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StCf conceptual design report (Volume 1): Physics & detector

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frontiers of physics 2024年第1期19卷 1-154页

作者： m.Achasov x.C.Ai L.P.An r.Aliberti Q.An x.Z.Bai Y.Bai O.Bakina A.Barnyakov V.Blinov V.Bobrovnikov D.Bodrov A.Bogomyagkov A.Bondar I.Boyko Z.h.Bu f.m.Cai h.Cai J.J.Cao Q.h.Cao x.Cao Z.Cao Q.Chang K.t.Chao D.Y.chen h.chen h.x.chen J.f.chen K.chen L.L.chen P.chen S.L.chen S.m.chen S.chen S.P.chen W.chen x.chen x.f.chen x.r.chen Y.chen Y.Q.chen h.Y.cheng J.cheng S.cheng t.G.cheng J.P.Dai L.Y.Dai x.C.Dai D.Dedovich A.Denig I.Denisenko J.m.Dias D.Z.Ding L.Y.Dong W.h.Dong V.Druzhinin D.S.Du Y.J.Du Z.G.Du L.m.Duan D.Epifanov Y.L.fan S.S.fang Z.J.fang G.fedotovich C.Q.feng x.feng Y.t.feng J.L.fu J.Gao Y.N.Gao P.S.Ge C.Q.Geng L.S.Geng A.Gilman L.Gong t.Gong B.Gou W.Gradl J.L.Gu A.Guevara L.C.Gui A.Q.Guo f.K.Guo J.C.Guo J.Guo Y.P.Guo Z.h.Guo A.Guskov K.L.han L.han m.han x.Q.hao J.B.he S.Q.he x.G.he Y.L.he Z.B.he Z.x.heng B.L.hou t.J.hou Y.r.hou C.Y.hu h.m.hu K.hu r.J.hu W.h.hu x.h.hu Y.C.hu J.hua G.S.huang J.S.huang m.huang Q.Y.huang W.Q.huang x.t.huang x.J.huang Y.B.huang Y.S.huang N.hüsken V.Ivanov Q.P.Ji J.J.Jia S.Jia Z.K.Jia h.B.Jiang J.Jiang S.Z.Jiang J.B.Jiao Z.Jiao h.J.Jing x.L.Kang x.S.Kang B.C.Ke m.Kenzie A.Khoukaz I.Koop E.Kravchenko A.Kuzmin Y.Lei E.Levichev C.h.Li C.Li D.Y.Li f.Li G.Li G.Li h.B.Li h.Li h.N.Li h.J.Li h.L.Li J.m.Li J.Li L.Li L.Li L.Y.Li N.Li P.r.Li r.h.Li S.Li t.Li W.J.Li x.Li x.h.Li x.Q.Li x.h.Li Y.Li Y.Y.Li Z.J.Li h.Liang J.h.Liang Y.t.Liang G.r.Liao L.Z.Liao Y.Liao C.x.Lin D.x.Lin x.S.Lin B.J.Liu C.W.Liu D.Liu f.Liu G.m.Liu h.B.Liu J.Liu J.J.Liu J.B.Liu K.Liu K.Y.Liu K.Liu L.Liu Q.Liu S.B.Liu t.Liu x.Liu Y.W.Liu Y.Liu Y.L.Liu Z.Q.Liu Z.Y.Liu Z.W.Liu I.Logashenko Y.Long C.G.Lu J.x.Lu N.Lu Q.f.Lü Y.Lu Y.Lu Z.Lu P.Lukin f.J.Luo t.Luo x.f.Luo Y.h.Luo h.J.Lyu x.r.Lyu J.P.ma P.ma Y.ma Y.m.ma f.maas S.malde D.matvienko Z.x.meng r.mitchell A.Nefediev Y.Nefedov S.L.Olsen Q.Ouyang P.Pakhlov G.Pakhlova x.Pan Y.Pan E.Passemar Y.P.Pei h.P.Peng L.Peng x.Y.Peng x.J.Peng K.Peters S.Pivovarov E.Pyata B.B.Qi Y.Q.Qi W.B.Qian Y.Qian C.f.Qiao J.J.Qin J.J.Qin L.Q.Qin x.S.Qin t.L.Qiu J.rademacker C.f.redmer h.Y.Sang Anhui University Hefei 230039China Beihang University Beijing 100191China Budker Institute of Nuclear Physics Novosibirsk 630090Russia CAS Key Laboratory of theoretical Physics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China Cavendish Laboratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom Central China Normal University Wuhan 430079China Central South University Changsha 410083China China University of Geosciences Wuhan 430074China China University of mining and technology Xuzhou 221116China École Polytechnique fédérale de Lausanne(EPfL) LausanneSwitzerland fudan University Shanghai 200433China Goethe University frankfurt D-60325 Frankfurt am MainGermany Guangxi Normal University Guilin 541004China Guangxi Uninversity Nanning 530004China hangzhou Institute for Advanced Study UCASHangzhou 310024China hebei Normal University Shijiazhuang 050024China hebei University Baoding 071002China hefei University of technology Hefei 230601China helmholtz Institute mainz Staudinger Weg 18D-55099 MainzGermany henan Normal University Xinxiang 453007China henan University Kaifeng 475004China high Energy Physics Center Chung-Ang UniversitySeoul 06974Korea higher School of Economy 11 Pokrovsky Bulvar Moscow 109028Russia huangshan University Huangshan 245000China hubei University of Automotive technology Shiyan 442002China hunan Normal University Changsha 410081China hunan University of Science and technology Xiangtan 411201China hunan University Changsha 410082China Indiana University BloomingtonIndiana 47405USA Inner mongolia University Hohhot 010021China Institute of Advanced Science facilities Shenzhen 518107China Institute of high Energy Physics Chinese Academy of SciencesBeijing 100049China Institute of modern Physics Chinese Academy of SciencesLanzhou 730000China Institute of Physics Academia SinicaTaipeiTaiwan 11529China Institute of theoretical Physics Chinese Academy of SciencesBeijing 100190China Jilin University Changch

the superτ-charm.f.cility(StCf)is an electron–positron collider proposed by the Chinese particle physics *** is designed to operate in a center-of-mass energy range from 2 to 7 GeV with a peak luminosity of 0.5×10^(35) cm^(–2)·s^(–1) or *** StCf will produce a data sample about a factor of 100 larger than th.t.of the presentτ-charm.f.ctory—the BEPCII,providing a unique platform.f.r exploring the asymmetry of matter-antimatter(charge-parity violation),in-depth studies of the internal structure of hadrons and the nature of non-perturbative strong interactions,as well as searching for exotic hadrons and physics beyond the Standard *** StCf project in China is under development with an extensive r&D *** document presents the physics opportunities at the StCf,describes conceptual designs of the StCf detector system,and discusses future plans for detector r&D and physics case studies.

关键词： electron–positron collider tau-charm region high luminosity StCf detector conceptual design

Application of novel constrained friction processing method to produce fine grained biomedical mg-Zn-Ca alloy

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Journal of magnesium and Alloys 2024年第2期12卷 516-529页

作者： ting chen Banglong fu Junjun Shen Uceu f.h.r.Suhuddin Björn Wiese Yuanding huang min wang Jorge f.dos Santos Jean Pierre Bergmann Benjamin Klusemann Solid State materials Processing Institute of Material MechanicsHelmholtz-Zentrum HereonMax-Planck-Str.1Geesthacht 21502Germany functional magnesium materials Institute of Metallic BiomaterialsHelmholtz-Zentrum HereonMax-Planck-Str.1Geesthacht 21502Germany Shanghai Key Laboratory of materials Laser Processing and modification Shanghai Jiao Tong UniversityDongchuan Road 800Shanghai 200240China Applied materials and manufacturing Energy and Environment DivisionPacific Northwest National LaboratoryPO Box 999RichlandWA 99352USA Production technology Group Technisiche Universität IlmenauGustav-Kirchhoff-Platz 2Ilmenau 98693Germany Institute for Production technology and Systems Leuphana University of LüneburgUniversitätsallee 1Lüneburg 21335Germany

In order to obtain mg alloys with fine microstructures and high mechanical performances,a novel friction-based processing method,name as“constrained friction processing(CfP)”,was *** CfP,defect-free mg-Zn-Ca rods with greatly refined grains and high mechanical properties were *** to the previous as-cast microstructure,the grain size was reduced from more than 1 mm to around 4μm within 3 s by a single process *** compressive yield strength was increased by 350%while the ultimate compressive strength by 53%.According to the established material flow behaviors by“tracer material”,the plastic material was transported by shear *** the base material to the rod,the material experienced three stages,*** by the tool,upward flow with additional tilt,followed by upward *** microstructural evolution was revealed by“stop-action”*** microstructural development at regions adjacent to the rod is mainly controlled by twinning,dynamic recrystallization(Drx)as well as particle stimulated nucleation,while th.t.within the rod is related to Drx combined with grain growth.

关键词： Constrained friction processing magnesium alloys microstructure mechanical properties Grain refinement Plastic deformation

Self-templating synthesis of biomass-based porous carbon nanotubes for energy storage and catalytic degradation applications

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Green Energy & Environment 2024年第3期9卷 584-595页

作者： manman xu Shiqi fu Yukai Wen Wei Li Qiongfang Zhuo haida Zhu Zhikeng Zheng Yuwen chen Anqi wang Kai yan research Centre for Eco-Environmental Engineering School of Environment and Civil EngineeringDongguan University of TechnologyDongguan523808China School of Environmental Science and Engineering Sun Yat-sen UniversityGuangzhou510275China

Dwindling energy sources and a worsening environment are huge global problems,and biomass wastes are an under-exploited source of material for both energy and material ***,self-template decoction dregs of Ganoderma lucidum-derived porous carbon nanotubes(St-DDLGCs)were synthesized via a facile and scalable strategy in response to these ***-DDLGCs exhibited a large surface area(1731.51 m^(2)g^(-1))and high pore volume(0.76 cm^(3)g^(-1)),due to the interlacing tubular structures of precursors and ex.r.-hierarchical porous structures on tube *** the St-DDLGC/PmS system,the degradation efficiency of capecitabine(CAP)reached~97.3%within 120 ***,St-DDLGCs displayed high catalytic activity over a wide ph range of 3–9,and strong anti-interference to these typical and ubiquitous anions in wastewater and natural water bodies(i.e.,h_(2)PO_(4)^(-),NO_(3)^(-),Cl^(-) and hCO_(3)^(-)),in which a ^(1)O_(2)-dominated oxidation was identified and non-radical mechanisms were ***,St-DDLGC-based coin-type symmetrical supercapacitors exhibited outstanding electrochemical performance,with specific capacitances of up to 328.1 f g^(-1)at 0.5 A g^(-1),and cycling stability of up to 98.6%after 10,000 cycles at a current density of 2 A g^(-1).the superior properties of St-DDLGCs could be attributed to the unique porous tubular structure,which facilitated mass transfer and presented numerous active *** results highlight St-DDLGCs as a potential candidate for constructing inexpensive and advanced environmentally functional materials and energy storage devices.

关键词： Ganoderma lucidum residue Porous carbon nanotubes Self-template method Wastewater treatment Supercapacitor electrode

Enhanced activity and durability of feCoCrmoCBY nanoglass in acidic hydrogen evolution reaction

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Journal of materials Science & technology 2024年第3期170卷 212-220页

作者： mengyang yan Shuangqin chen Shangshu Wu xuechun Zhou Shu fu Di wang Christian Kübel horst hahn Si Lan tao feng herbert Gleiter Institute of Nanoscience School of Material Science and EngineeringNanjing University of Science and TechnologyNanjing 210094China Institute of Nanotechnology Karlsruhe Institute of TechnologyKarlsruhe 76021Germany

In the present work,a multi-element nanoglass(m-NG)of feCoCrmoCBY is obtained first time by the laser ablation combined with inert gas condensation(laser-IGC)*** with.t.e conventional rapid-quenched metallic glass(mG)with identical composition,the fe-based m-NG demonstrates a superior performance as a self-supported electrocatalyst for hydrogen evolution reaction(hEr)in acidic *** enhanced hEr activity of m-NG is proposed to be closely related to its high en-ergy states,which is originated from the unique inhomogeneous nanostructures with a high density of low-coordinated ***,the fe-based m-NG exhibits an outstanding comprehensive catalytic performance even beyond the commercial Pt/C catalyst in long-term test due to its self-optimization *** work not only opens the way to the preparation of m-NGs by the novel laser-IGC technique,but also makes a great contribution to developing low-cost,high-efficient,and super-durable hEr electrocat-alysts in acidic environment.

关键词： Nanoglass Inert gas condensations high energy states hydrogen evolution reactions

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

Ground-state mass of ^(22)Al and test of state-of-the-art ab initio calculations

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Chinese Physics C 2024年第3期48卷 72-78页

作者：孙铭泽于越王新鹏王猛李健国张玉虎 K.Blaum 陈祖毅陈瑞九邓涵宇付超义葛文文黄文嘉焦红扬李红蕙李宏福罗胤芳廖挺 YuALitvinov 司敏帅鹏史金阳王茜邢元明徐星徐瑚珊许甫荣袁琪 t.Yamaguchi 颜鑫亮杨建成原有进周小红周旭张敏曾奇 CAS Key Laboratory of high Precision Nuclear Spectroscopy Institute of Modern PhysicsChinese Academy of SciencesLanzhou 730000China School of Nuclear Science and technology University of Chinese Academy of SciencesBeijing 100049China max-Planck-Institut für Kernphysik Saupfercheckweg 169117 HeidelbergGermany GSI helmholtzzentrum.f.r Schwerionenforschung Planckstraße 164291 DarmstadtGermany Advanced Energy Science and technology Guangdong Laboratory Huizhou516007China State Key Laboratory of Nuclear Physics and technology School of PhysicsPeking UniversityBeijing 100871China Department of Physics Saitama UniversitySaitama 338-8570Japan School of Nuclear Science and Engineering East China University of TechnologyNanchang 330013China

the ground-state mass excess of the t_(z)=−2 drip-line nucleus ^(22)Al is measured for the first time as 18103(10)keV using the newly-developed Bρ-defined isochronous mass spectrometry method at the cooler storage ring in *** new mass excess value allowed us to determine the excitation energies of the two low-lying 1+states in ^(22)Al with significantly reduced uncertainties of 51 *** compared to the analogue states in its mirror nucleus ^(22)f,the mirror energy differences of the two 1^(+)states in the ^(22)Al-^(22)f mirror pair are determined to be−625(51)keV and−330(51)*** excitation energies and mirror energy differences are used to test the state-of-the-art ab initio valence-space in-medium similarity renormalization group calculations with four sets of interactions derived from the chiral effective field *** mechanism leading to the large mirror energy differences is investigated and attributed to the occupation of theπs_(1/2) orbital.

关键词： nuclear mass Bρ-defined ImS mirror energy difference ab initio VS-ImSrG calculations chiral interactions

fuzzy-model-Based finite frequency fault Detection filtering Design for two-Dimensional Nonlinear Systems

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IEEE/CAA Journal of Automatica Sinica 2024年第10期11卷 2099-2110页

作者： meng wang huaicheng yan Jianbin Qiu Wenqiang Ji Key Laboratory of Smart manufacturing in Energy Chemical Process Ministry of EducationSchool of Information Science and EngineeringEast China University of Science and TechnologyShanghai 200237China research Institute of Intelligent Control and Systems School of AstronauticsHarbin Institute of TechnologyHarbin 150080China School of Artificial Intelligence Hebei University of TechnologyTianjin 300401China IEEE

this article studies the fault detection filtering design problem.f.r roesser type two-dimensional(2-D)nonlinear systems described by uncertain 2-D takagi-Sugeno(t-S)fuzzy ***,fuzzy Lyapunov functions are constructed and the 2-D fourier transform is exploited,based on which a finite frequency fault detection filtering design method is proposed such.t.at a residual signal is generated with robustness to external disturbances and sensitivity to *** has been shown th.t.the utilization of available frequency spectrum information of faults and disturbances makes the proposed filtering design method more general and less conservative compared with a conventional nonfrequency based filtering design ***,with.t.e proposed evaluation function and its threshold,a novel mixed finite frequency h_(∞)/h_(-)fault detection algorithm is developed,based on which.t.e fault can be immediately detected once the evaluation function exceeds the ***,it is verified with simulation studies th.t.the proposed method is effective and less conservative than conventional non-frequency and/or common Lyapunov function based filtering design methods.

关键词： fault diagnosis finite frequency specifications mixed h_(∞)/h_(-)performance two-dimensional nonlinear systems

Enhanced detection of freeze‒thaw induced landslides in Zhidoi county(tibetan Plateau,China)with Google Earth Engine and image fusion

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Advances in Climate Change research 2024年第3期15卷 476-489页

作者： Jia-hui yanG yan-chen GAO Lang JIA Wen-Juan wang Qing-Bai WU francis ZVOmUYA miles DYCK hai-Long hE College of Natural resources and Environment Northwest A&F UniversityYangling 712100China State Key Laboratory of frozen Soil Engineering Northwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesLanzhou 730000China Department of Soil Science University of Manitob1Winnipeg MB R3T 2N2Canada Department of renewable resources University of Albert1Edmonton AB T6G 2H1Canad

freeze‒thaw induced landslides(ftILs)in grasslands on the tibetan Plateau are a geological disaster leading to soil *** landslides reduce biodiversity and intensify landscape fragmentation,which in turn are strengthen by the persistent climate change and increased anthropogenic ***,conventional techniques for mapping ftILs on a regional scale are impractical due to their labor-intensive,costly,and time-consuming *** study focuses on improving ftILs detection by implementing image fusion-based Google Earth Engine(GEE)and a random.f.rest *** of multiple data sources,including texture features,index features,spectral features,slope,and vertical‒vertical polarization data,allow automatic detection of the spatial distribution characteristics of ftILs in Zhidoi county,which is located within the Qinghai‒tibet Engineering Corridor(QtEC).We employed statistical techniques to elucidate the mechanisms influencing ftILs *** enhanced method identifies two schemes th.t.achieve high accuracy using a smaller training sample(scheme A:94.1%;scheme D:94.5%)compared to other methods(scheme B:50.0%;scheme C:95.8%).this methodology is effective in generating accurate results using only~10%of the training sample size necessitated by other *** spatial distribution patterns of ftILs generated for 2021 are similar to those obtained using various other training sample sources,with a primary concentration observed along the central region traversed by the *** results highlight the slope as the most crucial feature in the fusion images,accounting for 93%of ftILs occurring on gentle slopes ranging from 0°to 14°.this study provides a theoretical framework and technological reference for the identification,monitoring,prevention and control of ftILs in *** developments hold the potential to benefit the management of grassland ecosystem,reduce economic losses,and promote grassland sustainability.

关键词： Perm.f.ost degradation random.f.rest thaw slump Spatial distribution tibetan Plateau

Determination of the number ofψ(3686)events taken at BESⅢ

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Chinese Physics C 2024年第9期48卷 8-20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 G.r.Che G.Chelkov C.chen C.h.chen Chao chen G.chen h.S.chen h.Y.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 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.Ding x.x.Ding Y.Ding Y.Ding J.Dong L.Y.Dong m.Y.Dong x.Dong m.C.Du S.x.Du Y.Y.Duan Z.h.Duan P.Egorov Y.h.fan J.fang J.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 m.f.itsch C.D.fu J.L.fu Y.W.fu h.Gao x.B.Gao Y.N.Gao yang Gao S.Garbolino I.Garzia L.Ge P.t.Ge Z.W.Ge C.Geng E.m.Gersabeck A.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 f.hanisch 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 S.L.hu t.hu Y.hu G.S.huang K.x.huang L.Q.huang x.t.huang Y.P.huang t.hussain f.hölzken N.hüsken N.in der Wiesche 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 N.Kumar A.Kupsc W.Kühn J.J.Lane P.Larin L.Lavezzi t.t.Lei Z.h.Lei m.Lellmann t.Lenz C.Li C.Li C.h.Li cheng Li D.m.Li f.Li G.Li h.B.Li h.J.Li h.N.Li hui Li J.r.Li J.S.Li Ke 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.Z.Li xi Institute of high Energy Physics Beijing 100049China Beihang University Beijing 100191China Bochum ruhr-University D-44780BochumGermany 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 Road54000LahorePakistan fudan University Shanghai 200433China GSI helmholtzcentre for heavy Ion research Gmbh D-64291DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China hangzhou Normal University Hangzhou 310036China hebei University Baoding 071002China helmholtz Institute mainz Staudinger Weg 18D-55099MainzGermany 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 (A)INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly(B)INFN Sezione di PerugiaI-06100PerugiaItaly(C)University of PerugiaI-06100PerugiaItaly INfN Sezione di ferrara (A)INFN Sezione di FerraraI-44122FerraraItaly(B)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 Alta Investigación Universidad de TarapacáCasilla 7DArica 1000000Chile Jilin University Changchun 130012China Joha

the number ofψ(3686)events collected by the BESⅢdetector during the 2021 run period is determined to be(2259.3±11.1)×10~6 by counting inclusiveψ(3686)hadronic *** uncertainty is systematic and the statistical uncertainty is ***,the numbers ofψ(3686)events collected during the 2009 and 2012run periods are updated to be(107.7±0.6)×10~6 and(345.4±2.6)×10~6,*** numbers are consistent with.t.e previous measurements within one standard *** total number ofψ(3686)events in the three data samples is(2712.4±14.3)×10~6.

关键词： ψ(3686) inclusive process hadronic events BESⅢdetector