Zobrazeno 1 - 10
of 90
pro vyhledávání: '"T. Ethvignot"'
Autor:
Matthew Devlin, P. Casoli, P. Jaffke, Nikolaos Fotiades, T. Granier, R. O. Nelson, T. Ethvignot, Patrick Talou
Publikováno v:
Physical Review C. 99
Autor:
T. Granier, P. E. Garrett, Nick Fotiades, T. Ethvignot, Matthew Devlin, Ronald O. Nelson, Wallid Younes
Publikováno v:
Physics Procedia. 31:185-190
Prompt K x-ray production yields in 238U(n,f) have been measured for the first time at fast and intermediate neutron energies using the GEANIE array of germanium detectors at the Los Alamos Neutron Science Center. Results are compared with calculatio
Autor:
J. B. Wilhelmy, T. Granier, Todd Bredeweg, Evelyn M. Bond, D. Rochman, D. J. Vieira, R. C. Haight, Stephen A. Wender, M. Petit, T. Ethvignot, John M. O'Donnell, Yaron Danon
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 554:340-346
Standard techniques of event-by-event detection of fission may fail when operated in high γ-ray or particle radiation environments. This is the case within the 800 MeV proton-driven lead slowing-down neutron spectrometer at LANSCE where standard fis
Autor:
T. Granier, R. C. Haight, D. J. Vieira, Stephen A. Wender, A. Michaudon, M. Petit, J. B. Wilhelmy, T. Ethvignot, Yaron Danon, J.M. O׳Donnell, D. Rochman, A. Kronenberg, Todd Bredeweg, Evelyn M. Bond
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 550:397-413
A description is given of a lead slowing-down spectrometer (LSDS) installed at the 800-MeV proton accelerator of the Los Alamos Neutron Science Center (LANSCE). The LSDS is designed to study neutron-induced fission on actinides that can only be obtai
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 523:102-115
A description is given of the new flexible facility Fast Neutron-Induced Gamma-Ray Observer (FIGARO) at the Los Alamos Neutron Science Center. FIGARO is designed to study fast-neutron-induced reactions that result in the emission of γ rays and neutr
Autor:
P. Roussel-Chomaz, F. Clapier, M. Mirea, J. E. Sauvestre, T. Ethvignot, M. Lewitowicz, C. Cabot, Yang Yong Feng, R. Anne, M. G. Saint-Laurent, G. Fares, R. Bimbot, P. Delbourgo-Salvador, A. Lefebvre, S. Hachem, J. L. Sida, T. Benfoughal
Publikováno v:
European Physical Journal A
European Physical Journal A, EDP Sciences, 2004, 19, pp.105-116. ⟨10.1140/epja/i2002-10247-9⟩
European Physical Journal A, 2004, 19, pp.105-116. ⟨10.1140/epja/i2002-10247-9⟩
European Physical Journal A, EDP Sciences, 2004, 19, pp.105-116. ⟨10.1140/epja/i2002-10247-9⟩
European Physical Journal A, 2004, 19, pp.105-116. ⟨10.1140/epja/i2002-10247-9⟩
The fragmentation of 95 MeV/u 12C and 75 MeV/u 13C projectiles, interacting with natural targets of different elements (9Be, $^{\rm nat}$ Cu and 197Au for 12C, and 9Be, $^{\rm nat}$ Ni, and 181Ta for 13C) and of various thicknesses has been investiga
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 490:559-565
A fission-fragment-sensitive detector built for low-energy photon spectroscopy applications at the WNR “white” neutron source at Los Alamos is described. The detector consists of eight layers of thin photovoltaic cells, onto which 1 mg / cm 2 of
Autor:
T. Watson, C. Romano, J. B. Wilhelmy, T. Schurman, John M. O'Donnell, A. Michaudon, J. Taieb, D. J. Vieira, J. A. Becker, R. C. Haight, J. Thompson, T. Ethvignot, Stephen A. Wender, D. Rochman, T. Granier, Evelyn M. Bond, Todd Bredeweg, Yaron Danon
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 261:953-955
A Lead Slowing-Down Spectrometer (LSDS) was recently installed at LANL [D. Rochman, R.C. Haight, J.M. O’Donnell, A. Michaudon, S.A. Wender, D.J. Vieira, E.M. Bond, T.A. Bredeweg, A. Kronenberg, J.B. Wilhelmy, T. Ethvignot, T. Granier, M. Petit, Y.
Autor:
David J. Vieira, Todd Bredeweg, Evelyn M. Bond, D. Rochman, T. Ethvignot, J. B. Wilhelmy, T. Granier, Robert S. Rundberg, C. Romano, Stephen A. Wender, A. Michaudon, Yaron Danon, John M. O'Donnell, Robert C. Haight
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 562:771-773
At the Los Alamos Neutron Science Center (LANSCE) a compensated ionization chamber (CIC) was placed in a lead slowing down spectrometer (LSDS) to measure the 6Li(n,α)3H cross-section as a feasibility test for further work. The LSDS consists of a 1.2
Autor:
Walid Younes, T. Granier, Nikolaos Fotiades, R. O. Nelson, Matthew Devlin, T. Ethvignot, P. E. Garrett
Publikováno v:
The European Physical Journal A. 49
Prompt K X-ray emission yields in the fission induced by neutrons on 238U have been measured for the first time for incident energies ranging from below 1MeV up to 400MeV. Results are used to investigate the evolution with incident neutron energy of