Nuclear Science and Techniques

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH

Investigation of production of medical 82Sr and 68Ge for 82Sr/82Rb and 68Ge/68Ga generators via proton accelerator

How to operate 82Sr/82Rb and 68Ge/68Ga generators used in the positron emission tomography scan process is explained, and the importance of 82Sr and 68Ge radionuclides for these generators is revealed...

Ozan Artun

2018, 29 (10): 137

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH

Real-time label-free analysis of the thermostability of DNA structures using GelRed

In biological systems, conformational transformations of nucleic acids play critical roles in genetic regulation. However, it remains a tricky task to design and optimize specific labeling strategies ...

Ya-Ya Hao, Lei Liu, Lu-Hao Zhang, Qiu-Ling Huang, Fei Wang, Jiang Li, Jia-Qiang Xu, Li-Hua Wang

2018, 29 (10): 138

NUCLEAR CHEMISTRY,RADIOCHEMISTRY,RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE

Effects of high-energy proton irradiation on separate absorption and multiplication GaN avalanche photodiode

The effect of high-energy proton irradiation on GaN-based ultraviolet avalanche photodiodes (APDs) is investigated. The dark current of the GaN APD is calculated as a function of the proton energy and...

Gui-Peng Liu, Xin Wang, Meng-Nan Li, Zheng-Peng Pang, Yong-Hui Tian, Jian-Hong Yang

2018, 29 (10): 139

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Preparation and verification of mixed high-energy neutron cross section library for ADS

An accelerator-driven subcritical system (ADS) is driven by an external spallation neutron source, which is generated from a heavy metal spallation target to maintain stable operation of the subcritic...

Ze-Long Zhao, Yong-Wei Yang, Hai-Yan Meng, Qing-Yu Gao, Yu-Cui Gao

2018, 29 (10): 140

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Numerical study of the dynamic characteristics of a single-layer graphite core in a thorium molten salt reactor

A reactor core in a thorium molten salt reactor uses graphite as a moderator and reflector. The graphite core is a multi-layered arrangement of graphite bricks that are loosely connected to each other...

Yang Zhong, Xiong Yang, Dong Ding, Yang Zou, D.K.L. Tsang

2018, 29 (10): 141

LOW ENERGY ACCELERATOR, RAY AND APPLICATIONS

RF tuning and beam commissioning of CW RFQ for China-ADS Injector-I

A 325-MHz continuous-wave (CW) four-vane radiofrequency quadrupole (RFQ) is employed in Injector-I of the China Accelerator-Driven Subcritical System. The radiofrequency tuning and beam commissioning ...

Hua Shi, Hua-Fu Ouyang, Sheng-Chang Wang, Ning-Chuang Zhou, Gang Wu

2018, 29 (10): 142

SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS

Generating femtosecond coherent X-ray pulses in a diffractionlimited storage ring with the echo-enabled harmonic generation scheme

To study ultrafast processes at the sub-picosecond level, novel methods based on coherent harmonic generation technologies have been proposed to generate ultrashort radiation pulses in existing ring-b...

Wei-Hang Liu, Guan-Qun Zhou, Yi Jiao

2018, 29 (10): 143

NUCLEAR ENERGY SCIENCE AND ENGINEERING

Measurement of mass attenuation coefficients, effective atomic numbers, and electron densities for different parts of medicinal aromatic plants in low-energy region

The mass attenuation coefficients (l/q) for different parts (root, flower, stem, and leaf) of three medicinal aromatic plants (Teucrium chamaedrys L. subsp. sinuatum, Rheum ribes, and Chrysophthalmum ...

M.I. Sayyed, F. Akman, I.H. Ge?ibesler, H.O. Tekin

2018, 29 (10): 144

NUCLEAR ELECTRONICS AND INSTRUMENTATION

Preliminary results of a Compton camera based on a single 3D position sensitive CZT detector

A Compton camera prototype has been developed using a pixelated CZT detector with 4-by-4 pixels. Signals of the detector are read out by a VASTAT ASIC that is controlled by a self-developed DAQ board....

Yi-Lin Liu, Jian-Qiang Fu, Yu-Lan Li, Yuan-Jing Li, Xu-Ming Ma, Lan Zhang

2018, 29 (10): 145

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH

Product yields for the Photofission of 232Th, 234,238U, 237Np and 239,240,242Pu actinides at various incident photon energies

Photofission fragments mass yield for 232Th, 234,238 U, 237Np, and 239,240,242 Pu isotopes are investigated. The calculations are done using a developed approach based on Gorodisskiy’s phenomeno...

M. R. Pahlavani, P. Mehdipour

2018, 29 (10): 146

LOW ENERGY ACCELERATOR, RAY AND APPLICATIONS

Evaluation of radiation environment in the target area of fragment separator HFRS at HIAF

In this work, the radiation environment in the target area of a fragment separator is evaluated using FLUKA code. The energy deposition in quadrupole coils is presented to provide guidance for a radia...

Yao Yang, You-Wu Su, Wu-Yuan Li, Jun-Kui Xu, Chong Xu, Wei-Wei Yan, Wang Mao

2018, 29 (10): 147

SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS

Performance of beam size monitor based on Kirkpatrick–Baez mirror at SSRF

High-energy photon source (HEPS) is a 6 GeV ultralow emittance storage ring light source to be built in Beijing, China. Both the horizontal and vertical beam sizes of the HEPS storage ring are below 1...

De-Chong Zhu, Jun-Hui Yue, Yan-Feng Sui, Da-Heng Ji, Jian-She Cao, Kai-Rong Ye, Shun-Qiang Tian, Jie Chen, Yong-Bin Leng

2018, 29 (10): 148

NUCLEAR ELECTRONICS AND INSTRUMENTATION

Radiation dose detection using a high-power portable optically stimulated luminescence real-time reading system

Optically stimulated luminescence (OSL) reading systems are becoming smaller and capable of real-time detection. To improve real-time and multipurpose radiation dosimetry readings, we built a real-tim...

Yi-Hang Wang, Hua Chen, Fei Chen, Yong-Gang Yuan, Tai-Ping Peng

2018, 29 (10): 149

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH

Activation cross sections for reactions induced by 14 MeV neutrons on natural copper

cross sections for the 63Cu(n,α)60(m+g)Co,65Cu(n,2n)64Cu, and 65Cu(n,p)65Ni reactions have been studied in the neutron energy range of 13.5–14.8 MeV using the activation technique. The neu...

Jing-Jie Ma, Feng-Qun Zhou, Xiao-Jun Sun, Xiao-Peng Zhang, Shu-Qing Yuan

2018, 29 (10): 150

NUCLEAR CHEMISTRY,RADIOCHEMISTRY,RADIOPHARMACEUTICALS AND NUCLEAR MEDICINE

Evaluation of correlation between PM2.5 and radon-progeny equilibrium factor in radon chamber

The dosage of environmental radon progeny is typically estimated according to the environmental radon exposure and the recommended radon-progeny equilibrium factor, F. To investigate the relationship ...

Li-Fan Li, Rui Chen, Shu-Min Zhou, Bin Tang

2018, 29 (10): 151

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