LINAC2012 - List of Keywords (TRIUMF)

Paper	Title	Other Keywords	Page
MOPB024	Beam Dynamics Simulation and Optimization for 10 MeV Superconducting e-Linac Injector for VECC-RIB Facility	electron, linac, gun, emittance	225
	A. Chakrabarti, S. Dechoudhury, V. Naik VECC, Kolkata, India F. Ames, R.A. Baartman, Y.-C. Chao, R.E. Laxdal, M. Marchetto, L. Merminga, F. Yan TRIUMF, Vancouver, Canada G. Goh SFU, Burnaby, BC, Canada
	Funding: This project is funded by Department of Atomic Energy, India In the first phase of ongoing collaboration between VECC (India) and TRIUMF (Canada) a 10 MeV superconducting electron linac injector will be installed at VECC. This will constitute a 100 keV DC thermionic gun with grid delivering pulsed electron beam at 650 MHz. Owing to low energy from the gun, a capture cryo-module (CCM) consisting of two β = 1 single cell elliptical cavities (frequency = 1.3 GHz) will be inserted before a 9-cell β = 1 elliptical cavity that will provide acceleration to 10 MeV. The present paper depicts the beam dynamics simulation and optimization of different parameters for the injector with a realistic simulated beam emittance from the electron gun.

MOPB033	High Power Coupler Test for TRIUMF E-linac SC Cavities	vacuum, linac, electron, monitoring	246
	A.K. Mitra, Z.T. Ang, S. Calic, P.R. Harmer, S.R. Koscielniak, R.E. Laxdal, W.R. Rawnsley, R.W. Shanks TRIUMF, Vancouver, Canada
	TRIUMF has been funded to build an electron linac with a final energy of 50 MeV and 500 kW beam power using TESLA type 9 cell superconducting cavities operating at 1.3 GHz at 2 Kelvin. The e-linac consists of an electron gun, buncher cavity, injector cryomodule, and two main-linac cryomodules. The injector module has one 9-cell cavity whereas each of the accelerating main-linac cryomodules contains two 9-cell cavities. It is scheduled to install the injector and one main accelerating cryomodule by 2014. Six power couplers, each rated for 60 kW cw, have been procured for three cavities. The injector cryomodule will be fed by a 30 kW cw inductive Output Tube (IOT) and the accelerating cryomodule will be powered by a 290 kW cw klystron. In order to install the power couplers in the cavities, they are to be assembled and conditioned with high power rf source. A power coupler test station has been built and tests of two power couplers have began. A 30 kW IOT has been commissioned to full output power and it will be used for the power coupler test. In this paper, test results of the rf conditioning of the power couplers under pulse and cw mode will be described.

MOPB091	The Injector Cryomodule for the ARIEL e-Linac at TRIUMF	cryomodule, cavity, linac, cryogenics	389
	R.E. Laxdal, A. Koveshnikov, N. Muller, W.R. Rawnsley, G. Stanford, V. Zvyagintsev TRIUMF, Vancouver, Canada M. Ahammed, M. Mondrel VECC, Kolkata, India
	The ARIEL project at TRIUMF includes a 50 MeV-10 mA electron linear accelerator (e-Linac) using 1.3 GHz superconducting technology. The accelerator is divided into three cryomodules including a single cavity injector cryomodule (ICM) and two accelerating cryomodules with two cavities each. The ICM is being built first. The ICM utilizes a unique top-loading box vacuum vessel. The shape allows the addition of a 4 K/2 K cryogenic unit that accepts near atmospheric LHe and converts to 2 K liquid inside the cryomodule. The cryomodule design is complete and in fabrication. The 4 K/2 K cryogenic unit has been assembled and tested in a test cryostat. The paper will describe the design of the cryomodule and the results of the cryogenic tests.

TUPB081	Beam Diagnostics Development for Triumf E-Linac	target, diagnostics, pick-up, electron	660
	V.A. Verzilov, P.S. Birney, D.P. Cameron, J.V. Holek, S.Y. Kajioka, S. Kellogg, M. Lenckowski, M. Minato, W.R. Rawnsley TRIUMF, Vancouver, Canada J.M. Abernathy, D. Karlen, D.W. Storey Victoria University, Victoria, B.C., Canada
	TRIUMF laboratory is currently in a phase of the construction of a new superconducting 50 MeV 10 mA cw electron linac (e-linac) to drive photo-fission based rare radioactive isotope beam (RIB) production. The project imposes certain technical challenges on various accelerator systems including beam diagnostics. In the first place these are a high beam power and strongly varying operating modes ranging from very short beam pulses to the cw regime. A number of development projects have been started to construct the diagnostics instrumentation required for commissioning and operation of the facility. The paper reports the present status of the projects along with measurement results obtained at the test facility which produced the first beam in Fall of 2011.

WE1A04	The ARIEL Superconducting Electron Linac	cryomodule, cavity, gun, linac	729
	S.R. Koscielniak, F. Ames, R.A. Baartman, I.V. Bylinskii, Y.-C. Chao, D. Dale, R.J. Dawson, E.R. Guetre, N. Khan, A. Koveshnikov, A. Laxdal, R.E. Laxdal, F. Mammarella, M. Marchetto, L. Merminga, A.K. Mitra, T. Planche, Y.-N. Rao, A. Sitnikov, V.A. Verzilov, D. Yosifov, V. Zvyagintsev TRIUMF, Vancouver, Canada D. Karlen, R.R. Langstaff Victoria University, Victoria, B.C., Canada
	The TRIUMF Advanced Rare Isotope Laboratory (ARIEL) is funded since 2010 June by federal and BC Provincial governments. In collaboration with the University of Victoria, TRIUMF is proceeding with construction of a new target building, connecting tunnel, rehabilitation of an existing vault to contain the electron linear accelerator, and a cryogenic compressor building. TRIUMF starts construction of a 300 keV thermionic gun, and 10 MeV Injector cryomodule (EINJ) in 2012; the designs being complete. The 25 MeV Accelerator Cryomodule (EACA) follows in autumn 2013. TRIUMF is embarking on major equipment purchases and has signed contracts for 4K cryogenic plant and four sub-atmospheric pumps, a 290 kW c.w. klystron and high-voltage power supply, 80 quadrupole magnets, EINJ tank and lid, and four 1.3 GHz niobium 9-cell cavities from a local Canadian supplier. The low energy beam transport and beam diagnotics are being installed at the ISAC-II/VECC test facility. Procurement is anticipated October 2012 for the liquid He distribution system.
	Slides WE1A04 [4.305 MB]

FR1A04	In Flight Ion Separation using a Linac Chain	rfq, linac, DTL, ISAC	1059
	M. Marchetto, F. Ames, B. Davids, R.E. Laxdal, A.C. Morton TRIUMF, Vancouver, Canada
	The ISAC accelerator complex now can accelerate radioactive heavy ion beams to above the Coulomb Barrier. Recently an ECR type charge state booster has been added to allow the acceleration of radioactive beams with masses A>30. A characteristic of the ECR source is the efficient ionization of background species that can overwhelm the low intensity RIB beam. The long linac chain at ISAC can be used to provide some in flight separation both in time domain and in spatial domain analogous to fragment separators at in-flight fragmentation facilities. The talk will summarize the work done at TRIUMF to develop tools to aid in the filtration and diagnosis of beam purity in the post acceleration of charge bred beams. Marco Marchetto has been leading this effort.
	Slides FR1A04 [24.174 MB]

Paper

Title

Other Keywords

Page

MOPB024

Beam Dynamics Simulation and Optimization for 10 MeV Superconducting e-Linac Injector for VECC-RIB Facility

electron, linac, gun, emittance

225

A. Chakrabarti, S. Dechoudhury, V. Naik
VECC, Kolkata, India
F. Ames, R.A. Baartman, Y.-C. Chao, R.E. Laxdal, M. Marchetto, L. Merminga, F. Yan
TRIUMF, Vancouver, Canada
G. Goh
SFU, Burnaby, BC, Canada

Funding: This project is funded by Department of Atomic Energy, India
In the first phase of ongoing collaboration between VECC (India) and TRIUMF (Canada) a 10 MeV superconducting electron linac injector will be installed at VECC. This will constitute a 100 keV DC thermionic gun with grid delivering pulsed electron beam at 650 MHz. Owing to low energy from the gun, a capture cryo-module (CCM) consisting of two β = 1 single cell elliptical cavities (frequency = 1.3 GHz) will be inserted before a 9-cell β = 1 elliptical cavity that will provide acceleration to 10 MeV. The present paper depicts the beam dynamics simulation and optimization of different parameters for the injector with a realistic simulated beam emittance from the electron gun.

MOPB033

High Power Coupler Test for TRIUMF E-linac SC Cavities

vacuum, linac, electron, monitoring

246

A.K. Mitra, Z.T. Ang, S. Calic, P.R. Harmer, S.R. Koscielniak, R.E. Laxdal, W.R. Rawnsley, R.W. Shanks
TRIUMF, Vancouver, Canada

TRIUMF has been funded to build an electron linac with a final energy of 50 MeV and 500 kW beam power using TESLA type 9 cell superconducting cavities operating at 1.3 GHz at 2 Kelvin. The e-linac consists of an electron gun, buncher cavity, injector cryomodule, and two main-linac cryomodules. The injector module has one 9-cell cavity whereas each of the accelerating main-linac cryomodules contains two 9-cell cavities. It is scheduled to install the injector and one main accelerating cryomodule by 2014. Six power couplers, each rated for 60 kW cw, have been procured for three cavities. The injector cryomodule will be fed by a 30 kW cw inductive Output Tube (IOT) and the accelerating cryomodule will be powered by a 290 kW cw klystron. In order to install the power couplers in the cavities, they are to be assembled and conditioned with high power rf source. A power coupler test station has been built and tests of two power couplers have began. A 30 kW IOT has been commissioned to full output power and it will be used for the power coupler test. In this paper, test results of the rf conditioning of the power couplers under pulse and cw mode will be described.

MOPB091

The Injector Cryomodule for the ARIEL e-Linac at TRIUMF

cryomodule, cavity, linac, cryogenics

389

R.E. Laxdal, A. Koveshnikov, N. Muller, W.R. Rawnsley, G. Stanford, V. Zvyagintsev
TRIUMF, Vancouver, Canada
M. Ahammed, M. Mondrel
VECC, Kolkata, India

The ARIEL project at TRIUMF includes a 50 MeV-10 mA electron linear accelerator (e-Linac) using 1.3 GHz superconducting technology. The accelerator is divided into three cryomodules including a single cavity injector cryomodule (ICM) and two accelerating cryomodules with two cavities each. The ICM is being built first. The ICM utilizes a unique top-loading box vacuum vessel. The shape allows the addition of a 4 K/2 K cryogenic unit that accepts near atmospheric LHe and converts to 2 K liquid inside the cryomodule. The cryomodule design is complete and in fabrication. The 4 K/2 K cryogenic unit has been assembled and tested in a test cryostat. The paper will describe the design of the cryomodule and the results of the cryogenic tests.

TUPB081

Beam Diagnostics Development for Triumf E-Linac

target, diagnostics, pick-up, electron

660

V.A. Verzilov, P.S. Birney, D.P. Cameron, J.V. Holek, S.Y. Kajioka, S. Kellogg, M. Lenckowski, M. Minato, W.R. Rawnsley
TRIUMF, Vancouver, Canada
J.M. Abernathy, D. Karlen, D.W. Storey
Victoria University, Victoria, B.C., Canada

TRIUMF laboratory is currently in a phase of the construction of a new superconducting 50 MeV 10 mA cw electron linac (e-linac) to drive photo-fission based rare radioactive isotope beam (RIB) production. The project imposes certain technical challenges on various accelerator systems including beam diagnostics. In the first place these are a high beam power and strongly varying operating modes ranging from very short beam pulses to the cw regime. A number of development projects have been started to construct the diagnostics instrumentation required for commissioning and operation of the facility. The paper reports the present status of the projects along with measurement results obtained at the test facility which produced the first beam in Fall of 2011.

WE1A04

The ARIEL Superconducting Electron Linac

cryomodule, cavity, gun, linac

729

S.R. Koscielniak, F. Ames, R.A. Baartman, I.V. Bylinskii, Y.-C. Chao, D. Dale, R.J. Dawson, E.R. Guetre, N. Khan, A. Koveshnikov, A. Laxdal, R.E. Laxdal, F. Mammarella, M. Marchetto, L. Merminga, A.K. Mitra, T. Planche, Y.-N. Rao, A. Sitnikov, V.A. Verzilov, D. Yosifov, V. Zvyagintsev
TRIUMF, Vancouver, Canada
D. Karlen, R.R. Langstaff
Victoria University, Victoria, B.C., Canada

The TRIUMF Advanced Rare Isotope Laboratory (ARIEL) is funded since 2010 June by federal and BC Provincial governments. In collaboration with the University of Victoria, TRIUMF is proceeding with construction of a new target building, connecting tunnel, rehabilitation of an existing vault to contain the electron linear accelerator, and a cryogenic compressor building. TRIUMF starts construction of a 300 keV thermionic gun, and 10 MeV Injector cryomodule (EINJ) in 2012; the designs being complete. The 25 MeV Accelerator Cryomodule (EACA) follows in autumn 2013. TRIUMF is embarking on major equipment purchases and has signed contracts for 4K cryogenic plant and four sub-atmospheric pumps, a 290 kW c.w. klystron and high-voltage power supply, 80 quadrupole magnets, EINJ tank and lid, and four 1.3 GHz niobium 9-cell cavities from a local Canadian supplier. The low energy beam transport and beam diagnotics are being installed at the ISAC-II/VECC test facility. Procurement is anticipated October 2012 for the liquid He distribution system.

Slides WE1A04 [4.305 MB]

FR1A04

In Flight Ion Separation using a Linac Chain

rfq, linac, DTL, ISAC

1059

M. Marchetto, F. Ames, B. Davids, R.E. Laxdal, A.C. Morton
TRIUMF, Vancouver, Canada

The ISAC accelerator complex now can accelerate radioactive heavy ion beams to above the Coulomb Barrier. Recently an ECR type charge state booster has been added to allow the acceleration of radioactive beams with masses A>30. A characteristic of the ECR source is the efficient ionization of background species that can overwhelm the low intensity RIB beam. The long linac chain at ISAC can be used to provide some in flight separation both in time domain and in spatial domain analogous to fragment separators at in-flight fragmentation facilities. The talk will summarize the work done at TRIUMF to develop tools to aid in the filtration and diagnosis of beam purity in the post acceleration of charge bred beams. Marco Marchetto has been leading this effort.

Slides FR1A04 [24.174 MB]