PAC07 - List of Authors (Shen, G. B.)

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Shen, G. B.

Paper	Title	Page
MOPAN029	XAL Online Model Enhancements for J-PARC Commissioning and Operation	218
	C. K. Allen, M. Ikegami KEK, Ibaraki H. Ikeda Visual Information Center, Inc., Ibaraki-ken T. Ohkawa JAEA, Ibaraki-ken H. Sako, G. B. Shen JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken A. Ueno JAEA/LINAC, Ibaraki-ken
	Funding: Work supported by a KEK foreign visiting researcher grant The XAL application development environment has been installed as a part of the control system for the Japan Proton Accelerator Research Center (J-PARC). XAL was initially developed at SNS and has been described at length in previous conference proceedings (e.g., Chu et. al. APAC07, Galambos et. al. PAC05, etc.). The fundamental tenet of XAL is to provide a consistent, high-level programming interface, along with a set of high-level application tools, all of which are independent of the underlying machine hardware. Control applications can be built that run at any accelerator site where XAL is installed. Of course each site typically has specific needs not supported by XAL and the framework was designed with this in mind: each institution can upgrade XAL which then is accessible to all users. We outline the upgrades and enhancements to the XAL online model necessary for accurate simulation of the J-PARC linac. For example, we have added permanent magnet quadrupoles and additional space charge capabilities such as off-centered and rotated beams and bending magnets with space charge. We present the physics models for the upgrades as well as the software architecture supporting them.
MOPAN044	Development of Commissioning Software System for J-PARC LINAC	257
	H. Sako, G. B. Shen JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken C. K. Allen KEK, Ibaraki H. Ikeda Visual Information Center, Inc., Ibaraki-ken
	Beam commissioning of J-PARC LINAC has been performed since November 2006. A commissioning software framework and a database system have been developed for the commissioning. We first discuss the LINAC control system, and then our commissioning software framework. Then, we discuss our strategy of comparing online/offline data and models in our system with monitors, magnets, and the RF system. Commissioning tools developed during the commissioning will be presented in detail.
TUPAN039	Profile Measurement and Transverse Matching in J-PARC Linac	1472
	H. Akikawa, Z. Igarashi, M. Ikegami, S. Lee KEK, Ibaraki S. Sato, T. Tomisawa, A. Ueno JAEA/LINAC, Ibaraki-ken G. B. Shen JAEA, Ibaraki-ken
	Beam commissioning of J-PARC linac has been performed since November 2006. In the beam commissioning, transverse matching has been performed by measurement of beam profiles and emittance with wire scanners. In this presentation, detail of wire scanners and the method of matching are described.
TUPAN062	RF Amplitude and Phase Tuning of J-PARC SDTL	1529
	G. B. Shen JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken H. Sako JAEA, Ibaraki-ken S. Sato JAEA/LINAC, Ibaraki-ken
	In the beam commissioning of J-PARC Linac, RF phase and amplitude of SDTL (Separate-type Drift Tube Linac) cavities have been tuned with a phase-scan method based on the beam-energy measurement. The output beam energy is measured with two FCTs (Fast Current Transformer) using the TOF (Time-Of-Flight) method. The detailed results of RF tuning for SDTL cavity is presented.
FRPMN045	Beam Position Monitor and its Calibration in J-PARC LINAC	4072
	S. Sato, T. Tomisawa, A. Ueno JAEA/LINAC, Ibaraki-ken H. Akikawa, Z. Igarashi, N. Kamikubota, S. Lee KEK, Ibaraki M. Ikegami JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken H. Sako, G. B. Shen JAEA, Ibaraki-ken
	The beam commissioning of J-PARC linac has been started in November 2006. Beam Position Monitors (BPMs) which have been calibrated on the bench setup with a scanning wire, utilize beam based calibration to relate the BPM center and the center of Q magnet. In this presentation, detail of installed BPM and the calibration methods are described.