Zobrazeno 1 - 10
of 522
pro vyhledávání: '"Gidal, G"'
Autor:
HyperCP Collaboration, Kamaev, O., Solomey, N., Burnstein, R. A., Chakravorty, A., Chen, Y. C., Choong, W. -S., Clark, K., Dukes, E. C., Durandet, C., Felix, J., Fu, Y., Gidal, G., Gustafson, H. R., Holmstrom, T., Huang, M., James, C., Jenkins, C. M., Jones, T. D., Kaplan, D. M., Longo, M. J., Lu, L. C., Luebke, W., Luk, K. -B., Nelson, K. S., Park, H. K., Perroud, J. -P., Rajaram, D., Rubin, H. A., Volk, J., White, C. G., White, S. L., Zyla, P.
Publikováno v:
Phys.Lett.B693:236-240,2010
We report a new measurement of the decay \Omega^- \to \Xi^- \pi^+ \pi^- with 76 events and a first observation of the decay \Omega^+ \to \Xi^+ \pi^+ \pi^- with 24 events, yielding a combined branching ratio (3.74 ^{+0.67}_{-0.56}) \times 10^{-4}. Thi
Externí odkaz:
http://arxiv.org/abs/1008.4405
Autor:
HyperCP Collaboration, Rajaram, D., Burnstein, R. A., Chakravorty, A., Chen, Y. C., Choong, W. -S., Clark, K., Dukes, E. C., Durandet, C., Felix, J., Fu, Y., Gidal, G., Gustafson, H. R., Holmstrom, T., Huang, M., James, C., Jenkins, C. M., Jones, T. D., Kaplan, D. M., Longo, M. J., Lu, L. C., Luebke, W., Luk, K. -B., Nelson, K. S., Park, H. K., Perroud, J. -P., Rubin, H. A., Volk, J., White, C. G., White, S. L., Zyla, P.
Publikováno v:
Phys.Rev.Lett.94:181801,2005
A sensitive search for the lepton-number-violating decay $\Xi^-\to p \mu^-\mu^-$ has been performed using a sample of $\sim10^9$ $\Xi^-$ hyperons produced in 800 GeV/$c$ $p$-Cu collisions. We obtain $\mathcal{B}(\Xi^-\to p \mu^-\mu^-)< 4.0\times 10^{
Externí odkaz:
http://arxiv.org/abs/hep-ex/0505025
Autor:
HyperCP Collaboration, Lu, L. C., Burnstein, R. A., Chakravorty, A., Chen, Y. C., Choong, W. -S., Clark, K., Dukes, E. C., Durandet, C., Felix, J., Fu, Y., Gidal, G., Gustafson, H. R., Holmstrom, T., Huang, M., James, C., Jenkins, C. M., Jones, T. D., Kaplan, D. M., Longo, M. J., Luebke, W., Luk, K. -B., Nelson, K. S., Park, H. K., Perroud, J. -P., Rajaram, D., Rubin, H. A., Volk, J., White, C. G., White, S. L., Zyla, P.
Publikováno v:
Phys.Lett.B617:11-17,2005
The alpha decay parameter in the process Omega-minus -> Lambda + K-minus has been measured from a sample of 4.50 million unpolarized Omega-minus decays recorded by the HyperCP (E871) experiment at Fermilab and found to be [1.78 +/- 0.19(stat) +/- 0.1
Externí odkaz:
http://arxiv.org/abs/hep-ex/0505010
Autor:
White, C. G., Burnstein, R. A., Chakravorty, A., Chan, A., Chen, Y. C., Choong, W. S., Clark, K., Dukes, E. C., Durandet, C., Felix, J., Gidal, G., Gu, P., Gustafson, H. R., Ho, C., Holmstrom, T., Huang, M., James, C., Jenkins, C. M., Kaplan, D. M., Lederman, L. M., Leros, N., Longo, M. J., Lopez, F., Lu, L. C., Luebke, W., Luk, K. B., Nelson, K. S., Park, H. K., Perroud, J. -P., Rajaram, D., Rubin, H. A., Teng, P. K., Volk, J., White, S. L., Zyla, P.
Publikováno v:
Phys.Rev.Lett.94:101804,2005
A sensitive search for the rare decays \Omega^- \to \Lambda \pi^- and \Xi^0 \to p \pi^- has been performed using data from the 1997 run of the HyperCP (Fermilab E871) experiment. Limits on other such processes do not exclude the possibility of observ
Externí odkaz:
http://arxiv.org/abs/hep-ex/0503036
Autor:
HyperCP Collaboration, Chen, Y. C., Burnstein, R. A., Chakravorty, A., Chan, A., Choong, W. S., Clark, K., Dukes, E. C., Durandet, C., Felix, J., Gidal, G., Gu, P., Gustafson, H. R., Ho, C., Holmstrom, T., Huang, M., James, C., Jenkins, C. M., Kaplan, D. M., Lederman, L. M., Leros, N., Longo, M. J., Lopez, F., Lu, L. C., Luebke, W., Luk, K. B., Nelson, K. S., Park, H. K., Perroud, J. P., Rajaram, D., Rubin, H. A., Teng, P. K., Volk, J., White, C. G., White, S. L., Zyla, P.
Publikováno v:
Phys.Rev.D71:051102,2005
We have measured the alpha parameter of the Omega- to Lambda K- decay using data collected with the HyperCP spectrometer during the 1997 fixed-target run at Fermilab. Analyzing a sample of 0.96 million Omega- to Lambda K^-, Lambda to p pi- decays, we
Externí odkaz:
http://arxiv.org/abs/hep-ex/0502043
Autor:
Park, H. K., Burnstein, R. A., Chakravorty, A., Chen, Y. C., Choong, W. S., Clark, K., Dukes, E. C., Durandet, C., Felix, J., Fu, Y., Gidal, G., Gustafson, H. R., Holmstrom, T., Huang, M., James, C., Jenkins, C. M., Jones, T., Kaplan, D. M., Lederman, L. M., Leros, N., Longo, M. J., Lopez, F., Lu, L. C., Luebke, W., Luk, K. B., Nelson, K. S., Perroud, J. -P., Rajaram, D., Rubin, H. A., Volk, J., White, C. G., White, S. L., Zyla, P.
Publikováno v:
Phys.Rev.Lett.94:021801,2005
We report the first evidence for the decay Sigma+ -> p mu+ mu- from data taken by the HyperCP experiment(E871) at Fermilab. Based on three observed events, the branching ratio is B(Sigma+ -> p,mu+,mu-) = [8.6 +6.6,-5.4(stat) +/-5.5(syst)] x 10**-8. T
Externí odkaz:
http://arxiv.org/abs/hep-ex/0501014
Autor:
HyperCP Collaboration, Holmstrom, T., Leros, N., Burnstein, R. A., Chakravorty, A., Chan, A., Chen, Y. C., Choong, W. S., Clark, K., Dukes, E. C., Durandet, C., Felix, J., Fu, Y., Gidal, G., Gu, P., Gustafson, H. R., Ho, C., Huang, M., James, C., Jenkins, C. M., Jones, T., Kaplan, D. M., Lederman, L. M., Longo, M. J., Lopez, F., Lu, L. C., Luebke, W., Luk, K. B., Nelson, K. S., Park, H. K., Perroud, J. P., Rajaram, D., Rubin, H. A., Teng, P. K., Volk, J., White, C. G., White, S. L., Zyla, P.
Publikováno v:
Phys.Rev.Lett.93:262001,2004
We have compared the proton and antiproton angular distributions in 117 million Xi-minus -> Lambda + pi-minus -> proton + pi-minus + pi-minus and 41 million anti-Xi-minus -> anti-Lamba + pi-plus -> antiproton + pi-plus + pi-plus decays using a subset
Externí odkaz:
http://arxiv.org/abs/hep-ex/0412038
Autor:
Longo, M. J., Burnstein, R. A., Chakravorty, A., Chen, Y. C., Choong, W. S., Clark, K., Dukes, E. C., Durandet, C., Felix, J., Fu, Y., Gidal, G., Gustafson, H. R., Holmstrom, T., Huang, M., James, C., Jenkins, C. M., Jones, T., Kaplan, D. M., Lederman, L. M., Leros, N., Lopez, F., Lu, L. C., Luebke, W., Luk, K. B., Nelson, K. S., Park, H. K., Perroud, J. -P., Rajaram, D., Rubin, H. A., Volk, J., White, C. G., White, S., Zyla, P.
Publikováno v:
Phys.Rev.D70:111101,2004
We have searched for Theta+(1.54) -> K0,p decays using data from the 1999 run of the HyperCP experiment at Fermilab. We see no evidence for a narrow peak in the K0,p mass distribution near 1.54 GeV/c among 106,000 K0,p candidates, and obtain an upper
Externí odkaz:
http://arxiv.org/abs/hep-ex/0410027
Autor:
HyperCP collaboration, Burnstein, R. A., Chakravorty, A., Chan, A., Chen, Y. C., Choong, W. -S., Clark, K., Dukes, E. C., Durandet, C., Felix, J., Fuzesy, R., Gidal, G., Gu, P., Gustafson, H. R., Ho, C., Holmstrom, T., Huang, M., James, C., Jenkins, C. M., Jones, T. D., Kaplan, D. M., Lederman, L. M., Leros, N., Longo, M. J., Lopez, F., Lu, L. C., Luebke, W., Luk, K. -B., Nelson, K. S., Park, H. K., Perroud, J. -P., Rajaram, D., Rubin, H. A., Teng, P. K., Turko, B., Volk, J., White, C. G., White, S. L., Zyla, P.
Publikováno v:
Nucl.Instrum.Meth.A541:516-565,2005
The HyperCP experiment (Fermilab E871) was designed to search for rare phenomena in the decays of charged strange particles, in particular CP violation in $\Xi$ and $\Lambda$ hyperon decays with a sensitivity of $10^{-4}$. Intense charged secondary b
Externí odkaz:
http://arxiv.org/abs/hep-ex/0405034
Search for flavor-changing neutral currents and lepton-family-number violation in two-body D0 decays
Autor:
Pripstein, D., Brown, C. N., Carey, T. A., Chen, Y. C., Childers, R. L., Cooper, W. E., Darden, C. W., Gidal, G., Gounder, K. N., Ho, P. M., Isenhower, L. D., Jansen, D. M., Jeppesen, R. G., Kaplan, D. M., Kapustinsky, J. S., Kiang, G. C., Kowitt, M. S., Lane, D. W., Lederman, L. M., Leitch, M. J., Lillberg, J. W., Luebke, W. R., Luk, K. B., McGaughey, P. L., Mishra, C. S., Moss, J. M., Peng, J. C., Preston, R. S., Sa, J., Sadler, M. E., Schnathorst, R., Schub, M. H., Tanikella, V., Teng, P. K., Wilson, J. R.
Publikováno v:
Phys.Rev.D61:032005,2000
Results of a search for the three neutral charm decays, D0 -> mu e, D0 -> mu mu, and D0 -> e e, are presented. This study was based on data collected in Experiment 789 at the Fermi National Accelerator Laboratory using 800 GeV/c proton-Au and proton-
Externí odkaz:
http://arxiv.org/abs/hep-ex/9906022