P. M. Patel, Mikhail Danilov, Yuri Gershtein, Werner Hofmann, A. Hüpper, Fedor Ratnikov, and I. Tichomirov
Subjects: Physics, Argus, Physics and Astronomy (miscellaneous), Branching fraction, Electron–positron annihilation, Hadron, Dalitz plot, Resonance, Elementary particle, Intermediate state, Atomic physics, Engineering (miscellaneous), computer, computer.programming_language
Abstract: Using the ARGUS detector at the DORIS IIe +e− storage ring we have studied the three-pion hadronic final state in the decay τ- → π-π-π+ v τ. From about 7500 events we conclude that the three-pion system is dominated by theJ P=1+ resonancea 1 (1260) decaying preferentially via ρ0π-. Our data restrict a possible ρπ contribution of three-pion states without intermediate resonances to less than 6% at 95% CL. Fitting a model by Isgur et al. to the data yields $$m_{a_1 } = (1.211 \pm 0.007 \pm _{0.0}^{0.050} ) GeV/c^2 $$ and $$\Gamma _{a_1 } = (0.446 \pm 0.0021 \pm _{0.0}^{0.140} ) GeV/c^2 $$ . The second errors reflect the model dependence of the result. This is the currently most significant determination of thea 1 resonance parameters. The ratio ofS- andD-wave amplitudes for the ρ0π- intermediate state of thea 1 − decay at the nominala 1 − mass was found to beD/S=−0.11±0.02. Using thisD/S ratio we update our former measurement of the parity violating asymmetry parameter $$\gamma _{AV} = 2g_A g_V /(g_A^2 + g_V^2 )$$ to 1.25±0.23± 0.08 0.15 . The branching ratio of the decay τ- → π-π-π+ v τ is determined to be Br(τ- → π-π-π+ v τ)=(6.8±0.1±0.5)%.
Published: 1993

47. Observation of the decay

Author: H. Schröder, P. R. B. Saull, M. Schieber, J. D. Prentice, K. Strahl, Vladislav Balagura, S. Werner, A. Droutskoy, Ivan Belyaev, P. Pakhlov, Mikhail Danilov, T. S. Yoon, G. Kostina, Manfred Paulini, R. P. Hofmann, I. Tichomirov, A. Walther, A. Linder, R. Reiner, V. Shibaev, K. R. Schubert, C. Hast, M. Walter, R. G. Van de Water, K. Reim, Werner Hofmann, K. W. Edwards, T. Siegmund, Dave Britton, H. Wegener, H. I. Cronström, A. Hüpper, A. Lange, D. Töpfer, P. Krieger, S. Khan, Michael Schneider, K. Ehret, Fedor Ratnikov, T. Podobnik, Holger Schulz, P. Murat, E. Križnič, Rainer Mankel, B. Spaan, W. Funk, T. Kirchhoff, M. Schmidtler, Sebastian Nowak, K. Tzamariudaki, W. Schmidt-Parzefall, R. Waldi, D. Wegener, K. T. Knöpfle, T. Živko, H. Kapitza, C. E. K. Charlesworth, I. V. Gorelov, D. B. Macfarlane, R. D. Appuhn, V. Lubinov, R. Mundt, John D. Spengler, G. Kernel, Leif J. Jönsson, P. Križan, A. Golutvin, H. Albrecht, D. Reβing, H. Thurn, P. M. Patel, J. Stiewe, T. Oest, S. Weseler, R. Wurth, E.R.F. Hyatt, Yu. Zaitsev, H. Ehrlichmann, A. Nau, Sergey Semenov, Hermann Kolanoski, Thomas Hamacher, and V. Soloshenko
Subjects: Physics, Nuclear and High Energy Physics, Argus, Meson, Electron–positron annihilation, Analytical chemistry, Value (computer science), DESY, Excited state, Mass spectrum, Atomic physics, computer, Storage ring, computer.programming_language
Abstract: Using the ARGUS detector at the e + e - storage ring using DORIS II at DESY, we have observed a new decay channel for the excited charm-strange meson D s1 (2536) + →D∗ O K + . The production cross section for the D s 1 (2536) + decaying via this channel is measured to be σ ( D s1 (2536) + )· BR (D sl (2536) + →D∗ 0 K + )= 18±4±3 pb at E CM = 10.4 GeV. The mass of the D s 1 (2536) + is found to be 2535.2 ± 0.5±1.5 MeV/ c 2 in agreement with the value obtained from an analysis of the D s1 (2536) + →D∗ + K 0 s decay channel. The natural width is determined to be less than 3.9 MeV/ c 2 at 90%CL.
Published: 1992

48. A measurement of the tau mass

Author: G. Kernel, M. Schieber, V. Shibaev, S. Semenov, Leif J. Jönsson, V. Lubimov, H. Schröder, D. Wegener, D. Reβing, R. Wurth, C. Hast, J. Stiewe, T. Oest, P. Križan, G. Kostina, K. Reim, A. Lange, T. Kirchhoff, S. Werner, Michael Schneider, A. Droutskoy, H. Albrecht, H. Wegener, E. Križnič, W. Funk, R. P. Hofmann, M. Schmidtler, T. Podobnik, H.D. Schulz, R. Reiner, J. D. Prentice, Sebastian Nowak, A. Walther, M. Danilov, K. Strahl, Vladislav Balagura, Ivan Belyaev, W. Schmidt-Parzefall, R. Mankel, K. T. Knöpfle, K. R. Schubert, C. E. K. Charlesworth, S. Weseler, I. Tichomirov, P. Murat, D. Töpfer, R. Mundt, R. Waldi, K. W. Edwards, R. D. Appuhn, H. Ehrlichmann, H. Thurn, K. Ehret, P. Krieger, R. G. Van de Water, E.R.F. Hyatt, A. Nau, P. M. Patel, A. Golutvin, H. Kapitza, Hermann Kolanoski, S. Khan, Dave Britton, P. Pakhlov, Yu. Zaitsev, J. Spengler, T. S. Yoon, M. Walter, H. I. Cronström, I. Gorelov, T. Živko, Werner Hofmann, A. Hüpper, K. Tzamariudaki, P. R. B. Saull, F. Ratnikov, A. Lindner, T. Siegmund, Manfred Paulini, B. Spaan, Thomas Hamacher, and V. Soloshenko
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Argus, Particle physics, Electron–positron annihilation, Mass spectrum, computer, Storage ring, Lepton, computer.programming_language
Abstract: Using the ARGUS detector at the DORIS II storage ring, a new measurement of the mass of the τ lepton has been obtained. An analysis of the tau pseudomass spectrum for decays of the type τ− → π−π−π+ντ finds mτ = 1776.3±2.4±1.4 MeV/c2. This result also leads to an improvement of the upper limit on the ντ mass to mντ < 31 MeV/c2 at the 95% confidence level.
Published: 1992

49. A new determination of theB 0 $$\bar B^0 $$ oscillation strength

Author: Manfred Paulini, Holger Schulz, C. Geyer, C. Hast, Mikhail Danilov, T. Živko, R. Waldi, A. Lange, A. Krüger, R. G. Van de Water, B. Fominykh, John D. Spengler, A. Walther, R. Mundt, D. Wegener, H. Albrecht, T. Siegmund, A. Semenov, S. Khan, S. Ball, J. C. Gabriel, Werner Hofmann, H. Thurn, R. Wurth, Sally Seidel, J. Stiewe, D. Reßing, Leif J. Jönsson, Thomas Hamacher, V. Soloshenko, P. Pakhlov, T. Oest, V. Shevchenko, I. Tichomirov, S. Weseler, Peter Krieger, H. Schröder, W. Schmidt-Parzefall, Robert K. Kutschke, G. Herrera, K. Strahl, Vladislav Balagura, C. E. K. Charlesworth, B. Holzer, P. Križan, V. Lubimov, H. Ehrlichmann, E. Križniĉ, A. Golutvin, Fedor Ratnikov, A. Nau, Sergey Semenov, A. Hölscher, M. Reidenbach, C. W. Darden, Hermann Kolanoski, D. B. MacFarlane, Yu. Zaitsev, R. Childers, A. Droutskoy, H. Wegener, K. T. Knöpfle, K. Tzamariudaki, H. I. Cronström, T. Podobnik, J. D. Prentice, A. Nippe, T. S. Yoon, K. Reim, S. Werner, B. Boŝtjanĉiĉ, Rainer Mankel, A. Rostovtsev, I. V. Gorelov, B. Spaan, W. Funk, R. D. Appuhn, M. Schäfer, Georgios Tsipolitis, Dave Britton, F. Sefkow, R. S. Orr, U. Volland, G. Kernel, K. R. Schubert, M. Schieber, A. Lindner, P. M. Patel, D. Töpfer, Stefan Schael, H. Kapitza, and K. W. Edwards
Subjects: Physics, Argus, Physics and Astronomy (miscellaneous), Meson, Electron–positron annihilation, Elementary particle, DESY, Nuclear physics, Engineering (miscellaneous), computer, Storage ring, Lepton, Bar (unit), computer.programming_language
Abstract: Using the ARGUS detector at thee+e− storage ring DORIS II at DESY, a study ofB0$\bar B^0 $ oscillations has been performed using three different techniques. Besides the standard dilepton method, charge correlations betweenD* mesons and one or two leptons have also been investigated. The mixing parameterr is determined to be (20.6±7.0)%.
Published: 1992

50. Measurement of exclusive one-prong and inclusive three-prong branching ratios of the τ lepton

Author: B. Holzer, K. T. Knöpfle, P. Pakhlov, H. Schröder, K. Reim, Mikhail Danilov, Stefan Schael, Leif J. Jönsson, A. Semenov, H. Kapitza, Peter Krieger, Rainer Mankel, J. C. Gabriel, B. Fominykh, D. Wegener, K. Strahl, Vladislav Balagura, S. Weseler, Robert K. Kutschke, R. S. Orr, T. Oest, P. Križan, R. Mundt, H. Ehrlichmann, G. Herrera, V. Lubimov, U. Volland, Werner Hofmann, A. Golutvin, D. Töpfer, A. Hölscher, H. Thurn, K. Tzamariudaki, H. I. Cronström, C. W. Darden, A. Nau, Sergey Semenov, A. Lindner, E. Križnič, Georgios Tsipolitis, C. Geyer, C. Hast, Hermann Kolanoski, R. Waldi, Dave Britton, Holger Schulz, A. Nippe, H. Wegener, A. Lange, Manfred Paulini, I. V. Gorelov, K. W. Edwards, F. Sefkow, T. Podobnik, J. Stiewe, J. D. Prentice, Fedor Ratnikov, D. Reßing, T. Živko, W. Schmidt-Parzefall, M. Reidenbach, S. C. Seider, R. D. Appuhn, T. S. Yoon, M. Schäfer, K. B. Schubert, T. Siegmund, S. Ball, B. Spaan, W. Funk, A. Krüger, R. G. Van de Water, C. E. K. Charlesworth, S. Khan, M. Schieber, S. Werner, P. M. Patel, A. Rostovtsev, G. Kernel, Yu. Zaitsev, B. Boštjančič, Thomas Hamacher, V. Soloshenko, A. Walther, John D. Spengler, H. Albrecht, R. Wurth, V. Shevchenko, I. Tichomirov, D. B. MacFarlane, R. Childers, and A. Droutskoy
Subjects: Physics, Argus, Particle physics, Physics and Astronomy (miscellaneous), Electron–positron annihilation, Branching (polymer chemistry), Engineering (miscellaneous), computer, Charged particle, computer.programming_language, Lepton
Abstract: Using the ARGUS detector at the DORIS II storage ring, we have studied τ decays with one or three charged particles in the final state, obtaining the following values for the branching ratios: BR(τ−→e − $$\bar v_e v_\tau $$ )=(17.3±0.4±0.5)% BR(τ−→μ− $$\bar v_\mu v_\tau $$ )=(17.2±0.4±0.5)%,BR(τ−→π− v π)+BR(τ−→K − v π)=(11.7±0.6±0.8)% and BR(π−→3-prong)=(13.3±0.3±0.8)%. These measurements confirm the present world averages with a precision, in each case, comparable to the error on the combination of all previous results.
Published: 1992

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