IPAC2013 - List of Authors (Yin, X.)

Paper	Title	Page
TUPWA019	Comparison of Tracking Simulation with Experiment on the GSI UNILAC	1763
	X. Yin IHEP, Beijing, People's Republic of China W.A. Barth, W.B. Bayer, L. Groening, I. Hofmann, S.G. Richter, S.G. Yaramyshev GSI, Darmstadt, Germany A. Franchi CERN, Geneva, Switzerland A.C. Sauer IAP, Frankfurt am Main, Germany
	In the European framework “High Intensity Pulsed Proton Injector” (HIPPI), the 3D linac code comparison and benchmarking program with experiment have been initialed. PARMILA and HALODYN are involved in this work. Both of these codes have been developed and used for linac design and beam dynamics studies. In this paper, we compare the simulation results with experiment results which was carried out on the UNILAC Alvarez DTL. And discuss physics aspects of the different linac design and beam dynamics simulation codes.

THPWO047	The LLRF Measurement and Analysis of the SSC-LINAC RFQ	3875
	G. Liu, J.E. Chen, S.L. Gao, Y.R. Lu, Z. Wang, X.Q. Yan, K. Zhu PKU, Beijing, People's Republic of China X. Du, Y. He, G. Pan, Y.Q. Yang, X. Yin, Y.J. Yuan, Z.L. Zhang, H.W. Zhao IMP, Lanzhou, People's Republic of China
	Funding: Supported by NSFC(11079001) The manufacturing process of the SSC-LINAC RFQ went to end and the LLRF measurement has been done. The frequency of the RFQ is 53.557 MHz without tuning, which is not far from the design value 53.667 MHz. The unflatness of the field along the beam axis is less than ±4%, which meets the simulation results. The dipole field is in the acceptable margin as well. The frequency will be adjusted by tuning plungers in operation. In this paper, the field distribution along the cavity has been measured and compared with the modulated electrodes simulation. The difference and its influences on the beam transmission have been analyzed.

THPWO048	A CW High Charge State Heavy Ion RFQ for SSC-LINAC	3878
	Y.R. Lu, J.E. Chen, S.L. Gao, G. Liu, Z. Wang, X.Q. Yan, K. Zhu PKU, Beijing, People's Republic of China Y. He, L.P. Sun, J.W. Xia, Y.Q. Yang, X. Yin, Y.J. Yuan, Z.L. Zhang, H.W. Zhao IMP, Lanzhou, People's Republic of China
	Funding: Supported by NSFC 11079001 To improve the super heavy ion beam injection efficiency and supply high current heavy ion beam for Separated Sector Cyclotron, A CW RFQ for heavy ion with high charge state has been designed and manufactured in the last two years. This RFQ will operate at 53.667MHz, will accelerate super heavy ions such as 238U³⁴⁺ to 143keV/u. This paper will introduce the SSC-LINAC components, especially the RFQ beam dynamics, full length structure design, tuning and cooling method. Furthermore RF system and RF commissioning with full power for the RFQ power cavity will also be presented.

THPWO059	Beam Dynamics Design of the Main Accelerating Section with KONUS in the CSR-LINAC Proposal	3895
	X.H. Zhang, H. Du, J.W. Xia, X. Yin, Y.J. Yuan IMP, Lanzhou, People's Republic of China
	The CSR-LINAC as the injector of the Cooling Storage Ring (CSR) has been proposed in Heavy Ion Research Facility in Lanzhou (HIRFL). The injection linac mainly consists of two Linacs, the Radio Frequency Quadrupole linac (RFQ) and the Drift Tube Linac (DTL). The KONUS (Kombinierte Null Grad Struktur) concept has been introduced to the drift tube linac section. In this paper, the re-matching of the main accelerating section will be finished in the 3.7MeV/u scheme and the new beam dynamics design updating to 7MeV/u will be shown. Through the beam re-matching, the relative emittance growth has been suppressed greatly along the linac. The KONUS structure is also adopted in the beam dynamics design that update from 3.7MeV/u to 7MeV/u and the good beam quality and transmission is shown.

Paper

Title

Page

Comparison of Tracking Simulation with Experiment on the GSI UNILAC

1763

X. Yin
IHEP, Beijing, People's Republic of China
W.A. Barth, W.B. Bayer, L. Groening, I. Hofmann, S.G. Richter, S.G. Yaramyshev
GSI, Darmstadt, Germany
A. Franchi
CERN, Geneva, Switzerland
A.C. Sauer
IAP, Frankfurt am Main, Germany

In the European framework “High Intensity Pulsed Proton Injector” (HIPPI), the 3D linac code comparison and benchmarking program with experiment have been initialed. PARMILA and HALODYN are involved in this work. Both of these codes have been developed and used for linac design and beam dynamics studies. In this paper, we compare the simulation results with experiment results which was carried out on the UNILAC Alvarez DTL. And discuss physics aspects of the different linac design and beam dynamics simulation codes.

THPWO047

The LLRF Measurement and Analysis of the SSC-LINAC RFQ

3875

G. Liu, J.E. Chen, S.L. Gao, Y.R. Lu, Z. Wang, X.Q. Yan, K. Zhu
PKU, Beijing, People's Republic of China
X. Du, Y. He, G. Pan, Y.Q. Yang, X. Yin, Y.J. Yuan, Z.L. Zhang, H.W. Zhao
IMP, Lanzhou, People's Republic of China

Funding: Supported by NSFC(11079001)
The manufacturing process of the SSC-LINAC RFQ went to end and the LLRF measurement has been done. The frequency of the RFQ is 53.557 MHz without tuning, which is not far from the design value 53.667 MHz. The unflatness of the field along the beam axis is less than ±4%, which meets the simulation results. The dipole field is in the acceptable margin as well. The frequency will be adjusted by tuning plungers in operation. In this paper, the field distribution along the cavity has been measured and compared with the modulated electrodes simulation. The difference and its influences on the beam transmission have been analyzed.

THPWO048

A CW High Charge State Heavy Ion RFQ for SSC-LINAC

3878

Y.R. Lu, J.E. Chen, S.L. Gao, G. Liu, Z. Wang, X.Q. Yan, K. Zhu
PKU, Beijing, People's Republic of China
Y. He, L.P. Sun, J.W. Xia, Y.Q. Yang, X. Yin, Y.J. Yuan, Z.L. Zhang, H.W. Zhao
IMP, Lanzhou, People's Republic of China

Funding: Supported by NSFC 11079001
To improve the super heavy ion beam injection efficiency and supply high current heavy ion beam for Separated Sector Cyclotron, A CW RFQ for heavy ion with high charge state has been designed and manufactured in the last two years. This RFQ will operate at 53.667MHz, will accelerate super heavy ions such as 238U³⁴⁺ to 143keV/u. This paper will introduce the SSC-LINAC components, especially the RFQ beam dynamics, full length structure design, tuning and cooling method. Furthermore RF system and RF commissioning with full power for the RFQ power cavity will also be presented.

THPWO059

Beam Dynamics Design of the Main Accelerating Section with KONUS in the CSR-LINAC Proposal

3895

X.H. Zhang, H. Du, J.W. Xia, X. Yin, Y.J. Yuan
IMP, Lanzhou, People's Republic of China

The CSR-LINAC as the injector of the Cooling Storage Ring (CSR) has been proposed in Heavy Ion Research Facility in Lanzhou (HIRFL). The injection linac mainly consists of two Linacs, the Radio Frequency Quadrupole linac (RFQ) and the Drift Tube Linac (DTL). The KONUS (Kombinierte Null Grad Struktur) concept has been introduced to the drift tube linac section. In this paper, the re-matching of the main accelerating section will be finished in the 3.7MeV/u scheme and the new beam dynamics design updating to 7MeV/u will be shown. Through the beam re-matching, the relative emittance growth has been suppressed greatly along the linac. The KONUS structure is also adopted in the beam dynamics design that update from 3.7MeV/u to 7MeV/u and the good beam quality and transmission is shown.