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Warm dense matter research at HIAF

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matter and Radiation at Extremes 2018年第2期3卷 85-93页

作者： Rui Cheng Yu Lei Xianming Zhou Yuyu Wang Yanhong Chen Yongtao Zhao Jieru Ren Lina Sheng Jiancheng Yang Zimin Zhang Yingchao Du Wei Gai xinwen ma Guoqing Xiao Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China School of Science Xi'an Jiaotong UniversityXi'an 710049China University of Chinese Academy of Sciences Beijing 100049China Department of Engineering Physics Tsinghua UniversityBeijing 100084China Argonne National Lab ArgonneIL 60439USA

The research activities on warm dense matter driven by intense heavy ion beams at the new project High Intensity heavy-ion AcceleratorFacility (HIAF) are presented. The ion beam parameters and the simulated accessible state of matter at HIAF are introduced, respectively. Theprogresses of the developed diagnostics for warm dense matter research including high energy electron radiography, multiple-channel pyrometer,in-situ energy loss and charge state of ion detector are briefly introduced.

关键词： Warm dense matter Intense heavy ion beams HIAF Electron radiography

A Picosecond Tunable laser System Planned for Identification of Atomic Number Z of Super Heavy Elements

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2006年第1期 106-107页

作者： Zhang Dacheng ma xinwen Wen Zhiyi ZhanWenlong Institute of Modern Physics Chinese Academy of Science Beijing China.

Signatures of the projectile electron-target-core elastic scattering in Ar(e,2e) reactions at low and intermediate impact energies

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Signatures of the projectile electron-target-core elastic sc...

General overview of the strong projectile-target-core interaction in Ne(e,2e) reaction

第十六届全国原子与分子物理学术会议

作者： Zhang Pengju,ma xinwen,Yan Shuncheng,Xu Shenyue

The momentum distributions of the recoil ions Ar in Ar(e,2e) reactions were obtained at incident electron energies from 80 eV to 220 eV by using the reaction microscope[1].The contributions of large longitudinal momen...

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General overview of the strong projectile-target-core intera...

Two New Electronic Transitions of Tungsten Monoxide Studied by Laser Spectroscopy

第十六届全国原子与分子物理学术会议

作者： Yan Shuncheng,ma xinwen,Zhang Pengju,Xu Shenyue

We investigated the single ionization of Ne(2p) in collision with electron by measuring the momentum distribution of the recoil ions[1].It has been found that a noticeable number of recoil ions carry large longitudina...

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IMP & HIRFL Annual Report 2018年第1期 68-69页

作者： Zhang Jicai Zhao Dongmei ma xinwen Yang Jie Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China University of Chinese Academy of Sciences Beijing 100049China

Combing pulsed discharge supersonic beam and laser ablation techniques,we investigated the laser-induced fluorescence(LIF)excitation spectra of jet-cooled WO molecule in the range of 2100023200 cm−***.1(a)shows our experimental setup,the gas phase WO molecules were produced by the reaction to O2 molecules with the tungsten atoms ablated from a pure tungsten *** vibronic bands were observed for the first time and assigned to two electronic transition systems[21.2]0+–X0+and[22.2]0+–X0+.The rotational constants in these two excited electronic states have been derived by rotational analysis of the ***.1(b)shows the observation and calculation of the rotational spectra of[21.2]0+–X0+(0–)band,and the tungsten isotope splittings were clearly resolved in P-branch,which caused by four major tungsten isotopes,28.6%186W,30.7%184W,14.28%183W,and 26.3%*** on the vibrational frequencies in the ground electronic state X0+and upper[21.2]0+state,a blue isotopic shift0.03 cm−1/amu is expected in ***,a red isotopic shifts0.19 cm−1/amu is observed experimentally.

关键词： calculation. rotational Transition

Comparison of Highly Differential Cross Sections between Experimental Results and Theory

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2007年第1期 126-127页

作者： ma xinwen Zhu Xiaolong Li Bin Liu Huipin

Direct Observation of Interatomic Relaxation Processes in neon Dimers by Electron-impact

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IMP & HIRFL Annual Report 2017年第1期 59-60页

作者： Yan Shuncheng Zhang Pengju Shen Lili ma xinwen 不详

We carry out an experimental investigation of Ne dimer fragmentation following a 380 eV electron *** detecting the Ne^(+)-Ne^(+)cation pair and one of the emitted electrons in coincidence,the fingerprint of the interatomic Coulomb Decay(ICD)[1,2]process initiated by the innervalence ionization of Ne is *** is also observed that most of the low-energy electrons resulting from reactions leading to the fragmentation of the neon dimers in two Ne+ions are produced by the ICD[3]*** the collision between an ionizing particle and the molecules comprising biological medium produce intermediate-energy secondary electrons[4],and these electrons further collide with and ionize the molecules in the environment;our results suggest that the ICD evoked by such a secondary electron is an efficient source for low-energy electrons responsible for radiation *** also clarified that the radiative charge transfer(RCT)caused by the double ionization of Ne are the important relaxation mechanisms leading to the dimer fragmentation into Ne^(+)+Ne^(+)in the intermediate-energy electron-impact processes.

关键词： fragmentation Electron relaxation

X-ray Spectra of Highly Ionized Nb, Mo, Cd and Ag　

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IMP & HIRFL Annual Report 1996年第1期 171-172页

作者： Yang Zhihu Liu Huiping Wang YOude and ma xinwen

Ｘ－ｒａｙＳｐｅｃｔｒａｏｆＨｉｇｈｌｙＩｏｎｉｚｅｄＮｂ，Ｍｏ，ＣｄａｎｄＡｇ￥ＹａｎｇＺｈｉｈｕ；ＬｉｕＨｕｉｐｉｎｇ；ＷａｎｇＹＯｕｄｅａｎｄＭａＸｉｎｗｅｎＴｈｅＸ－ｒａｙｓｐｅｃｔｒａｏｆｈｉｇｈｌｙｉｏｎ... 详细信息

Ｘ－ｒａｙＳｐｅｃｔｒａｏｆＨｉｇｈｌｙＩｏｎｉｚｅｄＮｂ，Ｍｏ，ＣｄａｎｄＡｇ￥ＹａｎｇＺｈｉｈｕ；ＬｉｕＨｕｉｐｉｎｇ；ＷａｎｇＹＯｕｄｅａｎｄＭａＸｉｎｗｅｎＴｈｅＸ－ｒａｙｓｐｅｃｔｒａｏｆｈｉｇｈｌｙｉｏｎｉｚｅｄＮｂ，Ｍｏ，ＣｄａｎｄＡｇ...

关键词： Cd and Ag Mo Highly

4- 11 Development of a Virtual Instrument based on LabVIEW for Laser-induced Fluorescence Spectroscopy

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IMP & HIRFL Annual Report 2013年第1期 187-188页

作者： Yang Jie Cheng Xiaowei Zhao Dongmei Zhang Dacheng ma xinwen Supported by the Chinese Academy of Sciences Hundred Talents Program and National Natural Science Foundation of China.