Zobrazeno 1 - 10
of 46
pro vyhledávání: '"Zeller, M. E."'
Autor:
Atoian, G. S., Britvich, G. I., Chernichenko, S. K., Dhawan, S., Issakov, V. V., Karavichev, O. V., Karavicheva, T. L., Marin, V. N., Poblaguev, A. A., Shein, I. V., Soldatov, A. P., Zeller, M. E.
Publikováno v:
Nucl.Instrum.Meth.A584:291-303,2008
Shashlyk electromagnetic calorimeter modules with an energy resolution of about 3%/sqrt{E (GeV)} for 50-1000 MeV photons has been developed, and a prototype tested. Details of these improved modules, including mechanical construction, selection of wa
Externí odkaz:
http://arxiv.org/abs/0709.4514
Autor:
Ma, H., Appel, R., Atoyan, G. S., Bassalleck, B., Bergman, D. R., Cheung, N., Dhawan, S., Do, H., Egger, J., Eilerts, S., Herold, W., Issakov, V. V., Kaspar, H., Kraus, D. E., Lazarus, D. M., Lichard, P., Lowe, J., Lozano, J., Majid, W., Pislak, S., Poblaguev, A. A., Rehak, P., Sher, A., Thompson, J. A., Truoel, P., Zeller, M. E.
Publikováno v:
Phys.Rev.D73:037101,2006
Experiment 865 at the Brookhaven AGS has observed the decay K^+ -> e^+ nu mu^+ mu^-. The branching ratio extracted is (1.72 +/- 0.37(stat) +/- 0.17(syst) +/- 0.19(model)) x 10^{-8} where the third term in the error results from the use of a model to
Externí odkaz:
http://arxiv.org/abs/hep-ex/0505011
Autor:
Sher, Aleksey, Appel, R., Atoyan, G. S., Bassalleck, B., Bergman, D. R., Cheung, N., Dhawan, S., Do, H., Egger, J., Eilerts, S., Harold, W., Issakov, V. V., Kaspar, H., Kraus, D. E., Lazarus, D. M., Lichard, P., Lowe, J., Lozano, J., Ma, H., Majid, W., Pislak, S., Poblaguev, A. A., Rehak, P., Sher, A., Thompson, J. A., Truoel, P., Zeller, M. E.
Publikováno v:
Phys.Rev.D72:012005,2005
Based on results of a search for the lepton-family-number-violating decay $K^+ \to \pi^+\mu^+ e^-$ with data collected by experiment E865 at the Alternating Gradient Synchrotron of Brookhaven National Laboratory, we place an upper limit on the branch
Externí odkaz:
http://arxiv.org/abs/hep-ex/0502020
Autor:
Atoian, G. S., Issakov, V. V., Karavichev, O. V., Karavicheva, T. L., Poblaguev, A. A., Zeller, M. E.
Publikováno v:
Nucl.Instrum.Meth. A531 (2004) 467-480
A Shashlyk calorimeter prototype for the KOPIO experiment has been constructed and experimentally tested. The energy resolution of about 4%/sqrt(E(GeV)) for 0.5-2.0 GeV/c positrons was obtained. Based on this results as well as on the results of spec
Externí odkaz:
http://arxiv.org/abs/physics/0310047
Autor:
Sher, A., Appel, R., Atoyan, G. S., Bassalleck, B., Bergman, D. R., Cheung, N., Dhawan, S., Do, H., Egger, J., Eilerts, S., Fischer, H., Herold, W., Issakov, V. V., Kaspar, H., Kraus, D. E., Lazarus, D. M., Lichard, P., Lowe, J., Lozano, J., Ma, H., Majid, W., Pislak, S., Poblaguev, A. A., Rehak, P., Sher, Aleksey, Thompson, J. A., Truol, P., Zeller, M. E.
Publikováno v:
Phys.Rev.Lett.91:261802,2003
E865 at the Brookhaven National Laboratory AGS collected about 70,000 K+(e3) events with the purpose of measuring the relative K+(e3) branching ratio. The pi0 in all the decays was detected using the e+e- pair from pi0 -> e+e-gamma decay and no photo
Externí odkaz:
http://arxiv.org/abs/hep-ex/0305042
Autor:
Pislak, S., Appel, R., Atoyan, G. S., Bassalleck, B., Bergman, D. R., Cheung, N., Dhawan, S., Do, H., Egger, J., Eilerts, S., Fischer, H., Herold, W., Issakov, V. V., Kaspar, H., Kraus, D. E., Lazarus, D. M., Lichard, P., Lowe, J., Lozano, J., Ma, H., Majid, W., Poblaguev, A. A., Rehak, P., Sher, A., Sher, Aleksey, Thompson, J. A., Truöl, P., Zeller, M. E.
Publikováno v:
Phys.Rev.D67:072004,2003
We report experimental details and results of a new measurement of the decay K+ -> pi+pi-e+nue (Ke4}. A sample of more than 400,000 Ke4 events with low background has been collected by Experiment 865 at the Brookhaven Alternate Gradient Synchrotron.
Externí odkaz:
http://arxiv.org/abs/hep-ex/0301040
Autor:
Poblaguev, A. A., Appel, R., Atoyan, G. S., Bassalleck, B., Bergman, D. R., Cheung, N., Dhawan, S., Do, H., Egger, J., Eilerts, S., Herold, W., Issakov, V. V., Kaspar, H., Kraus, D. E., Lazarus, D. M., Lichard, P., Lowe, J., Lozano, J., Ma, H., Majid, W., Pislak, S., Rehak, P., Sher, A., Thompson, J. A., Truoel, P., Zeller, M. E.
Publikováno v:
Phys.Rev.Lett.89:061803,2002
Experiment 865 at the Brookhaven AGS obtained 410 K+ -> e+ nu e+e- and 2679 K+ -> mu+ nu e+e- events including 10% and 19% background. The branching ratios were measured to be (2.48+-0.14(stat.)+-0.14(syst.))x10^-8 (m_ee>150 MeV) and (7.06+-0.16+-0.2
Externí odkaz:
http://arxiv.org/abs/hep-ex/0204006
Autor:
Pislak, S., Appel, R., Atoyan, G. S., Bassalleck, B., Bergman, D. R., Cheung, N., Dhawan, S., Do, H., Egger, J., Eilerts, S., Herold, W., Issakov, V. V., Kaspar, H., Kraus, D. E., Lazarus, D. M., Lichard, P., Lowe, J., Lozano, J., Ma, H., Majid, W., Poblaguev, A. A., Rehak, P., Sher, A., Thompson, J. A., Truol, P., Zeller, M. E., Collaboration, BNL-E865
Publikováno v:
Phys.Rev.Lett.87:221801,2001; Erratum-ibid.105:019901,2010
A sample of 400000 events from the decay K+->pi+pi-e+nu(e)(K(e4)) has been collected in experiment E865 at the Brookhaven AGS. The analysis of these data yields new measurements of the K(e4) branching ratio (4.11+-0.01+-0.11)*10**(-5)), the s-wave pi
Externí odkaz:
http://arxiv.org/abs/hep-ex/0106071
Autor:
Appel, R., Atoyan, G. S., Bassalleck, B., Bergman, D., Cheung, N., Dhawan, S., Do, H., Egger, J., Eilerts, S., Fischer, H., Herold, W., Issakov, V. V., Kaspar, H., Kraus, D. E., Lazarus, D. M., Lichard, P., Lowe, J., Lozano, J., Ma, H., Majid, W., Menzel, W., Pislak, S., Poblaguev, A. A., Rehak, P., Sher, A., Thompson, J. A., Truoel, P., Zeller, M. E.
Publikováno v:
Phys.Rev.Lett.85:2877-2880,2000
A search for lepton flavor violating decays, \kmmp, \keep, \kpem, \kmep and \pizem, was performed using the data collected in E865 at the Brookhaven Alternating Gradient Synchrotron. No signal was found in any of the decay modes. At the 90% confidenc
Externí odkaz:
http://arxiv.org/abs/hep-ex/0006003
Autor:
Appel, R., Atoyan, G. S., Bassalleck, B., Bergman, D. R., Brown, D. N., Cheung, N., Dhawan, S., Do, H., Egger, J., Eilerts, S., Felder, C., Fischer, H., Gach, M., Herold, W., Issakov, V. V., Kaspar, H., Kraus, D. E., Lazarus, D. M., Leipuner, L., Lichard, P., Lowe, J., Lozano, J., Ma, H., Majid, W., Menzel, W., Pislak, S., Poblaguev, A. A., Postoev, V. E., Proskurjakov, A. L., Rehak, P., Robmann, P., Sher, A., Thompson, J. A., Truoel, P., Weyer, H., Zeller, M. E.
Publikováno v:
Phys.Rev.Lett.85:2450-2453,2000
The experiment E865 at BNL places an upper limit on the branching ratio for the decay K+ -> pi+ mu+ e- of 3.9x10^-11 (90% C.L.). Along with with other results this yields a combined upper limit on this branching ratio of 2.8x10^-11. A new upper limit
Externí odkaz:
http://arxiv.org/abs/hep-ex/0005016