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6 results on '"Bukin, K"'

1. Measurements of charmless hadronic two-body B meson decays and the ratio B(B -> DK)/(B -> D pi)

Author

Bornheim, A., Lipeles, E., Pappas, S. P., Shapiro, A., Sun, W. M., Weinstein, A. J., Briere, R. A., Chen, G. P., Ferguson, T., Tatishvili, G., Vogel, H., Adam, N. E., Alexander, J. P., Berkelman, K., Blanc, F., Boisvert, V., Cassel, D. G., Drell, P. S., Duboscq, J. E., Ecklund, K. M., Ehrlich, R., Galik, R. S., Gibbons, L., Gittelman, B., Gray, S. W., Hartill, D. L., Heltsley, B. K., Hsu, L., Jones, C. D., Kandaswamy, J., Kreinick, D. L., Magerkurth, A., Mahlke-Kruger, H., Meyer, T. O., Mistry, N. B., Patterson, J. R., Peterson, D., Pivarski, J., Richichi, S. J., Riley, D., Sadoff, A. J., Schwarthoff, H., Shepherd, M. R., Thayer, J. G., Urner, D., Wilksen, T., Warburton, A., Weinberger, M., Athar, S. B., Avery, P., Breva-Newell, L., Potlia, V., Stoeck, H., Yelton, J., Benslama, K., Eisenstein, B. I., Gollin, G. D., Karliner, I., Lowrey, N., Plager, C., Sedlack, C., Selen, M., Thaler, J. J., Williams, J., Edwards, K. W., Besson, D., Zhao, X., Anderson, S., Frolov, V. V., Gong, D. T., Kubota, Y., Li, S. Z., Poling, R., Smith, A., Stepaniak, C. J., Urheim, J., Metreveli, Z., Seth, K. K., Tomaradze, A., Zweber, P., Ahmed, S., Alam, M. S., Ernst, J., Jian, L., Saleem, M., Wappler, F., Arms, K., Eckhart, E., Gan, K. K., Gwon, C., Honscheid, K., Hufnagel, D., Kagan, H., Kass, R., Pedlar, T. K., von Toerne, E., Zoeller, M. M., Severini, H., Skubic, P., Dytman, S. A., Mueller, J. A., Nam, S., Savinov, V., Hinson, J. W., Lee, J., Miller, D. H., Pavlunin, V., Sanghi, B., Shibata, E. I., Shipsey, I. P. J., Cronin-Hennessy, D., Lyon, A. L., Park, C. S., Park, W., Thayer, J. B., Thorndike, E. H., Coan, T. E., Gao, Y. S., Liu, F., Maravin, Y., Stroynowski, R., Artuso, M., Boulahouache, C., Blusk, S., Bukin, K., Dambasuren, E., Mountain, R., Muramatsu, H., Nandakumar, R., Skwarnicki, T., Stone, S., Wang, J. C., Mahmood, A. H., Csorna, S. E., Danko, I., Bonvicini, G., Cinabro, D., Dubrovin, M., and McGee, S.

Subjects
qcd factorization, weak phase, search, gamma, asymmetries, detector, eta'
Abstract

We present final measurements of 13 charmless hadronic B decay modes from the CLEO experiment. The decay modes include the ten pipi, Kpi, and KK final states and new limits on dibaryonic final states, p (p) over bar, p (&ULambda;) over bar, and Lambda(&ULambda;) over bar, as well as a new determination of the ratio B(B-->DK)/B(B-->Dpi). The results are based on the full CLEO II and CLEO III data samples totalling 15.3 fb(-1) at the Y(4S), and supercede previously published results.

Published
2003

2. First search for the flavor changing neutral current decay D-0 -> gamma gamma

Author

Coan, T. E., Gao, Y. S., Liu, F., Maravin, Y., Stroynowski, R., Artuso, M., Boulahouache, C., Blusk, S., Bukin, K., Dambasuren, E., Moneti, G. C., Mountain, R., Muramatsu, H., Nandakumar, R., Skwarnicki, T., Stone, S., Wang, J. C., Mahmood, A. H., Csorna, S. E., Danko, I., Bonvicini, G., Cinabro, D., Dubrovin, M., McGee, S., Bornheim, A., Lipeles, E., Pappas, S. P., Shapiro, A., Sun, W. M., Weinstein, A. J., Briere, R. A., Chen, G. P., Ferguson, T., Tatishvili, G., Vogel, H., Adam, N. E., Alexander, J. P., Berkelman, K., Boisvert, V., Cassel, D. G., Drell, P. S., Duboscq, J. E., Ecklund, K. M., Ehrlich, R., Galik, R. S., Gibbons, L., Gittelman, B., Gray, S. W., Hartill, D. L., Heltsley, B. K., Hsu, L., Jones, C. D., Kandaswamy, J., Kreinick, D. L., Magerkurth, A., Mahlke-Kruger, H., Meyer, T. O., Mistry, N. B., Patterson, J. R., Peterson, D., Pivarski, J., Richichi, S. J., Riley, D., Sadoff, A. J., Schwarthoff, H., Shepherd, M. R., Thayer, J. G., Urner, D., Wilksen, T., Warburton, A., Weinberger, M., Athar, S. B., Avery, P., Breva-Newell, L., Potlia, V., Stoeck, H., Yelton, J., Benslama, K., Eisenstein, B. I., Gollin, G. D., Karliner, I., Lowrey, N., Plager, C., Sedlack, C., Selen, M., Thaler, J. J., Williams, J., Edwards, K. W., Ammar, R., Besson, D., Anderson, S., Frolov, V. V., Gong, D. T., Kubota, Y., Li, S. Z., Poling, R., Smith, A., Stepaniak, C. J., Urheim, J., Metreveli, Z., Seth, K. K., Tomaradze, A., Zweber, P., Ahmed, S., Alam, M. S., Ernst, J., Jian, L., Saleem, M., Wappler, F., Arms, K., Eckhart, E., Gan, K. K., Gwon, C., Honscheid, K., Hufnagel, D., Kagan, H., Kass, R., Pedlar, T. K., von Toerne, E., Zoeller, M. M., Severini, H., Skubic, P., Dytman, S. A., Mueller, J. A., Nam, S., Savinov, V., Chen, S., Hinson, J. W., Lee, J., Miller, D. H., Pavlunin, V., Shibata, E. I., Shipsey, I. P. J., Cronin-Hennessy, D., Lyon, A. L., Park, C. S., Park, W., Thayer, J. B., and Thorndike, E. H.

Subjects
standard model, detector
Abstract

Using 13.8 fb(-1) of data collected at or just below the Y(4S) with the CLEO detector, we report the result of a search for the flavor changing neutral current process D-0 --> gammagamma. We observe no significant signal for this decay mode and determine 90% confidence level upper limits on the branching fractions B(D-0 --> gammagamma)/B(D-0 --> pi(0)pi(0)) < 0.033 and B(D-0 --> gammagamma) < 2.9 x 10(-5).

Published
2003

3. Search for B ->(p)over-bare-(nu)over-bar(e) X decay using a partial reconstruction method

Author

Adam, N. E., Alexander, J. P., Berkelman, K., Boisvert, V., Cassel, D. G., Drell, P. S., Duboscq, J. E., Ecklund, K. M., Ehrlich, R., Galik, R. S., Gibbons, L., Gittelman, B., Gray, S. W., Hartill, D. L., Heltsley, B. K., Hsu, L., Jones, C. D., Kandaswamy, J., Kreinick, D. L., Magerkurth, A., Mahlke-Kruger, H., Meyer, T. O., Mistry, N. B., Patterson, J. R., Peterson, D., Pivarski, J., Richichi, S. J., Riley, D., Sadoff, A. J., Schwarthoff, H., Shepherd, M. R., Thayer, J. G., Urner, D., Wilksen, T., Warburton, A., Weinberger, M., Athar, S. B., Avery, P., Breva-Newell, L., Potlia, V., Stoeck, H., Yelton, J., Benslama, K., Eisenstein, B. I., Gollin, G. D., Karliner, I., Lowrey, N., Plager, C., Sedlack, C., Selen, M., Thaler, J. J., Williams, J., Edwards, K. W., Bean, A., Besson, D., Zhao, X., Anderson, S., Frolov, V. V., Gong, D. T., Kubota, Y., Li, S. Z., Poling, R., Smith, A., Stepaniak, C. J., Urheim, J., Metreveli, Z., Seth, K. K., Tomaradze, A., Zweber, P., Ahmed, S., Alam, M. S., Ernst, J., Jian, L., Saleem, M., Wappler, F., Arms, K., Eckhart, E., Gan, K. K., Gwon, C., Honscheid, K., Hufnagel, D., Kagan, H., Kass, R., Pedlar, T. K., von Toerne, E., Zoeller, M. M., Severini, H., Skubic, P., Dytman, S. A., Mueller, J. A., Nam, S., Savinov, V., Hinson, J. W., Lee, J., Miller, D. H., Pavlunin, V., Sanghi, B., Shibata, E. I., Shipsey, I. P. J., Cronin-Hennessy, D., Lyon, A. L., Park, C. S., Park, W., Thayer, J. B., Thorndike, E. H., Coan, T. E., Gao, Y. S., Liu, F., Maravin, Y., Stroynowski, R., Artuso, M., Boulahouache, C., Blusk, S., Bukin, K., Dambasuren, E., Mountain, R., Muramatsu, H., Nandakumar, R., Skwarnicki, T., Stone, S., Wang, J. C., Mahmood, A. H., Csorna, S. E., Danko, I., Bonvicini, G., Cinabro, D., Dubrovin, M., McGee, S., Bornheim, A., Lipeles, E., Pappas, S. P., Shapiro, A., Sun, W. M., Weinstein, A. J., Briere, R. A., Chen, G. P., Ferguson, T., Tatishvili, G., and Vogel, H.

Subjects
b-mesons, semileptonic decays, detector
Abstract

Using data collected on the Y(4S) resonance and the nearby continuum by the CLEO detector at the Cornell Electron Storage Ring, we have searched for the semileptonic decay of B mesons to e (p) over bar inclusive final states. We obtain an upper limit for b-->c decays of B(B-->(p) over bare(-)(ν) over bar X-e)u decay, we find an upper limit of B(B--->p (p) over bare(-)(ν) over bar (e))p (p) over bare(-)(ν) over bar (e))

Published
2003

4. Study of the charmless inclusive B ->eta ' X decay

Author

Bonvicini, G., Cinabro, D., Dubrovin, M., McGee, S., Bornheim, A., Lipeles, E., Pappas, S. P., Shapiro, A., Sun, W. M., Weinstein, A. J., Briere, R. A., Chen, G. P., Ferguson, T., Tatishvili, G., Vogel, H., Adam, N. E., Alexander, J. P., Berkelman, K., Boisvert, V., Cassel, D. G., Drell, P. S., Duboscq, J. E., Ecklund, K. M., Ehrlich, R., Galik, R. S., Gibbons, L., Gittelman, B., Gray, S. W., Hartill, D. L., Heltsley, B. K., Hsu, L., Jones, C. D., Kandaswamy, J., Kreinick, D. L., Magerkurth, A., Mahlke-Kruger, H., Meyer, T. O., Mistry, N. B., Patterson, J. R., Peterson, D., Pivarski, J., Richichi, S. J., Riley, D., Sadoff, A. J., Schwarthoff, H., Shepherd, M. R., Thayer, J. G., Urner, D., Wilksen, T., Warburton, A., Weinberger, M., Athar, S. B., Avery, P., Breva-Newell, L., Potlia, V., Stoeck, H., Yelton, J., Benslama, K., Eisenstein, B. I., Gollin, G. D., Karliner, I., Lowrey, N., Plager, C., Sedlack, C., Selen, M., Thaler, J. J., Williams, J., Edwards, K. W., Besson, D., Zhao, X., Anderson, S., Frolov, V. V., Gong, D. T., Kubota, Y., Li, S. Z., Poling, R., Smith, A., Stepaniak, C. J., Urheim, J., Metreveli, Z., Seth, K. K., Tomaradze, A., Zweber, P., Ahmed, S., Alam, M. S., Ernst, J., Jian, L., Saleem, M., Wappler, F., Arms, K., Eckhart, E., Gan, K. K., Gwon, C., Honscheid, K., Hufnagel, D., Kagan, H., Kass, R., Pedlar, T. K., von Toerne, E., Zoeller, M. M., Severini, H., Skubic, P., Dytman, S. A., Mueller, J. A., Nam, S., Savinov, V., Hinson, J. W., Lee, J., Miller, D. H., Pavlunin, V., Sanghi, B., Shibata, E. I., Shipsey, I. P. J., Cronin-Hennessy, D., Lyon, A. L., Park, C. S., Park, W., Thayer, J. B., Thorndike, E. H., Coan, T. E., Gao, Y. S., Liu, F., Maravin, Y., Stroynowski, R., Artuso, M., Boulahouache, C., Blusk, S., Bukin, K., Dambasuren, E., Mountain, R., Muramatsu, H., Nandakumar, R., Skwarnicki, T., Stone, S., Wang, J. C., Mahmood, A. H., Csorna, S. E., and Danko, I.

Subjects
b-decays, eta', detector, meson, model, quark, High Energy Physics::Experiment
Abstract

Based on a measurement of high momentum eta' production in B decays, we determine the charmless inclusive B-->eta'X-nc branching fraction in the lab-frame momentum interval 2.0 pairs collected at the Y(4S) center-of-mass energy with the CLEO II and II.V detector configurations, we find B(B--eta(')X(nc)) = [4.6+/-1.1+/-0.4+/-0.5]x10(-4) in the 2.0

Published
2003

5. Measurements of the branching fractions and helicity amplitudes in B -> D-*rho decays

Author

Csorna, S. E., Danko, I., Bonvicini, G., Cinabro, D., Dubrovin, M., McGee, S., Bornheim, A., Lipeles, E., Pappas, S. P., Shapiro, A., Sun, W. M., Weinstein, A. J., Briere, R. A., Chen, G. P., Ferguson, T., Tatishvili, G., Vogel, H., Adam, N. E., Alexander, J. P., Berkelman, K., Boisvert, V., Cassel, D. G., Drell, P. S., Duboscq, J. E., Ecklund, K. M., Ehrlich, R., Galik, R. S., Gibbons, L., Gittelman, B., Gray, S. W., Hartill, D. L., Heltsley, B. K., Hsu, L., Jones, C. D., Kandaswamy, J., Kreinick, D. L., Magerkurth, A., Mahlke-Kruger, H., Meyer, T. O., Mistry, N. B., Patterson, J. R., Peterson, D., Pivarski, J., Richichi, S. J., Riley, D., Sadoff, A. J., Schwarthoff, H., Shepherd, M. R., Thayer, J. G., Urner, D., Wilksen, T., Warburton, A., Weinberger, M., Athar, S. B., Avery, P., Breva-Newell, L., Potlia, V., Stoeck, H., Yelton, J., Benslama, K., Eisenstein, B. I., Gollin, G. D., Karliner, I., Lowrey, N., Plager, C., Sedlack, C., Selen, M., Thaler, J. J., Williams, J., Edwards, K. W., Besson, D., Zhao, X., Anderson, S., Frolov, V. V., Gong, D. T., Kubota, Y., Li, S. Z., Poling, R., Smith, A., Stepaniak, C. J., Urheim, J., Metreveli, Z., Seth, K. K., Tomaradze, A., Zweber, P., Ahmed, S., Alam, M. S., Ernst, J., Jian, L., Saleem, M., Wappler, F., Arms, K., Eckhart, E., Gan, K. K., Gwon, C., Honscheid, K., Hufnagel, D., Kagan, H., Kass, R., Pedlar, T. K., von Toerne, E., Zoeller, M. M., Severini, H., Skubic, P., Dytman, S. A., Mueller, J. A., Nam, S., Savinov, V., Hinson, J. W., Lee, J., Miller, D. H., Pavlunin, V., Sanghi, B., Shibata, E. I., Shipsey, I. P. J., Cronin-Hennessy, D., Lyon, A. L., Park, C. S., Park, W., Thayer, J. B., Thorndike, E. H., Coan, T. E., Gao, Y. S., Liu, F., Maravin, Y., Stroynowski, R., Artuso, M., Boulahouache, C., Blusk, S., Bukin, K., Dambasuren, E., Mountain, R., Muramatsu, H., Nandakumar, R., Skwarnicki, T., Stone, S., Wang, J. C., and Mahmood, A. H.

Subjects
High Energy Physics::Experiment, b-meson decays, final-states, detector, search, quark
Abstract

Using 9.1 fb(-1) of e(+)e(-) data collected at the Y(4S) with the CLEO detector using the Cornell Electron Storage Ring, measurements are reported for both the branching fractions and the helicity amplitudes for the decays B--->D(*0)rho(-) and (B) over bar (0)-->D(*+)rho(-). The fraction of longitudinal polarization in (B) over bar (0)-->D(*+)rho(-) is found to be consistent with that in (B) over bar (0)-->D(*+)l(-)(ν) over bar at q(2)=M-rho(2), indicating that the factorization approximation works well. The longitudinal polarization in the B- mode is similar. The measurements also show evidence of nontrivial final-state interaction phases for the helicity amplitudes.

Published
2003

6. First observation of the exclusive decays Lambda(+)(c)->Lambda pi(+)pi(+)pi(-)pi(0) and Lambda(+)(c)->Lambda omega pi(+)

Author

Cronin-Hennessy, D., Lyon, A. L., Park, C. S., Park, W., Thayer, J. B., Thorndike, E. H., Coan, T. E., Gao, Y. S., Liu, F., Maravin, Y., Stroynowski, R., Artuso, M., Boulahouache, C., Blusk, S., Bukin, K., Dambasuren, E., Mountain, R., Moneti, G. C., Muramatsu, H., Nandakumar, R., Skwarnicki, T., Stone, S., Wang, J. C., Mahmood, A. H., Csorna, S. E., Danko, I., Bonvicini, G., Cinabro, D., Dubrovin, M., McGee, S., Bornheim, A., Lipeles, E., Pappas, S. P., Shapiro, A., Sun, W. M., Weinstein, A. J., Briere, R. A., Chen, G. P., Ferguson, T., Tatishvili, G., Vogel, H., Adam, N. E., Alexander, J. P., Berkelman, K., Boisvert, V., Cassel, D. G., Drell, P. S., Duboscq, J. E., Ecklund, K. M., Ehrlich, R., Galik, R. S., Gibbons, L., Gittelman, B., Gray, S. W., Hartill, D. L., Heltsley, B. K., Hsu, L., Jones, C. D., Kandaswamy, J., Kreinick, D. L., Magerkurth, A., Mahlke-Kruger, H., Meyer, T. O., Mistry, N. B., Nordberg, E., Patterson, J. R., Peterson, D., Pivarski, J., Richichi, S. J., Riley, D., Sadoff, A. J., Schwarthoff, H., Shepherd, M. R., Thayer, J. G., Urner, D., Wilksen, T., Warburton, A., Weinberger, M., Athar, S. B., Avery, P., Breva-Newell, L., Potlia, V., Stoeck, H., Yelton, J., Benslama, K., Eisenstein, B. I., Gollin, G. D., Karliner, I., Lowrey, N., Plager, C., Sedlack, C., Selen, M., Thaler, J. J., Williams, J., Edwards, K. W., Ammar, R., Besson, D., Zhao, X., Anderson, S., Frolov, V. V., Gong, D. T., Kubota, Y., Li, S. Z., Poling, R., Smith, A., Stepaniak, C. J., Urheim, J., Metreveli, Z., Seth, K. K., Tomaradze, A., Zweber, P., Ahmed, S., Alam, M. S., Ernst, J., Jian, L., Saleem, M., Wappler, F., Arms, K., Eckhart, E., Gan, K. K., Gwon, C., Hart, T., Honscheid, K., Hufnagel, D., Kagan, H., Kass, R., Pedlar, T. K., von Toerne, E., Zoeller, M. M., Severini, H., Skubic, P., Dytman, S. A., Mueller, J. A., Nam, S., Savinov, V., Chen, S., Hinson, J. W., Lee, J., Miller, D. H., Pavlunin, V., Shibata, E. I., and Shipsey, I. P. J.

Subjects
detector, physics
Abstract

Using data collected by the CLEO III detector at CESR, we report on the first observation of the decays Lambda(c)(+)-->Lambdapi(+)pi(+)pi(-)pi(0) and Lambda(c)(+)-->Lambdaomegapi(+). The branching fractions are measured relative to the pK(-)pi(+) mode; we find B(Lambda(c)(+)-->Lambdapi(+)pi(+)pi(-)pi(0))/B(Lambda(c)(+)-->pK(-)pi(+))=0.36+/-0.09(stat)+/-0.09(syst) and B(Lambda(c)(+)-->Lambdaomegapi(+))/B(Lambda(c)(+)-->pK(-)pi(+))=0.24+/-0.06(stat)+/-0.06(syst). We also observe a small excess of events in Lambda(c)(+)-->Lambdaetapi(+), eta-->pi(+)pi(-)pi(0) from which we find B(Lambda(c)(+)-->Lambdaetapi(+))/B(Lambda(c)(+)-->pK(-)pi(+))=0.41+/-0.17+/-0.10 with a corresponding limit of Lambdaetapi(+), eta-->gammagamma. We find that the combined branching fractions for Lambda(c)(+)-->Lambdaomegapi(+) and Lambda(c)(+)-->Lambdaetapi(+) comprise (87+/-13)% of the total Lambda(c)(+)-->Lambdapi(+)pi(+)pi(-)pi(0) rate. We set an upper limit on B(Lambda(c)(+)-->Lambdapi(+)pi(+)pi(-)pi(0))/B(Lambda(c)(+)-->pK(-)pi(+)) for non-omega and non-eta modes of 0.13 at 90% confidence level.

Published
2003

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