RuPAC2016 - List of Authors (Savin, E.A.)

Paper	Title	Page
TUCASH01	Low-Beta High Gradient S-Band Accelerating Structure for Hadron Therapy Linacs
	E.A. Savin MEPhI, Moscow, Russia L. Faillace, S.V. Kutsaev RadiaBeam, Santa Monica, California, USA B. Mustapha, A. Nassiri, P.N. Ostroumov, A.S. Plastun ANL, Argonne, Illinois, USA
	Funding: This work was supported by the U.S. Department of Energy, Office of High Energy Physics, under Accelerator Stewardship Grants, Proposals No. 0000219678 and DE-SC0015717. RadiaBeam Technologies, in collaboration with Argonne National Laboratory, are developing low-beta S-band accelerating structures capable to operate at ~50 MV/m accelerating gradients. These structures are designed to provide very high energy gain both in proton and carbon ion linac in the velocity range above β=v/c=0.3. The structures have been optimized to operate below the known breakdown and structural limits supporting the required accelerating gradient with 500 ns flat-top RF pulses. The detailed RF design of the accelerating structures with β = 0.3 and 0.43 is presented in this paper.
	Slides TUCASH01 [1.552 MB]
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TUCASH02	Commissioning and First Tests of the New Standing Wave 10 Mev Electron Accelerator	173
	S.M. Polozov, D.B. Bazyl, T.V. Bondarenko, M. Gusarova, Yu.D. Kliuchevskaia, M.V. Lalayan, V.I. Rashchikov, E.A. Savin MEPhI, Moscow, Russia M.I. Demsky, A.A. Eliseev, V.V. Krotov, D.E. Trifonov CORAD Ltd., St. Petersburg, Russia
	A new linear electron accelerator for industrial applications was developed by the joint team of CORAD and MEPhI. It is based on conventional biperiodical accelerating structure for energy range from 7.5 to 10 MeV and beam power up to 20 kW. The use of modern methods and codes for beam dynamics simulation, raised coupling coefficient and group velocity of SW biperiodic accelerating structure allowed to reach high pulse power utilization and obtain high efficiency. The first two accelerators with the new structure have been installed and tested.
	Slides TUCASH02 [4.924 MB]
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TUPSA009	Electron Beam Dynamics Calculation and Accelerating Structure Geometry Design in 10 MeV Hybrid Electron Linac	228
	A.V. Bulanov, S.V. Matsievskiy, E.A. Savin, N.P. Sobenin MEPhI, Moscow, Russia
	Electron linear accelerators with an energy of 10 MeV are widely used for industrial purposes. This article presents the electron dynamic calculations and the design of linac with a standing wave (SW) buncher based on the biperiodic accelerating structure and a constant impedance backward traveling wave (BTW) accelerating section after it. In such accelerator, all unused RF power coming out from BTW section is used in SW section to improve the linac efficiency. Thus no RF load is needed. Also, a beam is experiencing an RF focusing in the SW buncher. Solenoid focusing field influence on the beam dynamics in the TW section was studied.
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TUPSA010	Electron Linear Accelerator with the Variable Energy from 6 to 11 MeV	231
	A.V. Bulanov, E.A. Savin, N.P. Sobenin MEPhI, Moscow, Russia A.V. Gryzlov TORIY, Moscow, Russia
	The standing wave accelerator with the variable energy from 6 to 11 MeV has been designed. Electron energy is controlled by the injected current. The buncher has been designed to provide capture above 70% for the all injected currents range. The possibility of using a permanent radially magnetized toroidal magnet for the beam focusing was studied.
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Paper

Title

Page

TUCASH01

Low-Beta High Gradient S-Band Accelerating Structure for Hadron Therapy Linacs

E.A. Savin
MEPhI, Moscow, Russia
L. Faillace, S.V. Kutsaev
RadiaBeam, Santa Monica, California, USA
B. Mustapha, A. Nassiri, P.N. Ostroumov, A.S. Plastun
ANL, Argonne, Illinois, USA

Funding: This work was supported by the U.S. Department of Energy, Office of High Energy Physics, under Accelerator Stewardship Grants, Proposals No. 0000219678 and DE-SC0015717.
RadiaBeam Technologies, in collaboration with Argonne National Laboratory, are developing low-beta S-band accelerating structures capable to operate at ~50 MV/m accelerating gradients. These structures are designed to provide very high energy gain both in proton and carbon ion linac in the velocity range above β=v/c=0.3. The structures have been optimized to operate below the known breakdown and structural limits supporting the required accelerating gradient with 500 ns flat-top RF pulses. The detailed RF design of the accelerating structures with β = 0.3 and 0.43 is presented in this paper.

Slides TUCASH01 [1.552 MB]

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TUCASH02

Commissioning and First Tests of the New Standing Wave 10 Mev Electron Accelerator

173

S.M. Polozov, D.B. Bazyl, T.V. Bondarenko, M. Gusarova, Yu.D. Kliuchevskaia, M.V. Lalayan, V.I. Rashchikov, E.A. Savin
MEPhI, Moscow, Russia
M.I. Demsky, A.A. Eliseev, V.V. Krotov, D.E. Trifonov
CORAD Ltd., St. Petersburg, Russia

A new linear electron accelerator for industrial applications was developed by the joint team of CORAD and MEPhI. It is based on conventional biperiodical accelerating structure for energy range from 7.5 to 10 MeV and beam power up to 20 kW. The use of modern methods and codes for beam dynamics simulation, raised coupling coefficient and group velocity of SW biperiodic accelerating structure allowed to reach high pulse power utilization and obtain high efficiency. The first two accelerators with the new structure have been installed and tested.

Slides TUCASH02 [4.924 MB]

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TUPSA009

Electron Beam Dynamics Calculation and Accelerating Structure Geometry Design in 10 MeV Hybrid Electron Linac

228

A.V. Bulanov, S.V. Matsievskiy, E.A. Savin, N.P. Sobenin
MEPhI, Moscow, Russia

Electron linear accelerators with an energy of 10 MeV are widely used for industrial purposes. This article presents the electron dynamic calculations and the design of linac with a standing wave (SW) buncher based on the biperiodic accelerating structure and a constant impedance backward traveling wave (BTW) accelerating section after it. In such accelerator, all unused RF power coming out from BTW section is used in SW section to improve the linac efficiency. Thus no RF load is needed. Also, a beam is experiencing an RF focusing in the SW buncher. Solenoid focusing field influence on the beam dynamics in the TW section was studied.

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TUPSA010

Electron Linear Accelerator with the Variable Energy from 6 to 11 MeV

231

A.V. Bulanov, E.A. Savin, N.P. Sobenin
MEPhI, Moscow, Russia
A.V. Gryzlov
TORIY, Moscow, Russia

The standing wave accelerator with the variable energy from 6 to 11 MeV has been designed. Electron energy is controlled by the injected current. The buncher has been designed to provide capture above 70% for the all injected currents range. The possibility of using a permanent radially magnetized toroidal magnet for the beam focusing was studied.

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