Georg Viehhauser: Publications

Measurement of the branching ratios for the decays of Ds⁺ to ηπ⁺, η′π⁺, ηρ⁺, and η′ρ⁺ -: art. no. 052002

PHYSICAL REVIEW D 58:5 (1998) ARTN 052002

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, T Chadha, S Chan, G Eigen, JS Miller, C O'Grady, M Schmidtler, J Urheim, AJ Weinstein, F Wurthwein, DM Asner, DW Bliss, WS Brower, G Masek, HP Paar, V Sharma, J Gronberg, 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, K Cho, WT Ford, H Park, P Rankin, 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, B Gittelman, SW Gray, DL Hartill, BK Heltsley, PI Hopman, J Kandaswamy, N Katayama, 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, C Ward, M Athanas, P Avery, CD Jones, M Lohner, C Prescott, S Yang, 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, C Darling, R Davis, N Hancock, S Kotov, I Kravchenko, N Kwak, S Anderson, Y Kubota, M Lattery, JJ O'Neill, S Patton, R Poling, T Riehle, V Savinov, A Smith, MS Alam, SB Athar, Z Ling, AH Mahmood, H Severini, S Timm, F Wappler, A Anastassov, S Blinov, JE Duboscq, KD Fisher, D Fujino, R Fulton, 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 Wood, M Bishai, J Fast, E Gerndt, JW Hinson, N Menon, DH Miller, EI Shibata, IPJ Shipsey, M Yurko, L Gibbons, SD Johnson, Y Kwon, S Roberts, EH Thorndike

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Search for the decay B→D_s1⁺(2536)X

PHYSICAL REVIEW D 57:7 (1998) 3847-3853

Authors:

M Bishai, J Fast, JW Hinson, N Menon, DH Miller, EI Shibata, IPJ Shipsey, M Yurko, S Glenn, SD Johnson, Y Kwon, S Roberts, EH Thorndike, CP Jessop, K Lingel, H Marsiske, ML Perl, V Savinov, D Ugolini, R Wang, X Zhou, TE Toan, V Fadeyev, I Korolkov, Y Maravin, I Narsky, V Shelkov, J Staeck, R Stroynowski, I Volobouev, J Ye, 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 Bartel, 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 Wurthwein, DW Bliss, G Masek, HP Paar, S Prell, V Sharma, DM Asner, J Gronberg, TS Hill, DJ Lange, RJ Morrison, HN Nelson, TK Nelson, JD Richman, D Roberts, A Ryd, MS Witherell, R Balest, BH Behrens, WT Ford, A Gritsan, H Park, J Roy, JG Smith, JP Alexander, C Bebek, BE Berger, K Berkelman, K Bloom, V Boisvert, DG Cassel, HA Cho, 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, C Prescott, J Yelton, J Zheng, G Brandenburg, RA Briere, A Ershov, YS Gao, DYJ Kim, R Wilson, H Yamamoto, TE Browder, 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, PM Patel, AJ Sadoff, R Ammar, P Baringer, A Bean, D Besson, D Coppage, C Darling, R Davis, S Kotov, I Kravchenko, N Kwak, L Zhou, S Anderson, Y Kubota, SJ Lee, JJ O'Neill, S Patton, R Poling, T Riehle, A Smith, 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

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Status of construction and first tests of the CLEO III RICH

(1998) 348-352

Authors:

M Artuso, F Azfar, A Efimov, S Kopp, R Mountain, S Schuh, T Skwarnicki, S Stone, G Viehhauser, S Anderson, A Smith, Y Kubota, E Lipeles, T Coan, J Staeck, V Fadeyev, I Volobouev, J Ye

Abstract:

The CLEO collaboration is preparing a major upgrade of its present detector including a RICH detector for particle identification. This subdetector system follows the 'proximity focussing' design and uses LiF crystal radiators and MWPCs filled with a CH4/TEA gas mixture as photon detector. Part of the radiator crystals will have the new 'sawtooth' geometry.We have constructed two of the 30 detector modules and tested these together with the first planar and 'sawtooth' radiator crystals in a muon halo beam at Fermilab. For the measurement of the Cherenkov angle we obtain a single photon measurement error of 13.5 mrad for the conventional planar radiator. With 14 detected photons we find a resolution per track of 4.5 mrad. In the first measurement ever of a 'sawtooth' radiator we achieve a resolution of 11.8 mrad for single photons and 4.8 mrad per track for 12.3 detected photons with a reduced geometric acceptance. These results fulfill CLEO III requirements.

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Two-body B meson decays to η and η′:: Observation of B→η′K

PHYSICAL REVIEW LETTERS 80:17 (1998) 3710-3714

Authors:

BH Behrens, WT Ford, A Gritsan, H Krieg, J Roy, JG Smith, M Zhao, 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, YS Gao, DYJ Kim, R Wilson, H Yamamoto, TE Browder, 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, PM Patel, AJ Sadoff, R Ammar, P Baringer, A Bean, D Besson, D Coppage, C Darling, R Davis, S Kotov, I Kravchenko, N Kwak, L Zhou, S Anderson, Y Kubota, SJ Lee, JJ O'Neill, R Poling, T Riehle, A Smith, MS Alam, SB Athar, Z Ling, AH Mahmood, 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, A Wolf, MM Zoeller, B Nemati, SJ Richichi, WR Ross, H Severini, P Skubic, M Bishai, J Fast, JW Hinson, N Menon, DH Miller, EI Shibata, IPJ Shipsey, M Yurko, S Glenn, Y Kwon, S Roberts, EH Thorndike, CP Jessop, K Lingel, H Marsiske, ML Perl, V Savinov, 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, 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 Wurthwein, DW Bliss, G Masek, HP Paar, S Prell, V Sharma, DM Asner, J Gronberg, TS Hill, DJ Lange, RJ Morrison, HN Nelson, TK Nelson, D Roberts, A Ryd

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First observation of τ → 3πηντ and τ → f1 πντ decays

Physical Review Letters 79:13 (1997) 2406-2410

Authors:

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, PM Patel, AJ Sadoff, R Ammar, P Baringer, A Bean, D Besson, D Coppage, C Darling, R Davis, N Hancock, S Kotov, I Kravchenko, N Kwak, S Anderson, Y Kubota, SJ Lee, JJ O’neill, S Patton, R Poling, T Riehle, V Savinov, A Smith, MS Alam, SB Athar, Z Ling, AH Mahmood, H Severini, S Timm, F Wappler, A Anastassov, S Blinov, 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, E Gerndt, 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 Gao

Abstract:

We have observed new channels for τ decays with an η in the final state. We study 3-prong tau decays, using the η → γγ and η → 3π0 decay modes and 1-prong decays with two π0’s using the η → γγ channel. The measured branching fractions are B(τ → π−π−π+ηντ = (3.4+0.6-0.5 ± 0.6) × 10-4 and B(τ− → π−2π0ηντ = (1.4 ± 0.6 ± 0.3) × 10-4. We observe clear evidence for f1 → ηππ substructure and measure B(τ− → f1π−ντ) = (5.8+1.4-1.3 ± 1.8) × 10-4. We have also searched for η′(958) production and obtain 90% C.L. upper limits B(τ → π−η′ντ) < 7.4 × 10-5 and B(τ → π−π0η′ντ) < 8.0 × 10-5. © 1997 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⁺ -: art. no. 052002

Authors:

Search for the decay B→D_s1⁺(2536)X

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Status of construction and first tests of the CLEO III RICH

Authors:

Abstract:

Two-body B meson decays to η and η′:: Observation of B→η′K

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First observation of τ → 3πηντ and τ → f1 πντ decays

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Measurement of the branching ratios for the decays of Ds+ to ηπ+, η′π+, ηρ+, and η′ρ+ -: art. no. 052002

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Search for the decay B→Ds1+(2536)X

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Status of construction and first tests of the CLEO III RICH

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Abstract:

Two-body B meson decays to η and η′:: Observation of B→η′K

Authors:

First observation of τ → 3πηντ and τ → f1 πντ decays

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Abstract:

Measurement of the branching ratios for the decays of Ds⁺ to ηπ⁺, η′π⁺, ηρ⁺, and η′ρ⁺ -: art. no. 052002

Search for the decay B→D_s1⁺(2536)X