نتایج جستجو برای: linac head modeling

تعداد نتایج: 557109  

Journal: :Sensors and Actuators A-physical 2021

The Investigations of this article focus on the response Al2O3:C and Al2O3:C,Mg radioluminescence films for medical dosimetry in various MV photon beams. A system was configured using a scientific camera, attached to head linear accelerator (LINAC), facing beam’s isocenter, where were placed. By appropriate filter lens it is possible measure real time two-dimensional dose-rate distributions. ke...

Journal: :Journal of Plasma and Fusion Research 2002

2002
Masanori Ikegami Yasuo Higashi Takao Kato

A high-intensity proton accelerator facility named Japan Proton Accelerator Research Complex, or J-PARC, has been proposed as a joint project between KEK (High Energy Accelerator Research Organization) and JAERI (Japan Atomic Energy Research Institute), and the construction of its first phase has been approved by the government [1]. The construction of the linac part has recently been started a...

Journal: :TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan) 1971

2002

Five new accelerating modules were installed into the TTF tunnel as a part of the VUV FEL Linac. They are tested prior to the linac operation. The RF test includes processing of the superconducting cavities, as well as maximum module performance tests. The test procedure and the achieved modules cavities performance are presented. Abstract Five new accelerating modules were installed into the T...

2000
A. Kolomiets

The conception of High Power Linac developed in Russian accelerator centres is based on the use of independently phased SC resonators with quadrupole lenses between them. The type and parameters of the resonators as well as focusing structure are varied along the linac to optimise beam dynamics and the characteristics of the linac. The beam evolution in the linac was studied by simulation in 3D...

2007
M. Marchetto A. Bylinskii R. E. Laxdal

The ISAC II superconducting linac is presently in the beam commissioning phase. The linac lattice consists of modules of four quarter wave cavities and one superconducting solenoid. At the moment five cryomodules (indicated as medium beta section) are installed. Beam steerers between cryomodules compensate for steering effects due to misalignments in the solenoids. Beam dynamics aspects of lina...

1990
C. ADOLPHSEN T. L. LAVINE M. Ross K. THOMPSON

In-the Stanford Linear Collider the beam leaves a damping ring and then enters the Ring-to-Linac (RTL) transfer line. In the RTL it is compressed in length by a factor of 10 by means of an rf section, with which a longitudinally correlated energy variation is induced in the beam, and a following beam line which has non-zero momentum compaction. The compressed beam then enters the linac proper. ...

1998
D. Yu T. Lee S. Rajagopalan J. Chen C. Pellegrini J. Rosenzweig X. Ding

We develop a novel photoelectron linear accelerator using a plane wave transformer (PWT) design [1]. In this design the input RF power is coupled to the accelerating cavities via a large concentric manifold cavity. The scheme makes possible very strong coupling between the accelerating cells, and relaxes manufacturing tolerances. The compact photoelectron linac integrates a photocathode directl...

2000
K Hasegawa

The Japan Hadron Facility of KEK and the Neutron Science Project of JAERI have been merged to one project; the KEK/JAERI Joint Project for high-intensity proton accelerator facility. The purpose of the Joint Project is to pursue frontier science and nuclear technology. The accelerator for the Joint Project comprises a normaland super-conducting linac, a 3-GeV rapid cycling synchrotron and a 50-...

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