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  1. Article: Observation of discrete energy levels in a quantum confined system.

    Adams, L L A / Lang, B W / Goldman, A M

    Physical review letters

    2005  Volume 95, Issue 14, Page(s) 146804

    Abstract: Low temperature scanning tunneling microscope images and spectroscopic data have been obtained on subnanometer size Pb clusters fabricated using the technique of buffer layer assisted growth. Discrete energy levels were resolved in current-voltage ... ...

    Abstract Low temperature scanning tunneling microscope images and spectroscopic data have been obtained on subnanometer size Pb clusters fabricated using the technique of buffer layer assisted growth. Discrete energy levels were resolved in current-voltage characteristics as current peaks rather than current steps. Distributions of peak voltage spacings and peak current heights were consistent with Wigner-Dyson and Porter-Thomas distributions, respectively, suggesting the relevance of random matrix theory to the description of the electronic eigenstates of the clusters. The observation of peaks rather than steps in the current-voltage characteristics is attributed to a resonant tunneling process involving the discrete energy levels of the cluster, the tip, and the states at the interface between the cluster and the substrate surface.
    Language English
    Publishing date 2005-09-30
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.95.146804
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Observation of D+ --> etae + nue.

    Mitchell, R E / Shepherd, M R / Besson, D / Pedlar, T K / Cronin-Hennessy, D / Gao, K Y / Hietala, J / Kubota, Y / Klein, T / Lang, B W / Poling, R / Scott, A W / Smith, A / Zweber, P / Dobbs, S / Metreveli, Z / Seth, K K / Tomaradze, A / Ernst, J /
    Ecklund, K M / Severini, H / Love, W / Savinov, V / Aquines, O / Lopez, A / Mehrabyan, S / Mendez, H / Ramirez, J / Huang, G S / Miller, D H / Pavlunin, V / Sanghi, B / Shipsey, I P J / Xin, B / Adams, G S / Anderson, M / Cummings, J P / Danko, I / Hu, D / Moziak, B / Napolitano, J / He, Q / Insler, J / Muramatsu, H / Park, C S / Thorndike, E H / Yang, F / Artuso, M / Blusk, S / Butt, J / Li, J / Menaa, N / Mountain, R / Nisar, S / Randrianarivony, K / Sia, R / Skwarnicki, T / Stone, S / Wang, J C / Zhang, K / Bonvicini, G / Cinabro, D / Dubrovin, M / Lincoln, A / Asner, D M / Edwards, K W / Naik, P / Briere, R A / Ferguson, T / Tatishvili, G / Vogel, H / Watkins, M E / Rosner, J L / Adam, N E / Alexander, J P / Cassel, D G / Duboscq, J E / Ehrlich, R / Fields, L / Galik, R S / Gibbons, L / Gray, R / Gray, S W / Hartill, D L / Heltsley, B K / Hertz, D / Jones, C D / Kandaswamy, J / Kreinick, D L / Kuznetsov, V E / Mahlke-Krüger, H / Mohapatra, D / Onyisi, P U E / Patterson, J R / Peterson, D / Pivarski, J / Riley, D / Ryd, A / Sadoff, A J / Schwarthoff, H / Shi, X / Stroiney, S / Sun, W M / Wilksen, T / Athar, S B / Patel, R / Potlia, V / Yelton, J / Rubin, P / Cawlfield, C / Eisenstein, B I / Karliner, I / Kim, D / Lowrey, N / Selen, M / White, E J / Wiss, J

    Physical review letters

    2009  Volume 102, Issue 8, Page(s) 81801

    Abstract: Using a 281 pb-1 data sample collected at the psi(3770) resonance with the CLEO-c detector at the Cornell Electron Storage Ring, we report the first observation of D+ --> etae + nue. We also set upper limits for D+ --> eta'e + nue and D + --> varphie + ... ...

    Abstract Using a 281 pb-1 data sample collected at the psi(3770) resonance with the CLEO-c detector at the Cornell Electron Storage Ring, we report the first observation of D+ --> etae + nue. We also set upper limits for D+ --> eta'e + nue and D + --> varphie + nue that are about 2 orders of magnitude more restrictive than those obtained by previous experiments.
    Language English
    Publishing date 2009-02-27
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.102.081801
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  3. Article: J/psi and psi(2S) Radiative Transitions to eta_{c}.

    Mitchell, R E / Shepherd, M R / Besson, D / Pedlar, T K / Cronin-Hennessy, D / Gao, K Y / Hietala, J / Kubota, Y / Klein, T / Lang, B W / Poling, R / Scott, A W / Zweber, P / Dobbs, S / Metreveli, Z / Seth, K K / Tomaradze, A / Libby, J / Powell, A /
    Wilkinson, G / Ecklund, K M / Love, W / Savinov, V / Lopez, A / Mendez, H / Ramirez, J / Ge, J Y / Miller, D H / Shipsey, I P J / Xin, B / Adams, G S / Anderson, M / Cummings, J P / Danko, I / Hu, D / Moziak, B / Napolitano, J / He, Q / Insler, J / Muramatsu, H / Park, C S / Thorndike, E H / Yang, F / Artuso, M / Blusk, S / Khalil, S / Li, J / Mountain, R / Nisar, S / Randrianarivony, K / Sultana, N / Skwarnicki, T / Stone, S / Wang, J C / Zhang, L M / Bonvicini, G / Cinabro, D / Dubrovin, M / Lincoln, A / Naik, P / Rademacker, J / Asner, D M / Edwards, K W / Reed, J / Briere, R A / Ferguson, T / Tatishvili, G / Vogel, H / Watkins, M E / Rosner, J L / Alexander, J P / Cassel, D G / Duboscq, J E / Ehrlich, R / Fields, L / Galik, R S / Gibbons, L / Gray, R / Gray, S W / Hartill, D L / Heltsley, B K / Hertz, D / Hunt, J M / Kandaswamy, J / Kreinick, D L / Kuznetsov, V E / Ledoux, J / Mahlke-Krüger, H / Mohapatra, D / Onyisi, P U E / Patterson, J R / Peterson, D / Riley, D / Ryd, A / Sadoff, A J / Shi, X / Stroiney, S / Sun, W M / Wilksen, T / Athar, S B / Patel, R / Yelton, J / Rubin, P / Eisenstein, B I / Karliner, I / Mehrabyan, S / Lowrey, N / Selen, M / White, E J / Wiss, J

    Physical review letters

    2009  Volume 102, Issue 1, Page(s) 11801

    Abstract: Using 2.45x10;{7} psi(2S) decays collected with the CLEO-c detector at the Cornell Electron Storage Ring we present the most precise measurements of magnetic dipole transitions in the charmonium system. We measure B(psi(2S)-->gammaeta_{c})=(4.32+/-0.16+/- ...

    Abstract Using 2.45x10;{7} psi(2S) decays collected with the CLEO-c detector at the Cornell Electron Storage Ring we present the most precise measurements of magnetic dipole transitions in the charmonium system. We measure B(psi(2S)-->gammaeta_{c})=(4.32+/-0.16+/-0.60)x10;{-3}, B(J/psi-->gammaeta_{c})/B(psi(2S)-->gammaeta_{c})=4.59+/-0.23+/-0.64, and B(J/psi-->gammaeta_{c})=(1.98+/-0.09+/-0.30)%. We observe a distortion in the eta_{c} line shape due to the photon-energy dependence of the magnetic dipole transition rate. We find that measurements of the eta_{c} mass are sensitive to the line shape, suggesting an explanation for the discrepancy between measurements of the eta_{c} mass in radiative transitions and other production mechanisms.
    Language English
    Publishing date 2009-01-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.102.011801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Comparison of D--> KS0 pi and D--> KL0 pi decay rates.

    He, Q / Insler, J / Muramatsu, H / Park, C S / Thorndike, E H / Yang, F / Coan, T E / Gao, Y S / Artuso, M / Blusk, S / Butt, J / Li, J / Menaa, N / Mountain, R / Nisar, S / Randrianarivony, K / Sia, R / Skwarnicki, T / Stone, S /
    Wang, J C / Zhang, K / Bonvicini, G / Cinabro, D / Dubrovin, M / Lincoln, A / Asner, D M / Edwards, K W / Briere, R A / Ferguson, T / Tatishvili, G / Vogel, H / Watkins, M E / Rosner, J L / Adam, N E / Alexander, J P / Cassel, D G / Duboscq, J E / Ehrlich, R / Fields, L / Gibbons, L / Gray, R / Gray, S W / Hartill, D L / Heltsley, B K / Hertz, D / Jones, C D / Kandaswamy, J / Kreinick, D L / Kuznetsov, V E / Mahlke-Krüger, H / Onyisi, P U E / Patterson, J R / Peterson, D / Pivarski, J / Riley, D / Ryd, A / Sadoff, A J / Schwarthoff, H / Shi, X / Stroiney, S / Sun, W M / Wilksen, T / Weinberger, M / Athar, S B / Patel, R / Potlia, V / Yelton, J / Rubin, P / Cawlfield, C / Eisenstein, B I / Karliner, I / Kim, D / Lowrey, N / Naik, P / Selen, M / White, E J / Wiss, J / Mitchell, R E / Shepherd, M R / Besson, D / Pedlar, T K / Cronin-Hennessy, D / Gao, K Y / Hietala, J / Kubota, Y / Klein, T / Lang, B W / Poling, R / Scott, A W / Smith, A / Zweber, P / Dobbs, S / Metreveli, Z / Seth, K K / Tomaradze, A / Ernst, J / Ecklund, K M / Severini, H / Love, W / Savinov, V / Aquines, O / Li, Z / Lopez, A / Mehrabyan, S / Mendez, H / Ramirez, J / Huang, G S / Miller, D H / Pavlunin, V / Sanghi, B / Shipsey, I P J / Xin, B / Adams, G S / Anderson, M / Cummings, J P / Danko, I / Hu, D / Moziak, B / Napolitano, J

    Physical review letters

    2008  Volume 100, Issue 9, Page(s) 91801

    Abstract: We present measurements of D--> KS0 pi and D--> KL0 pi branching fractions using 281 pb(-1) of psi(3770) data at the CLEO-c experiment. We find that B(D0--> KS0 pi 0) is larger than B(D0--> KL0 pi 0), with an asymmetry of R(D0)=0.108+/-0.025+/-0.024. For ...

    Abstract We present measurements of D--> KS0 pi and D--> KL0 pi branching fractions using 281 pb(-1) of psi(3770) data at the CLEO-c experiment. We find that B(D0--> KS0 pi 0) is larger than B(D0--> KL0 pi 0), with an asymmetry of R(D0)=0.108+/-0.025+/-0.024. For B(D+--> KS0 pi+) and B(D+--> KL0 pi+), we observe no measurable difference; the asymmetry is R(D+)=0.022+/-0.016+/-0.018. The D0 asymmetry is consistent with the value based on the U-spin prediction A(D0--> K0 pi 0)/A(D0--> K0 pi 0)=-tan2 theta C, where theta C is the Cabibbo angle.
    Language English
    Publishing date 2008-03-07
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.100.091801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: First observation of the decay Ds+-->pn.

    Athar, S B / Patel, R / Yelton, J / Rubin, P / Eisenstein, B I / Karliner, I / Mehrabyan, S / Lowrey, N / Selen, M / White, E J / Wiss, J / Mitchell, R E / Shepherd, M R / Besson, D / Pedlar, T K / Cronin-Hennessy, D / Gao, K Y / Hietala, J / Kubota, Y /
    Klein, T / Lang, B W / Poling, R / Scott, A W / Zweber, P / Dobbs, S / Metreveli, Z / Seth, K K / Tomaradze, A / Libby, J / Powell, A / Wilkinson, G / Ecklund, K M / Love, W / Savinov, V / Lopez, A / Mendez, H / Ramirez, J / Ge, J Y / Miller, D H / Shipsey, I P J / Xin, B / Adams, G S / Anderson, M / Cummings, J P / Danko, I / Hu, D / Moziak, B / Napolitano, J / He, Q / Insler, J / Muramatsu, H / Park, C S / Thorndike, E H / Yang, F / Artuso, M / Blusk, S / Khalil, S / Li, J / Mountain, R / Nisar, S / Randrianarivony, K / Sultana, N / Skwarnicki, T / Stone, S / Wang, J C / Zhang, L M / Bonvicini, G / Cinabro, D / Dubrovin, M / Lincoln, A / Naik, P / Rademacker, J / Asner, D M / Edwards, K W / Reed, J / Briere, R A / Ferguson, T / Tatishvili, G / Vogel, H / Watkins, M E / Rosner, J L / Alexander, J P / Cassel, D G / Duboscq, J E / Ehrlich, R / Fields, L / Gibbons, L / Gray, R / Gray, S W / Hartill, D L / Heltsley, B K / Hertz, D / Hunt, J M / Kandaswamy, J / Kreinick, D L / Kuznetsov, V E / Ledoux, J / Mahlke-Krüger, H / Mohapatra, D / Onyisi, P U E / Patterson, J R / Peterson, D / Riley, D / Ryd, A / Sadoff, A J / Shi, X / Stroiney, S / Sun, W M / Wilksen, T

    Physical review letters

    2008  Volume 100, Issue 18, Page(s) 181802

    Abstract: Using e+e--->Ds*-Ds+ data collected near the peak Ds production energy, Ecm=4170 MeV, with the CLEO-c detector, we present the first observation of the decay Ds+-->pn. We measure a branching fraction B(Ds+-->pn)=(1.30+/-0.36(-0.16)+0.12)x10(-3). This is ... ...

    Abstract Using e+e--->Ds*-Ds+ data collected near the peak Ds production energy, Ecm=4170 MeV, with the CLEO-c detector, we present the first observation of the decay Ds+-->pn. We measure a branching fraction B(Ds+-->pn)=(1.30+/-0.36(-0.16)+0.12)x10(-3). This is the first observation of a charmed meson decaying into a baryon-antibaryon final state.
    Language English
    Publishing date 2008-05-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.100.181802
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Determination of the strong phase in D0-->K+pi- using quantum-correlated measurements.

    Rosner, J L / Alexander, J P / Cassel, D G / Duboscq, J E / Ehrlich, R / Fields, L / Gibbons, L / Gray, R / Gray, S W / Hartill, D L / Heltsley, B K / Hertz, D / Jones, C D / Kandaswamy, J / Kreinick, D L / Kuznetsov, V E / Mahlke-Krüger, H / Mohapatra, D / Onyisi, P U E /
    Patterson, J R / Peterson, D / Riley, D / Ryd, A / Sadoff, A J / Shi, X / Stroiney, S / Sun, W M / Wilksen, T / Athar, S B / Patel, R / Yelton, J / Rubin, P / Eisenstein, B I / Karliner, I / Mehrabyan, S / Lowrey, N / Selen, M / White, E J / Wiss, J / Mitchell, R E / Shepherd, M R / Besson, D / Pedlar, T K / Cronin-Hennessy, D / Gao, K Y / Hietala, J / Kubota, Y / Klein, T / Lang, B W / Poling, R / Scott, A W / Zweber, P / Dobbs, S / Metreveli, Z / Seth, K K / Tomaradze, A / Libby, J / Powell, A / Wilkinson, G / Ecklund, K M / Love, W / Savinov, V / Lopez, A / Mendez, H / Ramirez, J / Ge, J Y / Miller, D H / Sanghi, B / Shipsey, I P J / Xin, B / Adams, G S / Anderson, M / Cummings, J P / Danko, I / Hu, D / Moziak, B / Napolitano, J / He, Q / Insler, J / Muramatsu, H / Park, C S / Thorndike, E H / Yang, F / Artuso, M / Blusk, S / Khalil, S / Li, J / Mountain, R / Nisar, S / Randrianarivony, K / Sultana, N / Skwarnicki, T / Stone, S / Wang, J C / Zhang, L M / Bonvicini, G / Cinabro, D / Dubrovin, M / Lincoln, A / Rademacker, J / Asner, D M / Edwards, K W / Naik, P / Briere, R A / Ferguson, T / Tatishvili, G / Vogel, H / Watkins, M E

    Physical review letters

    2008  Volume 100, Issue 22, Page(s) 221801

    Abstract: We exploit the quantum coherence between pair-produced D0 and D[over]0 in psi(3770) decays to study charm mixing, which is characterized by the parameters x and y, and to make a first determination of the relative strong phase delta between D0-->K+pi- ... ...

    Abstract We exploit the quantum coherence between pair-produced D0 and D[over]0 in psi(3770) decays to study charm mixing, which is characterized by the parameters x and y, and to make a first determination of the relative strong phase delta between D0-->K+pi- and D[over]0-->K+pi-. Using 281 pb(-1) of e+e- collision data collected with the CLEO-c detector at Ecm=3.77 GeV, as well as branching fraction input and time-integrated measurements of RM identical with (x2 + y2)/2 and RWS identical with Gamma(D0-->K+pi-)/Gamma(D[over]0-->K+pi-) from other experiments, we find cosdelta=1.03(-0.17)(+0.31)+/-0.06, where the uncertainties are statistical and systematic, respectively. By further including other mixing parameter measurements, we obtain an alternate measurement of cosdelta=1.10+/-0.35+/-0.07, as well as x sindelta=(4.4(-1.8)(+2.7)+/-2.9)x10(-3) and delta=(22(-12-11)(+11+9)) degrees .
    Language English
    Publishing date 2008-06-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.100.221801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article: Absolute measurement of hadronic branching fractions of the Ds+ meson.

    Alexander, J P / Berkelman, K / Cassel, D G / Duboscq, J E / Ehrlich, R / Fields, L / Gibbons, L / Gray, R / Gray, S W / Hartill, D L / Heltsley, B K / Hertz, D / Jones, C D / Kandaswamy, J / Kreinick, D L / Kuznetsov, V E / Mahlke-Krüger, H / Mohapatra, D / Onyisi, P U E /
    Patterson, J R / Peterson, D / Riley, D / Ryd, A / Sadoff, A J / Shi, X / Stroiney, S / Sun, W M / Wilksen, T / Athar, S B / Patel, R / Yelton, J / Rubin, P / Eisenstein, B I / Karliner, I / Mehrabyan, S / Lowrey, N / Selen, M / White, E J / Wiss, J / Mitchell, R E / Shepherd, M R / Besson, D / Pedlar, T K / Cronin-Hennessy, D / Gao, K Y / Hietala, J / Kubota, Y / Klein, T / Lang, B W / Poling, R / Scott, A W / Zweber, P / Dobbs, S / Metreveli, Z / Seth, K K / Tomaradze, A / Libby, J / Powell, A / Wilkinson, G / Ecklund, K M / Love, W / Savinov, V / Lopez, A / Mendez, H / Ramirez, J / Ge, J Y / Miller, D H / Sanghi, B / Shipsey, I P J / Xin, B / Adams, G S / Anderson, M / Cummings, J P / Danko, I / Hu, D / Moziak, B / Napolitano, J / He, Q / Insler, J / Muramatsu, H / Park, C S / Thorndike, E H / Yang, F / Artuso, M / Blusk, S / Khalil, S / Li, J / Mountain, R / Nisar, S / Randrianarivony, K / Sultana, N / Skwarnicki, T / Stone, S / Wang, J C / Zhang, L M / Bonvicini, G / Cinabro, D / Dubrovin, M / Lincoln, A / Rademacker, J / Asner, D M / Edwards, K W / Naik, P / Briere, R A / Ferguson, T / Tatishvili, G / Vogel, H / Watkins, M E / Rosner, J L

    Physical review letters

    2008  Volume 100, Issue 16, Page(s) 161804

    Abstract: The branching fractions of D(s)(+/-) meson decays serve to normalize many measurements of processes involving charm quarks. Using 298 pb(-1) of e(+)e(-) collisions recorded at a center of mass energy of 4.17 GeV, we determine absolute branching fractions ...

    Abstract The branching fractions of D(s)(+/-) meson decays serve to normalize many measurements of processes involving charm quarks. Using 298 pb(-1) of e(+)e(-) collisions recorded at a center of mass energy of 4.17 GeV, we determine absolute branching fractions for eight D(s)(+/-) decays with a double tag technique. In particular we determine the branching fraction B(D(s)(+)-->K(-)K(+}pi(+))=(5.50+/-0.23+/-0.16)%, where the uncertainties are statistical and systematic, respectively. We also provide partial branching fractions for kinematic subsets of the K(-)K(+)pi(+) decay mode.
    Language English
    Publishing date 2008-04-25
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.100.161804
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Measurement of the absolute branching fraction of Ds+ --> tau+ nutau decay.

    Ecklund, K M / Love, W / Savinov, V / Lopez, A / Mendez, H / Ramirez, J / Ge, J Y / Miller, D H / Shipsey, I P J / Xin, B / Adams, G S / Anderson, M / Cummings, J P / Danko, I / Hu, D / Moziak, B / Napolitano, J / He, Q / Insler, J /
    Muramatsu, H / Park, C S / Thorndike, E H / Yang, F / Artuso, M / Blusk, S / Khalil, S / Li, J / Mountain, R / Nisar, S / Randrianarivony, K / Sultana, N / Skwarnicki, T / Stone, S / Wang, J C / Zhang, L M / Bonvicini, G / Cinabro, D / Dubrovin, M / Lincoln, A / Rademacker, J / Asner, D M / Edwards, K W / Naik, P / Reed, J / Briere, R A / Ferguson, T / Tatishvili, G / Vogel, H / Watkins, M E / Rosner, J L / Alexander, J P / Cassel, D G / Duboscq, J E / Ehrlich, R / Fields, L / Gibbons, L / Gray, R / Gray, S W / Hartill, D L / Heltsley, B K / Hertz, D / Jones, C D / Kandaswamy, J / Kreinick, D L / Kuznetsov, V E / Mahlke-Krüger, H / Mohapatra, D / Onyisi, P U E / Patterson, J R / Peterson, D / Riley, D / Ryd, A / Sadoff, A J / Shi, X / Stroiney, S / Sun, W M / Wilksen, T / Athar, S B / Patel, R / Yelton, J / Rubin, P / Eisenstein, B I / Karliner, I / Mehrabyan, S / Lowrey, N / Selen, M / White, E J / Wiss, J / Mitchell, R E / Shepherd, M R / Besson, D / Pedlar, T K / Cronin-Hennessy, D / Gao, K Y / Hietala, J / Kubota, Y / Klein, T / Lang, B W / Poling, R / Scott, A W / Zweber, P / Dobbs, S / Metreveli, Z / Seth, K K / Tomaradze, A / Libby, J / Powell, A / Wilkinson, G

    Physical review letters

    2008  Volume 100, Issue 16, Page(s) 161801

    Abstract: Using a sample of tagged D(s)(+) decays collected near the D(s)(*+/-)D(s)(-/+) peak production energy in e(+)e(-) collisions with the CLEO-c detector, we study the leptonic decay D(s)(+)-->tau(+)nu(tau) via the decay channel tau(+)-->e(+)nu(e)nu(tau). We ...

    Abstract Using a sample of tagged D(s)(+) decays collected near the D(s)(*+/-)D(s)(-/+) peak production energy in e(+)e(-) collisions with the CLEO-c detector, we study the leptonic decay D(s)(+)-->tau(+)nu(tau) via the decay channel tau(+)-->e(+)nu(e)nu(tau). We measure B(D(s)(+)-->tau(+)nu(tau))=(6.17+/-0.71+/-0.34)%, where the first error is statistical and the second systematic. Combining this result with our measurements of D(s)(+)-->mu(+)nu(mu) and D(s)(+)-->tau(+)nu(tau) (via tau(+)-->pi(+)nu(tau)), we determine f(D(s))=(274+/-10+/-5) MeV.
    Language English
    Publishing date 2008-04-25
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.100.161801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article: Study of the decays D0-->pi{-}e{+}nu{e}, D{0}-->K{-}e{+}nu{e}, D{+}-->pi{0}e{+}nu{e}, and D{+}-->K0e{+}nu{e}.

    Cronin-Hennessy, D / Gao, K Y / Gong, D T / Hietala, J / Kubota, Y / Klein, T / Lang, B W / Poling, R / Scott, A W / Smith, A / Zweber, P / Dobbs, S / Metreveli, Z / Seth, K K / Tomaradze, A / Ernst, J / Severini, H / Dytman, S A / Love, W /
    Savinov, V / Aquines, O / Li, Z / Lopez, A / Mehrabyan, S / Mendez, H / Ramirez, J / Huang, G S / Miller, D H / Pavlunin, V / Sanghi, B / Shipsey, I P J / Xin, B / Adams, G S / Anderson, M / Cummings, J P / Danko, I / Napolitano, J / He, Q / Insler, J / Muramatsu, H / Park, C S / Thorndike, E H / Yang, F / Coan, T E / Gao, Y S / Liu, F / Artuso, M / Blusk, S / Butt, J / Li, J / Menaa, N / Mountain, R / Nisar, S / Randrianarivony, K / Redjimi, R / Sia, R / Skwarnicki, T / Stone, S / Wang, J C / Zhang, K / Csorna, S E / Bonvicini, G / Cinabro, D / Dubrovin, M / Lincoln, A / Asner, D M / Edwards, K W / Briere, R A / Brock, I / Chen, J / Ferguson, T / Tatishvili, G / Vogel, H / Watkins, M E / Rosner, J L / Adam, N E / Alexander, J P / Berkelman, K / Cassel, D G / Duboscq, J E / Ecklund, K M / Ehrlich, R / Fields, L / Gibbons, L / Gray, R / Gray, S W / Hartill, D L / Heltsley, B K / Hertz, D / Jones, C D / Kandaswamy, J / Kreinick, D L / Kuznetsov, V E / Mahlke-Krüger, H / Onyisi, P U E / Patterson, J R / Peterson, D / Pivarski, J / Riley, D / Ryd, A / Sadoff, A J / Schwarthoff, H / Shi, X / Stroiney, S / Sun, W M / Wilksen, T / Weinberger, M / Athar, S B / Patel, R / Potlia, V / Yelton, J / Rubin, P / Cawlfield, C / Eisenstein, B I / Karliner, I / Kim, D / Lowrey, N / Naik, P / Sedlack, C / Selen, M / White, E J / Wiss, J / Shepherd, M R / Besson, D / Pedlar, T K

    Physical review letters

    2008  Volume 100, Issue 25, Page(s) 251802

    Abstract: By using 1.8x10{6} DDpairs, we have measured B(D{0}-->pi{-}e{+}nu{e})=0.299(11)(9)%, B(D{+}-->pi{0}e{+}nu{e})=0.373(22)(13)%, B(D{0}-->K{-}e{+}nu{e})=3.56(3)(9)%, and B(D{+}-->K{0}e{+}nu{e})=8.53(13)(23)% and have studied the q;{2} dependence of the form ...

    Abstract By using 1.8x10{6} DDpairs, we have measured B(D{0}-->pi{-}e{+}nu{e})=0.299(11)(9)%, B(D{+}-->pi{0}e{+}nu{e})=0.373(22)(13)%, B(D{0}-->K{-}e{+}nu{e})=3.56(3)(9)%, and B(D{+}-->K{0}e{+}nu{e})=8.53(13)(23)% and have studied the q;{2} dependence of the form factors. By combining our results with recent lattice calculations, we obtain |V{cd}|=0.217(9)(4)(23) and |V{cs}|=1.015(10)(11)(106).
    Language English
    Publishing date 2008-06-27
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.100.251802
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: Observation of Upsilon(2S)-->etaUpsilon(1S) and search for related transitions.

    He, Q / Insler, J / Muramatsu, H / Park, C S / Thorndike, E H / Yang, F / Artuso, M / Blusk, S / Khalil, S / Li, J / Mountain, R / Nisar, S / Randrianarivony, K / Sultana, N / Skwarnicki, T / Stone, S / Wang, J C / Zhang, L M / Bonvicini, G /
    Cinabro, D / Dubrovin, M / Lincoln, A / Naik, P / Rademacker, J / Asner, D M / Edwards, K W / Reed, J / Briere, R A / Ferguson, T / Tatishvili, G / Vogel, H / Watkins, M E / Rosner, J L / Alexander, J P / Cassel, D G / Duboscq, J E / Ehrlich, R / Fields, L / Galik, R S / Gibbons, L / Gray, R / Gray, S W / Hartill, D L / Heltsley, B K / Hertz, D / Hunt, J M / Kandaswamy, J / Kreinick, D L / Kuznetsov, V E / Ledoux, J / Mahlke-Krüger, H / Mohapatra, D / Onyisi, P U E / Patterson, J R / Peterson, D / Riley, D / Ryd, A / Sadoff, A J / Shi, X / Stroiney, S / Sun, W M / Wilksen, T / Athar, S B / Patel, R / Yelton, J / Rubin, P / Eisenstein, B I / Karliner, I / Mehrabyan, S / Lowrey, N / Selen, M / White, E J / Wiss, J / Mitchell, R E / Shepherd, M R / Besson, D / Pedlar, T K / Xavier, J V / Cronin-Hennessy, D / Gao, K Y / Hietala, J / Kubota, Y / Klein, T / Lang, B W / Poling, R / Scott, A W / Zweber, P / Dobbs, S / Metreveli, Z / Seth, K K / Tomaradze, A / Libby, J / Martin, L / Powell, A / Wilkinson, G / Ecklund, K M / Love, W / Savinov, V / Mendez, H / Ge, J Y / Miller, D H / Shipsey, I P J / Xin, B / Adams, G S / Anderson, M / Cummings, J P / Danko, I / Hu, D / Moziak, B / Napolitano, J

    Physical review letters

    2008  Volume 101, Issue 19, Page(s) 192001

    Abstract: We report the first observation of Upsilon(2S)-->etaUpsilon(1S), with a branching fraction B=(2.1(-0.6)+0.7(stat)+/-0.3(syst)) x 10(-4) and a statistical significance 5.3sigma. Data were acquired with the CLEO III detector at the CESR e+e(-) symmetric ... ...

    Abstract We report the first observation of Upsilon(2S)-->etaUpsilon(1S), with a branching fraction B=(2.1(-0.6)+0.7(stat)+/-0.3(syst)) x 10(-4) and a statistical significance 5.3sigma. Data were acquired with the CLEO III detector at the CESR e+e(-) symmetric collider. This is the first process observed involving a b-quark spin flip. For related transitions, 90% confidence limits in units of 10(-4) are B(Upsilon(2S)-->pi0Upsilon(1S)) < 1.8, B(Upsilon(3S)-->etaUpsilon(1S)) < 1.8, B(Upsilon(3S)-->pi0Upsilon(1S)) < 0.7, and B(Upsilon(3S)-->pi0Upsilon(2S)) < 5.1.
    Language English
    Publishing date 2008-11-07
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.101.192001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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