Zobrazeno 1 - 10
of 119
pro vyhledávání: '"R., Meharchand"'
Autor:
J., Ruz, M., Asner D., G., Baker R., J., Bundgaard, E., Burgett, M., Cunningham, J., Deaven, L., Duke D., U., Greife, S., Grimes, M., Heffner, T., Hill, D., Isenhower, L., Klay J., V., Kleinrath, N., Kornilov, B., Laptev A., W., Loveland, N., Masseyf T., R., Meharchand, H., Qu, S., Sangiorgio, B., Seilhan, L., Snyder, S., Stave, G., Tatishvili, T., Thornton R., F., Tovesson, D., Towell, S., Towell R., S., Watson, B., Wendt, L, Wood
The Neutron Induced Fission Fragment Tracking Experiment (NIFFTE) is a double-sided Time Projection Chamber (TPC) with micromegas readout designed to measure the energy-dependent neutron-induced fission cross sections of the major and minor actinides
Externí odkaz:
http://arxiv.org/abs/1309.7938
Autor:
D. Higgins, N. S. Bowden, N. Hertel, F. Tovesson, D. Hensle, L. Yao, B. Wendt, C. Brune, W. Younes, K. T. Schmitt, L. D. Isenhower, M. Heffner, J. Ruz, H. Qu, N. Walsh, U. Hager, T. Classen, J. Baker, E. Guardincerri, J. S. Barrett, J. King, S. Sangiorgio, A. B. Laptev, D. A. Cebra, S. Sharma, M. Lynch, B. Seilhan, V. Geppert-Kleinrath, W. S. Lynn, M. Cunningham, R. Meharchand, R. S. Towell, L. Wood, T. Hill, S. Stave, A. C. Tate, W. Loveland, G. Tatishvili, S. Grimes, T. N. Massey, L. Snyder, J. Bundgaard, B. Manning, J. L. Klay, U. Greife, S. Watson, J. A. Magee, J. Gearhart, D. M. Asner, I. Ferguson, C. McGrath, J. Deaven, D. E. Towell, R. G. Baker, L. Montoya, D. L. Duke, C. Hagmann, R. Kudo, N. Kornilov, E. Burgett, R. T. Thornton, M. P. Mendenhall, R. J. Casperson, N. T. Pickle
Publikováno v:
Physical Review C. 97
The normalized $^{238}$U(n,f)/$^{235}$U(n,f) cross section ratio has been measured using the NIFFTE fission Time Projection Chamber from the reaction threshold to $30$~MeV. The fissionTPC is a two-volume MICROMEGAS time projection chamber that allows
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::733ffa4ea1c21a8b1c5ea25a8e81703b
https://doi.org/10.1103/physrevc.97.034618
https://doi.org/10.1103/physrevc.97.034618
Autor:
D. Shields, F.-J. Hambsch, D.A. Mayorov, D. L. Duke, D. Richman, Fredrik Tovesson, K. Meierbachtol, V. Geppert-Kleinrath, R. Meharchand, Alexander B Laptev, Brett Manning, T. Brys, Shea Mosby, B. Perdue, Marzio Vidali
Publikováno v:
EPJ Web of Conferences, Vol 146, p 04042 (2017)
The average Total Kinetic Energy (TKE ) release and fission-fragment yields in neutron-induced fission of 235 U and 238 U was measured using a Frisch-gridded ionization chamber. These observables are important nuclear data quantites that are relevant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19b4ff96a20050f23014ed27d58167d8
https://doaj.org/article/f433ff25c00342e2a3bdac98c7a787f4
https://doaj.org/article/f433ff25c00342e2a3bdac98c7a787f4
Autor:
K. Meierbachtol, B.A. Perdue, Fredrik Tovesson, V. Kleinrath, D. L. Duke, Aaron Couture, D. Shields, D. Richman, J.M. O׳Donnell, R. Meharchand, Shea Mosby
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 757:75-81
A digital data acquisition system has been combined with a double Frisch gridded ionization chamber for use at both moderated and unmoderated neutron sources at the Los Alamos Neutron Science (LANSCE) facility. The high efficiency of the instrument c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23635f7e925f95c1424e45f7785b5646
https://doi.org/10.1016/j.nima.2014.04.066
https://doi.org/10.1016/j.nima.2014.04.066
Commissioning the NIFFTE Time Projection Chamber: Towards the 238U / 235U (n, f) Cross-section Ratio
Autor:
Dwayne Towell, S. M. Grimes, Tony S. Hill, T. N. Massey, R. S. Towell, G. Tatishvili, R. Meharchand, J. L. Klay, R. T. Thornton, D. Isenhower, B. Wendt, S. Watson, Sean C. Stave, L. Snyder, J. Bundgaard, Eric Burgett, H. Qu, M. Cunningham, B. Seilhan, D. M. Asner, D. L. Duke, Samuele Sangiorgio, J. Ruz, W. Loveland, N. Kornilov, Uwe Greife, R. G. Baker, Lynn Wood, J. Deaven, M. Heffner, Alexander B Laptev, V. Kleinrath, Fredrik Tovesson
Publikováno v:
Nuclear Data Sheets. 119:373-376
The Neutron Induced Fission Fragment Tracking Experiment (NIFFTE) collaboration is developing a Time Projection Chamber (TPC) to measure neutron-induced fission cross sections with unprecedented accuracy. Modifying TPC technology for nuclear physics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2591c6283c76dffdcf44428000ddb7b
https://doi.org/10.1016/j.nds.2014.08.103
https://doi.org/10.1016/j.nds.2014.08.103
Autor:
Fredrik Tovesson, D. Shields, K. Meierbachtol, R. Meharchand, D. L. Duke, V. Geppert-Kleinrath, Brett Manning, Shea Mosby
Publikováno v:
Physical Review C. 94
The average total kinetic energy $(\overline{TKE})$ in $^{239}\mathrm{Pu}(n,f)$ has been measured for incident neutron energies between 0.5 and 50 MeV. The experiment was performed at the Los Alamos Neutron Science Center (LANSCE) using the neutron t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::703ee8694e7428aad9c89b17936e55e1
https://doi.org/10.1103/physrevc.94.034611
https://doi.org/10.1103/physrevc.94.034611
Autor:
S. Watson, M. Cunningham, W. Loveland, N. Kornilov, Samuele Sangiorgio, S. M. Grimes, D. L. Duke, R. G. Baker, Eric Burgett, Alexander B Laptev, J. L. Klay, Lynn Wood, Fredrik Tovesson, M. Heffner, D. M. Asner, G. Tatishvili, D. Isenhower, J. Bundgaard, J. Ruz, V. Kleinrath, J. Deaven, T. N. Massey, Uwe Greife, L. Snyder, Dwayne Towell, Sean C. Stave, B. Seilhan, R. Meharchand, B. Wendt, R. S. Towell, R. T. Thornton, Tony S. Hill, H. Qu
Publikováno v:
Nuclear Data Sheets. 119:386-388
A fission TPC is being developed to measure the energy-dependent neutron induced fission cross sections of the major and minor actinides to an accuracy of better than 1%. Achieving such an accuracy will depend in part, on the ability of the TPC to pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75a130769ce8407b40bfd507e3e715fe
https://doi.org/10.1016/j.nds.2014.08.107
https://doi.org/10.1016/j.nds.2014.08.107
Autor:
L. Snyder, Sean C. Stave, Dwayne Towell, R. Meharchand, H. Qu, B. Seilhan, B. Wendt, T. N. Massey, W. Loveland, N. Kornilov, R. G. Baker, Tony S. Hill, V. Kleinrath, Lynn Wood, G. Tatishvili, Eric Burgett, S. M. Grimes, Samuele Sangiorgio, Fredrik Tovesson, J. Bundgaard, J. L. Klay, R. T. Thornton, R. S. Towell, M. Heffner, S. Watson, M. Cunningham, D. Isenhower, D. L. Duke, Alexander B Laptev, J. Deaven, J. Ruz, Uwe Greife, D. M. Asner
Publikováno v:
Nuclear Data Sheets. 119:380-382
The NIFFTE collaboration has developed a time projection chamber to study neutron-induced fission events in actinide targets by tracking and identifying fission fragments in three dimensions as they traverse a gas volume. This paper will provide an o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3813abda4c2acdaa1db60359f70d0ab2
https://doi.org/10.1016/j.nds.2014.08.105
https://doi.org/10.1016/j.nds.2014.08.105
Autor:
S. Watson, J. Deaven, D. M. Asner, G. Tatishvili, M. Cunningham, Eric Burgett, J. Ruz, Alexander B Laptev, T. N. Massey, W. Loveland, N. Kornilov, Uwe Greife, S. M. Grimes, R. G. Baker, M. Heffner, L. Snyder, Samuele Sangiorgio, J. L. Klay, H. Qu, Fredrik Tovesson, Sean C. Stave, B. Seilhan, Lynn Wood, V. Kleinrath, B. Wendt, R. T. Thornton, Dwayne Towell, Tony S. Hill, R. S. Towell, R. Meharchand, D. L. Duke, D. Isenhower, J. Bundgaard
Publikováno v:
Nuclear Data Sheets. 119:377-379
When fully instrumented, the NIFFTE Time Projection Chamber will consist of nearly 6000 channels, each of which requires a preamplifier, ADC, and digital readout. To minimize channel cost and size, the EtherDAQ data acquisition system utilizes off-th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0676137b7f0f1d37a0d46b29b1f9b651
https://doi.org/10.1016/j.nds.2014.08.104
https://doi.org/10.1016/j.nds.2014.08.104
Autor:
Eric Burgett, Alexander B Laptev, J. Bundgaard, S. Watson, J. L. Klay, J. Deaven, Fredrik Tovesson, R. T. Thornton, M. Cunningham, B. Selhan, H. Qu, M. Heffner, Tony S. Hill, D. M. Asner, Uwe Greife, D. Isenhower, R. S. Towell, W. Loveland, N. Kornilov, Samuele Sangiorgio, G. Tatishvili, R. G. Baker, Lynn Wood, D. L. Duke, J. Ruz, Thomas N. Massey, L. Yao, V. Kleinrath, L. Snyder, B. Wendt, Dwayne Towell, Steven M. Grimes, Sean C. Stave, R. Meharchand
Publikováno v:
Nuclear Data Sheets. 119:383-385
The general properties needed in targets (sources) for high precision, high accuracy measurements are reviewed. The application of these principles to the problem of developing targets for the Fission TPC is described. Longer term issues, such as the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7f06724f644d0f17020c178049323c6
https://doi.org/10.1016/j.nds.2014.08.106
https://doi.org/10.1016/j.nds.2014.08.106