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1.
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Status of the SNS Beam Power Upgrade Project
/ Henderson, Stuart (ORNL, Oak Ridge, Tennessee) ; Aleksandrov, Alexander V (ORNL, Oak Ridge, Tennessee) ; Anderson, David E (ORNL, Oak Ridge, Tennessee) ; Assadi, Saeed (ORNL, Oak Ridge, Tennessee) ; Campisi, Isidoro Enrico (ORNL, Oak Ridge, Tennessee) ; Casagrande, Fabio (ORNL, Oak Ridge, Tennessee) ; Champion, Mark (ORNL, Oak Ridge, Tennessee) ; Cutler, Roy I (ORNL, Oak Ridge, Tennessee) ; Danilov, Viatcheslav V (ORNL, Oak Ridge, Tennessee) ; Dodson, George W (ORNL, Oak Ridge, Tennessee) et al.
2006 - 3 p.
External link: Published version from JACoW
In : 10th European Particle Accelerator Conference, Edinburgh, UK, 26 - 30 Jun 2006, pp.345
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2.
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Installation and Testing for Commissioning of Normal Conducting RF Linac Segment in the SNS
/ Kang, Yoon W ; Aleksandrov, Alexander V ; Anderson, David E ; Champion, Marianne M ; Champion, Mark ; Crofford, Mark ; Deibele, Craig ; Dodson, George W ; Fuja, Ray E ; Gibson, Paul et al.
Tsukuba : KEK, 2005 - 3 p.
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.2571
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3.
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4.2 K Operation of the SNS Cryomodules
/ Campisi, Isidoro E ; Assadi, Saeed ; Casagrande, Fabio ; Champion, Mark ; Chu, Chungming ; Cousineau, Sarah M ; Crofford, Mark ; Deibele, Craig ; Galambos, John ; Gurd, Pamela et al.
The Spallation Neutron Source being built at the Oak Ridge National Laboratory employs eighty one 805 MHz superconducting cavities operated at 2.1 K for the H-
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.4173
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4.
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The Spallation Neutron Source RF Reference System
/ Piller, Maurice ; Champion, Mark ; Crofford, Mark ; Doolittle, Lawrence ; Ma, Hengjie
The Spallation Neutron Source (SNS) RF Reference System includes the master oscillator (MO), local oscillator(LO) distribution, and Reference RF distribution systems. Coherent low noise Reference RF signals provide the ability to control the phase relationships between the fields in the front-end and linear accelerator (linac) RF cavity structures. [...]
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.3573
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5.
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SNS Low-Level RF Control System : Design and Performance
/ Ma, Hengjie ; Champion, Mark ; Crofford, Mark ; Doolittle, Lawrence ; Kasemir, Kay-Uwe ; Piller, Maurice ; Ratti, Alessandro
A full digital Low-Level RF controller has been developed for SNS LINAC. Its design is a good example of a modern digital implementation of the classic control theory. [...]
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.3479
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6.
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High Power RF Test Facility at the SNS
/ Kang, Yoon W ; Anderson, David E ; Campisi, Isidoro E ; Champion, Mark ; Crofford, Mark ; Davis, Kirk ; Drury, Michael A ; Fuja, Ray E ; Gurd, Pamela ; Kasemir, Kay-Uwe et al.
RF Test Facility has been completed in the SNS project at ORNL to support test and conditioning operation of RF subsystems and components. The system consists of two transmitters for two klystrons powered by a common high voltage pulsed converter modulator that can provide power to two independent RF systems. [...]
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.3450
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7.
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Operational Experience with the Spallation Neutron Source High Power Protection Module
/ Crofford, Mark ; Champion, Mark ; Kasemir, Kay-Uwe ; Ma, Hengjie ; Piller, Maurice
The Spallation Neutron Source (SNS) High Power Protection Module provides protection for the High Power RF Klystron and Distribution System and interfaces with the Low-Level Radio-Frequency (LLRF) Field Control Module (FCM). The fault detection logic is implemented in a single FPGA allowing modifications and upgrades to the logic as we gain operational experience with the LINAC RF systems. [...]
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.3411
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8.
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Overview of the Spallation Neutron Source Linac Low-Level RF Control System
/ Champion, Mark ; Crofford, Mark ; Doolittle, Lawrence ; Kasemir, Kay-Uwe ; Ma, Hengjie ; Piller, Maurice ; Ratti, Alessandro
The design and production of the Spallation Neutron Source Linac Low-Level RF control system is complete, and installation will be finished in Spring 2005. The warm linac beam commissioning run in Fall 2004 was the most extensive test to date of the LLRF control system, with fourteen (of an eventual 96) systems operating simultaneously. [...]
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.3396
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9.
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Adaptive Feed Forward Beam Loading Compensation Experience at the Spallation Neutron Source Linac
/ Kasemir, Kay-Uwe ; Champion, Mark ; Crofford, Mark ; Ma, Hengjie
When initial beam studies at the Spallation Neutron Source (SNS) indicated a need for better compensation of the effects of beam loading, a succession of rapid-prototyping and experimentation lead to the development of a simple yet successful adaptive feed forward technique within a few weeks. We describe the process and first results..
2005
External link: Published version from JACoW
In : 21st IEEE Particle Accelerator Conference, Knoxville, TN, USA, 16 - 20 May 2005, pp.1467
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