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Measurement of.the integrated Luminosities of.cross-section scan data samples around theψ(3770)mass region

Chinese Phy.ics C 2018年第6期42卷 1-8页

作者： M. Ablikim M. N. Achasov S. Ahmed M. Albrecht M. Alekseev A. Amoroso f. f. An Q. An y. Bai O. Bakina R. Baldini f.rroli y. Ban K. Begzsuren D. W. Bennett J. V. Bennett N. Berger M. Bertani D. Bettoni f. Bianchi E. Boger I. Boy.o R. A. Briere H. Cai X. Cai O. Cakir A. Calcaterra G. f. Cao S. A. Cetin J. Chai J. f. Chang W. L. Chang G. Chelkov G. Chen H. S. Chen J. C. Chen M. L. Chen P. L. Chen S. J. Chen X. R. Chen y. B. Chen X. K. Chu G. Cibinetto f. Cossio H. a. Dai, J. f. Dai A. Dbey.si D. Dedovich Z. y. Deng A. Denig I. Deny.enko M. Destef.nis f. De Mori y. Ding C. Dong J. Dong L. y. Dong M. y. Dong Z. L. Dou S. X. Du P. f. nuan J. f.ng S. S. f.ng y. f.ng R. f.rinelli L. f.va S. f.gan f. f.ldbauer G. f.lici C. Q. f.ng E. f.oravanti M. f.itsch C. D. f. Q. Gao X. L. Gao y. Gao, y. G. Gao Z. Gao B. Garillon I. Garzia 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 L. B. Guo R. P. Guo y. f. Guo A. Guskov Z. Haddadi S. Han X. Q. Hao f. A. Harris Z. L. He X. O. He f. H. Heinsius T. Held y. K. Heng T. Holtmann Z. L. Hou H. M. Hu J. f. gu T. Hu y. Hu G. S. Huang J. S. Huang X. T. Huang X. Z. Huang Z. L. guang T. Hussain W. Ikegami Andersson M Irshad Q. Ji Q. P. Ji X. B. Ji X. L. Ji X. S. Jiang X. y. Jiang J. B. Jiao Z. Jiao D. P. Jin S. Jin y. Jin T. Johansson A. Julin N. Kalantar-Nay.stanaki X. S. Kang M. Kavatsy.k B. C. Ke T. Khan A. Khoukaz P. Kiese R. Kliemt L. Koch O. B. Kolcu B. Kopf.M. Kornicer M. Kuemmel M. Kuessner A. Kupsc M. Kurth W. Kiihn J. S. Lange M. Lara P. Larin L. Lavezzi S. Leiber H. Leithof. 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 K. J. Li Kang Li Ke Li Lei Li P. L. Li P. R. Li Q. y. Li T. Li W. D. Li W. G. Li X. L. Li X. N. Li X. Q. Li Z. B. Li H. liang y. f. liang y. T. liang G. R. Liao L. Z. Liao J. Libby.C. X. Lin D. X. Lin S. Liu B. J. Liu C. X. Liu D. Liu D. y. Liu f. H. Liu f.ng Liu f.ng Liu H. B. Liu H. L Liu H. M. Liu Huanhuan Liu Huihui Liu J. B. Liu J. y. Liu K. Liu K. y. Liu Ke Liu L. D. Liu Q. Liu S B. Y. Zhang144 C. C. Zhang1D. H. Zhang1 H. H. Zhang45H. Y. Zhang144 J. Zhang151 J. L. Zhang65 J. Q. Zhang4 J. W. Zhang1 J. Y. Zhang1 J. Z. Zhang151 K. Zhang151 L. Zhang46 S. F. Zhang35 T. J. Zhang3975 X. Y. Zhang38 Y. Zhang4457 Y. H. Zhang144 Y. T. Zhang4557 Yang Zhang1 Yao Zhang1 Yu Zhang51 Z. H. Zhang6 Z. P. Zhan57Z. Y. Zhang64 G. Zhao1J. W. Zhao144 J. Y. Zhao151 J. Z. Zhao144 Lei Zhao4457 Ling Zhao1 M. G. Zhao35 Q. Zhao1 S. J. Zhao67 T. C. Zhao1 Y. B. Zhao144 Z. G. Zhao4457 A. Zhemehugov2869 B. Zheng58J. P. Zheng144 W. J. Zheng38 Y. H. Zheng51B. Zhong33 L. Zhou144 Q. Zhou151 X. Zhou64 X. K. Zhou4457 X. R. Zhou4457 X. Y. Zhou1 A. N. Zhu151 J. Zhu35 J. Zhu45 K. Zhu1 K. J. Zhu1 S. Zhu1 S. H. Zhu56 X. L. Zhu46 Y. C. Zhu4457 Y. S. Zhu151 Z. A. Zhu151 J. Zhuang144B. S. Zou1 J. H. Zou1 （ 1 Institute of High Energy Physics Beijing 100049 China Beihang University Beijing 100191 China Beijing Institute of.Petrochemical Technology Beijing 102617 China Bochum Ruhr-University D-44780 Bochum Germany Carnegie Mellon University Pittsburgh Pennsylvania 15213 USA Central China Normal University Wuhan 430079 China China Center of.Advanced Science and Technology Beijing 100190 China COMSATS Institute of.Inf.rmation Technology Lahore Defence Road Off Raiwind Road 54000 Lahore Pakistan G.I. Budker Institute of.Nuclear Phy.ics SB RAS （BINP） Novosibirsk 630090 Russia GSI Helmholtzcentre f.r Heavy.Ion Research GmbH D-64291 Darmstadt Germany Guangxi Normal University Guilin 541004 China Guangxi University Nanning 530004 China Hangzhou Normal University Hangzhou 310036 China Helmholtz Institute Mainz JohannwJoachim-Becher-Weg 45 D-55099 Mainz Germany Henan Normal University Xinxiang 453007 China Henan University.of.Science and Technology Luoyang 471003 China Huangshan College Huangshan 245000 China Hunan Normal University Changsha 410081 China Hunan University Changsha 410082 China Indian Institute of.Tec

To investigate the nature of.the Ψ（3770） resonance and to measure the cross section f.r e^＋e^-→DD, a cross-section scan data sample, distributed among 41 center-of.mass energy.points f.om 3.73 to 3.89 GeV, was taken with the BESIII detector operated at the BEPCII collider in the y.ar 2010. By.analy.ing the large angle Bhabha scattering events, we measure the integrated luminosity.of.the data sample at each center-of.mass energy.point. The total integrated luminosity.of.the data sample is 76.16±0.04±0.61 pb^-1, where the f.rst uncertainty.is statistical and the second sy.tematic.

关键词： Bhabha scattering events integrated luminosity.BESⅢ

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Converting TREx-RGB green-channel data to 557.7 nm auroral intensity.Methodology.and initial results

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Earth and Planetary.Phy.ics 2024年第1期8卷 258-274页

作者： Jun liang D.M.Gillies E.Spanswick E.f.Donovan University.of.Calgary CalgaryT2N 1N4Canada

The recently.deploy.d Transition Region Explorer(TREx)-RGB(red-green-blue)all-sky.imager(ASI)is designed to capture“true color”images of.the aurora and *** the 557.7 nm green line is usually.the brightest emission line in visible auroras,the green channel of.a TREx-RGB camera is usually.dominated by.the 557.7 nm *** this rationale,the TREx mission does not include a specif.c 557.7 nm imager and is designed to use the RGB green-channel data as a proxy.f.r the 557.7 nm *** this study.we present an initial ef.ort to establish the conversion ratio or f.rmula linking the RGB green-channel data to the absolute intensity.of.557.7 nm auroras,which is crucial f.r quantitative uses of.the RGB *** illustrate two approaches:(1)through a comparison with the collocated measurement of.green-line auroras f.om the TREx spectrograph,and(2)through a comparison with the modeled green-line intensity.according to realistic electron precipitation f.ux measurements f.om low-Earth-orbit satellites,with the aid of.an auroral transport *** demonstrate the procedures and provide initial results f.r the TREx-RGB ASIs at the Rabbit Lake and Lucky.Lake *** RGB response is f.und to be *** conversion ratios or f.rmulas between RGB green-channel data and the green-line auroral intensity.are given and can be applied immediately.by.TREx-RGB data *** methodology.established in this study.will also be applicable to the upcoming SMILE ASI mission,which will adopt a similar RGB camera sy.tem in its deploy.ent.

关键词： TREx RGB green-line aurora auroral transport model

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Thermo-kinetic characteristics on stabilizing hetero-phase interf.ce of.metal matrix composites by.cry.tal plasticity.f.nite element method

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Journal of.Materials Science & Technology 2024年第2期169卷 53-67页

作者： y.B.Zhang S.J.Song f.Liu State Key.Laboratory.of.Solidif.cation Processing Northwestern Polytechnical UniversityXi’an 710072China Analy.ical&Testing Center Northwestern Polytechnical UniversityXi’an 710072China

Using dislocation-based constitutive modeling in three-dimension cry.tal plasticity.f.nite element(3D CPf.)simulations,co-def.rmation and instability.of.hetero-phase interf.ce in dif.erent material sy.tems were herein studied f.r poly.ry.talline metal matrix composites(MMCs).Local stress and strain f.elds in two ty.es of.3lay.r MMCs such as f.c/f.c Cu-Ag and f.c/bcc Cu-Nb have been predicted under simple compressive ***,more severe strain-induced interf.ce instability.can be observed in the f.c/bcc sy.tems than in the f.c/f.c sy.tems upon ref.ning to metallic nanolay.red composites(MNCs).By.detailed analy.is of.stress and strain localization,it has been demonstrated that the interf.ce instability.is alway. accompanied by.high-stress concentration,i.e.,thermody.amic characteristics,or high strain prevention i.e.,kinetic characteristics,at the hetero-phase *** then f.llows that the thermody.amic driving f.rceG and the kinetic energy.barrier Q during dislocation and shear banding can be adopted to classif.0}the def.rmation modes,f.llowing the so-called thermo-kinetic *** by.inserting a high density.of.high-energy.interf.ces into the Cu-Nb composites,such thermo-kinetic integration at the hetero-phase interf.ce allows a successf.l establishment of.MMCs with the high△G-high Q def.rmation mode,which ensures high hardening and unif.rm strain distri-bution,thus ef.iciently.suppressing the shear band,stabilizing the hetero-phase interf.ce,and obtaining an exceptional combination in strength and *** hetero-phase interf.ce chosen by.a couple of.thermody.amics and kinetics can be def.ned as breaking the thermo-kinetic correlation and has been proposed f.r artif.cially.designing MNCs.

关键词： Thermody.amics and kinetics Phy.ics-based constitutive modeling Hetero-phase interf.ce Cry.tal plasticity.f.nite element

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Engineering a high-barrier d-f.single-molecule magnet centered with hexagonal bipy.amidal Dy.Ⅲ) unit

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Science China Chemistry 2024年第10期67卷 3291-3298页

作者： Wei Deng Chan-y.ng y.o y.n-Cong Chen y.ng-Qian Zhou Shan-Nan Du Jun-liang Liu Ming-liang Tong Key.Laboratory.of.Bioinorganic and Sy.thetic Chemistry.of.Ministry.of.Education School of ChemistryInstitute of Green Chemistry and Molecular EngineeringGuangdong Basic Research Center of Excellence for Functional Molecular EngineeringSun Yat-sen University

In the pursuit of.high-perf.rmance single-molecule magnets（SMMs）,incorporating intramolecular magnetic coupling emerges as a pivotal *** these,d-f.SMMs have garnered signif.cant attention due to their remarkable versatility.which lies in their ability.to tune coordination environments and f.cilely.substitute metal ***,achieving perf.rmance-centric d-f.SMMs through the sy.ergistic interplay.between highly.anisotropic f.ions and d-f.magnetic interactions remains a f.rmidable *** mononuclear hexagonal bipy.amidal(D6h) Dy.SMMs have been successf.lly.isolated,the exploration of.d-f.SMMs f.aturing D6h-lanthanide metal centers remains uncharted *** this study.we employ.d planar bipodal ligands in conjunction with “staple-like” axial phenoxide ligands to sy.thesize the f.rst hexagonal bipy.amidal d-f.***,this compound exhibits alternating-current magnetic susceptibilities peaking up to 68 K with an energy.barrier surpassing 1,200 K,thus establishing a new benchmark within the heterometallic d-f.SMM landscape inclusive of.complexes with diamagnetic d metals and paramagnetic f.***,the f.rromagnetic interaction at the d-f.sites engenders oscillating relaxation times contingent on the magnetic f.eld—a characteristic distinct f.om mononuclear *** f.ndings shed light on a deliberate design approach f.r d-f.SMMs,emphasizing the cooperative utilization of.high-barrier lanthanide modules alongside d ions through magnetic *** sy.ergy.signif.cantly.enhances and diversif.es the magnetic dy.amics of.these intriguing molecular sy.tems.

关键词： single-molecule magnets magnetic coupling cry.tal engineering hexagonal bipy.amid energy.barrier

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Suf.icient Conditions f.r Amalgamated 3-Manif.lds to be ∂-Irreducible

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Chinese Annals of.Mathematics,Series B 2024年第2期45卷 161-172页

作者： Bing f.NG f.ngchun LEI liang liang School of.Mathematical Sciences Dalian University of TechnologyDalian 116024LiaoningChina School of.Mathematics Liaoning Normal UniversityDalian 116029LiaoningChina

In this paper,the authors give some suf.icient conditions f.r an amalgamated 3-manif.ld along a compact connected surf.ce f.with boundary.to be ∂-irreducible in terms of.distances between some kinds of.vertex subsets ... 详细信息

关键词： ∂-Irreducibility Irreducibility Amalgamated 3-manif.ld Curve complex Arc complex

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Interf.ce optimization and def.cts suppression via Na f.introduction enable ef.icient f.exible Sb_(2)Se_(3) thin-f.lm solar cells

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Journal of.Energy.Chemistry 2024年第3期90卷 165-175,I0006页

作者： Mingdong Chen Muhammad Ishaq Donglou Ren Hongli Ma Zhenghua Su Ping f.n David Le Coq Xianghua Zhang Guangxing liang Shuo Chen Shenzhen Key.Laboratory.of.Advanced Thin f.lms and Applications Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong ProvinceCollege of Physics and Optoelectronic EngineeringShenzhen UniversityShenzhen 518060GuangdongChina State Key.Laboratory.of.f.atured Metal Materials and Lif.-cy.le Saf.ty.f.r Composite Structures MOE Key Laboratory of New Processing Technology for Nonferrous Metals and MaterialsSchool of ResourcesEnvironment and MaterialsGuangxi UniversityNanning 530004GuangxiChina CNRS ISCR(Institut des Sciences Chimiques de Rennes)UMR 6226Universitéde RennesRennes F-35000France

Sb_(2)Se_(3) with unique one-dimensional(1D) cry.tal structure exhibits exceptional def.rmation tolerance,demonstrating great application potential in f.exible ***,the power conversion ef.iciency.PCE) of.f.exible Sb_(2)Se_(3) photovoltaic devices is temporarily.limited by.the complicated intrinsic def.cts and the undesirable contact ***,a high-quality.Sb_(2)Se_(3) absorber lay.r with large cry.tal grains and benign [hkl] growth orientation can be f.rst prepared on a Mo f.il *** Naf.intermediate lay.r is introduced between Mo and Sb_(2)Se_(3),which can f.rther optimize the growth of.Sb_(2)Se_(3)thin ***,positive Na ion dif.usion enables it to dramatically.lower barrier height at the back contact interf.ce and passivate harmf.l def.cts at both bulk and *** a result,the champion substrate structured Mo-f.il/Mo/Naf.Sb_(2)Se_(3)/CdS/ITO/Ag f.exible thin-f.lm solar cell delivers an obviously.higher ef.iciency.of.8.03% and a record open-circuit voltage(V_(OC)) of.0.492 *** f.exible Sb_(2)Se_(3) device also exhibits excellent stability.and f.exibility.to stand large bending radius and multiple bending times,as well as superior weak light photo-response with derived ef.iciency.of.12.60%.This work presents an ef.ective strategy.to enhance the f.exible Sb_(2)Se_(3) device perf.rmance and expand its potential photovoltaic applications.

关键词： Sb_(2)Se_(3) f.exible solar cells Naf.intermediate lay.r Interf.ce optimization Def.cts suppression

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Microstructure evolution and shape memory.behaviors of.Ni_(47)Ti_(44)Nb_(9)alloy.subjected to multistep thermomechanical loading with dif.erent prestrain levels

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Journal of.Materials Science & Technology 2024年第4期171卷 80-93页

作者： y.H.Zhang H.Li Z.W.y.ng X.Liu Q.f.Gu State Key.Laboratory.of.Solidif.cation Processing School of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’an 710072China Shaanxi Key.Laboratory.of.High-Perf.rmance Precision f.rming Technology.and Equipment Northwestern Polytechnical UniversityXi’an 710072China

Ni_(47)Ti_(44)Nb_(9)shape memory.alloy.SMA)is a promising material in the aerospace f.eld due to its wide transf.rmation *** application of.shape memory.ef.ect depends on multistep thermomechan-ical loading,viz.,low-temperature def.rmation and subsequent heating to ***-temperature def.rmation prestrain play. a pivotal role in shape memory.properties tailoring of.SMA ***,microstructure evolution and def.rmation mechanisms of.Ni_(47)Ti_(44)Nb_(9)SMA subjected to vari-ous prestrain levels are still *** this end,microstructure evolution and shape memory.behaviors of.Ni_(47)Ti_(44)Nb_(9)alloy.subjected to multistep thermomechanical loading with prestrain levels of.8%-16%at-28℃(M_(s)+30℃)were *** results demonstrate that the stress-strain curve of.the specimen exhibits f.ur distinct stages at a maximal prestrain of.16%.Whereas stageⅡand stageⅢend at prestrains of.8%and∼12%,*** stageⅡ,the stress-induced martensitic transf.rmation is accompanied by.the dislocation slip of.the NiTi matrix andβ-Nb *** stageⅢ,in addition to the higher density.of.dislocations and f.rther growth of.stress-induced martensite variants(SIMVs),(001)compound twins are introduced as a result of.the(001)def.rmation twinning in stress-induced ***{20-1}martensite twins are gradually.introduced in stageⅣ.Correspondingly.af.er subsequent unloading and heating,a higher density.of.114}austenite twins f.rm in the specimen with a larger prestrain of.16%.With increasing prestrain f.om 8%to 16%,the recoverable strainε_(re)^(T)upon heating increases f.rst and then ***ε_(re)^(T)obtains a maximum of.7.03%at 10%prestrain and de-creases to 6.17%at 16%*** increase of._(re)^(T)can be attributed to the f.rmation of.new SIMVs,the f.rther growth of.existing SIMVs,and the recoverable(001)compound *** the decrease of._(re)^(T)is mainly.associated with the irrecoverable strain by.20−1}martensite *** ef.e

关键词： Ni_(47)Ti_(44)Nb_(9)shape memory.alloy Wide transf.rmation hy.teresis Thermomechanical loading Microstructure evolution Shape memory.behaviors Stress-induced martensitic transf.rmation Def.rmation twinning

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f.nite element analy.is and experimental validation of.poly.er-metal contacts in block-on-ring conf.guration

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f.iction 2024年第3期12卷 554-568页

作者： K.y.Eay.l AWWAD Khosro f.LLAHNEZHAD B.f.y.USIf.Ahmad MOSTAf. Omar ALAJARMEH A.SHALWAN Xuesen ZENG Mechanical Engineering Department Faculty of EngineeringTafila Technical UniversityTafila 66110Jordan Medical Device Research Institute College of Science and EngineeringFlinders UniversitySouth Australia 5042Australia Centre f.r f.ture Materials University of Southern QueenslandToowoomba 4350Australia Department of.Manuf.cturing Engineering Technology Public Authority for Applied Education and TrainingKuwait 13092Kuwait

The wear prof.le analy.is,obtained by.dif.erent tribometers,is essential to characterise the wear ***,most of.the available methods did not take the stress distribution over the wear prof.le in consideration,which causes inaccurate *** this study.the wear prof.le of.poly.er–metal contact,obtained by.block-on-ring conf.guration under dry.sliding conditions,was analy.ed using f.nite element modelling(f.M)and experimental ***’s wear equation was integrated into a developed f.RTRAN-UMESHMOTION code linked with Abaqus sof.ware.A vary.ng wear coef.icient(k)values covering both running-in and steady.state regions,and a range of.applied loads involving both mild and severe wear regions were measured and implemented in the *** f.M was in good agreement with the *** model reproduced the stress distribution prof.les under variable testing conditions,while their values were af.ected by.the sliding direction and maximum wear depth(hmax).The largest area of.the wear prof.le,exposed to the average contact stresses,is def.ned as the normal *** the critical zones were characterized by.high stress concentrations reaching up to 10 times of.that at the normal *** wear prof.le was mapped to identif.0}the critical zone where the stress concentration is the key.point in this *** surf.ce f.atures were examined in dif.erent regions using scanning electron microscope(SEM).Ultimately.SEM analy.is showed severer damage f.atures in the critical zone than that in the normal zone as proven by.***,the literature data presented and considered the wear f.atures the same at any.point of.the wear *** this study.the normal zone was determined at a stress value of.about 0.5 MPa,whereas the critical zone was at about 5.5 *** wear behaviour of.these two zones showed totally.dif.erent f.atures f.om one another.

关键词： poly.er-to-metal contact block-on-ring wear prof.le wear model

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Resistive f.eld generation in intense proton beam interaction with solid targets

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Matter and Radiation at Extremes 2024年第1期9卷 35-43页

作者： W.Q.Wang J.J.Honrubia y.y.n X.H.y.ng f.Q.Shao Department of.Phy.ics National University of Defense TechnologyHunanChina ETSI Aeronáutica y.del Espacio Universidad Politécnica de MadridMadridSpain Department of.Nuclear Science and Technology National University of Defense TechnologyHunanChina

The Brown-Preston-Singleton(BPS)stopping power model is added to our previously.developed hy.rid code to model ion beam-plasma *** simulations show that both resistive f.eld and ion scattering ef.ects are important f.r proton beam transport in a solid target,in which they.compete with each *** the target is not completely.ionized,the self.generated resistive f.eld ef.ect dominates over the ion scattering ***,when the target is completely.ionized,this situation is ***,it is f.und that Ohmic heating is important f.r higher current densities and materials with high *** energy.f.action deposited as Ohmic heating can be as high as 20%-30%.Ty.ical ion divergences with half.angles of.about 5°-10°will modif.0}the proton energy.deposition substantially.and should be taken into account.

关键词： interaction beam intense

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Uniqueness on Dif.erence Operators of.Meromorphic f.nctions of.Inf.nite Order

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Acta Mathematica Sinica,English Series 2024年第2期40卷 511-527页

作者： Hui LI Ming liang f.NG Xiao y.O School of.Science China University of Mining and TechnologyBeijing 100083P.R.China Institute of.Mathematics Academy of Mathematics and System SciencesChinese Academy of SciencesBeijing 100190P.R.China School of.Sciences Hangzhou Dianzi UniversityHangzhou 310012P.R.China School of.Mathematical sciences and LPMC Nankai UniversityTianjin 300071P.R.China

We investigate the uniqueness problems of.meromorphic f.nctions and their dif.erence operators by.using a new *** is proved that if.a non-constant meromorphic f.nction f.shares a non-zero constant and ∞ counting multiplicities with its dif.erence operators Δcf.z) and Δ_(c)^(2)f.z), thenΔcf.z)≡Δ_(c)^(2)f.z).In particular,we give a dif.erence analogue of.a result of.*** method has two distinct f.atures:(ⅰ) It converts the relations between f.nctions into the corresponding *** makes it possible to deal with the uniqueness problem by.linear algebra and combinatorics.(ⅱ) It circumvents the obstacle of.the dif.erence logarithmic derivative lemma f.r meromorphic f.nctions of.inf.nite order,since this method does not depend on the growth of.the ***,the idea in this paper can also be applied to the case f.r several variables.

关键词： Uniqueness meromorphic f.nctions dif.erence operators inf.nite order

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