COOL2017 - List of Authors (Huang, Z.)

Paper	Title	Page
TUP05	Towards Laser Cooling of Relativistic ¹⁶O⁵⁺ Ion Beams at the CSRe
	H.B. Wang, B. Hai, Z. Huang, J. Li, X.N. Li, X. Ma, L.J. Mao, R.S. Mao, W.Q. Wen, J.X. Wu, J.C. Yang, Y.J. Yuan, D. Zhang, D. Zhao IMP/CAS, Lanzhou, People's Republic of China M.H. Bussmann HZDR, Dresden, Germany D.F.A. Winters GSI, Darmstadt, Germany
	Laser cooling is one of the most promising techniques to achieve high phase-space densities or even crystalline beams for relativistic heavy ion beams at storage rings []. In addition, precision laser spectroscopy of relevant transitions in highly charged ions can also be performed simultaneously during the laser cooling experiments []. In the storage ring CSRe at IMP, a new laser cooling experiment for Li-like ¹⁶O⁵⁺ ion beams is currently being prepared and will be carried out at the end of the year 2017 under the Laser-cooling Collaboration. During the experiment, a CW laser with a wavelength of 220 nm will be used to cool the ¹⁶O⁵⁺ ion beams with an energy of 280 MeV/u. The ¹⁶O⁵⁺ ion beams will be the highest charge state and highest energy ions ever used for laser cooling at the storage rings. In the experiment, the longitudinally dynamics of ultra-cold ion beams will be investigate systematically towards the transition of the space charge dominated regime. Precision laser spectroscopy of ¹⁶O⁵⁺ ions for measuring the transition energy of 2s1/2'2p1/2 and 2s1/2'2p3/2 is foreseen. [] U. Schramm et al., Progress in Particle and Nuclear Physics, 53 (2004) 583-677. [**] U. Schramm et al., Hyperfine Interactions 162(1) (2005), 181-188
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TUP08	Preliminary Design of Electron Target for SRing at HIAF	40
	J. Li, Z. Huang, L.J. Mao, M.T. Tang, S. X. Wang, J.C. Yang, X.D. Yang, H. Zhao, L.X. Zhao IMP/CAS, Lanzhou, People's Republic of China
	A 13 Tm multifunction storage ring dedicated to nucleon and atomic experiment research - the SRing (Spectrometry Ring) is a significant part of the new heavy-ion research complex - HIAF (High Intensity heavy ion Accelerator Facility). In additional to an electron cooler and a gas internal target planned at the SRing, a beam of low temperature electron is also required to collide with the storage beam and to cool the decelerated ion beam at low energy. A magnetic adiabatic expansion is proposed to attain a low temperature by applying a 1.2 T longitudinal magnetic field upon the thermionic cathode at the electron gun. In this paper, preliminary design of the electron target is introduced.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-COOL2017-TUP08
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Paper

Title

Page

TUP05

Towards Laser Cooling of Relativistic ¹⁶O⁵⁺ Ion Beams at the CSRe

H.B. Wang, B. Hai, Z. Huang, J. Li, X.N. Li, X. Ma, L.J. Mao, R.S. Mao, W.Q. Wen, J.X. Wu, J.C. Yang, Y.J. Yuan, D. Zhang, D. Zhao
IMP/CAS, Lanzhou, People's Republic of China
M.H. Bussmann
HZDR, Dresden, Germany
D.F.A. Winters
GSI, Darmstadt, Germany

Laser cooling is one of the most promising techniques to achieve high phase-space densities or even crystalline beams for relativistic heavy ion beams at storage rings [*]. In addition, precision laser spectroscopy of relevant transitions in highly charged ions can also be performed simultaneously during the laser cooling experiments [**]. In the storage ring CSRe at IMP, a new laser cooling experiment for Li-like ¹⁶O⁵⁺ ion beams is currently being prepared and will be carried out at the end of the year 2017 under the Laser-cooling Collaboration. During the experiment, a CW laser with a wavelength of 220 nm will be used to cool the ¹⁶O⁵⁺ ion beams with an energy of 280 MeV/u. The ¹⁶O⁵⁺ ion beams will be the highest charge state and highest energy ions ever used for laser cooling at the storage rings. In the experiment, the longitudinally dynamics of ultra-cold ion beams will be investigate systematically towards the transition of the space charge dominated regime. Precision laser spectroscopy of ¹⁶O⁵⁺ ions for measuring the transition energy of 2s1/2'2p1/2 and 2s1/2'2p3/2 is foreseen.
[*] U. Schramm et al., Progress in Particle and Nuclear Physics, 53 (2004) 583-677.
[**] U. Schramm et al., Hyperfine Interactions 162(1) (2005), 181-188

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TUP08

Preliminary Design of Electron Target for SRing at HIAF

40

J. Li, Z. Huang, L.J. Mao, M.T. Tang, S. X. Wang, J.C. Yang, X.D. Yang, H. Zhao, L.X. Zhao
IMP/CAS, Lanzhou, People's Republic of China

A 13 Tm multifunction storage ring dedicated to nucleon and atomic experiment research - the SRing (Spectrometry Ring) is a significant part of the new heavy-ion research complex - HIAF (High Intensity heavy ion Accelerator Facility). In additional to an electron cooler and a gas internal target planned at the SRing, a beam of low temperature electron is also required to collide with the storage beam and to cool the decelerated ion beam at low energy. A magnetic adiabatic expansion is proposed to attain a low temperature by applying a 1.2 T longitudinal magnetic field upon the thermionic cathode at the electron gun. In this paper, preliminary design of the electron target is introduced.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-COOL2017-TUP08

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)