Georg Viehhauser: Publications

Measurement of the branching ratios for the decays of Ds⁺ to ηπ⁺, η′π⁺, ηρ⁺, and η′ρ⁺

Physical Review D 58:5 (1998)

Authors:

CP Jessop, K Lingel, H Marsiske, ML Perl, SF Schaffner, D Ugolini, R Wang, X Zhou, TE Coan, V Fadeyev, I Korolkov, Y Maravin, I Narsky, V Shelkov, J Staeck, R Stroynowski, I Volobouev, J Ye, M Artuso, A Efimov, F Frasconi, M Gao, M Goldberg, D He, S Kopp, GC Moneti, R Mountain, Y Mukhin, S Schuh, T Skwarnicki, S Stone, G Viehhauser, X Xing, J Bartelt, SE Csorna, V Jain, S Marka, A Freyberger, R Godang, K Kinoshita, IC Lai, P Pomianowski, S Schrenk, G Bonvicini, D Cinabro, R Greene, LP Perera, B Barish, M Chadha, S Chan, G Eigen, JS Miller, C O'Grady, M Schmidtler, J Urheim, AJ Weinstein, F Würthwein, DM Asner, DW Bliss, WS Brower, G Masek, HP Paar

Abstract:

Using a data sample with an integrated luminosity of 3.9 fb-1 collected in e+e- annihilation with the CLEO-II detector at the Cornell Electron Storage Ring, we have measured the branching ratios for the decay modes Ds+→(η,η′)π+ and Ds+→(η,η′)ρ+ relative to Ds+→φ+. These decay modes are among the most common hadronic decays of the Ds+ , and can be related by factorization to the semileptonic decays Ds+ →(η,η′)ℓ+νl. The results obtained are compared with previous CLEO results and with the branching ratios measured for the related semileptonic decays. We also report results on the Cabibbo-suppressed decays of the D+ to the same final states. © 1998 The American Physical Society.

Measurement of the branching fractions of Λc+→pK¯n(π)

Physical Review D - Particles, Fields, Gravitation and Cosmology 57:7 (1998) 4467-4470

Authors:

MS Alam, SB Athar, Z Ling, AH Mahmood, H Severini, S Timm, F Wappler, A Anastassov, JE Duboscq, D Fujino, KK Gan, T Hart, K Honscheid, H Kagan, R Kass, J Lee, MB Spencer, M Sung, A Undrus, R Wanke, A Wolf, MM Zoeller, B Nemati, SJ Richichi, WR Ross, P Skubic, M Bishai, J Fast, JW Hinson, N Menon, DH Miller, EI Shibata, IPJ Shipsey, M Yurko, L Gibbons, S Glenn, SD Johnson, Y Kwon, S Roberts, EH Thorndike, CP Jessop, K Lingel, H Marsiske, ML Perl, D Ugolini, R Wang, X Zhou, TE Coan, V Fadeyev, I Korolkov, Y Maravin, I Narsky, V Shelkov, J Staeck, R Stroynowski, I Volobouev, J Ye, M Artuso, A Efimov, M Goldberg, D He, S Kopp, GC Moneti, R Mountain, S Schuh, T Skwarnicki, S Stone, G Viehhauser, X Xing, J Bartelt, SE Csorna, V Jain, KW McLean, S Marka, R Godang, K Kinoshita, IC Lai, P Pomianowski, S Schrenk, G Bonvicini, D Cinabro, R Greene, LP Perera, GJ Zhou, B Barish, M Chadha, S Chan, G Eigen, JS Miller, C O’Grady, M Schmidtler, J Urheim, AJ Weinstein, F Würthwein, DW Bliss, G Masek, HP Paar, S Prell, V Sharma, DM Asner

Abstract:

Using data recorded by the CLEO-II detector at CESR, we report new measurements of the branching fractions for the decays of the charmed baryon Λc+ into pK-π+π0, pK0, pK0π+π-, and pK0π0, all measured relative to pK-π+. The relative branching fractions are 0.67±0.04±0.11,0.46±0.02±0.04,0.52±0.04±0.05, and 0.66±0.05±0.07, respectively. © 1998 The American Physical Society.

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Measurement of the total cross section for [Formula presented]hadrons at [Formula presented] GeV

Physical Review D - Particles, Fields, Gravitation and Cosmology 57:3 (1998) 1350-1358

Authors:

R Ammar, P Baringer, A Bean, D Besson, D Coppage, C Darling, R Davis, N Hancock, S Kotov, I Kravchenko, N Kwak, MB Spencer, M Sung, A Undrus, R Wanke, A Wolf, MM Zoeller, B Gittelman, SW Gray, DL Hartill, BK Heltsley, PI Hopman, J Kandaswamy, PC Kim, DL Kreinick, T Lee, Y Liu, GS Ludwig, J Masui, J Mevissen, NB Mistry, CR Ng, E Nordberg, M Ogg, JR Patterson, D Peterson, D Riley, A Soffer, B Valant-Spaight, C Ward

Abstract:

Using the CLEO detector at the Cornell Electron Storage Ring, we have made a measurement of (Formula presented) at (Formula presented)=10.52 GeV. This implies a value for the strong coupling constant of (Formula presented), or (Formula presented). © 1998 The American Physical Society.

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Measurement of ℬ (D⁰ → K^-π⁺) Using Partial Reconstruction of Using Partial Reconstruction of ¯ B → D*⁺ Xℓ^- ¯v

Physical Review Letters 80:15 (1998) 3193-3197

Authors:

M Artuso, F Azfar, A Efimov, M Goldberg, D He, S Kopp, GC Moneti, R Mountain, S Schuh, T Skwarnicki, S Stone, G Viehhauser, X Xing, J Bartelt, SE Csorna, V Jain, KW McLean, S Marka, R Godang, K Kinoshita, IC Lai, P Pomianowski, S Schrenk, G Bonvicini, D Cinabro, R Greene, LP Perera, GJ Zhou, M Chadha, S Chan, G Eigen, JS Miller, C O’grady, M Schmidtler, J Urheim, AJ Weinstein, F Würthwein, DM Asner, J Gronberg, TS Hill, DJ Lange, RJ Morrison, HN Nelson, TK Nelson, D Roberts, A Ryd, R Balest, BH Behrens, WT Ford, H Park, J Roy, JG Smith, JP Alexander, R Baker, C Bebek, BE Berger, K Berkelman, K Bloom, V Boisvert, DG Cassel, DS Crowcroft, M Dickson, S Von Dombrowski, PS Drell, KM Ecklund, R Ehrlich, AD Foland, P Gaidarev, L Gibbons, B Gittelman, SW Gray, DL Hartill, BK Heltsley, PI Hopman, J Kandaswamy, PC Kim, DL Kreinick, T Lee, Y Liu, NB Mistry, CR Ng, E Nordberg, M Ogg, JR Patterson, D Peterson, D Riley, A Soffer, B Valant Spaight, C Ward, M Athanas, P Avery, CD Jones, M Lohner, S Patton, C Prescott, J Yelton, J Zheng, G Brandenburg, RA Briere, A Ershov

Abstract:

We present a measurement of the absolute branching fraction for D0 → K-π+ using the reconstruction of the decay chain ¯ B → D*+ Xℓ- ¯v where only the lepton and the low-momentum pion from the D*+ are detected. With data collected by the CLEO II detector at the Cornell Electron Storage Ring, we have determined B(D0 → K-π+)=[3.81±0.15(stat)±0.16(syst)]%. © 1998 The American Physical Society.

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Measurements of the meson-photon transition form factors of light pseudoscalar mesons at large momentum transfer

Physical Review D - Particles, Fields, Gravitation and Cosmology 57:1 (1998) 33-54

Authors:

J Gronberg, TS Hill, R Kutschke, DJ Lange, S Menary, RJ Morrison, HN Nelson, TK Nelson, C Qiao, JD Richman, D Roberts, A Ryd, MS Witherell, R Balest, BH Behrens, WT Ford, H Park, J Roy, JG Smith, JP Alexander, C Bebek, BE Berger, K Berkelman, K Bloom, DG Cassel, HA Cho, DM Coffman, DS Crowcroft, M Dickson, PS Drell, KM Ecklund, R Ehrlich, R Elia, AD Foland, P Gaidarev, RS Galik, B Gittelman, SW Gray, DL Hartill, BK Heltsley, PI Hopman, J Kandaswamy, PC Kim, DL Kreinick, T Lee, Y Liu, GS Ludwig, J Masui, J Mevissen, NB Mistry, CR Ng, E Nordberg, M Ogg, JR Patterson, D Peterson, D Riley, A Soffer, B Valant-Spaight, C Ward, M Athanas, P Avery, CD Jones, M Lohner, C Prescott, J Yelton, J Zheng, G Brandenburg, RA Briere, YS Gao, DYJ Kim, R Wilson, H Yamamoto, TE Browder, F Li, Y Li, JL Rodriguez, T Bergfeld, BI Eisenstein, J Ernst, GE Gladding, GD Gollin, RM Hans, E Johnson, I Karliner, MA Marsh, M Palmer, M Selen, JJ Thaler, KW Edwards, A Bellerive, R Janicek, DB Macfarlane, KW McLean, PM Patel, AJ Sadoff, R Ammar, P Baringer, A Bean, D Besson, D Coppage

Abstract:

Using the CLEO II detector, we have measured the differential cross sections for exclusive two-photon production of light pseudoscalar mesons (Formula presented) η, and (Formula presented) From our measurements we have obtained the form factors associated with the electromagnetic transitions (Formula presented) We have measured these form factors in the momentum transfer ranges from 1.5 to 9, 20, and (Formula presented) for (Formula presented) η, and (Formula presented) respectively, and have made comparisons to various theoretical predictions. © 1998 The American Physical Society.

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Georg Viehhauser

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Measurement of the branching ratios for the decays of Ds⁺ to ηπ⁺, η′π⁺, ηρ⁺, and η′ρ⁺

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Measurement of the branching fractions of Λc+→pK¯n(π)

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Measurement of the total cross section for [Formula presented]hadrons at [Formula presented] GeV

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Measurement of ℬ (D⁰ → K^-π⁺) Using Partial Reconstruction of Using Partial Reconstruction of ¯ B → D*⁺ Xℓ^- ¯v

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Measurements of the meson-photon transition form factors of light pseudoscalar mesons at large momentum transfer

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Georg Viehhauser

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Measurement of the branching ratios for the decays of Ds+ to ηπ+, η′π+, ηρ+, and η′ρ+

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Measurement of the branching fractions of Λc+→pK¯n(π)

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Measurement of the total cross section for [Formula presented]hadrons at [Formula presented] GeV

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Measurement of ℬ (D0 → K-π+) Using Partial Reconstruction of Using Partial Reconstruction of ¯ B → D*+ Xℓ- ¯v

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Measurements of the meson-photon transition form factors of light pseudoscalar mesons at large momentum transfer

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Measurement of the branching ratios for the decays of Ds⁺ to ηπ⁺, η′π⁺, ηρ⁺, and η′ρ⁺

Measurement of ℬ (D⁰ → K^-π⁺) Using Partial Reconstruction of Using Partial Reconstruction of ¯ B → D*⁺ Xℓ^- ¯v