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16 results on '"Mestayer, P."'

1. Measurement of γγ widths of charmonium states

Author

Chen, WY, McIlwain, RL, Miller, DH, Ng, CR, Schaffner, SF, Shibata, EI, Yao, WM, Sparks, K, Thorndike, EH, Wang, CH, Alam, MS, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Wang, PN, Zoeller, MI, Bortoletto, D, Goldberg, M, Horwitz, N, Jain, V, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Thulasidas, M, Csorna, SE, Letson, T, Alexander, J, Artuso, M, Bebek, C, Berkelman, K, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeWire, JW, Dell, PS, Ehrlich, R, Galik, RS, Gittlman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Katayama, N, Kreinick, DL, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, Sadoff, AJ, Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, R, Wolinski, J, Xiao, D, Ammar, R, Baringer, P, Coppage, D, Haas, P, Lam, H, Jawahery, A, Park, CH, Kubota, Y, Nelson, JK, Perticone, D, Poling, R, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, and Wilson, P

Subjects
Nuclear & Particles Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Astronomical and Space Sciences, Mathematical Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

Using the CLEO detector at the Cornell Electron Storage Ring, we have searched for two-photon production of charmonium in four-track final states. We have measured Γγγ(ηc)=5.9+2.1-1.8±1.9 keV, and we have obtained 95% CL upper limits of Γγγ(Xc0)

Published
1990

2. Measurement of γγ widths of charmonium states

Author

Chen, W-Y, McIlwain, RL, Miller, DH, Ng, CR, Schaffner, SF, Shibata, EI, Yao, W-M, Sparks, K, Thorndike, EH, Wang, C-H, Alam, MS, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Wang, P-N, Zoeller, MI, Bortoletto, D, Goldberg, M, Horwitz, N, Jain, V, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Thulasidas, M, Csorna, SE, Letson, T, Alexander, J, Artuso, M, Bebek, C, Berkelman, K, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeWire, JW, Dell, PS, Ehrlich, R, Galik, RS, Gittlman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Katayama, N, Kreinick, DL, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, Sadoff, AJ, Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, Richard, Wolinski, J, Xiao, D, Ammar, R, Baringer, P, Coppage, D, Haas, P, Lam, Ha, Jawahery, A, Park, CH, Kubota, Y, Nelson, JK, Perticone, D, Poling, R, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, and Wilson, P

Subjects
Mathematical Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics
Abstract

Using the CLEO detector at the Cornell Electron Storage Ring, we have searched for two-photon production of charmonium in four-track final states. We have measured Γγγ(ηc)=5.9+2.1-1.8±1.9 keV, and we have obtained 95% CL upper limits of Γγγ(Xc0)

Published
1990

3. P-wave charmed mesons in e+e- annihilation

Author

Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, Richard, Wolinski, J, Xiao, D, Ammar, R, Baringer, P, Haas, P, Lam, Ha, Jawahery, A, Park, CH, Nelson, JK, Perticone, D, Poling, R, Chen, W-Y, Dominick, J, McIlwain, RL, Miller, DH, Ng, CR, Schaffner, SF, Shibata, EI, Yao, W-M, Sparks, K, Thorndike, EH, Alam, MS, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, Bortoletto, D, Goldberg, M, Horwitz, N, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Csorna, SE, Letson, T, Alexander, J, Artuso, M, Bebek, C, Berkelman, K, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeWire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Katayama, N, Kreinick, DL, Kubota, Y, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, and Sadoff, AJ

Subjects
Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract

Using the CLEO detector at the Cornell Electron Storage Ring, we have found evidence for L=1 charmed mesons in e+e- annihilations. We observe a D**0 state at mass 2461±3±1 MeV/c2 and width 20-12-10+9+9 MeV/c2 decaying to D+-. We also see an enhancement in the m(D*+-)-m(D*+) mass-difference spectrum and by examining D*+ decay-angle dependence, we see structure consistent with two states decaying to D*+-. We observe a lower-mass state, at mass (2428±3±2) MeV/c2 and width (23-6-4+8+10) MeV/c2, assuming that the higher-mass component is from the decay D**0(2461)D*+-. We present arguments for the spin-parity assignments of these states. We also report observation of candidate L=1 cs» state decaying to D*+Ks0. © 1990 The American Physical Society.

Published
1990

4. Search for neutrinoless decays of the τ lepton

Author

Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, Richard, Wolinski, J, Xiao, D, Ammar, R, Baringer, P, Coppage, D, Haas, P, Lam, Ha, Jawahery, A, Park, CH, Kubota, Y, Nelson, JK, Perticone, D, Poling, R, Chen, W-Y, Dominick, J, McIlwain, RL, Miller, DH, Ng, CR, Schaffner, SF, Shibata, EI, Yao, W-M, Sparks, K, Thorndike, EH, Alam, MS, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, Bortoletto, D, Goldberg, M, Horwitz, N, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Csorna, SE, Letson, T, Alexander, J, Artuso, M, Bebek, C, Berkelman, K, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeWire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Katayama, N, Kreinick, DL, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, Sadoff, AJ, Avery, P, Besson, D, Garren, L, and Yelton, J

Subjects
Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract

We have searched for neutrinoless decays into three charged particles. Evidence of such decays would demonstrate nonconservation of lepton flavor and, in some cases, lepton number. We see no signal for any such neutrinoless decays and set upper limits on their branching fractions. © 1990 The American Physical Society.

Published
1990

5. Search for neutrinoless decays of the tau lepton.

Author

Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, R, Wolinski, J, Xiao, D, Ammar, R, Baringer, P, Coppage, D, Haas, P, Lam, H, Jawahery, A, Park, CH, Kubota, Y, Nelson, JK, Perticone, D, Poling, R, Chen, W, Dominick, J, McIlwain, RL, Miller, DH, Ng, CR, Schaffner, SF, Shibata, EI, Yao, W, Sparks, K, Thorndike, EH, Alam, MS, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, Bortoletto, D, Goldberg, M, Horwitz, N, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IP, Skwarnicki, T, Csorna, SE, Letson, T, Alexander, J, Artuso, M, Bebek, C, Berkelman, K, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeWire, JW, Drell, PS, Ehrlich, R, Galik, RS, and Gittelman, B

Subjects
Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Abstract

We have searched for neutrinoless decays into three charged particles. Evidence of such decays would demonstrate nonconservation of lepton flavor and, in some cases, lepton number. We see no signal for any such neutrinoless decays and set upper limits on their branching fractions. © 1990 The American Physical Society.

Published
1990

6. P-wave charmed mesons in e+e- annihilation.

Author

Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, R, Wolinski, J, Xiao, D, Ammar, R, Baringer, P, Haas, P, Lam, H, Jawahery, A, Park, CH, Nelson, JK, Perticone, D, Poling, R, Chen, W, Dominick, J, McIlwain, RL, Miller, DH, Ng, CR, Schaffner, SF, Shibata, EI, Yao, W, Sparks, K, Thorndike, EH, Alam, MS, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, Bortoletto, D, Goldberg, M, Horwitz, N, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IP, Skwarnicki, T, Csorna, SE, Letson, T, Alexander, J, Artuso, M, Bebek, C, Berkelman, K, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeWire, JW, Drell, PS, and Ehrlich, R

Subjects
Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Abstract

Using the CLEO detector at the Cornell Electron Storage Ring, we have found evidence for L=1 charmed mesons in e+e- annihilations. We observe a D**0 state at mass 2461±3±1 MeV/c2 and width 20-12-10+9+9 MeV/c2 decaying to D+-. We also see an enhancement in the m(D*+-)-m(D*+) mass-difference spectrum and by examining D*+ decay-angle dependence, we see structure consistent with two states decaying to D*+-. We observe a lower-mass state, at mass (2428±3±2) MeV/c2 and width (23-6-4+8+10) MeV/c2, assuming that the higher-mass component is from the decay D**0(2461)D*+-. We present arguments for the spin-parity assignments of these states. We also report observation of candidate L=1 cs» state decaying to D*+Ks0. © 1990 The American Physical Society.

Published
1990

7. Measurement of the muonic branching fractions of the Υ(1S) and Υ(3S)

Author

Chen, W-Y, McIlwain, RL, Miller, DH, Ng, CR, Shibata, EI, Yao, W-M, Thorndike, EH, Alam, MS, Katayama, N, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Bortoletto, D, Goldberg, M, Horwitz, N, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Csorna, SE, Letson, T, Brock, IC, Ferguson, T, Artuso, M, Bebek, C, Berkelman, K, Blucher, E, Byrd, J, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeSalvo, R, DeWire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Kowalewski, R, Kreinick, DL, Kubota, Y, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O’Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, Sadoff, AJ, Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, Richard, Wolinski, J, Xiao, D, Baringer, P, Haas, P, Lam, Ha, Jawahery, A, Park, CH, Perticone, D, Poling, R, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, and Whitmore, J

Subjects
Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics, Nuclear & Particles Physics
Abstract

Using the CLEO detector at the Cornell Electron Storage Ring, we have measured the muonic branching fractions B of the (1S) and (3S) to be (2.520.070.07)% and (2.020.190.33)%, respectively. © 1989 The American Physical Society.

Published
1989

8. Measurement of Ds decay modes

Author

Chen, W-Y, McIlwain, RL, Miller, DH, Ng, CR, Shibata, EI, Yao, W-M, Sparks, K, Thorndike, EH, Alam, MS, Katayama, N, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Bortoletto, D, Goldberg, M, Horwitz, N, Lubrano, P, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Csorna, SE, Letson, T, Brock, IC, Ferguson, T, Alexander, J, Artuso, M, Bebek, C, Berkelman, K, Blucher, E, Byrd, J, Cassel, DG, Cheu, E, Coffman, DM, Copie, T, Crawford, G, DeSalvo, R, DeWire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Kreinick, DL, Kubota, Y, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, Sadoff, AJ, Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, Richard, Wolinski, J, Xiao, D, Baringer, P, Haas, P, Lam, Ha, Jawahery, A, Park, CH, Perticone, D, Poling, R, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, and Whitmore, J

Subjects
Intellectual and Developmental Disabilities (IDD), Down Syndrome, Brain Disorders, Mathematical Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics
Abstract

Using the CLEO detector, we have measured the branching ratios for the exclusive decays of the Ds+ meson into K*0K+, K0K+, and K*+K0 relative to the decay Ds+→φπ+ to be close to unity. We have also measured the mass diference between the Ds+ and D+ meson to be 98.5±1.5 MeV/c2. © 1989.

Published
1989

9. First observation of inclusive ψ production in ψ decays

Author

Collaboration, CLEO, Fulton, R, Haas, P, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, Baringer, P, Chen, W-Y, McIlwain, RL, Miller, DH, Ng, CR, Shibata, EI, Yao, W-M, Alam, MS, Chen, D, Katayama, N, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Tanikella, V, Bortoletto, D, Goldberg, M, Horwitz, N, Lubrano, P, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Csorna, SE, Letson, T, Brock, IC, Ferguson, T, Artuso, M, Bebek, C, Berkelman, K, Blucher, E, Byrd, J, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeSalvo, R, DeWire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Kowalewski, R, Kreinick, DL, Kubota, Y, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Perticone, D, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, Sadoff, AJ, Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, Richard, Wolinski, J, Xiao, D, Jawahery, A, Park, CH, and Poling, R

Subjects
Mathematical Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics
Abstract

The branching ratio for inclusive ψ production in ψ(1S) decays is measured to be (0.11 ± 0.04 ± 0.02)%. © 1989.

Published
1989

10. Measurement of the isospin mass splitting Ξ+cΞ0c

Author

Alam, MS, Katayama, N, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Bortoletto, D, Goldberg, M, Horwitz, N, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Csorna, SE, Letson, T, Brock, IC, Ferguson, T, Alexander, J, Artuso, M, Bebek, C, Berkelman, K, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, Dewire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Kowalewski, R, Kreinick, DL, Kubota, Y, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, Sadoff, AJ, Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, Richard, Wolinski, J, Xiao, D, Ammar, R, Baringer, P, Haas, P, Lam, Ha, Jawahery, A, Park, CH, Perticone, D, Poling, R, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, Chen, W-Y, Dominick, J, McIlwain, RL, Miller, DH, Ng, CR, Shibata, EI, Yao, W-M, Sparks, K, and Thorndike, EH

Subjects
Mathematical Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics
Abstract

Using the CLEO detector, we present a measurement of the mass of the charged charmed strange baryon Ξ+c and its neutral counterpart the Ξ0c. The Ξ+c is observed through its decay to Ξ-π+π+, and its mass is measured to be (2467±3±4) MeV. The isospin mass splitting of the Ξc system is found to be M(Ξ+c)-M(Ξ0c)=(-5±4±1)MeV. © 1989.

Published
1989

11. A search for exclusive penguin decays of B mesons

Author

Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, Richard, Wolinski, J, Xiao, D, Baringer, P, Haas, P, Lam, Ha, Jawahery, A, Park, CH, Perticone, D, Poling, R, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, Chen, W-Y, Dominick, J, McIlwain, RL, Miller, DH, Ng, CR, Shibata, EI, Yao, W-M, Thorndike, EH, Alam, MS, Katayama, N, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Bortoletto, D, Goldberg, M, Horwitz, N, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Csorna, SE, Letson, T, Brock, IC, Ferguson, T, Artuso, M, Bebek, C, Byrd, J, Berkelman, K, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeWire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Kowalewski, R, Kreinick, DL, Kubota, Y, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, and Sadoff, AJ

Subjects
Mathematical Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Nuclear & Particles Physics
Abstract

We have measured upper limits on branching fractions for rare exclusive decays of B mesons arising from one-loop diagrams in the standard model of electroweak interactions. We also obtain an upper limit for the lepton-number-violating decay B0→μ±e∓. © 1989.

Published
1989

12. Measurement of the muonic branching fractions of the Upsilon (1S) and Upsilon (3S).

Author

Chen, W, McIlwain, RL, Miller, DH, Ng, CR, Shibata, EI, Yao, W, Thorndike, EH, Alam, MS, Katayama, N, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Bortoletto, D, Goldberg, M, Horwitz, N, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IP, Skwarnicki, T, Csorna, SE, Letson, T, Brock, IC, Ferguson, T, Artuso, M, Bebek, C, Berkelman, K, Blucher, E, Byrd, J, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeSalvo, R, DeWire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Kowalewski, R, Kreinick, DL, Kubota, Y, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, and Sadoff, AJ

Subjects
Nuclear & Particles Physics, Astronomical and Space Sciences, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Quantum Physics
Abstract

Using the CLEO detector at the Cornell Electron Storage Ring, we have measured the muonic branching fractions B of the (1S) and (3S) to be (2.520.070.07)% and (2.020.190.33)%, respectively. © 1989 The American Physical Society.

Published
1989

13. First observation of inclusive ψ production in ψ decays

Author

Fulton, R, Haas, P, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, Baringer, P, Chen, WY, McIlwain, RL, Miller, DH, Ng, CR, Shibata, EI, Yao, WM, Alam, MS, Chen, D, Katayama, N, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Tanikella, V, Bortoletto, D, Goldberg, M, Horwitz, N, Lubrano, P, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Csorna, SE, Letson, T, Brock, IC, Ferguson, T, Artuso, M, Bebek, C, Berkelman, K, Blucher, E, Byrd, J, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeSalvo, R, DeWire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Kowalewski, R, Kreinick, DL, Kubota, Y, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Perticone, D, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, Sadoff, AJ, Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, R, Wolinski, J, Xiao, D, Jawahery, A, Park, CH, and Poling, R

Subjects
Nuclear & Particles Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Astronomical and Space Sciences, Mathematical Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

The branching ratio for inclusive ψ production in ψ(1S) decays is measured to be (0.11 ± 0.04 ± 0.02)%. © 1989.

Published
1989

14. Measurement of the isospin mass splitting Ξ+cΞ0c

Author

Alam, MS, Katayama, N, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Bortoletto, D, Goldberg, M, Horwitz, N, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Csorna, SE, Letson, T, Brock, IC, Ferguson, T, Alexander, J, Artuso, M, Bebek, C, Berkelman, K, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, Dewire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Kowalewski, R, Kreinick, DL, Kubota, Y, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, Sadoff, AJ, Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, R, Wolinski, J, Xiao, D, Ammar, R, Baringer, P, Haas, P, Lam, H, Jawahery, A, Park, CH, Perticone, D, Poling, R, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, Chen, WY, Dominick, J, McIlwain, RL, Miller, DH, Ng, CR, Shibata, EI, Yao, WM, Sparks, K, and Thorndike, EH

Subjects
Nuclear & Particles Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Astronomical and Space Sciences, Mathematical Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

Using the CLEO detector, we present a measurement of the mass of the charged charmed strange baryon Ξ+c and its neutral counterpart the Ξ0c. The Ξ+c is observed through its decay to Ξ-π+π+, and its mass is measured to be (2467±3±4) MeV. The isospin mass splitting of the Ξc system is found to be M(Ξ+c)-M(Ξ0c)=(-5±4±1)MeV. © 1989.

Published
1989

15. Measurement of Ds decay modes

Author

Chen, WY, McIlwain, RL, Miller, DH, Ng, CR, Shibata, EI, Yao, WM, Sparks, K, Thorndike, EH, Alam, MS, Katayama, N, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Bortoletto, D, Goldberg, M, Horwitz, N, Lubrano, P, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Csorna, SE, Letson, T, Brock, IC, Ferguson, T, Alexander, J, Artuso, M, Bebek, C, Berkelman, K, Blucher, E, Byrd, J, Cassel, DG, Cheu, E, Coffman, DM, Copie, T, Crawford, G, DeSalvo, R, DeWire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Kreinick, DL, Kubota, Y, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, Sadoff, AJ, Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, R, Wolinski, J, Xiao, D, Baringer, P, Haas, P, Lam, H, Jawahery, A, Park, CH, Perticone, D, Poling, R, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, and Whitmore, J

Subjects
Down Syndrome, Brain Disorders, Intellectual and Developmental Disabilities, Nuclear & Particles Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Astronomical and Space Sciences, Mathematical Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

Using the CLEO detector, we have measured the branching ratios for the exclusive decays of the Ds+ meson into K*0K+, K0K+, and K*+K0 relative to the decay Ds+→φπ+ to be close to unity. We have also measured the mass diference between the Ds+ and D+ meson to be 98.5±1.5 MeV/c2. © 1989.

Published
1989

16. A search for exclusive penguin decays of B mesons

Author

Avery, P, Besson, D, Garren, L, Yelton, J, Bowcock, T, Kinoshita, K, Pipkin, FM, Procario, M, Wilson, R, Wolinski, J, Xiao, D, Baringer, P, Haas, P, Lam, H, Jawahery, A, Park, CH, Perticone, D, Poling, R, Fulton, R, Hempstead, M, Jensen, T, Johnson, DR, Kagan, H, Kass, R, Morrow, F, Whitmore, J, Chen, WY, Dominick, J, McIlwain, RL, Miller, DH, Ng, CR, Shibata, EI, Yao, WM, Thorndike, EH, Alam, MS, Katayama, N, Kim, IJ, Li, WC, Lou, XC, Sun, CR, Bortoletto, D, Goldberg, M, Horwitz, N, Mestayer, MD, Moneti, GC, Sharma, V, Shipsey, IPJ, Skwarnicki, T, Csorna, SE, Letson, T, Brock, IC, Ferguson, T, Artuso, M, Bebek, C, Byrd, J, Berkelman, K, Cassel, DG, Cheu, E, Coffman, DM, Crawford, G, DeWire, JW, Drell, PS, Ehrlich, R, Galik, RS, Gittelman, B, Gray, SW, Halling, AM, Hartill, DL, Heltsley, BK, Kandaswamy, J, Kowalewski, R, Kreinick, DL, Kubota, Y, Lewis, JD, Mistry, NB, Mueller, J, Namjoshi, R, Nandi, S, Nordberg, E, O'Grady, C, Peterson, D, Pisharody, M, Riley, D, Sapper, M, Silverman, A, Stone, S, Worden, H, Worris, M, and Sadoff, AJ

Subjects
Nuclear & Particles Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics, Astronomical and Space Sciences, Mathematical Physics, Atomic, Molecular, Nuclear, Particle and Plasma Physics
Abstract

We have measured upper limits on branching fractions for rare exclusive decays of B mesons arising from one-loop diagrams in the standard model of electroweak interactions. We also obtain an upper limit for the lepton-number-violating decay B0→μ±e∓. © 1989.

Published
1989

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