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Exploring one material for dual applications:A red-emitting Mg_(2)GeO_(4):Eu^(3+)nanophosphor for future generation energy efficient WlEDs and dosimetric applications

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Journal of rare Earths 2024年第10期42卷 1835-1845页

作者： Akshay Arjun G.P.Darshan s.C.sharma H.Nagabhushana D.V.sunitha H.B.Premkumar Department of Physics Faculty of Mathematical and Physical SciencesM.S.Ramaiah University of Applied SciencesBengaluru560054India Honorary Professor of law and Forensic Materials Jain UniversityBengaluru560069India C.N.r.rao Centre for Advanced Materials Tumkur UniversityTumkur572103India school of Applied sciences(Physics) REVA UniversityBengaluru560064India

The envisaged design and developme nt of individual mate rials to excavate a broader spectrum of desired properties and offer multiple applications are highly *** this in mind,a series of forsterite-structured Mg_(2)GeO_(4):Eu^(3+)(1 mol%-9 mol%)nanophosphors was synthesized via a solution combustion method using oxalyl dihydrazide as a *** X-ray diffraction patterns confirm the orthorhombic crystal system with a Puma space *** results clearly show irregularly shaped cluster-like structures with aggregation of the *** diffuse reflectance spectra,the optical energy band gap of the Mg_(2)GeO_(4):Eu^(3+)(1 mol%-9 mol%)nanophosphors was estimated and obtained to be~4.12-4.32 *** photoluminescence emission spectra exhibit intense peaks at^(5)79,589,610,661,and 707 nm,which are due to characteristic^(5)D_(0)→^(7)F_(0),^(5)D_(0)→^(7)F_(1),^(5)Do→^(7)F_(2),^(5)D_(0)→^(7)F_(3)and^(5)D_(0)→^(7)F_(4)transitions of Eu^(3+)ions,*** Commission International de l'Eclairage color coordinates are gradually tuned from pale red(0.5980,0.4012)to a pure red(0.6385,0.3611)*** glow peaks showcase excellent super-linear response at low doses ofγ-irradiations,indicating that the prepared phosphor can be used in thermoluminescent personal dosimetry which is a biological tissue *** aforementioned results demonstrate that the prepared Mg_(2)GeO_(4):Eu^(3+)(1 mol%-9 mol%)nanophosphors are considered an excellent candidate for dual applications,i.e.,red component in future generation white-light-emitting diodes(WlEDs)and personal dosimetric applications.

关键词： Nanophosphors Photoluminescence Thermoluminescence Dosimetry Photometric properties rare earths

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Interindividual Age-Independent Differences in Human CX43 Impact Ventricular Arrhythmic risk

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research 2024年第3期6卷 417-432页

作者： laura García-Mendívil María Pérez-Zabalza Antoni Oliver-Gelabert JoséMaría Vallejo-Gil Javier Fañanás-Mastral Manuel Vázquez-sancho Javier AndréBellido-Morales Alexánder sebastián Vaca-Núñez Carlos Ballester-Cuenca Emiliano Diez laura Ordovás Esther Pueyo Biomedical signal Interpretation and Computational simulation group(BsICos) Aragón Institute of Engineering ResearchUniversity of ZaragozaZaragoza 50018Spain BsICos Instituto de Investigación Sanitaria Aragón(IISA)Zaragoza 50018Spain Centro Universitario de la Defensa(CUD) Zaragoza 50090Spain. Department of Cardiovascular surgery University Hospital Miguel ServetZaragoza 50009Spain. Institute of Experimental Medicine and Biology of Cuyo(IMBECU) CONICETMendoza 5500Argentina. Fundación Agencia Aragonesa para la Investigación y el Desarrollo(ArAID) Zaragoza 50018Spain. Biomedical research Networking Center in Bioengineering Biomaterials and Nanomedicine(CIBER-BBN)Zaragoza 50018Spain.

Connexin 43 (CX43) is one of the major components of gap junctions, the structures responsible for the intercellular communication and transmission of the electrical impulse in the left ventricle. There is limited information on the histological changes of CX43 with age and their effect on electrophysiology, especially in humans. Here, we analyzed left ventricular biopsies from living donors starting at midlife to characterize age-related CX43 remodeling. We assessed its quantity, degree of lateralization, and spatial heterogeneity together with fibrotic deposition. We observed no significant age-related remodeling of CX43. Only spatial heterogeneity increased slightly with age, and this increase was better explained by biological age than by chronological age. Importantly, we found that CX43 features varied considerably among individuals in our population with no relevant relationship to age or fibrosis content, in contrast to animal species. We used our experimental results to feed computational models of human ventricular electrophysiology and to assess the effects of interindividual differences in specific features of CX43 and fibrosis on conduction velocity, action potential duration, and arrhythmogenicity. We found that larger amounts of fibrosis were associated with the highest arrhythmic risk, with this risk being increased when fibrosis deposition was combined with a reduction in CX43 amount and/or with an increase in CX43 spatial heterogeneity. These mechanisms underlying high arrhythmic risk in some individuals were not associated with age in our study population. In conclusion, our data rule out CX43 remodeling as an age-related arrhythmic substrate in the population beyond midlife, but highlight its potential as a proarrhythmic factor at the individual level, especially when combined with increased fibrosis.

关键词： CX43 rhythm Independent

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The secondary injury cascade after spinal cord injury:an analysis of local cytokine/chemokine regulation

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Neural regeneration research 2024年第6期19卷 1308-1317页

作者： Daniel J.Hellenbrand Charles M.Quinn Zachariah J.Piper ryan T.Elder raveena r.Mishra Taylor l.Marti Phoebe M.Omuro rylie M.roddick Jae sung lee William l.Murphy Amgad s.Hanna Department of Neurosurgery University of Wisconsin-Madison School of Medicine and Public HealthMadisonWIUSA Department of Biomedical Engineering University of Wisconsin-MadisonMadisonWIUSA Department of Orthopedics and rehabilitation University of Wisconsin-MadisonMadisonWIUSA Department of Materials science and Engineering University of Wisconsin-MadisonMadisonWIUSA Forward BIO Institute University of Wisconsin-MadisonMadisonWIUSA

After spinal cord injury,there is an extensive infiltration of immune cells,which exacerbates the injury and leads to further neural ***,a major aim of current research involves targeting the immune response as a treatment for spinal cord *** much research has been performed analyzing the complex inflammatory process following spinal cord injury,there remain major discrepancies within previous literature regarding the timeline of local cytokine *** objectives of this study were to establish an overview of the timeline of cytokine regulation for 2 weeks after spinal cord injury,identify sexual dimorphisms in terms of cytokine levels,and determine local cytokines that significantly change based on the severity of spinal cord *** were inflicted with either a mild contusion,moderate contusion,severe contusion,or complete transection,7 mm of spinal cord centered on the injury was harvested at varying times post-injury,and tissue homogenates were analyzed with a Cytokine/Chemokine 27-Plex *** demonstrated pro-inflammatory cytokines including tumor necrosis factorα,interleukin-1β,and interleukin-6 were all upregulated after spinal cord injury,but returned to uninjured levels within approximately 24 hours post-injury,while chemokines including monocyte chemoattractant protein-1 remained upregulated for days *** contrast,several anti-inflammatory cytokines and growth factors including interleukin-10 and vascular endothelial growth factor were downregulated by 7 days *** spinal cord injury,tissue inhibitor of metalloproteinase-1,which specifically affects astrocytes involved in glial scar development,increased more than all other cytokines tested,reaching 26.9-fold higher than uninjured *** a mild injury,11 cytokines demonstrated sexual dimorphisms;however,after a severe contusion only leptin levels were different between female and male *** conclusion,pro-inflammatory cytokines in

关键词： astrocytes chemokines cytokines inflammation macrophages microglia secondary damage spinal cord injury

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Improving cycling performance of the NaNiO_(2)cathode in sodium-ion batteries by titanium substitution

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Materials Futures 2024年第3期3卷 132-147页

作者： siyu An leonhard Karger sören l Dreyer Yang Hu Eduardo Barbosa ruizhuo Zhang Jing lin Maximilian Fichtner Aleksandr Kondrakov Jürgen Janek Torsten Brezesinski Battery and Electrochemistry laboratory(BEllA) Institute of NanotechnologyKarlsruhe Institute of Technology(KIT)Kaiserstr.1276131 KarlsruheGermany Helmholtz Institute Ulm(HIU)Electrochemical Energy storage Helmholtzstr.1189081 UlmGermany BAsF sE Carl-Bosch-Str.3867056 LudwigshafenGermany Institute of Physical Chemistry&Center for Materials research(ZfM/laMa) Justus-Liebig-University GiessenHeinrich-Buff-Ring 1735392 GiessenGermany

O3-type layered oxide cathodes,such as NaNi_(0.5)Mn_(0.5)O_(2),have garnered significant attention due to their high theoretical specific capacity while using abundant and low-cost sodium as intercalation *** the lithium analog(liNiO_(2)),NaNiO_(2)(NNO)exhibits poor electrochemical performance resulting from structural instability and inferior Coulomb *** enhance its cyclability for practical application,NNO was modified by titanium substitution to yield the O3-type NaNi_(0.9)Ti_(0.1)O_(2)(NNTO),which was successfully synthesized for the first time via a solid-state *** mechanism behind its superior performance in comparison to that of similar materials is examined in detail using a variety of characterization *** delivers a specific discharge capacity of∼190 mAh g^(−1)and exhibits good reversibility,even in the presence of multiple phase transitions during cycling in a potential window of 2.0−4.2 V ***^(+)/*** behavior can be attributed to the substituent,which helps maintain a larger interslab distance in the Na-deficient phases and to mitigate Jahn–Teller activity by reducing the average oxidation state of ***,volume collapse at high potentials and irreversible lattice oxygen loss are still detrimental to the ***,the performance can be further enhanced through coating and doping *** not only positions NNTO as a promising next-generation cathode material,but also serves as inspiration for future research directions in the field of high-energy-density Na-ion batteries.

关键词： Ni-rich layered oxide cathode material substitution doping electro-chemo-mechanical degradation Na-ion battery

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HVOF-sprayed HAp/s53P4 BG composite coatings on an AZ31 alloy for potential applications in temporary implants

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Journal of Magnesium and Alloys 2024年第1期12卷 345-360页

作者： Carlos A.Poblano-salas John Henao Astrid l.Giraldo-Betancur paola Forero-sossa Diego German Espinosa-Arbelaez Jorge A.González-sánchez luis r.Dzib-Pérez susana T.Estrada-Moo Idelfonso E.Pech-Pech CIATEQ A.C. Av.Manantiales 23-AParque Industrial Bernardo QuintanaEl MarquésQuerétaro 76246Mexico CONAHCYT-CIATEQ A.C. Av.Manantiales 23-AParque Industrial Bernardo QuintanaEl MarquésQuerétaro 76246Mexico CONAHCYT-Cinvestav Libramiento Norponiente#2000.Fraccionamiento Real de JuriquillaQuerétaro 76230Mexico Universidad Tecnológica de Querétaro Av.Pie de la Cuesta N°2501Querétaro 76148Mexico CIDEsI Av.Playa Pie de la Cuesta No 702Col.San PabloQuerétaro 76125Mexico Center for Corrosion research Autonomous University of CampecheAv.Héroe de Nacozari No.480P.C.24070San Francisco de CampecheCam.Mexico

Bioactive thermal spray coatings produced via high-velocity oxygen fuel spray(HVOF)from hydroxyapatite(HAp)and bioactive glasses(BG)have the potential to be employed on temporary implants due to the ability of both HAp and BG to dissolve and promote osseointegration,considering that both phases have different reaction and dissolution rates under in-vitro *** the present work,75%***-25%wt.s53P4 bioactive glass powders were HVOF-sprayed to obtain HAp/s53P4 BG composite coatings on a bioresorbable AZ31 *** study is focused on exploring the effect of the stand-off distance and fuel/oxygen ratio variation as HVOF parameters to obtain stable structural coatings and to establish their effect on the phases and microstructure produced in those *** characterization techniques,such as scanning electron microscopy,X-ray diffraction,and Fourier transform infrared spectroscopy,were employed to characterize relevant structural and microstructural properties of the composite *** results showed that thermal gradients during coating deposition must be managed to avoid delamination due to the high temperature achieved(max 550℃)and the differences in coefficients of thermal *** was also found that both spraying distance and oxygen/fuel ratio allowed to keep the hydroxyapatite as the main phase in the *** addition,in-vitro electrochemical studies were performed on the obtained HAp/s53P4 BG composite coatings and compared against the uncoated AZ31 *** results showed a significant decrease in hydrogen evolution(at least 98%)when the bioactive coating was applied on the Mg alloy during evaluation in simulated body fluid(sBF).

关键词： Coatings Composites Thermal spray Temporary implants Hydrogen evolution

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Highly enhanced UV absorption and light emission of monolayer Ws_(2)through hybridization with Ti_(2)N MXene quantum dots and g-C_(3)N_(4)quantum dots

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Opto-Electronic Advances 2024年第6期7卷 31-39页

作者： Anir s.sharbirin rebekah E.Kong Wendy B.Mato Trang Thu Tran Eunji lee Jolene W.P.Khor Afrizal l.Fadli Jeongyong Kim Department of Energy science Sungkyunkwan UniversitySuwon 16419Republic of Korea

Two-dimensional(2D)transition metal dichalcogenides(TMD)are atomically thin semiconductors with promising optoelectronic applications across the visible ***,their intrinsically weak light absorption and the low photoluminescence quantum yield(PlQY)restrict their performance and potential use,especially in ultraviolet(UV)wavelength light *** dots(QD)derived from 2D materials(2D/QD)provide efficient light absorption and emission of which energy can be tuned for desirable light *** this study,we greatly enhanced the photon absorption and PlQY of monolayer(1l)tungsten disulfide(Ws_(2))in the UV range via hybridization with 2D/QD,particularly titanium nitride MXene QD(Ti_(2)N MQD)and graphitic carbon nitride QD(GCNQD).With the hybridization of MQD or GCNQD,1lWs_(2)showed a maximum Pl enhancement by 15 times with 300 nm wavelength excitation,while no noticeable enhancement was observed when the excitation photon energy was less than the bandgap of the QD,indicating that UV absorption by the QD played a crucial role in enhancing the light emission of 1l-Ws_(2)in our 0D/2D hybrid *** findings present a convenient method for enhancing the photo-response of 1l-Ws_(2)to UV light and offer exciting possibilities for harvesting UV energy using 1l-TMD.

关键词： monolayer TMD Ws_(2) 2D-derived quantum dots UV absorption energy transfer

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Tracking the Ti^(4+)substitution in phlogopite by spectroscopic imaging:A tool for unravelling the growth of micas at HP-HT conditions

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Geoscience Frontiers 2024年第3期15卷 1-13页

作者： G.Della Ventura N.El Moutaouakkil B.Boukili s.Bernardini A.sodo l.Pronti M.Cestelli-Guidi F.Holtz F.lucci Dipartimento di scienze UniversitàRoma TreRomaItaly INFN-lNF via Fermi 200040 FrascatiRomaItaly INGV Via di Vigna Murata 60500143 RomaItaly laboratory of Géosciences Water and Environment.Department of Earth Sciences.Faculty of SciencesUniversity Mohammed VRabatMorocco leibnitz Universität Hannover Institute of MineralogyCallinstr 330167 HannoverGermany Dipartimento di scienze della Terra e Geoambientali Universitàdi Bari“Aldo Moro”BariItaly

Phlogopite solid-solutions have a wide pressure-temperature(P-T)stability field and are ubiquitous in a wide variety of geological settings,from deep lithosphere magmatic environments to upper crust metamorphic *** composition represents therefore a valuable physical-chemical archive and may provide important information regarding its crystallization and the petrogenesis of the *** this paper we examine the phlogopite phenocrysts from the well-known Fort regent mica-bearing lamprophyre minette from ***(Island of Jersey,UK).Phlogopite phenocrystals from lamprophyres generally show normal-step and continuous compositional zoning,however those from the Fort regent minette show a peculiar texture characterized by dark brown high-Ti(average TiO_(2)≈8.5 wt.%)cores enveloped by euhedral low-to mid-amplitude zonation due to oscillatory contents in Ti,Fe and ***-barometry modelling based on biotite-only composition yields relatively high P-T estimates(T≈970±54℃at P≈0.73±0.13 Gpa)for cores whereas lower values(T≈790±54℃at P≈0.29±0.13 Gpa)are obtained for the outer *** temperatures(T≈1075±54℃)but extremely high and anomalous pressure values(P≈1.82±0.13 Gpa)are obtained for the yellowish inner *** combination of electron micro probe(EMP)analysis and single-crystal infra-red(FTIr)imaging in the OH-stretching region shows that the exceptional and oscillatory Ti contents are due to the Ti-vacancy substitution,typical of crystallization and growth processes of HP/HT *** imaging provides additional insight for this process,confirming the dominant dioctahedral nature for the Ti-Fe-rich cores and outer *** of thermobaric estimates obtained from the phlogopite compositiononly model,based on the fine-scale compositional evolution,shows that pressure-temperature values from low-Ti high-Mg domains should be carefully evaluated because the substitution mechanisms during the dark mica growth are not univocal

关键词： Ti-phlogopite Jersey minette(UK) Ti-substitution FTIr imaging raman imaging Thermobarometric modelling

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Production of Artificial Fog in the paVIN Fog and rain Platform: In search of Big Droplets Fog

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Atmospheric and Climate sciences 2024年第1期14卷 42-61页

作者： Pierre Duthon Mickaël Ferreira Fernandes sébastien liandrat Cerema Reasearch Team STI 8-10 Rue Bernard Palissy Clermont-Ferrand France

In fog, visibility is reduced. This reduction in visibility is measured by the meteorological optical range (MOr), which is important for studying human perception and various sensors in foggy conditions. The Cerema paVIN Fog & rain platform is capable of producing calibrated fog in order to better analyses it and understand its consequences. The problem is that the droplets produced by the platform are not large enough to resemble real fog. This can have a major impact on measurements since the interaction between electromagnetic waves and fog depends on the wavelength and diameter of the droplets. To remedy this, Cerema is building a new platform with new equipment capable of generating fog. This study analyses different nozzles and associated usage parameters such as the type of water used and the pressure used. The aim is to select the best nozzle with the associated parameters for producing large-diameter droplets and therefore more realistic fog.

关键词： Fog Physical simulation Droplets size Distribution Meteorological Optical range

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A facile strategy for tuning the density of surface-grafted biomolecules for melt extrusion-based additive manufacturing applications

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Bio-Design and Manufacturing 2024年第3期7卷 277-291页

作者： I.A.O.Beeren G.Dos santos P.J.Dijkstra C.Mota J.Bauer H.Ferreira rui l.reis N.Neves s.Camarero-Espinosa M.B.Baker l.Moroni Department of Complex Tissue regeneration MERLN Institute for Technology-Inspired Regenerative MedicineMaastricht University6229 ER MaastrichtThe Netherlands 3B’s research Group I3Bs–Research Institute on BiomaterialsBiodegradables and BiomimeticsHeadquarters of the European Institute of Excellence on Tissue Engineering and Regenerative MedicineUniversity of MinhoAveParkZona Industrial da Gandra4805-017 BarcoGuimarãesPortugal ICVs/3B’s-PT Government Associate laboratory 4806-909 Braga/GuimarãesPortugal POlYMAT University of the Basque Country UPV/EHU20018 Donostia/San SebastiánSpain IKErBAsQUE Basque Foundation for Science48009 BilbaoSpain

Melt extrusion-based additive manufacturing(ME-AM)is a promising technique to fabricate porous scaffolds for tissue engi-neering ***,most synthetic semicrystalline polymers do not possess the intrinsic biological activity required to control cell *** of biomolecules on polymeric surfaces of AM scaffolds enhances the bioactivity of a construct;however,there are limited strategies available to control the surface ***,we report a strategy to tune the surface density of bioactive groups by blending a low molecular weight poly(ε-caprolactone)5k(PCl5k)containing orthogonally reactive azide groups with an unfunctionalized high molecular weight PCl75k at different *** porous three-dimensional(3D)scaf-folds were then fabricated using a high weight percentage(75 wt.%)of the low molecular weight PCl *** a proof-of-concept test,we prepared films of three different mass ratios of low and high molecular weight polymers with a thermopress and reacted with an alkynated fluorescent model compound on the surface,yielding a density of 201-561 pmol/cm^(2).subsequently,a bone morphogenetic protein 2(BMP-2)-derived peptide was grafted onto the films comprising different blend compositions,and the effect of peptide surface density on the osteogenic differentiation of human mesenchymal stromal cells(hMsCs)was *** two weeks of culturing in a basic medium,cells expressed higher levels of BMP receptor II(BMPrII)on films with the conjugated *** addition,we found that alkaline phosphatase activity was only significantly enhanced on films contain-ing the highest peptide density(i.e.,561 pmol/cm^(2)),indicating the importance of the surface *** together,these results emphasize that the density of surface peptides on cell differentiation must be considered at the cell-material ***,we have presented a viable strategy for ME-AM community that desires to tune the bulk and surface functionality via blending of(m

关键词： Additive manufacturing Blending surface functionalization surface density Click chemistry Human

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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 facility(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 that of the presentτ-charm factory—the BEPCII,providing a unique platform for 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

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