Zobrazeno 1 - 7
of 7
pro vyhledávání: '"M. A. Kroupa"'
Autor:
MEGA Collaboration, Brooks, M. L., Chen, Y. K., Cooper, M. D., Cooper, P. S., Dzemidzic, M., Empl, A., Gagliardi, C. A., Hogan, G. E., Hughes, E. B., Hungerford, E. V., Jui, C. C. H., Knott, J. E., Koetke, D. D., Lan, M. A. Kroupa K. A., Manweiler, R., Mayes, B. W., Mischke, R. E., Piilonen, L. E., Stanislaus, T. D. S., Stantz, K. M., Szymanski, J. J., Tribble, R. E., Tu, X. L., Van Ausdeln, L. A., von Witsch, W. H., Wright, S. C., Ziock, K. O. H.
Publikováno v:
Phys.Rev.Lett.83:1521-1524,1999
An experiment has been performed to search for the muon- and electron-number non-conserving decay mu+ to e+_gamma. The upper limit for the branching ratio to be GAMMA(mu+ to e+_gamma)/GAMMA(mu+ to e+_nu_nubar) < 1.2e-11 with 90% confidence.
Comm
Comm
Externí odkaz:
http://arxiv.org/abs/hep-ex/9905013
Autor:
S. C. Wright, Y.K. Chen, Anton Empl, X.L. Tu, T. D. S. Stanislaus, C. C. H. Jui, R. Manweiler, E. B. Hughes, P. S. Cooper, R. E. Tribble, Gary E. Hogan, L. E. Piilonen, J. Szymanski, W. von Witsch, K.A. Lan, C. A. Gagliardi, M. Dzemidzic, R. E. Mischke, K.O.H. Ziock, M. A. Kroupa, K. M. Stantz, J. E. Knott, M. L. Brooks, L. A. Van Ausdeln, D. D. Koetke, E. V. Hungerford, M. D. Cooper, B. W. Mayes
Publikováno v:
Physical Review Letters. 83:1521-1524
An experiment has been performed to search for the muon- and electron-number non-conserving decay mu+ to e+_gamma. The upper limit for the branching ratio to be GAMMA(mu+ to e+_gamma)/GAMMA(mu+ to e+_nu_nubar) < 1.2e-11 with 90% confidence.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbec7fca0284b566e909ff2db720b9bb
https://doi.org/10.1103/physrevlett.83.1521
https://doi.org/10.1103/physrevlett.83.1521
Autor:
J. Sandoval, J. Sena, D. A. Whitehouse, R. Manweiler, X.L. Tu, R. Fisk, A. Gonzales, Charles C. H. Jui, Gary E. Hogan, Staffan Carius, R. E. Tribble, Y. Zhang, L. E. Piilonen, V. Armijo, C.A. Wilkinson, P. M. Nord, M. D. Cooper, M. A. Kroupa, J. K. Black, K. M. Stantz, S. Stanislaus, D. D. Koetke, J.J. Szymanski, R. E. Mischke, G. Suazo, R. D. Bolton, C. Espinoza, G.W. Hart, C. A. Gagliardi, S. Schilling
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 417:24-49
A design for extremely low mass, high-resolution multiwire proportional chambers (MWPC) was achieved by the MEGA collaboration in its experiment to search for the lepton family number violating decay μ→eγ. To extend the present branching ratio li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::082eb1b2424e7c98035f7bac2b6a3f8f
https://doi.org/10.1016/s0168-9002(98)00655-x
https://doi.org/10.1016/s0168-9002(98)00655-x
Autor:
P. M. Nord, E. V. Hungerford, B. Wright, M. A. Kroupa, D. D. Koetke, C. Wilkinson, D. Lee, T. D. S. Stanislaus, R. J. Fisk, L. Pinsky, M. A. Oothoudt, J. J. Szymanski, X. L. Tu, C. Pillai, B. M. K. Nefkens, L. A. Van Ausdeln, K. Lan, K. O. H. Ziock, R. Phelps, A. R. Kunselman, W. B. Tippens, R. E. Tribble, F. Liu, S. C. Wright, A. Chernyshev, M. D. Cooper, Staffan Carius, C. Jui, B. W. Mayes, M. Brooks, K. Black, D. Barlow, M. Dzemidzic, E. B. Hughes, L. Tang, C. M. Hoffman, A. Empl, G. E. Hogan, A. Hallin, John C. Crocker, J. F. Amann, R. Manweiler, C. A. Gagliardi, R. D. Bolton, W. Foreman, W. H. Von Witch, L. E. Piilonen, Y. Zhang, D. Haim, Y. Chen, J. N. Otis, C. Smith, P. S. Cooper, R. Marshall, M. Ahmed, L. M. Nickerson, H. M. Concannon, D. Whitehouse, J. R. Dittmann, R. E. Mischke, T. Kozlowski, G. J. Kim, E. Fleet, V. Laptev, K. M. Stantz, M. W. Ritter, J. E. Knott
Publikováno v:
Physical Review D. 65
The MEGA experiment, which searched for the muon- and electron-number violating decay ${\ensuremath{\mu}}^{+}\ensuremath{\rightarrow}{e}^{+}\ensuremath{\gamma},$ is described. The spectrometer system, the calibrations, the data taking procedures, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a115c887b582d53198d1ad9b02fe9c59
https://doi.org/10.1103/physrevd.65.112002
https://doi.org/10.1103/physrevd.65.112002
Autor:
R. Harrison, B. W. Mayes, Y. Zhang, M. Dzemidzic, L. Pinsky, Leo Piilonen, R. D. Bolton, R. Manweiler, E. V. Hungerford, C. A. Gagliardi, T. D. S. Stanislaus, R. E. Tribble, L. A. Van Ausdeln, James F. Amann, K.O.H. Ziock, Y.K. Chen, S. Schilling, G.W. Hart, S. C. Wright, M. D. Cooper, T. Kozlowski, C. Pillai, P. S. Cooper, W. Foreman, F. S. Lee, X. L. Tu, F. Liu, B. K. Wright, J. J. Szymanski, D. Haim, Gary E. Hogan, K.A. Lan, R. E. Mischke, D. A. Whitehouse, M. A. Kroupa, K. M. Stantz, D. D. Koetke, W. von Witsch, J. E. Knott, C. C. H. Jui
Publikováno v:
The sixth conference on the intersections of particle and nuclear physcis.
We report on the status of LAMPF experiment E-1240 to measure the Michel ρ parameter in direct muon decay. This experiment ran in 1993, and the data are currently being analyzed. The expected precision on the ρ parameter is ±0.0008. This result wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c01e470177890572d1c2a18ae917ba57
https://doi.org/10.1063/1.54303
https://doi.org/10.1063/1.54303
Autor:
T. D. S. Stanislaus, K. Johnston, S. Schilling, R. E. Tribble, R. Phelps, L. Pinsky, T. Kozlowski, J. E. Knott, R. Marshall, John C. Crocker, C. M. Hoffman, M. Brooks, G. E. Hogan, J. J. Szymanski, F. Liu, C. Jui, B. M. K. Nefkens, K. M. Stantz, M. D. Cooper, J. Novak, D. Haim, Y. Chen, J. Sturrock, S. C. Wright, X. L. Tu, M. A. Kroupa, D. Barlow, P. S. Cooper, G. Hart, L. A. Van Ausdeln, Staffan Carius, E. V. Hungerford, James F. Amann, K. Lan, X. G. Zhou, J. Flick, K. Black, J. Price, D. D. Koetke, W. Foreman, B. Wright, A. Hallin, C. Wilkinson, B. W. Mayes, J. N. Otis, K. Baker, L. Tang, G. J. Kim, R. Manweiler, E. B. Hughes, C. A. Gagliardi, B. Tippens, R. D. Bolton, R. Harrison, K. O. H. Ziock, W. Zhou, R. E. Mischke, M. A. Oothoudt, D. Whitehouse, W. Stephens, W. vonWitsch, C. Pillai, M. Dzemidzic, D. Lee, R. J. Fisk, Y. Zhang, M. W. Ritter, L. E. Piilonen, F. J. Naivar
Publikováno v:
AIP Conference Proceedings.
The MEGA experiment is designed to search for the rare decay μ→eγ with a branching ratio sensitivity of ∼5×10−13. Production data have been taken during 1992 and 1993, and the detector is working as expected. Following a complete analysis, t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75256b65db82d29fc064f0f2f625df10
https://doi.org/10.1063/1.48450
https://doi.org/10.1063/1.48450
Autor:
X.L. Tu, S. Schilling, B. K. Wright, R. E. Tribble, S. C. Wright, K.O.H. Ziock, Y.K. Chen, Gary E. Hogan, L. A. Van Ausdeln, R. D. Bolton, C. A. Gagliardi, James F. Amann, K.A. Lan, W. Foreman, M. A. Kroupa, P. S. Cooper, K. M. Stantz, R. E. Mischke, R. Harrison, J. N. Otis, D. A. Whitehouse, J. Szymanski, D. D. Koetke, C. Pillai, C. C. H. Jui, T. D. S. Stanislaus, L. E. Piilonen, J. E. Knott, R. Manweiler, M. Dzemidzic, T. Kozlowski, D. Haim, E. V. Hungerford, Y. Zhang, W. von Witsch, L. S. Pinsky, G.W. Hart, W. Zhou, B. W. Mayes, F. Liu, M. D. Cooper
Publikováno v:
AIP Conference Proceedings.
A new measurement of the Michel parameter ρ in normal muon decay has been performed using the MEGA positron spectrometer. Over 500 million triggers were recorded and the data are currently being analyzed. The previous result has a precision on the v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::836c0f26c95fa5d043ae9a1dde029859
https://doi.org/10.1063/1.48444
https://doi.org/10.1063/1.48444