COSMIC-RAY

作品数：42被引量：40H指数：4
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Mesoscale soil moisture survey by mobile cosmic-ray neutron sensor across various landscapes in the Heihe River Basin
《Research in Cold and Arid Regions》2023年第5期211-218,共8页ShaoXiong Wu YongYong Zhang WenRong Kang WenZhi Zhao 
supported by the National Natural Science Foundation of China(Nos.42071044,42230720);the Strategic Priority Research Program of the Chinese Academy of Sciences(CAS)(No.XDA23060304);the Youth Innovation Promotion Association CAS(No.2020420).
The cosmic-ray neutron technology is a novel method for upscaling soil moisture,holding significant importance in drought monitoring,soil water storage estimation,calibration of remote sensing products,and data assimi...
关键词：Soil water content Neutron intensity FOOTPRINT Multi-landscapes Northwest China 
Measurement of the ^(252)Cf Neutron Spectrum and the Cosmic-ray Neutron Spectrum
《IMP & HIRFL Annual Report》2022年第1期213-214,共2页Wen Zhiwen Luo Peng Xu Junkui Song Shiyu 
The extended-range multi-sphere neutron spectrometer(EBSS)was used to measure the ^(252)Cf neutron spectrum and the cosmic-ray neutron spectrum.It consists of seven polyethylene-only spheres and seven extended-range s...
关键词：SPECTRUM SPHERES SHELLS 
Detection of spectral hardenings in cosmic-ray boron-to-carbon and boron-to-oxygen flux ratios with DAMPE被引量：5
《Science Bulletin》2022年第21期2162-2166,共5页无 
funded by the Strategic Priority Science and Technology Projects in Space Science of Chinese Academy of Sciences(CAS);supported by the National Natural Science Foundation of China(11921003,11903084,12003076,12022503,12103094,and 12220101003);the Strategic Priority Science and Technology Projects of CAS(XDA15051100);the CAS Project for Young Scientists in Basic Research(YSBR-061);the Youth Innovation Promotion Association of CAS;the Natural Science Foundation of Jiangsu Province(BK20201107);the Program for Innovative Talents and Entrepreneur in Jiangsu;supported by the Swiss National Science Foundation(SNSF),Switzerland;the National Institute for Nuclear Physics(INFN),Italy;the European Research Council(ERC)under the European Unions Horizon 2020 research and innovation programme(851103)。
Boron nuclei in cosmic rays(CRs)are believed to be mainly produced by the fragmentation of heavier nuclei,such as carbon and oxygen,via collisions with the interstellar matter.Therefore,the boron-tocarbon flux ratio(B...
关键词：DAMPE Commic-ray CR propagation B/C ratio B/O ratio 
Geminga contribution to the cosmic-ray positron excess according to the gamma-ray observations
《Communications in Theoretical Physics》2022年第10期89-95,共7页Guang-Yao Zhou Zhao-Huan Yu Qiang Yuan Hong-Hao Zhang 
supported in part by the National Natural Science Foundation of China under Grants No. 11875327 and No. 11805288;the Fundamental Research Funds for the Central Universities;the Sun YatSen University Science Foundation;supported by the Program for Innovative Talents and Entrepreneur in Jiangsu。
We attempt to interpret the cosmic-ray positron excess by injection from the nearby pulsar Geminga,assuming a two-zone diffusion scenario and an injection spectrum with a low energy cutoff.Since the high energy positr...
关键词：pulsar cosmic rays gamma rays 
Cosmic-ray helium nuclei measurement with the calorimeter of the Alpha Magnetic Spectrometer
《Radiation Detection Technology and Methods》2022年第3期427-432,共6页Feng-ze Zhang Zhi-Cheng Tang Zu-Hao Li Cheng Zhang Ze-Tong Sun Jia-Yu Hu Shang-Lin Li Guo-Ming Chen He-Sheng Chen 
funding was provided by China Sponsorship Council(Grant Number:202004910534).
Purpose The distributions of energy responses of helium measured by the electromagnetic calorimeter(ECAL)of Alpha Magnetic Spectrometer(AMS-02)in Monte-Carlo do not agree with those in real data,thus using energy resp...
关键词：Cosmic rays Helium spectrum Electromagnetic calorimeter Monte Carlo simulation Fig.1 a The structure of ECAL b The indication of PMTs in one superlayer 
Measurement of muon-induced neutron yield at the China Jinping Underground Laboratory
《Chinese Physics C》2022年第8期211-219,共9页Lin Zhao Wentai Luo Lars Bathe-Peters Shaomin Chen Mourad Chouaki Wei Dou Lei Guo Ziyi Guo Ghulam Hussain Jinjing Li Ye Liang Qian Liu Guang Luo Ming Qi Wenhui Shao Jian Tang Linyan Wan Zhe Wang Yiyang Wu Benda Xu Tong Xu Weiran Xu Yuzi Yang Minfang Yeh Aiqiang Zhang Bin Zhang JNE collaboration 
Supported in part by the National Natural Science Foundation of China (11620101004,11475093,12127808);the Key Laboratory of Particle&Radiation Imaging(Tsinghua University);the CAS Center for Excellence in Particle Physics (CCEPP);Guangdong Basic and Applied Basic Research Foundation(2019A1515012216);Portion of this work performed at Brookhaven National Laboratory is supported in part by the United States Department of Energy (DESC0012704)。
Solar,terrestrial,and supernova neutrino experiments are subject to muon-induced radioactive background.The China Jinping Underground Laboratory(CJPL),with its unique advantage of a 2400 m rock coverage and long dista...
关键词：Underground laboratory neutrino detector cosmic-ray muon neutron yield liquid scintillator 
Constraints on cosmic-ray boosted dark matter in CDEX-10
《Chinese Physics C》2022年第8期244-254,共11页Zhan-Hong Lei Jian Tang Bing-Long Zhang 
Supported in part by Guangdong Basic and Applied Basic Research Foundation (2019A1515012216);National Undergraduate Innovation and Entrepreneurship Training Program (20201023);the CAS Center for Excellence in Particle Physics (CCEPP)。
Dark matter(DM)direct detection experiments have been setting strong limits on the DM-nucleon scattering cross section at the DM mass above a few GeV,but leave large parameter spaces unexplored in the low mass region....
关键词：dark matter neutrino floor cosmic ray 
Chapter 4 Cosmic-Ray Physics被引量：1
《Chinese Physics C》2022年第3期85-125,共41页Benedetto D’Ettorre Piazzoli Si-Ming Liu Domenico della Volpe Zhen Cao Andrea Chiavassa Benedetto D’Ettorre Piazzoli Yi-Qing Guo Leonid T.Ksenofontov Olivier Martineau-Huynh Diane Martraire Ling-Ling Ma Xin-Hua Ma Yuri Stenkin Qiang Yuan Hou-Dun Zeng Shou-Shan Zhang Yi Zhang Hui Zhu 
Supported by the National Key R&D Program of China(2018YFA0404203);the International Scholarship Program of the MOST of China(G2021166002L);National Natural Science Foundation of China(NSFC)(12147208,U2031103,U1931204);the Science and Technology Department of Sichuan Province(2021YFSY0031)。
In the first part of this Chapter the present state of knowledge from the observations of cosmic rays between 10^(13) and 10^(20) eV is summarized.This is not intended to be a complete review,but rather a broad overvi...
关键词：airshower astroparticle physics cosmic rays particle acceleration and transport Multi-messengers 
Method of Separating Cosmic-Ray Positrons from Electrons in the DAMPE Experiment
《Research in Astronomy and Astrophysics》2022年第3期115-121,共7页Hao-Ting Dai Jing-Jing Zang Ying Wang Chuan-Ning Luo Yun-Long Zhang Zhi-Yong Zhang Yi-Feng Wei Li-Bo Wu Cheng-Ming Liu Cong Zhao Xiao-Lian Wang Zi-Zong Xu Guang-Shun Huang 
supported by the Outstanding Youth Science Foundation of NSFC(Grant No.12022503);the Joint Funds of the National Natural Science Foundation of China(Grant Nos.U1738208,U1738139,U1738135 and U1738207);the National Natural Science Foundation of China(Grant Nos.11673021,11705197,11773085 and 11851302);the National Key Research and Development Program of China(Grant No.2016YFA0400200);Youth Innovation Promotion Association CAS(Grant No.2021450)。
A method of identifying positron/electron species from the cosmic rays was studied in the DArk Matter Particle Explorer(DAMPE)experiment.As there is no onboard magnet on the satellite,the different features imposed by...
关键词：(ISM:)cosmic rays magnetic fields (cosmology:)dark matter 
A novel 4D resolution imaging method for low and medium atomic number objects at the centimeter scale by coincidence detection technique of cosmic-ray muon and its secondary particles被引量：9
《Nuclear Science and Techniques》2022年第1期13-23,共11页Xuan-Tao Ji Si-Yuan Luo Yu-He Huang Kun Zhu Jin Zhu Xiao-Yu Peng Min Xiao Xiao-Dong Wang 
supported by the Ministry of Science and Technology of China Foundation(No.2020YFE0202001);the National Natural Science Foundation of China(No.11875163);the Natural Science Foundation of Hunan Province(No.2021JJ20006).
The muon radiography imaging technique for high-atomic-number objects(Z)and large-volume objects via muon transmission imaging and muon multiple scattering imaging remains a popular topic in the field of radiation det...
关键词：Image reconstruction Monte Carlo simulation Non-destructive detection 
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