Georg Viehhauser: Publications

Measurement of the direct photon spectrum in [Formula presented] decays

Physical Review D - Particles, Fields, Gravitation and Cosmology 55:9 (1997) 5273-5281

Authors:

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, 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, D Gibaut, 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, M Sivertz, 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

Abstract:

Using data taken with the CLEO II detector at the Cornell Electron Storage Ring, we have determined the ratio of branching fractions: [Formula presented]. From this ratio, we have determined the QCD scale parameter [Formula presented] (defined in the modified minimal subtraction scheme) to be [Formula presented] MeV, from which we determine a value for the strong coupling constant [Formula presented], or [Formula presented]. © 1997 The American Physical Society.

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New upper limit on the decay [Formula presented]

Physical Review D Particles Fields Gravitation and Cosmology 56:9 (1997) 5359-5365

Authors:

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, 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, KD Fisher, 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

Abstract:

We have searched for the rare decay of the [Formula presented] meson [Formula presented] using the CLEO II detector. The [Formula presented]’s were produced in [Formula presented] collisions with 10 GeV center-of-mass energy at the Cornell Electron Storage Ring (CESR). We find with [Formula presented] confidence the upper limit on the branching fraction [Formula presented]. The application of conventional elementary particle theory to this decay predicts a branching fraction of about [Formula presented]. © 1997 The American Physical Society.

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Observation of the Decay D⁺s→ωΠ

Physical Review Letters 79:8 (1997) 1436-1440

Authors:

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, 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 Mac Farlane, KW Mc Lean, 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, SJ Lee, JJ O’neill, S Patton

Abstract:

Using e+e- annihilation data collected by the CLEO II detector at CESR we have observed the decay D+s→ωΠ. This final state may be produced through the annihilation decay of the D+s or through final state interactions. We find a branching ratio of γD+s→ωΠ/D+s→ηΠ=0.16α0.04±0.03 where the first error is statistical and the second is systematic. © 1998 The American Physical Society.

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Search for neutrinoless [Formula presented] decays: [Formula presented] and [Formula presented]

Physical Review D - Particles, Fields, Gravitation and Cosmology 55:7 (1997) R3919-R3923

Authors:

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, 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, 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

Abstract:

A search for the lepton-family-number-violating decays [Formula presented] and [Formula presented] has been performed using CLEO II data. No evidence of a signal has been found and the corresponding upper limits are [Formula presented] and [Formula presented] at 90% C.L. © 1997 The American Physical Society.

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Search for neutrinoless τ decays involving π⁰ or η mensons

Physical Review Letters 79:7 (1997) 1221-1224

Authors:

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, DM Asner, DW Bliss, WS Brower, G Masek, HP Paar, S Prell, V Sharma, 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, 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, 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

Abstract:

We have searched for lepton flavor violating decays of the τ lepton using final states with an electron or a muon and one or two π0 or η mesons but no neutrinos. The data used in the search were collected with the CLEO II detector at the Cornell Electron Storage Ring (CESR) and correspond to an integrated luminosity of 4.68 fb−1. No evidence for signals was found, resulting in much improved limits on the branching fractions for the one-meson modes and the first upper limits for the two-meson modes. © 1997 The American Physical Society.

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Georg Viehhauser

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Measurement of the direct photon spectrum in [Formula presented] decays

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New upper limit on the decay [Formula presented]

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Observation of the Decay D⁺s→ωΠ

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Search for neutrinoless [Formula presented] decays: [Formula presented] and [Formula presented]

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Search for neutrinoless τ decays involving π⁰ or η mensons

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Georg Viehhauser

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Measurement of the direct photon spectrum in [Formula presented] decays

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New upper limit on the decay [Formula presented]

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Observation of the Decay D+s→ωΠ

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Search for neutrinoless [Formula presented] decays: [Formula presented] and [Formula presented]

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Search for neutrinoless τ decays involving π0 or η mensons

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Observation of the Decay D⁺s→ωΠ

Search for neutrinoless τ decays involving π⁰ or η mensons