460 results on '"Alexander JP"'
Search Results
2. Identification of patients with pancreatic adenocarcinoma due to inheritable mutation: Challenges of daily clinical practice
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Derek A. O'Reilly, Angela Lamarca, Christina Nuttall, Tara Clancy, Richard A Hubner, Fiona Lalloo, Alexander Jp Fulton, Lynne McCallum, Juan W. Valle, Rille Pihlak, and Mairéad G McNamara
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Genetic consultation ,Germline ,Genetic counseling ,BRCA ,Bioinformatics ,03 medical and health sciences ,0302 clinical medicine ,Retrospective Study ,Medicine ,Genetic counselling ,Manchester Cancer Research Centre ,business.industry ,ResearchInstitutes_Networks_Beacons/mcrc ,Gastroenterology ,medicine.disease ,digestive system diseases ,Clinical Practice ,Oncology ,030220 oncology & carcinogenesis ,Mutation (genetic algorithm) ,Adenocarcinoma ,030211 gastroenterology & hepatology ,Identification (biology) ,business ,Pancreatic adenocarcinoma - Abstract
BACKGROUNDIdentification of germ-line mutations in pancreatic ductal adenocarcinoma (PDAC) could impact on patient/family.AIMTo assess the referral pathways for genetic consultations in PDAC.METHODSElectronic records of PDAC patients were reviewed retrospectively. Patients eligible for genetic consultation referral were identified following the European Registry of Hereditary Pancreatitis and Familial Pancreatic Cancer (EUROPAC) criteria. RESULTSFour-hundred patients were eligible. Of 113 patients (28.3%) meeting EUROPAC criteria, 8.8% were referred for genetic opinion. Germ-line mutations were identified in 0.75% of the whole population.CONCLUSION Earlier referrals and increased awareness may be able to overcome the low rate of successful genetic appointments.
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- 2019
3. Measurements of D meson decays to two pseudoscalar mesons
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Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Klein, T, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, and Collaboration, CLEO
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Physics ,Nuclear and High Energy Physics ,Particle physics ,Meson ,010308 nuclear & particles physics ,Branching fraction ,Hadron ,FOS: Physical sciences ,Elementary particle ,Quarkonium ,01 natural sciences ,3. Good health ,High Energy Physics - Experiment ,Particle decay ,Crystallography ,High Energy Physics - Experiment (hep-ex) ,TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY ,0103 physical sciences ,D meson ,010306 general physics ,Dimensionless quantity - Abstract
Using data collected on the psi(3770) resonance and near the Ds*+ Ds- peak production energy by the CLEO-c detector, we study the decays of the possible D->PP modes and report measurements of or upper limits on all branching fractions for Cabibbo-favored, singly-Cabibbo-suppressed, and doubly-Cabibbo-suppressed D->PP decays except modes involving K0L (and except D0->K+ pi-). We normalize with respect to the Cabibbo-favored D modes, D0->K- pi+, D+->K- pi+ pi+, and Ds+->K+ K0S., 11 pages, 2 figures, available through http://www.lns.cornell.edu/public/CLNS/, submitted to PRD
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- 2016
4. Search for lepton-flavor-violating decays of B mesons
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Edwards, KW, Ammar, R, Besson, D, Zhao, X, Anderson, S, Frolov, VV, Kubota, Y, Lee, SJ, Li, SZ, Poling, R, Smith, A, Stepaniak, CJ, Urheim, J, Metreveli, Z, Seth, KK, Tomaradze, A, Zweber, P, Ahmed, S, Alam, MS, Jian, L, Saleem, M, Wappler, F, Eckhart, E, Gan, KK, Gwon, C, Hart, T, Honscheid, K, Hufnagel, D, Kagan, H, Kass, R, Pedlar, TK, Thayer, JB, von Toerne, E, Wilksen, T, Zoeller, MM, Muramatsu, H, Richichi, SJ, Severini, H, Skubic, P, Dytman, SA, Mueller, JA, Nam, S, Savinov, V, Chen, S, Hinson, JW, Lee, J, Miller, DH, Pavlunin, V, Shibata, EI, Shipsey, IPJ, Cronin-Hennessy, D, Lyon, AL, Park, CS, Park, W, Thorndike, EH, Coan, TE, Gao, YS, Liu, F, Maravin, Y, Narsky, I, Stroynowski, R, Artuso, M, Boulahouache, C, Bukin, K, Dambasuren, E, Khroustalev, K, Mountain, R, Nandakumar, R, Skwarnicki, T, Stone, S, Wang, JC, Mahmood, AH, Csorna, SE, Danko, I, Xu, Z, Bonvicini, G, Cinabro, D, Dubrovin, M, McGee, S, Bornheim, A, Lipeles, E, Pappas, SP, Shapiro, A, Sun, WM, Weinstein, AJ, Masek, G, Paar, HP, Mahapatra, R, Briere, RA, Chen, GP, Ferguson, T, Tatishvili, G, Vogel, H, Adam, NE, Alexander, JP, Berkelman, K, Blanc, F, Boisvert, V, Cassel, DG, Drell, PS, Duboscq, JE, Ecklund, KM, Ehrlich, R, Gibbons, L, Gittelman, B, Gray, SW, Hartill, DL, Heltsley, BK, Hsu, L, Jones, CD, Kandaswamy, J, Kreinick, DL, Magerkurth, A, Mahlke-Kruger, H, Meyer, TO, Mistry, NB, Nordberg, E, Patterson, JR, Peterson, D, Pivarski, J, Riley, D, Sadoff, AJ, Schwarthoff, H, Shepherd, MR, Thayer, JG, Urner, D, Valant-Spaight, B, Viehhauser, G, Warburton, A, Weinberger, M, Athar, SB, Avery, P, Breva-Newell, L, Potlia, V, Stoeck, H, Yelton, J, Brandenburg, G, Ershov, A, Kim, DYJ, Wilson, R, Benslama, K, Eisenstein, BI, Ernst, J, Gollin, GD, Hans, RM, Karliner, I, Lowrey, N, Marsh, MA, Plager, C, Sedlack, C, Selen, M, Thaler, JJ, Williams, J, and Collaboration, CLEO
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Nuclear physics ,Physics ,High Energy Physics - Experiment (hep-ex) ,Nuclear and High Energy Physics ,Particle physics ,Electron–positron annihilation ,FOS: Physical sciences ,B meson ,Flavor ,High Energy Physics - Experiment ,Lepton - Abstract
We have searched a sample of 9.6 million BB-bar events for the lepton-flavor-violating decays B --> h e^{+-} mu^{-+}, B^+ --> h^- e^+ e^+, B^+ --> h^- e^+ mu^+, and B^+ --> h^- mu^+ mu^+, where h is pi, K, rho, and K*(892), a total of sixteen modes. We find no evidence for these decays, and place 90% confidence level upper limits on their branching fractions that range from 1.0 to 8.3 X 10^{-6}., 8 pages postscript, also available through http://w4.lns.cornell.edu/public/CLNS, PRD RC
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- 2016
5. Improved measurement of absolute hadronic branching fractions of the Ds+ meson
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Collaboration, CLEO, Onyisi, PUE, Bonvicini, G, Cinabro, D, Smith, MJ, Zhou, P, Naik, P, Rademacker, J, Edwards, KW, Briere, RA, Vogel, H, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Kreinick, DL, Kuznetsov, VE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Libby, J, Kornicer, M, Mitchell, RE, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Hietala, J, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Xiao, T, Powell, A, Thomas, C, Wilkinson, G, Asner, DM, Tatishvili, G, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Pearson, LJ, Thorndike, EH, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, and Zhang, LM
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Physics ,Nuclear and High Energy Physics ,Particle physics ,Meson ,010308 nuclear & particles physics ,Branching fraction ,Electron–positron annihilation ,Hadron ,FOS: Physical sciences ,01 natural sciences ,High Energy Physics - Experiment ,High Energy Physics - Experiment (hep-ex) ,0103 physical sciences ,High Energy Physics::Experiment ,010306 general physics ,Energy (signal processing) - Abstract
The branching fractions of Ds meson decays serve to normalize many measurements of processes involving charm quarks. Using 586 pb^-1 of e+ e- collisions recorded at a center of mass energy of 4.17 GeV, we determine absolute branching fractions for 13 Ds decays in 16 reconstructed final states with a double tag technique. In particular we make a precise measurement of the branching fraction B(Ds -> K- K+ pi+) = (5.55 +- 0.14 +- 0.13)%, where the uncertainties are statistical and systematic respectively. We find a significantly reduced value of B(Ds -> pi+ pi0 eta') compared to the world average, and our results bring the inclusively and exclusively measured values of B(Ds -> eta' X)$ into agreement. We also search for CP-violating asymmetries in Ds decays and measure the cross-section of e+ e- -> Ds* Ds at Ecm = 4.17 GeV., 12 pages, 3 figures. Submitted to Physical Review D. PDF also available through http://www.lns.cornell.edu/public/CLNS/2013/ v2: as published in PRD
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- 2013
6. Studies of the decays D-0 -> (KSK-)-K-0 pi(+) and D-0 -> (KSK+)-K-0 pi(-)
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Insler, J, Muramatsu, H, Park, CS, Pearson, LJ, Thorndike, EH, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Smith, MJ, Zhou, P, Gershon, T, Naik, P, Rademacker, J, Edwards, KW, Randrianarivony, K, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Gibbons, L, Gray, SW, Hartill, DL, Kreinick, DL, Kuznetsov, VE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Libby, J, Kornicer, M, Mitchell, RE, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Hietala, J, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Xiao, T, Johnson, D, Malde, S, Martin, L, Powell, A, Wilkinson, G, Asner, DM, Tatishvili, G, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Napolitano, J, Ecklund, KM, and Collaboration, CLEO
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- 2012
7. Studies of the decays D^0 \rightarrow K_S^0K^-π^+ and D^0 \rightarrow K_S^0K^+π^
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Collaboration, CLEO, Insler, J, Muramatsu, H, Park, CS, Pearson, LJ, Thorndike, EH, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Smith, MJ, Zhou, P, Gershon, T, Naik, P, Rademacker, J, Edwards, KW, Randrianarivony, K, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Gibbons, L, Gray, SW, Hartill, DL, Kreinick, DL, Kuznetsov, VE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Libby, J, Kornicer, M, Mitchell, RE, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Hietala, J, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Xiao, T, Johnson, D, Malde, S, Martin, L, Powell, A, Wilkinson, G, Asner, DM, Tatishvili, G, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Napolitano, J, and Ecklund, KM
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The first measurements of the coherence factor R_{K_S^0K\pi} and the average strong--phase difference \delta^{K_S^0K\pi} in D^0 \to K_S^0 K^\mp\pi^\pm decays are reported. These parameters can be used to improve the determination of the unitary triangle angle \gamma in B^- \rightarrow \widetilde{D}K^-$ decays, where $\widetilde{D}$ is either a D^0 or a D^0-bar meson decaying to the same final state, and also in studies of charm mixing. The measurements of the coherence factor and strong-phase difference are made using quantum-correlated, fully-reconstructed D^0D^0-bar pairs produced in e^+e^- collisions at the \psi(3770) resonance. The measured values are R_{K_S^0K\pi} = 0.73 \pm 0.08 and \delta^{K_S^0K\pi} = (8.3 \pm 15.2)$^\circ$ for an unrestricted kinematic region and R_{K*K} = 1.00 \pm 0.16 and \delta^{K*K} = (26.5 \pm 15.8)$^\circ$ for a region where the combined K_S^0 \pi^\pm invariant mass is within 100 MeV/c^2 of the K^{*}(892)^\pm mass. These results indicate a significant level of coherence in the decay. In addition, isobar models are presented for the two decays, which show the dominance of the K^*(892)^\pm resonance. The branching ratio {B}(D^0 \rightarrow K_S^0K^+\pi^-)/{B}(D^0 \rightarrow K_S^0K^-\pi^+) is determined to be 0.592 \pm 0.044 (stat.) \pm 0.018 (syst.), which is more precise than previous measurements.
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- 2012
8. Amplitude analyses of the decays chi_c1 -> eta pi+ pi- and chi_c1 -> eta' pi+ pi
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Collaboration, CLEO, Adams, GS, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Pearson, LJ, Thorndike, EH, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Randrianarivony, K, Tatishvili, G, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Kreinick, DL, Kuznetsov, VE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Libby, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Szczepaniak, A, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Hietala, J, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Xiao, T, Martin, L, Powell, A, Wilkinson, G, Ge, JY, Miller, DH, Shipsey, IPJ, and Xin, B
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High Energy Physics::Experiment ,Nuclear Experiment ,High Energy Physics - Experiment - Abstract
Using a data sample of 2.59 x 10^7 psi(2S) decays obtained with the CLEO-c detector, we perform amplitude analyses of the complementary decay chains chi_c1 -> eta pi+ pi- and chi_c1 -> eta' pi+ pi-. We find evidence for a P-wave eta' pi scattering amplitude, which, if interpreted as a resonance, would have exotic J^PC = 1^-+ and parameters consistent with the pi_1(1600) state reported in other production mechanisms. We also make the first observation of the decay a_0(980) -> eta' pi and measure the ratio of branching fractions B(a_0(980) -> eta' pi)/B(a_0(980) -> eta pi) = 0.064 +- 0.014 +- 0.014. The pi pi spectrum produced with a recoiling eta is compared to that with eta' recoil., Comment: 27 pages, 12 figures, available through http://www.lns.cornell.edu/public/CLNS/
- Published
- 2011
9. Branching fractions for Y(3S) -> pi^0 h_b and psi(2S) -> pi^0 h_c
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Collaboration, CLEO, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Pearson, LJ, Thorndike, EH, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Randrianarivony, K, Tatishvili, G, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Kreinick, DL, Kuznetsov, VE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Libby, J, Kornicer, M, Mitchell, RE, Tarbert, CM, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Hietala, J, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Xiao, T, Martin, L, Powell, A, and Wilkinson, G
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High Energy Physics - Experiment - Abstract
Using e^+e^- collision data corresponding to 5.88M Y(3S) [25.9M psi(2S)] decays and acquired by the CLEO III [CLEO-c] detectors operating at CESR, we study the single-pion transitions from Y(3S) [psi(2S)] to the respective spin-singlet states h_{b[c]}. Utilizing only the momentum of suitably selected transition-pi^0 candidates, we obtain the upper limit B(Y(3S) -> pi^0 h_b) < 1.2\times 10^{-3} at 90% confidence level, and measure B(psi(2S) -> pi^0 h_c) = (9.0+-1.5+-1.3)\times 10^{-4}. Signal sensitivities are enhanced by excluding very asymmetric pi^0 -> gamma gamma candidates., Comment: 12 pages 4 figures, version published in Physical Review D
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- 2011
10. Search for the decay $D^+_{s}\toωe^+ν$
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Collaboration, CLEO, Martin, L, Powell, A, Wilkinson, G, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Pearson, LJ, Thorndike, EH, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Randrianarivony, K, Tatishvili, G, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Kreinick, DL, Kuznetsov, VE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Libby, J, Kornicer, M, Mitchell, RE, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Hietala, J, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, and Xiao, T
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High Energy Physics::Experiment - Abstract
We present the first search for the decay $D^+_{s}\to \omega e^{+}\nu$ to test the four-quark content of the $D^+_{s}$ and the $\omega$-$\phi$ mixing model for this decay. We use 586 $\mathrm{pb}^{-1}$ of $e^{+}e^{-}$ collision data collected at a center-of-mass energy of 4170 MeV. We find no evidence of a signal, and set an upper limit on the branching fraction of $\mathcal{B}(D^+_{s}\to\omega e^+\nu)
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- 2011
11. Observation of the Dalitz Decay $D_{s}^{*+} \to D_{s}^{+} e^{+} e^{-}$
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Cronin-Hennessy, D, Hietala, J, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Xiao, T, Martin, L, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Pearson, LJ, Thorndike, EH, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Randrianarivony, K, Tatishvili, G, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Kreinick, DL, Kuznetsov, VE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Libby, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, and Pedlar, TK
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High Energy Physics - Experiment (hep-ex) ,FOS: Physical sciences ,High Energy Physics - Experiment - Abstract
Using 586 $\textrm{pb}^{-1}$ of $e^{+}e^{-}$ collision data acquired at $\sqrt{s}=4.170$ GeV with the CLEO-c detector at the Cornell Electron Storage Ring, we report the first observation of $D_{s}^{*+} \to D_{s}^{+} e^{+} e^{-}$ with a significance of $5.3 \sigma$. The ratio of branching fractions $\calB(D_{s}^{*+} \to D_{s}^{+} e^{+} e^{-}) / \calB(D_{s}^{*+} \to D_{s}^{+} \gamma)$ is measured to be $[ 0.72^{+0.15}_{-0.13} (\textrm{stat}) \pm 0.10 (\textrm{syst})]%$, which is consistent with theoretical expectations.
- Published
- 2011
12. Brief Reports γ(1 S) →γf2′(1525); F2′(1525)→ KS0KS0, decays
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Besson, D, Hogan, DP, Pedlar, TK, Cronin-Hennessy, D, Hietala, J, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Xiao, T, Brisbane, S, Martin, L, Powell, A, Spradlin, P, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Pearson, LJ, Thorndike, EH, Yang, F, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Randrianarivony, K, Tatishvili, G, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Kreinick, DL, Kuznetsov, VE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Libby, J, Kornicer, M, Mitchell, RE, and Tarbert, CM
- Abstract
We report on a study of exclusive radiative decays of the Υ(1S) resonance into a final state consisting of a photon and two KS0 candidates. We find evidence for a signal for Υ(1S)→γf2′(1525); f2′(1525)→γKS0KS0, at a rate B(Υ(1S) →γf2′(1525))=(4.0±1.3±0.6)×10-5, consistent with previous observations of Υ(1S)→γf2′(1525) ; f2′(1525)→K+K-, and isospin. Combining this branching fraction with existing branching fraction measurements of Υ(1S)→γf2′(1525) and J/ψ→γf2′(1525), we obtain the ratio of branching fractions: B(Υ(1S) →γf2′(1525))/B(J/ψ→γf2′(1525))=0. 09±0.02, approximately consistent with expectations based on soft-collinear effective theory. © 2011 American Physical Society.
- Published
- 2011
13. Upsilon(1S)->gamma+f2'(1525); f2'(1525)->K0sK0s decays
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Collaboration, TCLEO, Besson, D, Hogan, DP, Pedlar, TK, Cronin-Hennessy, D, Hietala, J, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Xiao, T, Brisbane, S, Martin, L, Powell, A, Spradlin, P, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Pearson, LJ, Thorndike, EH, Yang, F, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Randrianarivony, K, Tatishvili, G, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Kreinick, DL, Kuznetsov, VE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Libby, J, Kornicer, M, Mitchell, RE, and Tarbert, CM
- Subjects
High Energy Physics - Experiment - Abstract
We report on a study of exclusive radiative decays of the Upsilon(1S) resonance into a final state consisting of a photon and two K0s candidates. We find evidence for a signal for Upsilon(1S)->gamma f_2'(1525); f_2'(1525)->K0sK0s, at a rate (4.0+/-1.3+/-0.6)x10^{-5}, consistent with previous observations of Upsilon(1S)->gamma f_2'(1525); f_2'(1525)->K+K-, and isospin. Combining this branching fraction with existing branching fraction measurements of Upsilon(1S)->gamma f_2'(1525) and J/psi->gamma f_2'(1525), we obtain the ratio of branching fractions: B(Upsilon(1S)->gamma f_2'(1525))/B(J/psi->gamma f_2'(1525))=0.09+/-0.02, approximately consistent with expectations based on soft collinear effective theory., Comment: submitted to Brief Reports
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- 2010
14. Measurements of branching fractions for electromagnetic transitions involving the $χ_{bJ}(1P)$ states
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Collaboration, TCLEO, Kornicer, M, Mitchell, RE, Tarbert, CM, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Hietala, J, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Xiao, T, Brisbane, S, Martin, L, Powell, A, Spradlin, P, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Pearson, LJ, Thorndike, EH, Yang, F, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Randrianarivony, K, Tatishvili, G, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Kreinick, DL, Kuznetsov, VE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, and Libby, J
- Abstract
Using 9.32, 5.88 million Upsilon(2S,3S) decays taken with the CLEO-III detector, we obtain five product branching fractions for the exclusive processes Upsilon(2S) => gamma chi_{b0,1,2}(1P) => gamma gamma Upsilon(1S) and Upsilon(3S) => gamma chi_{b1,2}(1P) => gamma gamma Upsilon(1S). We observe the transition chi_{b0}(1P) => gamma Upsilon(1S) for the first time. Using the known branching fractions for B[Upsilon(2S) => gamma chi_{bJ}(1P)], we extract values for B[chi_{bJ}(1P) => gamma Upsilon(1S)] for J=0, 1, 2. In turn, these values can be used to unfold the Upsilon(3S) product branching fractions to obtain values for B[Upsilon(3S) => gamma chi_{b1,2}(1P) for the first time individually. Comparison of these with each other and with the branching fraction B[Upsilon(3S) => gamma chi_{b0}] previously measured by CLEO provides tests of relativistic corrections to electric dipole matrix elements.
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- 2010
15. Studies of D^+ -> {eta', eta, phi} e^+ nu_e
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Collaboration, CLEO, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Hietala, J, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Xiao, T, Brisbane, S, Libby, J, Martin, L, Powell, A, Spradlin, P, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Pearson, LJ, Thorndike, EH, Yang, F, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Randrianarivony, K, Tatishvili, G, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Kreinick, DL, Kuznetsov, VE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, and Sun, WM
- Subjects
High Energy Physics - Experiment - Abstract
We report the first observation of the decay D^+ -> eta' e^+ nu_e in two analyses, which combined provide a branching fraction of B(D+ -> eta' e nu) = (2.16 +/- 0.53 +/- 0.07) x 10^{-4}. We also provide an improved measurement of B(D+ -> eta e nu) = (11.4 +/- 0.9 +/- 0.4) x 10^{-4}, provide the first form factor measurement, and set the improved upper limit B(D+ -> phi e nu) < 0.9 x 10^{-4} (90% C.L.)., Comment: 15 pages, 6 figures, available through http://www.lns.cornell.edu/public/CLNS/, submitted to PRD. Minor edits, added appendix with fit results using alternate form factor parameterizations
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- 2010
16. Branching fractions for χcJ→pp̄π0, pp̄η, and pp̄ω
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Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Adams, S, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Hietala, J, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Xiao, T, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Spradlin, P, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Randrianarivony, K, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, and Vogel, H
- Abstract
Using a sample of 25.9×106 ψ(2S) decays acquired with the CLEO-c detector at the CESR e+e- collider, we report branching fractions for the decays χcJ→pp̄π0, pp̄η, and pp̄ω, with J=0, 1, 2. Our results for B(χcJ→pp̄π0) and B(χcJ→pp̄η) are consistent with, but more precise than, previous measurements. Furthermore, we include the first measurement of B(χcJ→pp̄ω). © 2010 The American Physical Society.
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- 2010
17. Analysis of D+→K-π+e +νe and D+→K -π+μ++νμ semileptonic decays
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Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Das, S, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Hietala, J, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Ting, X, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Spradlin, P, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Randrianarivony, K, Robichaud, AN, Tatishvili, G, and White, EJ
- Abstract
Using a large sample (≈11800 events) of D+→K -π+e+νe and D+→K -π+μ+νμ decays collected by the CLEO-c detector running at the ψ(3770), we measure the helicity basis form factors free from the assumptions of spectroscopic pole dominance and provide new, accurate measurements of the absolute branching fractions for D +→K̄*0e+νe and D+→K̄*0μ+νμ decays. We find branching fractions which are consistent with previous world averages. Our measured helicity basis form factors are consistent with the spectroscopic pole dominance predictions for the three main helicity basis form factors describing D+→K̄*0 +ν decay. The ability to analyze D+→K -π+μ+νμ allows us to make the first nonparametric measurements of the mass-suppressed form factor. Our result is inconsistent with existing lattice QCD calculations. Finally, we measure the form factor that controls nonresonant s-wave interference with the D +→K̄*0+ν amplitude and search for evidence of possible additional nonresonant d- or f-wave interference with the K̄*0. © 2010 The American Physical Society.
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- 2010
18. Search for the decay J/ψ→γ+invisible
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Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Randrianarivony, K, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Ting, X, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Spradlin, P, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, and Ecklund, KM
- Abstract
A search for J/ψ radiative decay to weakly interacting neutral final states was performed using the CLEO-c detector at the Cornell Electron Storage Ring. J/ψ events were selected by observing the hadronic decay ψ(2S)→π+π-J/ψ. A total of 3.7×106 J/ψ events were used to study the decay J/ψ→γ+X, where X is a narrow state that is invisible to the detector. No significant signal was observed, and upper limits on the branching fraction were set for masses mX up to 960MeV/c2. The upper limit corresponding to mX=0 is 4.3×10-6 at the 90% confidence level. © 2010 The American Physical Society.
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- 2010
19. Search for psi(2S) -> gamma eta c(2S) via fully reconstructed eta c(2S) decays
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Cronin-Hennessy, D, Gao, KY, Gong, T, Hietala, J, Kubota, Y, Klein, T, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, C, Besson, D, Pedlar, TK, Xavier, J, and Collaboration, CLEO
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- 2010
20. Measurement of the ηb(1S) mass and the branching fraction for Υ(3S)→γηb(1S)
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Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Spradlin, P, Thomas, C, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Skwarnicki, T, Wang, JC, and Zhang, LM
- Abstract
We report evidence for the ground state of bottomonium, ηb(1S), in the radiative decay Υ(3S)→γηb in e+e- annihilation data taken with the CLEO III detector. Using 6×106 Υ(3S) decays, and assuming Γ(ηb)=10±5MeV/c2, we obtain B(Υ(3S)→γηb)=(7.1±1.8±1.3)×10 -4, where the first error is statistical and the second is systematic. The statistical significance is ∼4σ. The mass is determined to be M(ηb)=9391.8±6.6±2.0MeV/c2, which corresponds to the hyperfine splitting ΔMhf(1S)b=68.5±6.6±2.0MeV/c2. Using 9×106 Υ(2S) decays, we place an upper limit on the corresponding Υ(2S) decay, B(Υ(2S)→γηb)
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- 2010
21. Measurement of the pseudoscalar decay constant fDs using Ds+→τ+ν, τ+→ρ+ν̄ decays
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Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Randrianarivony, K, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Spradlin, P, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, and Zhu, J
- Abstract
Analyzing 600pb-1 of e+e- collisions at 4170 MeV center-of-mass energy with the CLEO-c detector, we measure the branching fraction B(Ds+→τ+ν)= (5.52±0.57±0.21)% using the τ+→ρ+ν̄ decay mode. Combining with other CLEO measurements of B(Ds+→τ+ν) we determine the pseudoscalar decay constant fDs=(259.7±7.8±3.4)MeV consistent with the value obtained from our Ds+→μ+ν measurement of (257.6±10.3±4.3)MeV. Combining these measurements we find a value of fDs=(259.0±6.2±3.0)MeV, that differs from the most accurate prediction based on unquenched lattice gauge theory of (241±3)MeV by 2.4 standard deviations. We also present the first measurements of B(Ds+→K0π+π0)=(1.00±0.18±0.04)%, and B(Ds+→π+π0π0)=(0.65±0.13±0.03)%, and measure a new value for B(Ds+→ηρ+)=(8.9±0.6±0.5)%. © 2009 The American Physical Society.
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- 2009
22. Measurement of the pseudoscalar decay constant f(Ds) using D-s(+)->tau(+)nu, tau(+)->rho(+)nu decays
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Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Randrianarivony, K, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Spradlin, P, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Ricciardi, S, Thomas, C, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, and Collaboration, CLEO
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- 2009
23. Higher-order multipole amplitudes in charmonium radiative transitions
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Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Spradlin, P, Thomas, C, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, and Collaboration, CLEO
- Subjects
Physics ,Nuclear and High Energy Physics ,Particle physics ,010308 nuclear & particles physics ,Electron–positron annihilation ,Maximum likelihood ,Order (ring theory) ,FOS: Physical sciences ,01 natural sciences ,3. Good health ,High Energy Physics - Experiment ,Combinatorics ,Particle decay ,High Energy Physics - Experiment (hep-ex) ,Amplitude ,Angular distribution ,0103 physical sciences ,High Energy Physics::Experiment ,010306 general physics ,Multipole expansion - Abstract
Using 24 million $\psi' \equiv \psi(2S)$ decays in CLEO-c, we have searched for higher multipole admixtures in electric-dipole-dominated radiative transitions in charmonia. We find good agreement between our data and theoretical predictions for magnetic quadrupole (M2) amplitudes in the transitions $\psi' \to \gamma \chi_{c1,2}$ and $\chi_{c1,2} \to \gamma J/\psi$, in striking contrast to some previous measurements. Let $b_2^J$ and $a_2^J$ denote the normalized M2 amplitudes in the respective aforementioned decays, where the superscript $J$ refers to the angular momentum of the $\chi_{cJ}$. By performing unbinned maximum likelihood fits to full five-parameter angular distributions, we determine the ratios $a_2^{J=1}/a_2^{J=2} = 0.67^{+0.19}_{-0.13}$ and $a_2^{J=1}/b_2^{J=1} = -2.27^{+0.57}_{-0.99}$, where the theoretical predictions are independent of the charmed quark magnetic moment and are $a_2^{J=1}/a_2^{J=2} = 0.676 \pm 0.071$ and $a_2^{J=1}/b_2^{J=1} = -2.27 \pm 0.16$., Comment: 32 pages, 7 figures, acceptance update
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- 2009
24. Inclusive radiative psi(2S) decays
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Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Klein, T, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, and Collaboration, CLEO
- Subjects
High Energy Physics::Experiment - Abstract
Using e+e- collision data taken with the CLEO-c detector at the Cornell Electron Storage Ring, we have investigated the direct photon spectrum in the decay ψ(2S)→γgg. We determine the ratio of the inclusive direct photon decay rate to that of the dominant three-gluon decay rate ψ(2S)→ggg (Rγ≡⌈Γgg(γgg)/⌈(ggg)) to be Rγ(zγ>0.4)=0.070±0.002±0.019±0.011, with zγ defined as the scaled photon energy relative to the beam energy. The errors shown are statistical, systematic, and that due to the uncertainty in the input branching fractions used to extract the ratio, respectively. © 2009 The American Physical Society.
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- 2009
25. Measurement of charm production cross sections in e+e- annihilation at energies between 3.97 and 4.26 GeV
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Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Lang, BW, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Libby, J, Powell, A, Wilkinson, G, Ecklund, KM, Love, W, Savinov, V, Lopez, A, Mendez, H, Ramirez, J, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Anderson, M, Cummings, JP, Danko, I, Hu, D, Moziak, B, Napolitano, J, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Nisar, S, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Rademacker, J, Asner, DM, Edwards, KW, Naik, P, Reed, J, Briere, RA, Ferguson, T, Tatishvili, G, Vogel, H, Watkins, ME, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Jones, CD, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Mahlke-Krüger, H, Mohapatra, D, Onyisi, PUE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Patel, R, Yelton, J, Rubin, P, Eisenstein, BI, Karliner, I, Mehrabyan, S, Lowrey, N, Selen, M, White, EJ, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, and Pedlar, TK
- Subjects
High Energy Physics::Phenomenology ,High Energy Physics::Experiment ,Nuclear Experiment - Abstract
Using the CLEO-c detector at the Cornell Electron Storage Ring, we have measured inclusive and exclusive cross sections for the production of D+, D0 and Ds+ mesons in e+e- annihilations at 13 center-of-mass energies between 3.97 and 4.26 GeV. Exclusive cross sections are presented for final states consisting of two charm mesons (DD̄, D*D̄, D*D̄*, Ds+Ds-, Ds*+Ds-, and Ds*+Ds*-) and for processes in which the charm-meson pair is accompanied by a pion. No enhancement in any final state is observed at the energy of the Y(4260). © 2009 The American Physical Society.
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- 2009
26. Study of the semileptonic decay Ds+→f0(980)e+ν and implications for Bs0→J/ψf0
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Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, and Napolitano, J
- Abstract
Using e+e-→Ds-Ds*+ and Ds*-Ds+ interactions at 4170 MeV collected with the CLEO-c detector, we investigate the semileptonic decays Ds+→f0(980)e+ν and Ds+→e+ν. By examining the decay rates as functions of the four-momentum transfer squared q2, we measure the ratio [dBdq2(Ds+→f0(980)e+ν)B(f0→π+π-)]/[dBdq2(Ds+→e+ν) B(→K+K-)] at q2 of zero to be (42±11)%. This ratio has been predicted to equal the rate ratio [B(Bs→J/ψf0)B(f0→π+π-)]/ [B(Bs→J/ψ)B(→K+K-)], thus indicating that the CP eigenstate J/ψf0 could be useful for measuring CP violation via Bs mixing. Assuming a simple pole model for the form factor |f+(q2)| in the f0e+ν decay, we find a pole mass of (1.7-0.7+4.5±0.2)GeV. We also determine the f0 mass and width as (977-9+11±1) and (91-22+30±3)MeV, respectively. In addition, we present updated results for B(Ds+→f0(980)e+ν) B(f0→π+π-)=(0.20±0.03±0.01)% and B(Ds+→e+ν)=(2. 36±0.23±0.13)%. Assuming that the f0 wave function is a combination of strange and nonstrange quark-antiquark components, we use our measurement for B(Ds+→f0(980)e+ν) to extract a value of the mixing angle that we find consistent with s̄s dominance, adding to the mystery as to why the f0 decays predominantly to two pions rather than two kaons. © 2009 The American Physical Society.
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- 2009
27. Ds+ exclusive hadronic decays involving ω
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Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Klein, T, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, and Mendez, H
- Abstract
Using data collected near the Ds* ± Ds Ds peak production energy E cm 4170 MeV by the CLEO-c detector, we search for Ds+ exclusive hadronic decays involving. We find B Ds+ n+ w 0.21 ± 0.09 ± %, B Ds+ n+ 2.78 ± 0.65 ± 0.25 %, Ds+ n+ n+ n- 1.58 ± 0.09%. Ds+ n+ 0.85± 0.54 ± 0.06%. K+. n+ n- 0.54%, and The upper limits are at 90% confidence level.
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- 2009
28. Study of the semileptonic decay D-s(+) -> f(0)(980)e(+)nu and implications for B-s(0) -> J/psi f(0)
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Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, and Collaboration, CLEO
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- 2009
29. D-s(+) exclusive hadronic decays involving omega
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Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Gibbons, L, Gray, SW, Hartill, DL, Heltsley, BK, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, CM, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Klein, T, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Brisbane, S, Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, Mendez, H, and Collaboration, CLEO
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- 2009
30. Determination of the D0→K-π+π0 and D0→K-π+π+π- coherence factors and average strong-phase differences using quantum-correlated measurements
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Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Harnew, N, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Gershon, T, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, and Rubin, P
- Abstract
The first measurements of the coherence factors (RKππ0 and RK3π) and the average strong-phase differences (δDKππ0 and δDK3π) for D0→K-π+π0 and D0→K-π+π+π- are presented. These parameters can be used to improve the determination of the unitarity triangle angle γ in B-→DK- decays, where D is a D0 or D̄0 meson decaying to the same final state. The measurements are made using quantum-correlated, fully reconstructed D0D̄0 pairs produced in e+e- collisions at the ψ(3770) resonance. The measured values are: RKππ0=0.84±0.07, δDKππ0=(227-17+14)°, RK3π=0.33-0.23+0.20, and δDK3π=(114-23+26)°. These results indicate significant coherence in the decay D0→K-π+π0, whereas lower coherence is observed in the decay D0→K-π+π+π-. The analysis also results in a small improvement in the knowledge of other D-meson parameters, in particular, the strong-phase difference for D0→K-π+, δDKπ, and the mixing parameter y. © 2009 The American Physical Society.
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- 2009
31. First model-independent determination of the relative strong phase between D0 and D̄0→KS0π+π- and its impact on the CKM angle γ/Φ3 measurement
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Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Mohapatra, D, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Yelton, J, Rubin, P, Mehrabyan, S, Lowrey, N, Selen, M, White, EJ, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Pavlunin, V, Sanghi, B, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Horwitz, N, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, and Tatishvili, G
- Abstract
We exploit the quantum coherence between pair-produced D0 and D̄0 in ψ(3770) decays to make a first determination of the relative strong phase differences between D0→KS0π+π- and D̄0→KS0π+π-, which are of great importance in determining the Cabibbo-Kobayashi-Maskawa angle γ/Φ3 in B-→D0(D̄0)K- decays. Using 818pb-1 of e+e- collision data collected with the CLEO-c detector at Ecm=3.77GeV, we employ a binned Dalitz-plot analysis of KS0π+π- and KL0π+π- decays recoiling against flavor-tagged, CP-tagged, and KS0π+π - tagged events to determine these strong phase differences. © 2009 The American Physical Society.
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- 2009
32. Determination of the D-0 -> K- pi(+) pi(0) and D-0 -> K- pi(+) pi(+) pi(-) coherence factors and average strong-phase differences using quantum-correlated measurements
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Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Harnew, N, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Gershon, T, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, and Collaboration, CLEO
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- 2009
33. Improved measurements of D meson semileptonic decays to pi and K mesons
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Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Mitchell, RE, Shepherd, MR, and Collaboration, CLEO
- Abstract
Using the entire CLEO-c ψ(3770)→DD̄ event sample, corresponding to an integrated luminosity of 818pb-1 and approximately 5.4×106 DD̄ events, we present a study of the decays D0→π-e+νe, D0→K-e+νe, D+→π0e+νe, and D+→K̄0e+νe. Via a tagged analysis technique, in which one D is fully reconstructed in a hadronic mode, partial rates for semileptonic decays by the other D are measured in several q2 bins. We fit these rates using several form factor parametrizations and report the results, including form factor shape parameters and the branching fractions B(D0→π-e+νe)=(0.288±0. 008±0.003)%, B(D0→K-e+νe)=(3.50±0.03±0.04)%, B(D+→π0e+νe)=(0.405±0.016±0.009)%, and B(D+→K̄0e+νe)=(8.83±0.10±0.20)%, where the first uncertainties are statistical and the second are systematic. Taking input from lattice quantum chromodynamics, we also find |Vcd|=0.234±0.007±0. 002±0.025 and |Vcs|=0.985±0.009±0.006±0.103, where the third uncertainties are from lattice quantum chromodynamics. © 2009 The American Physical Society.
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- 2009
34. First model-independent determination of the relative strong phase between D-0 and -> (D)over-bar(0) -> K-S(0)pi(+)pi(-) and its impact on the CKM angle gamma/phi(3) measurement
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Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Mohapatra, D, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Yelton, J, Rubin, P, Mehrabyan, S, Lowrey, N, Selen, M, White, EJ, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Pavlunin, V, Sanghi, B, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Horwitz, N, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, and Collaboration, CLEO
- Published
- 2009
35. Charmonium decays to γπ0, γη, and γη′
- Author
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Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Klein, T, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, C, and Besson, D
- Abstract
Using data acquired with the CLEO-c detector at the CESR e+e- collider, we measure branching fractions for J/ψ, ψ(2S), and ψ(3770) decays to γπ0, γη, and γη′. Defining Rn B[ψ(nS)→γη]/B[ψ(nS)→γη′], we obtain R1=(21.1±0.9)% and, unexpectedly, an order of magnitude smaller limit, R2
- Published
- 2009
36. Charmonium decays to gamma pi(0), gamma eta, and gamma eta '
- Author
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Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Klein, T, Poling, R, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Kornicer, M, Mitchell, RE, Shepherd, MR, Tarbert, C, Besson, D, and Collaboration, CLEO
- Published
- 2009
37. Search for D0→p̄e+ and D0→pe
- Author
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Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, and Yelton, J
- Abstract
We search for simultaneous baryon and lepton number violating decays of the D0 meson. Specifically, we use 281pb-1 of data taken on the ψ(3770) resonance with the CLEO-c detector at the CESR collider to look for decays D0→p̄e+, D̄0→p̄e+, D0→pe-, and D̄0→pe-. We find no significant signals and set the following branching fraction upper limits: D0→p̄e+(D̄0→p̄e+)
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- 2009
38. Search for D-0 -> (p)over-bare(+) and D-0 -> pe(-)
- Author
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Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, and Collaboration, CLEO
- Published
- 2009
39. Dalitz plot analysis of Ds+→K+K-π+
- Author
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Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, and Wiss, J
- Abstract
We perform a Dalitz plot analysis of the decay Ds+→K+K-π+ with the CLEO-c data set of 586pb-1 of e+e- collisions accumulated at s=4.17GeV. This corresponds to about 0.57×106 Ds±Ds* pairs from which we select 14400 candidates with a background of roughly 15%. In contrast to previous measurements we find good agreement with our data only by including an additional f0(1370)π+ contribution. We measure the magnitude, phase, and fit fraction of K*(892)0K+, (1020)π+, K0*(1430)K+, f0(980)π+, f0(1710)π+, and f0(1370)π+ contributions and limit the possible contributions of other KK and Kπ resonances that could appear in this decay. © 2009 The American Physical Society.
- Published
- 2009
40. New measurement of exclusive decays of the χc0 and χc2 to two-meson final states
- Author
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Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Mohapatra, D, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Yelton, J, Rubin, P, Mehrabyan, S, Lowrey, N, Selen, M, White, EJ, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Pavlunin, V, Sanghi, B, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Naik, P, and Rademacker, J
- Abstract
Using a sample of 2.59×107 ψ(2S) decays collected by the CLEO-c detector, we present results of a study of χc0 and χc2 decays into two-meson final states. We present the world's most precise measurements of the χcJ,(J=0,2)→π+π-, π0π0, K+K-, KS0KS0, ηη, and η′η′ branching fractions, and a search for χc decays into ηη′. These results shed light on the mechanism of charmonium decays into pseudoscalar mesons. © 2009 The American Physical Society.
- Published
- 2009
41. Dalitz plot analysis of D-s(+)-> K+K-pi(+)
- Author
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Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Xavier, J, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Thomas, C, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Zhou, P, Zhu, J, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, and Collaboration, CLEO
- Published
- 2009
42. New measurement of exclusive decays of the chi(c0) and chi(c2) to two-meson final states
- Author
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Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Mohapatra, D, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Yelton, J, Rubin, P, Mehrabyan, S, Lowrey, N, Selen, M, White, EJ, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Pavlunin, V, Sanghi, B, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Naik, P, Rademacker, J, and Collaboration, CLEO
- Published
- 2009
43. Measurement of B(Ds+ -> l plus v) and the decay constant fDs+ from 600 pb(-1) of e(+)e(-) annihilation data near 4170 MeV
- Author
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Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Mohapatra, D, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Pavlunin, V, Sanghi, B, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, and Collaboration, CLEO
- Abstract
We examine e+e-→Ds-Ds*+ and Ds*-Ds+ interactions at 4170 MeV using the CLEO-c detector in order to measure the decay constant fDs+ with good precision. Previously our measurements were substantially higher than the most precise lattice based QCD calculation of (241± 3)MeV. Here we use the Ds+→+ν channel, where the + designates either a μ+ or a τ+, when the τ+→π+ν̄. Analyzing both modes independently, we determine B(Ds+→μ+ν)=( 0.565±0.045±0.017)%, and B(Ds+→τ+ν)=(6.42±0.81± 0.18)%. We also analyze them simultaneously to find an effective value of Beff(Ds+→μ+ν)=(0.591± 0.037±0.018)% and fDs+=( 263.3±8.2±3.9)MeV. Combining with the CLEO-c value determined independently using Ds+→τ+ν, τ+→e+νν̄ decays, we extract fDs+=( 259.5±6.6±3.1)MeV. Combining with our previous determination of B(D+→μ+ν), we extract the ratio fDs+/fD+=1.26±0.06±0.02. No evidence is found for a CP asymmetry between Γ(Ds+→μ+ν) and Γ(Ds-→μ-ν); specifically the fractional difference in rates is measured to be (4.8±6.1)%. Finally, we find B(Ds+→e+ν)
- Published
- 2009
44. Study of D-0 -> pi(-)e(+)ve, D+ -> pi(0)e(+)ve, D-0 -> K(-)e(+)ve, and D+ -> (K)over-bar(0)e(+)ve in tagged decays of the psi(3770) resonance
- Author
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Ge, JY, Miller, DH, Pavlunin, V, Sanghi, B, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Gao, YS, Liu, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Briere, RA, Tatishvili, G, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Mohapatra, D, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Yelton, J, Rubin, P, Mehrabyan, S, Lowrey, N, Selen, M, White, EJ, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Lang, BW, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Love, W, Savinov, V, Mendez, H, and Collaboration, CLEO
- Published
- 2009
45. Improved measurement of absolute branching fraction of Ds(+) -> tau(+) v(tau)
- Author
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Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Mohapatra, D, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Yelton, J, Rubin, P, Lowrey, N, Mehrabyan, S, Selen, M, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Pavlunin, V, Sanghi, B, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, Ecklund, KM, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Smith, MJ, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, White, EJ, Briere, RA, Vogel, H, and Collaboration, CLEO
- Published
- 2009
46. Observation of η′ decays to π+π-π0 and π+π-e+e
- Author
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Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Robichaud, AN, Tatishvili, G, Briere, RA, Vogel, H, Onyisi, PUE, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Mohapatra, D, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Yelton, J, Rubin, P, Mehrabyan, S, Lowrey, N, Selen, M, White, EJ, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tan, BJY, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Mendez, H, Ge, JY, Miller, DH, Pavlunin, V, Sanghi, B, Shipsey, IPJ, Xin, B, Adams, GS, Hu, D, Moziak, B, Napolitano, J, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, and Ecklund, KM
- Abstract
Using ψ(2S)→π+π-J/ψ, J/ψ→γη′ events acquired with the CLEO-c detector at the CESR e+e- collider, we make the first observations of the decays η′→π+π-π0 and η′→π+π-e+e-, measuring absolute branching fractions (37-9+11±4)×10-4 and (25-9+12±5)×10-4, respectively. For η′→π+π-π0, this result probes the mechanism of isospin violation and the roles of π0/η/η′-mixing and final state rescattering in strong decays. We also set upper limits on branching fractions for η′ decays to π+π-μ+μ-, 2(π+π-), π+π-2π0, 2(π+π-)π0, 3(π+π-), and invisible final states. © 2009 The American Physical Society.
- Published
- 2009
47. Improved measurement of branching fractions for ππ transitions among Υ(nS) states
- Author
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Bhari, SR, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Lang, BW, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Ecklund, KM, Love, W, Savinov, V, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Anderson, M, Cummings, JP, Danko, I, Hu, D, Moziak, B, Napolitano, J, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Nisar, S, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Briere, RA, Ferguson, T, Tatishvili, G, Vogel, H, Watkins, ME, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Engelson, E, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Mohapatra, D, Onyisi, PUE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Patel, R, Yelton, J, Rubin, P, Eisenstein, BI, Karliner, I, Mehrabyan, S, Lowrey, N, Selen, M, White, EJ, Wiss, J, Mitchell, RE, Shepherd, MR, and Besson, D
- Abstract
Using samples of (5.93±0.10)×106 Υ(3S) decays and (9.11±0.14)×106 Υ(2S) decays collected with the CLEO detector, we report improved measurements of the following branching fractions: B(Υ(3S)→Υ(1S)π+π-)=(4.46±0.01±0.13)%, B(Υ(2S)→Υ(1S)π+π-)=(18.02±0.02±0.61)%, B(Υ(3S)→Υ(1S)π0π0)=(2.24±0.09±0.11)%, B(Υ(2S)→Υ(1S)π0π0)=(8.43±0.16±0.42)%, and B(Υ(3S)→Υ(2S)π0π0)=(1.82±0.09±0.12)%. In each case, the first uncertainty reported is statistical, while the second is systematic. © 2009 The American Physical Society.
- Published
- 2009
48. J/ψ and ψ(2S) radiative transitions to ηc
- Author
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Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Lang, BW, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Libby, J, Powell, A, Wilkinson, G, Ecklund, KM, Love, W, Savinov, V, Lopez, A, Mendez, H, Ramirez, J, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Anderson, M, Cummings, JP, Danko, I, Hu, D, Moziak, B, Napolitano, J, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Nisar, S, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Briere, RA, Ferguson, T, Tatishvili, G, Vogel, H, Watkins, ME, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krüger, H, Mohapatra, D, Onyisi, PUE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Patel, R, Yelton, J, Rubin, P, Eisenstein, BI, Karliner, I, Mehrabyan, S, Lowrey, N, Selen, M, White, EJ, and Wiss, J
- Abstract
Using 2.45×107 ψ(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(ψ(2S)→γηc)=(4.32±0.16±0.60)×10-3, B(J/ψ→γηc)/B(ψ(2S)→γηc)=4.59±0. 23±0.64, and B(J/ψ→γηc)=(1.98±0.09±0.30) %. We observe a distortion in the ηc line shape due to the photon-energy dependence of the magnetic dipole transition rate. We find that measurements of the ηc mass are sensitive to the line shape, suggesting an explanation for the discrepancy between measurements of the ηc mass in radiative transitions and other production mechanisms. © 2009 The American Physical Society.
- Published
- 2009
49. Improved measurement of branching fractions for pi pi transitions among Y(nS) states
- Author
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Bhari, SR, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Lang, BW, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Libby, J, Martin, L, Powell, A, Wilkinson, G, Ecklund, KM, Love, W, Savinov, V, Mendez, H, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Anderson, M, Cummings, JP, Danko, I, Hu, D, Moziak, B, Napolitano, J, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Nisar, S, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, Reed, J, Briere, RA, Ferguson, T, Tatishvili, G, Vogel, H, Watkins, ME, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Engelson, E, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Hunt, JM, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Ledoux, J, Mahlke-Krueger, H, Mohapatra, D, Onyisi, PUE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Patel, R, Yelton, J, Rubin, P, Eisenstein, BI, Karliner, I, Mehrabyan, S, Lowrey, N, Selen, M, White, EJ, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, and Collaboration, CLEO
- Published
- 2009
50. Inclusive χbJ(nP) decays to D0X
- Author
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Briere, RA, Ferguson, T, Tatishvili, G, Vogel, H, Watkins, ME, Rosner, JL, Alexander, JP, Cassel, DG, Duboscq, JE, Ehrlich, R, Fields, L, Galik, RS, Gibbons, L, Gray, R, Gray, SW, Hartill, DL, Heltsley, BK, Hertz, D, Kandaswamy, J, Kreinick, DL, Kuznetsov, VE, Mahlke-Krüger, H, Mohapatra, D, Onyisi, PUE, Patterson, JR, Peterson, D, Riley, D, Ryd, A, Sadoff, AJ, Shi, X, Stroiney, S, Sun, WM, Wilksen, T, Athar, SB, Patel, R, Yelton, J, Rubin, P, Eisenstein, BI, Karliner, I, Mehrabyan, S, Lowrey, N, Selen, M, White, EJ, Wiss, J, Mitchell, RE, Shepherd, MR, Besson, D, Pedlar, TK, Cronin-Hennessy, D, Gao, KY, Hietala, J, Kubota, Y, Klein, T, Lang, BW, Poling, R, Scott, AW, Zweber, P, Dobbs, S, Metreveli, Z, Seth, KK, Tomaradze, A, Libby, J, Powell, A, Wilkinson, G, Ecklund, KM, Love, W, Savinov, V, Lopez, A, Mendez, H, Ramirez, J, Ge, JY, Miller, DH, Shipsey, IPJ, Xin, B, Adams, GS, Anderson, M, Cummings, JP, Danko, I, Hu, D, Moziak, B, Napolitano, J, He, Q, Insler, J, Muramatsu, H, Park, CS, Thorndike, EH, Yang, F, Artuso, M, Blusk, S, Khalil, S, Li, J, Mountain, R, Nisar, S, Randrianarivony, K, Sultana, N, Skwarnicki, T, Stone, S, Wang, JC, Zhang, LM, Bonvicini, G, Cinabro, D, Dubrovin, M, Lincoln, A, Naik, P, Rademacker, J, Asner, DM, Edwards, KW, and Reed, J
- Abstract
Using Υ(2S) and Υ(3S) data collected with the CLEO III detector we have searched for decays of χbJ to final states with open charm. We fully reconstruct D0 mesons with pD0>2.5GeV/c in three decay modes (K-π+, K-π+π0, and K-π-π+π+) in coincidence with radiative transition photons that tag the production of one of the χbJ(nP) states. Significant signals are obtained for the two J=1 states. Recent nonrelativistic QCD (NRQCD) calculations of χbJ(nP)→cc̄X depend on one nonperturbative parameter per χbJ triplet. The extrapolation from the observed D0X rate over a limited momentum range to a full cc̄X rate also depends on these same parameters. Using our data to fit for these parameters, we extract results which agree well with NRQCD predictions, confirming the expectation that charm production is largest for the J=1 states. In particular, for J=1, our results are consistent with cc̄g accounting for about one-quarter of all hadronic decays. © 2008 The American Physical Society.
- Published
- 2008
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