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Nano research 2023年第4期16卷 4603-4611页

作者： Jianpo chen Jianping Zheng Weidong he haikuan Liang yan Li hao Cui chengxin wang School of materials Science and Engineering The Key Laboratory of Low-Carbon Chemistry&Energy Conservation of Guangdong ProvinceSun Yatsen UniversityGuangzhou 510275China

the sufficient utilization of mott-Sch.t.ky effect for boosting alkaline hydrogen evolution reaction(hEr)depends upon scale minimizing of interface components and exposure maximizing of mott-Sch.t.ky ***,a self-standing porous tubular mott-Sch.t.ky electrocatalyst is constructed by a self-template etching strategy,where amorphous WO_(x)(a-WO_(x))nano-matrix connects Co *** novel“Janus”electrocatalyst maximizes the mott-Sch.t.ky effect by not only providing a highly exposed micro interface,but also simultaneously accelerating the water dissociation and optimizing the hydrogen desorption *** findings and theoretical calculations reveal th.t.Co/a-WO_(x)mott-Sch.t.ky h.t.rointerface triggers the electron redistribution and a build-in electric field,which can not only optimize the adsorption energy of the reaction intermediates,but also facilitate the charge ***,Co/a-WO_(x.r.quires an overpotential of only 36.3 mV at 10 mA·cm^(−2)and shows a small tafel slope of 53.9 mV·dec^(−1)as well as an excellent 200-h long-term *** work provides a novel design strategy for maximizing the mott-Sch.t.ky effect on promoting alkaline hEr.

关键词： mott-Sch.t.ky effect electrocatalyst self-template etching hydrogen evolution reaction(hEr) electron redistribution

A study of liquid argon detector’s n/discrimination capability with Pmt or SiPm readout

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radiation Detection technology and methods 2024年第2期8卷 1246-1253页

作者： Y.D.chen Y.Lei L.wang m.Y.Guan t.A.wang C.Guo J.C.Liu C.G.yang x.h.Liang School of Electronic Electrical Engineering and PhysicsFujian University of TechnologyFuzhouChina Experimental Physics Division Institute of High Energy PhysicsChinese Academy of SciencesBeijingChina School of Physics University of Chinese Academy of SciencesBeijingChina State Key Laboratory of Particle Detection and Electronics BeijingChina State Key Laboratory of high Power Semiconductor Laser College of PhysicsChangchun University of Science and TechnologyChangchunJilinChina Astro-particle Physics Division Institute of High Energy PhysicsChinese Academy of ScienceBeijingChina

Background Liquid Argon(LAr)is used as a target material in several current and planned experiments related to dark matter direct searching and neutrino *** provides excellent pulse shape discrimination(PSD)capability,which could separate the electron recoil backgrounds from the expected nuclear recoil *** the next-generation ph.t.sensors,silicon ph.t.n multiplier(SiPm)is expected to replace traditional ph.t.n multiplier *** the purpose of this paper is to compare the PSD capability of a LAr detector between using SiPms as ph.t.sensors and using Pmts as *** the PSD capability of a LAr detector is determined through.t.e prompt fraction method,which relies on the analysis of output *** pulses are generated using monte Carlo simulation,incorporating real single ph.t.electron pulses obtained from a Pmt or a *** three kinds of SiPms and one kind of Pmt have been used to compare the PSD capability of a LAr *** use of J-60035 SiPm results in a better PSD capability compared to the use of Pmt as a ph.t.sensor,while using the other two kinds of SiPm deteriorates the PSD *** SiPm is a promising ph.t.sensor candidate for a LAr *** better energy resolution could help to improve its PSD capability,while the higher probabilities of cross-talk and after-pulse degrade its PSD ***,after-pulse has a more significant impact compared to cross-talk because after-pulse influences the energy distribution within the time window,while cross-talk primarily affects the energy resolution of the detector.

关键词： Liquid argon SiPm Pmt f90 PSD

future Physics Programme of BESⅢ

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Chinese Physics C 2020年第4期44卷 I0001-I0004,1-102页

作者： m.Ablikim m.N.Achasov P.Adlarson S.Ahmed m.Albrecht m.Alekseev A.Amoroso f.f.An Q.An Y.Bai O.Bakina r.Baldini ferroli Y.Ban K.Begzsuren J.V.Bennett N.Berger m.Bertani D.Bettoni f.Bianchi J Biernat J.Bloms I.Boyko r.A.Briere L.Calibbi h.Cai x.Cai A.Calcaterra G.f.Cao N.Cao S.A.Cetin J.Chai J.f.Chang W.L.Chang J.Charles G.Chelkov chen G.chen h.S.chen J.C.chen m.L.chen S.J.chen Y.B.chen h.Y.cheng W.cheng G.Cibinetto f.Cossio x.f.Cui h.L.Dai J.P.Dai x.C.Dai A.Dbeyssi D.Dedovich Z.Y.Deng A.Denig Denysenko m.Destefanis S.Descotes-Genon f.De mori Y.Ding C.Dong J.Dong L.Y.Dong m.Y.Dong Z.L.Dou S.x.Du S.I.Eidelman J.Z.fan J.fang S.S.fang Y.fang r.farinelli L.fava f.feldbauer G.felici C.Q.feng m.f.itsch C.D.fu Y.fu Q.Gao x.L.Gao Y.Gao Y.Gao Y.G.Gao Z.Gao B.Garillon I.Garzia E.m.Gersabeck A.Gilman K.Goetzen L.Gong W.x.Gong W.Gradl m.Greco L.m.Gu m.h.Gu Y.t.Gu A.Q.Guo f.K.Guo L.B.Guo r.P.Guo Y.P.Guo A.Guskov S.han x.Q.hao f.A.harris K.L.he f.h.heinsius t.held Y.K.heng Y.r.hou Z.L.hou h.m.hu J.f.hu t.hu Y.hu G.S.huang J.S.huang x.t.huang x.Z.huang Z.L.huang N.huesken t.hussain W.Ikegami Andersson W.Imoehl m.Irshad Q.Ji Q.P.Ji x.B.Ji x.L.Ji h.L.Jiang x.S.Jiang x.Y.Jiang J.B.Jiao Z.Jiao D.P.Jin S.Jin Y.Jin t.Johansson N.Kalantar-Nayestanaki x.S.Kang r.Kappert m.Kavatsyuk B.C.Ke I.K.Keshk t.Khan A.Khoukaz P.Kiese r.Kiuchi r.Kliemt L.Koch O.B.Kolcu B.Kopf m.Kuemmel m.Kuessner A.Kupsc m.Kurth m.G.Kurth W.Kuhn J.S.Lange P.Larin L.Lavezzi h.Leithoff t.Lenz C.Li cheng Li D.m.Li f.Li f.Y.Li G.Li h.B.Li h.J.Li J.C.Li J.W.Li Ke Li L.K.Li Lei Li P.L.Li P.r.Li Q.Y.Li W.D.Li W.G.Li x.h.Li x.L.Li x.N.Li x.Q.Li Z.B.Li h.Liang h.Liang Y.f.Liang Y.t.Liang G.r.Liao L.Z.Liao J.Libby C.x.Lin D.x.Lin Y.J.Lin B.Liu B.J.Liu C.x.Liu D.Liu D.Y.Liu f.h.Liu fang Liu feng Liu h.B.Liu h.m.Liu huanhuan Liu huihui Liu J.B.Liu J.Y.Liu K.Y.Liu Ke Liu Q.Liu S.B.Liu t.Liu x.Liu x.Y.Liu Y.B.Liu Z.A.Liu Zhiqing Liu Y.f.Long x.C.Lou h.J.Lu J.D.Lu J.G.Lu Y.Lu Y.P.Lu C.L.Luo m.x.Luo P.W.Luo t.Luo x.L.Luo S.Lusso x.r.Lyu f.C.ma h.L.ma L.L.ma m.m.ma Q.m.ma x.N.ma x.x. Institute of high Energy Physics Beijing 100049China Beihang University Beijing 100191China Beijing Institute of Petrochemical technology Beijing 102617China Bochum ruhr-University D-44780 BochumGermany Carnegie mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China China Center of Advanced Science and technology Beijing 100190China COmSAtS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan fudan University Shanghai 200443China G.I.Budker Institute of Nuclear Physics SB rAS(BINP) Novosibirsk 630090Russia GSI helmholtzcentre for heavy Ion research Gmbh D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China hangzhou Normal University Hangzhou 310036China helmholtz Institute mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany henan Normal University Xinxiang 453007China henan University of Science and technology Luoyang 471003China huangshan College Huangshan 245000China hunan Normal University Changsha 410081China hunan University Changsha 410082China Indian Institute of technology madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INfN Laboratori Nazionali di frascati I-00044FrascatiItaly INfN Sezione di ferrara I-44122FerraraItaly Institute of Physics and technology Peace Ave.54BUlaanbaatar 13330Mongolia Johannes Gutenberg University of mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Joint Institute for Nuclear research 141980 DubnaMoscow regionRussia Justus-Liebig-Universitaet Giessen II.Physikalisches InstitutHeinrich-Buff-Ring 16D-35392 GiessenGermany KVI-CArt University of GroningenNL-9747 AA GroningenThe Netherlands Lanzhou University Lanzhou 730000China Liaoning University Shenyang 110036China Nanjing Normal University Nanjing 210023China Nanjing University Nanjing 210093China Nankai University Tianjin 300071China Peking University Beijing 100871China Shandong University Jinan 250100China Shanghai

there has recently been a dramatic renewal of interest in hadron spectroscopy and charm physics. this renaissance has been driven in part by the discovery of a plethora of charmonium-like xYZ states at BESⅢ and B factories, and the observation of an intriguing proton-antiproton threshold enhancement and the possibly related x(1835) meson state at BESⅢ, as well as the threshold measurements of charm mesons and charm baryons. We present a detailed survey of the important topics in tau-charm physics and hadron physics th.t.can be further explored at BESⅢ during the remaining operation period of BEPCⅡ. this survey will help in the optimization of the data-taking plan over the coming years, and provides physics motivation for the possible upgrade of BEPCⅡ to higher luminosity.

关键词： meson hadron optimization

Advances in Cadaverine Bacterial Production and Its Applications

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Engineering 2017年第3期3卷 308-317页

作者： Weichao ma Kequan chen yan Li Ning hao xin wang Pingkai Ouyang State Key Laboratory of materials-Oriented Chemical Engineering Nanjing Tech University Nanjing 211816 China College of Biotechnology and Pharmaceutical Engineering Nanjing Tech University Nanjing 211816 China College of Bioengineering and Biotechnology Tianshui Normal University Tianshui 741001 China

Cadaverine. a natural polyamine with multiple bioactivities th.t.is widely distributed in prokaryotes and eukaryotes, is becoming an important industrial chemical. Cadaverine exhibits broad prospects for various applications, especially as an important monomer for bio-based polyamides. Cadaverine-based polyamide PA 5x has broad application prospects owing to its environmentally friendly characteristics and exceptional performance in water absorption and dimensional stability. In this review, we summarize recent findings on the biosynthesis, metabolism, and physiological function of cadaverine in bacteria, with a focus on the regu- latory mechanism of cadaverine synthesis in Escherichia coil （E. coli）. We also describe recent developments in bacterial production of cadaverine by direct fermentation and whole-cell bioconversion, and recent approaches for the separation and purification of cadaverine. In addition, we present an overview of the ap- plication of cadaverine in the synthesis of completely bio-based polyamides. finally. we provide an outlook and suggest future developments to advance the production of cadaverine from renewable resources.

关键词： Cadaverine metabolism Bacterial production Bio-polyamide PA 5x

flexible memristors as electronic synapses for neuro- inspired computation based on scotch.t.pe-exfoliated mica substrates

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Nano research 2018年第3期11卷 1183-1192页

作者： xiaobing yan Zhenyu Zhou Jianhui Zhao Qi Liu hong wang Guoliang Yuan Jingsheng chen College of Electron and Information Engineering Key Laboratory of Digital Medical Engineering of Hebei Province Key Laboratory of Optoelectronic Information Materials of Hebei Province Hebei University Baoding 071002 China Key Laboratory of microelectronic Devices & Integrated technology Institute of Microelectronics Chinese Academy of Sciences Beijing 100029 China School of materials Science and Engineering Nanjing University of Science and Technology Nanjing 210094 China Department of materials Science and Engineering National University of Singapore Singapore 117576 Singapore

flexible memristor devices based on plastic substrates have attracted considerable attention due to their applications in wearable computers and integrated circuits. however, most plastic-substrate memristors cannot function or be grown in high.t.mperature environments. In this study, scotch.t.pe-exfoliated mica was used as the flexible memristor substrate in order to resolve these high.t.mperature issues. Our tiN/ZhO/IGZO memristor, which was constructed using a thin （10 μm） mica substrate, has superior flexibility and thermostability. After bending it 103 times, the device continues to exhibit exceptional electrical characteristics. It can also be implemented for transitions between high and low resistance states, even in temperatures of up to 300 ℃. more importantly, the biological synaptic characteristics of paired-pulse facilitation/depression （PPf/PPD） and spike- timing-dependent plasticity （StDP） were observed through applying different pulse measurement modes. this work demonstrates th.t.flexible memristor devices on mica substrates may potentially allow for the realization of high.t.mperature memristor applications for biologically-inspired computing systems.

关键词： mica flexible memristor synapse

Amplitude analysis of the decays D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)

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Chinese Physics C 2024年第8期48卷 6-33页

作者： m.Ablikim m.N.Achasov P.Adlarson O.Afedulidis x.C.Ai r.Aliberti A.Amoroso Q.An Y.Bai O.Bakina I.Balossino Y.Ban h.-r.Bao V.Batozskaya K.Begzsuren N.Berger m.Berlowski m.Bertani D.Bettoni f.Bianchi E.Bianco A.Bortone I.Boyko r.A.Briere A.Brueggemann h.Cai x.Cai A.Calcaterra G.f.Cao N.Cao S.A.Cetin J.f.Chang W.L.Chang G.r.Che G.Chelkov C.chen C.h.chen Chao chen G.chen h.S.chen m.L.chen S.J.chen S.L.chen S.m.chen t.chen x.r.chen x.t.chen Y.B.chen Y.Q.chen Z.J.chen Z.Y.chen S.K.Choi x.Chu G.Cibinetto f.Cossio J.J.Cui h.L.Dai J.P.Dai A.Dbeyssi r.E.de Boer D.Dedovich C.Q.Deng Z.Y.Deng A.Denig I.Denysenko m.Destefanis f.De mori B.fang S.S.fang W.x.fang Y.fang Y.Q.fang r.farinelli L.fava f.feldbauer G.felici C.Q.feng J.h.feng Y.t.feng K.fischer m.f.itsch C.D.fu J.L.fu Y.W.fu h.Gao Y.N.Gao yang Gao S.Garbolino I.Garzia P.t.Ge Z.W.Ge C.Geng E.m.Gersabeck B.Ding x.x.Ding Y.Ding Y.Ding J.Dong L.Y.Dong m.Y.Dong x.Dong m.C.Du S.x.Du Z.h.Duan P.Egorov Y.h.fan J.fang JA.Gilman K.Goetzen L.Gong W.x.Gong W.Gradl S.Gramigna m.Greco m.h.Gu Y.t.Gu C.Y.Guan Z.L.Guan A.Q.Guo L.B.Guo m.J.Guo r.P.Guo Y.P.Guo A.Guskov J.Gutierrez K.L.han t.t.han x.Q.hao f.A.harris K.K.he K.L.he f.h.heinsius C.h.heinz Y.K.heng C.herold t.holtmann P.C.hong G.Y.hou x.t.hou Y.r.hou Z.L.hou B.Y.hu h.m.hu J.f.hu t.hu Y.hu G.S.huang K.x.huang L.Q.huang x.t.huang Y.P.huang t.hussain f.h\"olzken N.h\"usken N.in der Wiesche m.Irshad J.Jackson S.Janchiv J.h.Jeong Q.Ji Q.P.Ji W.Ji x.B.Ji x.L.Ji Y.Y.Ji x.Q.Jia Z.K.Jia D.Jiang h.B.Jiang P.C.Jiang S.S.Jiang t.J.Jiang x.S.Jiang Y.Jiang J.B.Jiao J.K.Jiao Z.Jiao S.Jin Y.Jin m.Q.Jing x.m.Jing t.Johansson S.Kabana N.Kalantar-Nayestanaki x.L.Kang x.S.Kang m.Kavatsyuk B.C.Ke V.Khach.t.yan A.Khoukaz r.Kiuchi O.B.Kolcu B.Kopf m.Kuessner x.Kui A.Kupsc W.K\"uhn J.J.Lane P.Larin L.Lavezzi t.t.Lei Z.h.Lei h.Leithoff m.Lellmann t.Lenz C.Li C.Li C.h.Li cheng Li D.m.Li f.Li G.Li h.Li h.B.Li h.J.Li h.N.Li hui Li J.r.Li J.S.Li K.Li L.J.Li L.K.Li Lei Li m.h.Li P.r.Li Q.m.Li Q.x.Li r.Li S.x.Li t.Li W.D.Li W.G.Li x.Li x.h.Li x.L.Li x.Y.Li Y Institute of high Energy Physics Chinese Academy of SciencesBeijing 100049China Beihang University Beijing 100191China Bochum ruhr-University D-44780 BochumGermany Budker Institute of Nuclear Physics SB rAS(BINP) Novosibirsk 630090Russia Carnegie mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China Central South University Changsha 410083China China Center of Advanced Science and technology Beijing 100190China China University of Geosciences Wuhan 430074China Chung-Ang University Seoul06974Republic of Korea COmSAtS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan fudan University Shanghai 200433China GSI helmholtzcentre for heavy Ion research Gmbh D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China hangzhou Normal University Hangzhou 310036China hebei University Baoding 071002China helmholtz Institute mainz Staudinger Weg 18D-55099 MainzGermany henan Normal University Xinxiang 453007China henan University Kaifeng 475004China henan University of Science and technology Luoyang 471003China henan University of technology Zhengzhou 450001China huangshan College Huangshan 245000China hunan Normal University Changsha 410081China hunan University Changsha 410082China Indian Institute of technology madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INfN Laboratori Nazionali di frascati INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INfN Laboratori Nazionali di frascati INFN Sezione di PerugiaI-06100PerugiaItaly INfN Laboratori Nazionali di frascati University of PerugiaI-06100PerugiaItaly INfN Sezione di ferrara INFN Sezione di FerraraI-44122FerraraItaly INfN Sezione di ferrara University of FerraraI-44122FerraraItaly Inner mongolia University Hohhot 010021China Institute of modern Physics Lanzhou 730000China Institute of Physics and technology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de A

Using e^(+)e^(−)annihilation data corresponding to an integrated luminosity of 2.93 fb^(−1)taken at the center-of-mass energy√s=3.773 GeV with.t.e BESIII detector,a joint amplitude analysis is performed on the decays D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η).the fit fractions of individual components are obtained,and large interferences among the dominant components of the decays D^(0)→a_(1)(1260)π,D^(0)→π(1300)π,D^(0)→ρ(770)ρ(770),and D^(0)→2(ππ)_(S)are observed in both *** the obtained amplitude model,the CP-even fractions of D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are determined to be(75.2±1.1_(stat).±1.5_(syst.))%and(68.9±1.5_(stat).±2.4_(syst.))%,*** branching fractions of D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are measured to be(0.688±0.010_(stat.)±0.010_(syst.))%and(0.951±0.025_(stat.)±0.021_(syst.))%,*** amplitude analysis provides an important model for the binning strategy in measuring the strong phase parameters of D^(0)→4πwhen used to determine the CKm angleγ(ϕ_(3))via the B^(−)→DK^(−)decay.

关键词： BESIII D^(0)meson decays amplitude analysis CP-even fraction

全局检验与事后检验之间的联系:ANOVA方差分析中f检验结果的一项调查（英文）

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上海精神医学 2018年第1期30卷 60-64页

作者： chen t xu m tu J wang h Niu x Department of mathematics and Statistics University of Toledo Shanghai mental health Center Shanghai Jiao Tong University Medical College Department of Physical medicine and rehabilitation University of Virginia School of Medicine Department of Biostatistics and Computational Biology University of Rochester College of Informatics Huazhong Agriculture University

多组比较在许多生物医学和心理社会学研究中是一种常见的统计检验。当组数为两个以上时,首先对组间的整体差异进行全局检验。如果零假设被拒绝,则接着进行下一步的事后两两组间比较,以确定差异的来源。相反,第一步停止即可声明没有组间... 详细信息

多组比较在许多生物医学和心理社会学研究中是一种常见的统计检验。当组数为两个以上时,首先对组间的整体差异进行全局检验。如果零假设被拒绝,则接着进行下一步的事后两两组间比较,以确定差异的来源。相反,第一步停止即可声明没有组间差异。一个共同认识是如果全局检测结果是显著的,那么至少存在两个组之间是有显著差异的,反之亦然。因此,当全局检测结果显著,但没有事后组间两两比较没有显著差异,人们会感到困惑发生了什么并想知道如何来解释该结果。总之,当全局检测结果不显著时,人们会想知道是否所有的事后检测也都不显著?同样,全局检测结果不显著而停止事后检测是否会导致发现组差差异的丢失?在这篇报告中,我们研究了这个令人费解的现象,并且讨论了如何解释这样的结果。

关键词：全局检测事后检验 f检验图基(tukey)检验

Search for electron-antineutrinos associated with gravitational-wave events GW150914,GW151012,GW151226,GW170104,GW170608,GW170814,and GW170817 at Daya Bay

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Chinese Physics C 2021年第5期45卷 190-201页

作者： f.P.An A.B.Balantekin h.r.Band m.Bishai S.Blyth G.f.Cao J.Cao J.f.Chang Y.Chang h.S.chen S.m.chen Y.chen Y.x.chen J.cheng Z.K.cheng J.J.Cherwinka m.C.Chu J.P.Cummings O.Dalager f.S.Deng Y.Y.Ding m.V.Diwan t.Dohnal J.Dove m.Dvorak D.A.Dwyer J.P.Gallo m.Gonchar G.h.Gong h.Gong W.Q.Gu J.Y.Guo L.Guo x.h.Guo Y.h.Guo Z.Guo r.W.hackenburg S.hans m.he K.m.heeger Y.K.heng A.higuera Y.K.hor Y.B.hsiung B.Z.hu J.r.hu t.hu Z.J.hu h.x.huang x.t.huang Y.B.huang P.huber D.E.Jaffe K.L.Jen x.L.Ji x.P.Ji r.A.Johnson D.Jones L.Kang S.h.Kettell S.Kohn m.Kramer t.J.Langford J.Lee J.h.C.Lee r.t.Lei r.Leitner J.K.C.Leung f.Li J.J.Li Q.J.Li S.Li S.C.Li W.D.Li x.N.Li x.Q.Li Y.f.Li Z.B.Li h.Liang C.J.Lin G.L.Lin S.Lin J.J.Ling J.m.Link L.Littenberg B.r.Littlejohn J.C.Liu J.L.Liu C.Lu h.Q.Lu J.S.Lu K.B.Luk x.B.ma x.Y.ma Y.Q.ma C.marshall D.A.martinez Caicedo K.t.meDonald r.D.mcKeown Y.meng J.Napolitano D.Naumov E.Naumova J.P.Ochoa-ricoux A.OIshevskiy h.-r.Pan J.Park S.Patton J.C.Peng C.S.J.Pun f.Z.Qi m.Qi x.Qian N.raper J.ren C.morales reveco r.rosero B.roskovec x.C.ruan h.Steiner J.L.Sun t.tmej K.treskov W.-h.t.e C.E.tull B.Viren V.Vorobel C.h.wang J.wang m.wang N.Y.wang r.G.wang W.wang W.wang x.wang Y.wang Y.f.wang Z.wang Z.wang Z.m.wang h.Y.Wei L.h.Wei L.J.Wen K.Whisnant C.G.Wh.t. h.L.h.Wong E.Worcester D.r.Wu f.L.Wu Q.Wu W.J.Wu D.m.xia Z.Q.xie Z.Z.xing J.L.xu t.xu t.xue C.G.yang L.yang Y.Z.yang h.f.Yao m.Ye m.Yeh B.L.Young h.Z.Yu Z.Y.Yu B.B.Yue S.Zeng Y.Zeng L.Zhan C.Zhang f.Y.Zhang h.h.Zhang J.W.Zhang Q.m.Zhang x.t.Zhang Y.m.Zhang Y.x.Zhang Y.Y.Zhang Z.J.Zhang Z.P.Zhang Z.Y.Zhang J.Zhao L.Zhou h.L.Zhuang J.h.Zou Instiute of modern Physics East China University of Science and TechnologyShanghai 200237 University of Wisconsin MadisonWisconsin 53706 Wright Laboratory and Department of Physics Yale UniversityNew HavenConnecticut 06520 Brookhaven National Laboratory UptonNew York 11973 Department of Physics National Taiwan UniversityTaipei Institute of high Energy Physics Beijing 100049 National United University Miao-Li Department of Engineering Physics Tsinghua UniversityBejing 100084 Shenzhen University Shenzhen 518060 Sun Yat-Sen(Zhongshan)University Guangzhou North China Electric Power University Bejjing 102206 Chinese University of hong Kong Hong Kong 999077 Siena College LoudonvilleNew York 12211 Department of Physics and Astronomy University of CaliforniaIrvineCaliformia 92697 University of Science and technology of China Hefei 230026 Charles University Faculty of Mathematics and PhysicsPrague Department of Physics University of llinois at Urbana-ChampaignUrbanaIlinois 61801 Lawrence Berkeley National Laboratory BerkeleyCalifornia 94720 Department of Physics Illinois Institute of TechnologyChicagoIllinois 60616 Joint Institute for Nuclear research DubnaMoscow Region Beijing Normal University Beijing 100875 Department of Nuclear Science and technology School of Energy and Power EngineeringXi'an Jiaotong UniversityXi'an 710049 Department of Physics University of HoustonHoustonTexas 77204 China Institute of Atomic Energy Beijing 102413 Shandong University Jinan 250100 Guangxi University Nanning 530004 Center for Neutrino Physics Virginia TechBlacksburgVirginia 24061 Institute of Physics National Chiao-Tung UniversityHsinchu Department of Physics University of CincinnatiCincinnatiOhio 45221 Department of Physies Collge of Science and TechnologyTemple UniversityPhiladelphiaPennsylvania 19122 Dongguan University of technology Dongguan 523808 Department of Physics University of CaliforniaBerkeleyCalifornia 94720 Department of Physics The University of Hong KongPokfulamHong Kong 999077 School

the establishment of a possible connection between neutrino emission and gravitational-wave(GW)bursts is important to our understanding of the physical processes th.t.occur when black holes or neutron stars *** the Daya Bay experiment,using the data collected from December 2011 to August 2017,a search was per-formed for electron-antineutrino signals th.t.coincided with detected GW events,including GW150914,GW151012,GW151226,GW170104,GW170608,GW 170814,and GW *** used three time windows of±10,±500,and±1000 s relative to the occurrence of the GW events and a neutrino energy range of 1.8 to 100 meV to search for correlated neutrino *** detected electron-antineutrino candidates were consistent with.t.e expected background rates for all the three time *** monochromatic spectra,we found upper limits(90%confidence level)of the electron-antineutrino fluence of(1.13-2.44)×10^(11)cm^(-2)at 5 meV to 8.0×10^(7)cm^(-2)at 100 meV for the three time w *** the assumption of a fermi-Dirac spectrum,the upper limits were found to be(5.4-7.0)×10^(9)cm^(2)for the three time windows.

关键词： grav itational waves electron-antineutrinos fluence upper limit

Line-of-shower trigger method to lower energy threshold for GrB detection using LhAASO-WCDA

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radiation Detection technology and methods 2021年第4期5卷 531-541页

作者： f.Aharonian Q.An Axikegu L.x.Bai Y.x.Bai Y.W.Bao D.Bastieri x.J.Bi Y.J.Bi h.Cai J.t.Cai Z.Cao Z.Cao J.Chang J.f.Chang x.C.Chan B.m.chen J.chen L.chen L.chen L.chen m.J.chen m.L.chen Q.h.chen S.h.chen S.Z.chen t.L.chen x.L.chen Y.chen N.chen Y.D.chen S.W.Cui x.h.Cui Y.D.Cui B.Z.Dai h.L.Dai Z.G.Dai Danzengluobu D.della Volpe B.D’Ettorre Piazzoli x.J.Don J.h.fan Y.Z.fan Z.x.fan J.fang K.fan C.f.feng L.feng S.h.fen Y.L.feng B.Gao C.D.Gao Q.Gao W.Gao m.m.Ge L.S.Gen G.h.Gong Q.B.Gou m.h.Gu J.G.Guo x.L.Guo Y.Q.Guo Y.Y.Guo Y.A.han h.h.he h.N.he J.C.he S.L.he x.B.he Y.he m.heller Y.K.hor C.hou x.hou h.B.hu S.hu S.C.hu x.J.hu D.h.huang Q.L.huan W.h.huang x.t.huang Z.C.huang f.Ji x.L.Ji h.Y.Jia K.Jiang Z.J.Jiang C.Jin D.Kuleshov K.Levochkin B.B.Li C.Li C.Li f.Li h.B.Li h.C.Li h.Y.Li J.Li K.Li W.L.Li x.Li x.Li x.r.Li Y.Li Y.Z.Li Z.Li Z.Li E.W.Liang Y.f.Liang S.J.Lin B.Liu C.Liu D.Liu h.Liu h.D.Liu J.Liu J.L.Liu J.S.Liu J.Y.Liu m.Y.Liu r.Y.Liu S.m.Liu W.Liu Y.N.Liu Z.x.Liu W.J.Long r.Lu h.K.Lv B.Q.ma L.L.ma x.h.ma J.r.mao A.masood W.mitthumsiri t.montaruli Y.C.Nan B.Y.Pang P.Pattarakijwanich Z.Y.Pei m.Y.Qi D.ruffolo V.rulev A.Sáiz L.Shao O.Shchegolev x.D.Shen J.r.Shi h.C.Song Yu.V.Stenkin V.Stepanov Q.N.Sun x.N.Sun Z.B.Sun P.h.t.tam Z.B.tang W.W.tian B.D.Wan C.wang h.wang h.G.wang J.C.wang J.S.wang L.P.wang L.Y.Wan r.N.wang W.wang W.wang x.G.wang x.J.Wan x.Y.wang Y.D.Wan Y.J.Wan Y.P.wang Z.wang Z.wang Z.h.wang Z.x.wang D.m.Wei J.J.Wei Y.J.Wei t.Wen C.Y.Wu h.r.Wu S.Wu W.x.Wu x.f.Wu S.Q.xi J.xia J.J.xia G.m.xiang G.xiao h.B.xiao G.G.xin Y.L.xin Y.xing D.L.xu r.x.xu L.xue D.h.yan C.W.yang f.f.yang J.Y.yang L.L.yang m.J.yan r.Z.yang S.B.yang Y.h.Yao Z.G.Yao Y.m.Ye L.Q.Yin N.Yin x.h.You Z.Y.You Y.h.Yu Q.Yuan h.D.Zeng t.x.Zeng W.Zeng Z.K.Zeng m.Zha x.x.Zhai B.B.Zhang h.m.Zhang h.Y.Zhang J.L.Zhang J.W.Zhang L.Zhang L.Zhang L.x.Zhang P.f.Zhang P.P.Zhang r.Zhang S.r.Zhang S.S.Zhan x.Zhang x.P.Zhan Y.Zhan Y.Zhang Y.f.Zhang Y.L.Zhan B.Zhao J.Zhao L.Zhao L.Z.Zhao S.P.Zhao f.Zheng Y.Zheng B.Zhou h.Zhou J.N.Zhou P.Zhou r.Zhou x.x.Zhou C.G. Key Laboratory of Particle Astrophysics&Experimental Physics Division&Computing Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Beijing 100049China tIANfU Cosmic ray research Center ChengduSichuanChina State Key Laboratory of Particle Detection and Electronics BeijingChina University of Science and technology of China Hefei 230026AnhuiChina Department of Engineering Physics Tsinghua UniversityBeijing 100084China National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China National Space Science Center Chinese Academy of SciencesBeijing 100190China School of Physics Peking UniversityBeijing 100871China Center for Astrophysics Guangzhou UniversityGuangzhou 510006GuangdongChina School of Physics and Astronomy&School of Physics(Guangzhou) Sun Yat-sen UniversityZhuhai 519000GuangdongChina School of Physical Science and technology Guangxi UniversityNanning 530004GuangxiChina hebei Normal University Shijiazhuang 050024HebeiChina School of Physics and microelectronics Zhengzhou UniversityZhengzhou 450001HenanChina School of Astronomy and Space Science Nanjing UniversityNanjing 210023JiangsuChina Key Laboratory of Dark matter and Space Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023JiangsuChina Institute of frontier and Interdisciplinary Science Shandong UniversityQingdao 266237ShandongChina Key Laboratory for research in Galaxies and Cosmology Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China tsung-Dao Lee Institute&School of Physics and Astronomy Shanghai Jiao Tong UniversityShanghai 200240China School of Physical Science and technology&School of Information Science and technology Southwest Jiaotong UniversityChengdu 610031SichuanChina College of Physics Sichuan UniversityChengdu 610065SichuanChina Key Laboratory of Cosmic rays(tibet University) Ministry of EducationLhasa 850000TibetChina School of Physic

Purpose Observation of high energy and very high emission from Gamma ray Bursts(GrBs)is crucial to study the gigantic explosion and the underline *** a large field-of-view and almost full duty cycle,the Water Cherenkov Detector Array(WCDA),a sub-array of the Large high Altitude Air Shower Observatory(LhAASO),is appropriate to monitor the very high energy emission from unpredictable transients such as *** Nevertheless,the main issue for an extensive air shower array is the high energy threshold which limits the horizon of the *** address this issue a new trigger method is developed in this article to lower the energy threshold of WCDA for GrB *** the proposed method significantly improves the detection efficiency of WCDA for gamma-rays around the GrB direction at 10-300 *** sensitivity of the WCDA for GrB detection with.t.e new trigger method is *** achieved sensitivity of the quarter WCDA array above 10 GeV is comparable with.t.at of *** data analysis process and corresponding fluence upper limit for GrB 190719C is presented as an example.

关键词： LhAASO WCDA GrB

A dynamic range extension system.f.r LhAASOWCDA-1

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radiation Detection technology and methods 2021年第4期5卷 520-530页

作者： f.Aharonian Q.An Axikegu L.x.Bai Y.x.Bai Y.W.Bao D.Bastieri x.J.Bi Y.J.Bi h.Cai J.t.Cai Z.Cao Z.Cao J.Chang J.f.Chang x.C.Chang B.m.chen J.chen L.chen L.chen L.chen m.J.chen m.L.chen Q.h.chen S.h.chen S.Z.chen t.L.chen x.L.chen Y.chen N.cheng Y.D.cheng S.W.Cui x.h.Cui Y.D.Cui B.Z.Dai h.L.Dai Z.G.Dai Danzengluobu D.della Volpe B.D’Ettorre Piazzoli x.J.Dong J.h.fan Y.Z.fan Z.x.fan J.fang K.fang C.f.feng L.feng S.h.feng Y.L.feng B.Gao C.D.Gao Q.Gao W.Gao m.m.Ge L.S.Geng G.h.Gong Q.B.Gou m.h.Gu J.G.Guo x.L.Guo Y.Q.Guo Y.Y.Guo Y.A.han h.h.he h.N.he J.C.he S.L.he x.B.he Y.he m.heller Y.K.hor C.hou x.hou h.B.hu S.hu S.C.hu x.J.hu D.h.huang Q.L.huang W.h.huang x.t.huang Y.huang Z.C.huang f.Ji x.L.Ji h.Y.Jia K.Jiang Z.J.Jiang C.Jin D.Kuleshov K.Levochkin B.B.Li C.Li C.Li f.Li h.B.Li h.C.Li h.Y.Li J.Li K.Li W.L.Li x.Li x.Li x.r.Li Y.Li Y.Z.Li Z.Li Z.Li E.W.Liang Y.f.Liang S.J.Lin B.Liu C.Liu D.Liu h.Liu h.D.Liu J.Liu J.L.Liu J.S.Liu J.Y.Liu m.Y.Liu r.Y.Liu S.m.Liu W.Liu Y.N.Liu Z.x.Liu W.J.Long r.Lu h.K.Lv B.Q.ma L.L.ma x.h.ma J.r.mao A.masood W.mitthumsiri t.montaruli Y.C.Nan B.Y.Pang P.Pattarakijwanich Z.Y.Pei m.Y.Qi D.ruffolo V.rulev A.Sáiz L.Shao O.Shchegolev x.D.Sheng J.r.Shi h.C.Song Yu.V.Stenkin V.Stepanov Q.N.Sun x.N.Sun Z.B.Sun P.h.t.tam Z.B.tang W.W.tian B.D.wang C.wang h.wang h.G.wang J.C.wang J.S.wang L.P.wang L.Y.wang r.N.wang W.wang W.wang x.G.wang x.J.wang x.Y.wang Y.D.wang Y.J.wang Y.P.wang Z.wang Z.wang Z.h.wang Z.x.wang D.m.Wei J.J.Wei Y.J.Wei t.Wen C.Y.Wu h.r.Wu S.Wu W.x.Wu x.f.Wu S.Q.xi J.xia J.J.xia G.m.xiang G.xiao h.B.xiao G.G.xin Y.L.xin Y.xing D.L.xu r.x.xu L.xue D.h.yan C.W.yang f.f.yang J.Y.yang L.L.yang m.J.yang r.Z.yang S.B.yang Y.h.Yao Z.G.Yao Y.m.Ye L.Q.Yin N.Yin x.h.You Z.Y.You Y.h.Yu Q.Yuan h.D.Zeng t.x.Zeng W.Zeng Z.K.Zeng m.Zha x.x.Zhai B.B.Zhang h.m.Zhang h.Y.Zhang J.L.Zhang J.W.Zhang L.Zhang L.Zhang L.x.Zhang P.f.Zhang P.P.Zhang r.Zhang S.r.Zhang S.S.Zhang x.Zhang x.P.Zhang Y.Zhang Y.Zhang Y.f.Zhang Y.L.Zhang B.Zhao J.Zhao L.Zhao L.Z.Zhao S.P.Zhao f.Zheng Y.Zheng B.Zhou h.Zhou J.N.Zhou Key Laboratory of Particle Astrophyics&Experimental Physics Division&Computing Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Beijing 100049China tIANfU Cosmic ray research Center ChengduSichuanChina State Key Laboratory of Particle Detection and Electronics BeijingChina University of Science and technology of China Hefei 230026AnhuiChina Department of Engineering Physics Tsinghua UniversityBeijing 100084China National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China National Space Science Center Chinese Academy of SciencesBeijing 100190China School of Physics Peking UniversityBeijing 100871China Center for Astrophysics Guangzhou UniversityGuangzhou 510006GuangdongChina School of Physics and Astronomy&School of Physics(Guangzhou) Sun Yat-sen UniversityZhuhai 519000GuangdongChina School of Physical Science and technology Guangxi UniversityNanning 530004GuangxiChina hebei Normal University Shijiazhuang 050024HebeiChina School of Physics and microelectronics Zhengzhou UniversityZhengzhou 450001HenanChina School of Astronomy and Space Science Nanjing UniversityNanjing 210023JiangsuChina Key Laboratory of Dark matter and Space Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023JiangsuChina Institute of frontier and Interdisciplinary Science Shandong UniversityQingdao 266237ShandongChina Key Laboratory for research in Galaxies and Cosmology Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China tsung-Dao Lee Institute&School of Physics and Astronomy Shanghai Jiao Tong UniversityShanghai 200240China School of Physical Science and technology&School of Information Science and technology Southwest Jiaotong UniversityChengdu 610031SichuanChina College of Physics Sichuan UniversityChengdu 610065SichuanChina Key Laboratory of Cosmic rays(tibet University) Ministry of EducationLhasa 850000TibetChina School of Physics

Purpose the main scientific goal of LhAASO-WCDA is to survey gamma-ray sources with energy from 100 GeV to 30 *** observe high-energy shower events,especially to measure the energy spectrum of cosmic rays from 100 teV to 10 PeV,a dynamic range extension system(WCDA++)is designed to use a 1.5-inch Pmt with a dynamic range of four orders of magnitude for each cell in *** the dynamic range is extended by using these Pmts to measure the effective charge density in the core region of air shower events,which is an important parameter for identifying the composition of primary *** and Conclusion the system has been running for more than one *** this paper,the details of the design and performance of WCDA++are presented.

关键词： LhAASO-WCDA WCDA++ Water Cherenkov detector Performance