Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Baoxi Han"'
Autor:
C. Stinson, Y. Kang, O. Tarvainen, A. Aleksandrov, S. N. Murray, C. Piller, M. P. Stockli, Terry R Pennisi, Baoxi Han, Robert F Welton
Publikováno v:
SEVENTH INTERNATIONAL SYMPOSIUM ON NEGATIVE IONS, BEAMS AND SOURCES (NIBS 2020).
The U.S. Spallation Neutron Source (SNS) is a state-of-the-art neutron scattering facility delivering the world's most intense pulsed neutron beams to a wide array of instruments which are used to conduct investigations in many fields of science and
Autor:
S. M. Cousineau, S. N. MurrayJr., Terry R Pennisi, Robert F Welton, C. Stinson, M. P. Stockli, Baoxi Han
Publikováno v:
SEVENTH INTERNATIONAL SYMPOSIUM ON NEGATIVE IONS, BEAMS AND SOURCES (NIBS 2020).
The Spallation Neutron Source (SNS) accelerator system includes a 65 keV H- injector, a 2.5 MeV radio frequency quadrupole (RFQ), a 1 GeV linac chain (DTL-CCL-SCL) and an accumulator ring. The H− injector consists of an RF-driven, Cs-enhanced, mult
Autor:
Baoxi Han, Martin Stockli, Robert Welton, Chip Piller, Syd Murray, Terry Pennisi, Chris Stinson, Sang-Ho Kim
Publikováno v:
Journal of Physics: Conference Series. 2244:012044
The U.S. Spallation Neutron Source (SNS) at Oak Ridge National Laboratory is the world’s most powerful accelerator-driven pulsed neutron source. An H- injector feeds the accelerator with high current (>50 mA), time structured (1ms, 60 Hz) H- beam.
Autor:
Baoxi Han, Tiago Sarmento, Martin P. Stockli, Rob Welton, Olli Tarvainen, Syd Murray, C. Stinson, Terry R Pennisi, Dan Faircloth, S. R. Lawrie
Publikováno v:
The Review of scientific instruments. 91(2)
Experiments comparing an internal and an external antenna H− source at the Spallation Neutron Source with and without cesium revealed key performance differences which provide insight to the source physics and will guide the development of an RF H
Autor:
Robert Welton, Baoxi Han, Martin Stockli, Ilija Draganic, Robert Saethre, Oscar Martinez, Morgan Dehnel, Stephane Melanson, Nikolai Yampolsky, Dave Potkins
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a1e80e738a3d154ebf1a3820bc8b7f5
https://doi.org/10.2172/1787947
https://doi.org/10.2172/1787947
Autor:
Mike Clemmer, Robert W. Garnett, Chip Piller, Vadim Dudnikov, David Kleinjan, Ilija Draganic, C. Stinson, Jacob L. Medina, Robert F Welton, Yoon W. Kang, Martin P. Stockli, Sarah Cousineau, Yuri Batygin, Syd Murray, Baoxi Han, G. Rouleau, Terry R Pennisi, Joel P. Montross, Alan Justice
Publikováno v:
Review of Scientific Instruments. 91:013321
The LANSCE accelerator is currently powered by a filament-driven, biased converter-type H- ion source that operates at 10%, the highest plasma duty factor for this type of source, using only ∼2.2 SCCM of H2. The ion source needs to be replaced ever
Publikováno v:
The Review of scientific instruments. 89(5)
The Spallation Neutron Source operates reliably at 1.2 MW and will gradually ramp to 1.4 MW. This paper briefly recalls some of the struggles when the unprecedented project was started and ramped to 1 MW over a 3½ year period. This was challenging,
Autor:
Robert F Welton, Terry R Pennisi, Y. Kang, C. Stinson, S. N. Murray, M. P. Stockli, A. Aleksandrov, M. Piller, Baoxi Han
Publikováno v:
AIP Conference Proceedings.
The U.S. Spallation Neutron Source (SNS) now operates with 1.2 MW of beam power on target with the near-term goal of delivering 1.4 MW and a longer-term goal of delivering >2 MW required by the planned Proton Power Upgrade (PPU) and Second Target Sta
Autor:
Terry R Pennisi, Baoxi Han, S. N. Murray, Martin P Stockli, Robert F Welton, V. Dudnikov, Andrei Dudnikov, C. Stinson
Publikováno v:
AIP Conference Proceedings.
Deposition of carbon film in RF SPS is observed. It is assumed that persistent cesiation without continuous cesium injection in the Spallation Neutron Source RF Surface Plasma Source (SPS) is related to deposition of carbon film on the collar convert
Publikováno v:
2017 IEEE 21st International Conference on Pulsed Power (PPC).
The Spallation Neutron Source (SNS) beam chopping system uses a segmented electrostatic lens in the Low Energy Beam Transport (LEBT) line to deflect the beam out of the Radio Frequency Quadrupole (RFQ) input aperture to create gaps in the 1 ms beam m