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30 results on '"A. Kunselman"'

1. Generation of the Ultracold Muonic Hydrogen Flux

Author

Bystritsky, V. M., Adamczak, A., Beer, G. A., Filipowicz, M., Fujiwara, M. C., Huber, T. M., Jacot-Guillarmod, R., Kammel, P., Kim, S. K., Knowles, P., Kunselman, A. R., Maier, M., Markushin, V. E., Marshall, G. M., Mulhauser, F., Olin, A., Petitjean, C., Porcelli, T. A., Stolupin, V. A., Woźniak, J., and Zmeskal, J.

Published
2001
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2. Ramsauer–Townsend Effect in Solid Hydrogen

Author

Mulhauser, F., Adamczak, A., Beer, G. A., Bystritsky, V. M., Filipowicz, M., Fujiwara, M. C., Huber, T. M., Jacot-Guillarmod, R., Kammel, P., Kim, S. K., Knowles, P., Kunselman, A. R., Maier, M., Markushin, V. E., Marshall, G. M., Olin, A., Petitjean, C., Porcelli, T. A., Stolupin, V. A., Woźniak, J., and Zmeskal, J.

Published
2001
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3. Advantages and Limitations of Solid Layer Experiments in Muon Catalyzed Fusion

Author

Marshall, G. M., Adamczak, A., Bailey, J. M., Beveridge, J. L., Beer, G. A., Brewer, J. H., Bystritsky, V. M., Faifman, M. P., Forster, B. M., Fujiwara, M. C., Huber, T. M., Jacot-Guillarmod, R., Kammel, P., Kendall, K. R., Kherani, N. P., Kim, S. K., Knowles, P. E., Kunselman, A. R., Maier, M., Markushin, V. E., Melezhik, V. S., Mason, G. R., Mulhauser, F., Olin, A., Petitjean, C., Porcelli, T. A., Schaller, L. A., Stolupin, V. A., and Zmeskal, J.

Published
2001
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5. Study of μ-catalyzed fusion in H-D mixtures

Author

Olin, A., Adamczak, A., Beer, G.A., Bystritsky, V.M., Filipowicz, M., Fujiwara, M.C., Huber, T.M., Jacot-Guillarmod, R., Kammel, P., Kim, S.K., Knowles, P.E., Kunselman, A.R., Maier, M., Markushin, V.E., Marshall, G.M., Mulhauser, F., Petitjean, C., Porcelli, T.A., Stolupin, V.A., Woźniak, J., and Zmeskal, J.

Published
1999
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6. New effects in low energy scattering of pµ atoms

Author

Woźniak, J., Adamczak, A., Beer, G.A., Bystritsky, V.M., Filipowicz, M., Fujiwara, M.C., Huber, T.M., Jacot-Guillarmod, R., Kammel, P., Kim, S.K., Knowles, P.E., Kunselman, A.R., Maier, M., Markushin, V.E., Marshall, G.M., Mulhauser, F., Olin, A., Petitjean, C., Porcelli, T.A., Stolupin, V.A., and Zmeskal, J.

Published
1999
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7. Scattering of muonic hydrogen atoms

Author

Mulhauser, F., Adamczak, A., Beer, G.A., Bystritsky, V.M., Filipowicz, M., Fujiwara, M.C., Huber, T.M., Jacot-Guillarmod, R., Kammel, P., Kim, S.K., Knowles, P., Kunselman, A.R., Maier, M., Markushin, V.E., Marshall, G.M., Olin, A., Petitjean, C., Porcelli, T.A., Stolupin, V.A., Wozniak, J., and Zmeskal, J.

Published
1999
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8. Resonant formation measurements of $$dt\mu $$ via time of flight

Author

Marshall, G.M., Porcelli, T.A., Adamczak, A., Bailey, J.M., Beer, G.A., Faifman, M.P., Fujiwara, M.C., Huber, T.M., Jacot-Guillarmod, R., Kammel, P., Kim, S.K., Knowles, P.E., Kunselman, A.R., Maier, M., Markushin, V.E., Mason, G.R., Mulhauser, F., Olin, A., Petitjean, C., and Zmeskal, J.

Published
1999
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9. Time-of-flight spectroscopy of muonic tritium

Author

Fujiwara, M.C., Adamczak, A., Bailey, J.M., Beer, G.A., Beveridge, J.L., Faifman, M.P., Huber, T.M., Jacot-Guillarmod, R., Kammel, P., Kim, S.K., Knowles, P.E., Kunselman, A.R., Maier, M., Markushin, V.E., Marshall, G.M., Martoff, C.J., Mason, G.R., Mulhauser, F., Olin, A., Petitjean, C., Porcelli, T.A., Woźniak, J., and Zmeskal, J.

Published
1999
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11. Investigation of muonic hydrogen isotopes scattering from H2 molecule

Author

Jacot-Guillarmod, R., Adamczak, A., Beer, G. A., Bystritsky, V. M., Czapliński, W., Filipowicz, M., Fujiwara, M. C., Huber, T. M., Kammel, P., Knowles, P. E., Kunselman, A. R., Markushin, V. E., Marshall, G. M., Mulhauser, F., Olin, A., Petitjean, C., Rivkis, L. A., Stolupin, V. A., Woźniak, J., and Zmeskal, J.

Published
1996
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12. Muon-catalyzed fusion in deuterium at 3 K

Author

Knowles, P. E., Bailey, J. M., Beer, G. A., Beveridge, J. L., Fujiwara, M. C., Huber, T. M., Jacot-Guillarmod, R., Kammel, P., Kim, S. K., Kunselman, A. R., Marshall, G. M., Martoff, C. J., Mason, G. R., Mulhauser, F., Olin, A., Petitjean, C., Porcelli, T. A., and Zmeskal, J.

Published
1996
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14. Time-of-flight measurement of resonant molecular formation in muon-catalyzed dt fusion

Author

Marshall, G. M., Adamczak, A., Bailey, J. M., Beer, G. A., Beveridge, J. L., Douglas, J. L., Faifman, M. P., Fujiwara, M. C., Huber, T. M., Jacot-Guillarmod, R., Kammel, P., Kherani, N. P., Kim, S. K., Knowles, P. E., Kunselman, A. R., Maier, M., Markushin, V. E., Martoff, C. J., Mason, G. R., Melezhik, V. S., Mulhauser, F., Olin, A., Petitjean, C., Piller, C., Porcelli, T. A., Steffens, C. P., Zhang, Y., and Zmeskal, J.

Published
1996
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16. Characterization of solid hydrogen targets

Author

Fujiwara, M. C., Bailey, J. M., Beer, G. A., Beveridge, J. L., Douglas, J. L., Huber, T. M., Jacot-Guillarmod, R., Kammel, P., Kim, S. K., Knowles, P. E., Kunselman, A. R., Maier, M., Marshall, G. M., Martoff, C. J., Mason, G. R., Mulhauser, F., Olin, A., Petitjean, C., Porcelli, T. A., and Zmeskal, J.

Published
1996
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17. Measurement of muon transfer rate λpt and molecular formation rate λppµ, in solid hydrogen targets, in solid hydrogen targets

Author

Mulhauser, F., Bailey, J. M., Beer, G. A., Beveridge, J. L., Douglas, J. L., Fujiwara, M. C., Huber, T. M., Jacot-Guillarmod, R., Kammel, P., Knowles, P. E., Kim, S. K., Kunselman, A. R., Maier, M., Markushin, V. E., Marshall, G. M., Martoff, C. J., Mason, G. R., Olin, A., Petitjean, C., Porcelli, T. A., and Zmeskal, J.

Published
1996
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20. Producing μ−d and μ−t in vacuum

Author

Knowles, P. E., Beer, G. A., Mason, G. R., Olin, A., Bailey, J. M., Beveridge, J. L., Marshall, G. M., Brewer, J. H., Forster, B. M., Huber, T. M., Jacot-Guillarmod, R., Schellenberg, L., Kammel, P., Zmeskal, J., Kunselman, A. R., Martoff, C. J., and Petitjean, C.

Published
1993
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22. Time-of-flight studies of emission of μt from frozen hydrogen films

Author

Huber, T.M., Adamczak, A., Bailey, J.M., Beer, G.A., Beveridge, J.L., Ellerbusch, B.P., Fujiwara, M.C., Jacot-Guillarmod, R., Kammel, P., Kim, S.K., Knowles, P.E., Kunselman, A.R., Lindquist, G.J., Maier, M., Markushin, V.E., Marshall, G.M., Martoff, C.J., Mason, G.R., Mulhauser, F., Olin, A., Petitjean, C., Porcelli, T.A., Woźniak, J., and Zmeskal, J.

Published
1999
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23. Resonant formation measurements of dtμ via time of flight

Author

Marshall, G. M., Porcelli, T. A., Adamczak, A., Bailey, J. M., Beer, G. A., Faifman, M. P., Fujiwara, M. C., Huber, T. M., Jacot-Guillarmod, R., Kammel, P., Kim, S. K., Knowles, P. E., Kunselman, A. R., Maier, M., Markushin, V. E., Mason, G. R., Mulhauser, F., Olin, A., Petitjean, C., and Zmeskal, J.

Published
1999

24. Producing ??d and ??t in vacuum

Author

Knowles, P. E., primary, Beer, G. A., additional, Mason, G. R., additional, Olin, A., additional, Bailey, J. M., additional, Beveridge, J. L., additional, Marshall, G. M., additional, Brewer, J. H., additional, Forster, B. M., additional, Huber, T. M., additional, Jacot-Guillarmod, R., additional, Schellenberg, L., additional, Kammel, P., additional, Zmeskal, J., additional, Kunselman, A. R., additional, Martoff, C. J., additional, and Petitjean, C., additional

Published
1993
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25. Experiments with energetic ?d and ?t emitted from solid hydrogen

Author

Marshall, G. M., primary, Beveridge, J. L., additional, Bailey, J. M., additional, Beer, G. A., additional, Knowles, P. E., additional, Mason, G. R., additional, Olin, A., additional, Brewer, J. H., additional, Forster, B. M., additional, Huber, T. M., additional, Pippitt, B., additional, Jacot-Guillarmod, R., additional, Schellenberg, L., additional, Kammel, P., additional, Zmeskal, J., additional, Kunselman, A. R., additional, Martoff, C. J., additional, and Petitjean, C., additional

Published
1993
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26. Investigation of muonic hydrogen isotopes scattering from H2 molecule

Author

Jacot-Guillarmod, R., Adamczak, A., Beer, G., Bystritsky, V., Czapliński, W., Filipowicz, M., Fujiwara, M., Huber, T., Kammel, P., Knowles, P., Kunselman, A., Markushin, V., Marshall, G., Mulhauser, F., Olin, A., Petitjean, C., Rivkis, L., Stolupin, V., Woźniak, J., and Zmeskal, J.

Abstract

Abstract: Knowledge of the cross sections for scattering of µp, µd and µt on molecules of hydrogen isotopes is necessary not only for checking the algorithmic solution of the Coulomb three-body problem but also for a general and correct description of the kinetics of muonic and molecular processes in mixtures of hydrogen isotopes. We plan to measure the scattering cross-section energy dependence of the reactions µx+ H2rarrµx+H2 (x=d, t) in the energy collision range from 0.1 to 45 eV, using a multilayered target system recently developed at TRIUMF.

Published
1996
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27. Measurement of muon transfer rate λpt and molecular formation rate λppµ, in solid hydrogen targets, in solid hydrogen targets

Author

Mulhauser, F., Bailey, J., Beer, G., Beveridge, J., Douglas, J., Fujiwara, M., Huber, T., Jacot-Guillarmod, R., Kammel, P., Knowles, P., Kim, S., Kunselman, A., Maier, M., Markushin, V., Marshall, G., Martoff, C., Mason, G., Olin, A., Petitjean, C., Porcelli, T., and Zmeskal, J.

Abstract

Abstract: The knowledge of muon transfer from protium to tritium is essentially theoretical and the different theoretical values disagree partially. Using solid hydrogen-tritium targets, with different tritium concentrations, we obtained precise experimental results for the transfer rate to tritium and the ppµ molecular formation rate. The time spectra of neutrons and alpha particles produced after dtµ fusion are used to determine the transfer rate lambdapt and the molecule formation rate lambdappµ.

Published
1996
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28. Producing μ−d and μ−t in vacuum

Author

Knowles, P. E., Beer, G. A., Mason, G. R., Olin, A., Bailey, J. M., Beveridge, J. L., Marshall, G. M., Brewer, J. H., Forster, B. M., Huber, T. M., Jacot-Guillarmod, R., Schellenberg, L., Kammel, P., Zmeskal, J., Kunselman, A. R., Martoff, C. J., and Petitjean, C.

Abstract

After the feasibility of vacuum isolated µ-d production was demonstrated at TRIUMF in 1989, development was begun on a target system that would take advantage of the process to aid in the understanding of the muon catalyzed fusion cycle. Minimal neutron backgrounds, the ability to use silicon detectors, and compatibility with tritium were considered important for a very versatile target system. The advantages which the target gives in isolating µCF process will be outlined.

Published
1993
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29. Time-of-flight studies of emission of μ t from frozen hydrogen films.

Author

Huber, T.M., Adamczak, A., Bailey, J.M., Beer, G.A., Beveridge, J.L., Ellerbusch, B.P., Fujiwara, M.C., Jacot-Guillarmod, R., Kammel, P., Kim, S.K., Knowles, P.E., Kunselman, A.R., Lindquist, G.J., Maier, M., Markushin, V.E., Marshall, G.M., Martoff, C.J., Mason, G.R., Mulhauser, F., and Olin, A.

Abstract

In recent TRIUMF experiments, a μ- beam is stopped in a solid hydrogen film with a small fraction of T2. The Ramsauer-Townsend (RT) mechanism allows μ t to escape into vacuum with a few eV of energy. To study the emission process, an imaging system was used to determine the position of muon decays. Experimental histograms are in good agreement with a Monte Carlo simulation. [ABSTRACT FROM AUTHOR]

Published
1999
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30. Time-of-flight studies of emission of μtfrom frozen hydrogen films

Author

Huber, T.M., Adamczak, A., Bailey, J.M., Beer, G.A., Beveridge, J.L., Ellerbusch, B.P., Fujiwara, M.C., Jacot-Guillarmod, R., Kammel, P., Kim, S.K., Knowles, P.E., Kunselman, A.R., Lindquist, G.J., Maier, M., Markushin, V.E., Marshall, G.M., Martoff, C.J., Mason, G.R., Mulhauser, F., Olin, A., Petitjean, C., Porcelli, T.A., Woźniak, J., and Zmeskal, J.

Abstract

In recent TRIUMF experiments, a μ-beam is stopped in a solid hydrogen film with a small fraction of T2. The Ramsauer-Townsend (RT) mechanism allows μtto escape into vacuum with a few eV of energy. To study the emission process, an imaging system was used to determine the position of muon decays. Experimental histograms are in good agreement with a Monte Carlo simulation.

Published
1999
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