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Efficient guiding and focusing of intense laser pulse using periodic thin slits

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Matter and Radiation at Extremes 2024年第4期9卷 29-39页

作者： l.Xu T.W.huang K.Jiang c.N.Wu h.Peng P.c.hen R.li h.B.Zhuo c.T.Zhou Shenzhen Key laboratory of Ultraintense laser and Advanced Material Technology Center for Intense Laser ApplicationTechnologyand College of Engineering PhysicsShenzhen Technology UniversityShenzhen 518118People’s Republic of China

Slits have been widely used in laser-plasma interactions as plasma optical components for generating high-harmonic light and controlling laser-driven particle ***,we propose and demonstrate that periodic thin slits can be regarded as a new breed of optical elements for efficient focusing and guiding of intense laser *** fundamental physics of intense laser interaction with thin slits is studied,and it is revealed that relativistic effects can lead to enhanced laser focusing far beyond the pure diffractive focusing *** addition,the interaction of an intense laser pulse with periodic thin slits makes it feasible to achieve multifold enhancement in both laser intensity and energy transfer efficiency compared with conventional *** results provide a novel method for manipulating ultra-intense laser pulses and should be of interest for many laser-based applications.

关键词： laser pulse intense

cr-induced fusion reactions to synthesize superheavy elements

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Nuclear Science and Techniques 2024年第5期35卷 122-130页

作者： S.Madhu h.c.Manjunatha N.Sowmya B.M.Rajesh l.Seenappa R.S.Susheela Department of Physics R V College of EngineeringBangalore 560074India Visvesvaraya Technological University BelagaviKarnataka 590018India Department of Physics Government First Grade CollegeSrinivasapurKarnataka 563135India Department of Physics Government First Grade CollegeDevanahallyKarnataka 562110India Department of Physics Government First Grade CollegeMulbagalKarnataka 563131India Department of Physics Government First Grade collegeNanjangudOoty RoadMysore 571301India

We investigated ^(50,52-54)cr-induced fusion reactions for the synthesis of the superheavy element in the 104≤Z≤122 *** cross sections produced in this investigation using ^(54)cr projectiles were compared with those obtained in prior *** estimated cross sections from this analysis are consistent with the findings of prior *** the current study,the predicted cross section was found to be 42fb at 236 MeV for ^(53)cr+^(243)Am,23.2 fb at 236 MeV for ^(54)cr+^(247)cm,95.6 fb at 240 MeV for ^(53)cr+248Bk,and 1.33 fb at 242 MeV for ^(53)cr+***,these projected cross sections with excitation energy and beam energy will be useful in future cr-induced fusion reaction investigations.

关键词： Fusion cross sections compound nucleus formation probability Survival probability Evaporation residue cross sections

Empirical model for fusion cross sections of ca-induced reactions

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chinese Physics c 2024年第3期48卷 126-132页

作者： Reddi Rani.l N.Sowmya K.N Sridhar h c.Manjunatha M.M.Armstrong Arasu Department of Physics St.Joseph's College(Autonomous)Affiliated to Bharathidasan UniversityTiruchirappalli620002TNIndia Department of Physics Govt.First.Grade CollegeChikkaballapur-562101KarnatakaIndia Department of Physics Govt.First.Grade CollegeMalur-563160KarnatakaIndia Department of Physics Govt.First.Grade CollegeDevanahalli-562110KarnatakaIndia

A new empirical formula for the astrophysical S-factor has been suggested as a function of the coulomb interaction parameter,center of mass energy,and barrier *** 22 fusion reactions with ^(40,48)ca as projectiles were considered for different targets,leading to compound nuclei with atomic and mass numbers varying between 40≤Z≤≤Z≤112 and 88≤A≤27888≤A≤278,*** fusion cross-sections have been estimated using the geometric factor,the Gamow-Sommerfield factor,and the empirical formula for the *** study's findings showed better agreement with those of available experiments when compared to Wong's *** present work leads to a smaller standard deviation value than Wong's formula when used to correlate the experimental data of calcium-induced fusion ***'s formula provides a good approximation of fusion cross-sections when the center of mass energy is below the fusion barrier when compared to above the fusion barrier.

关键词： fusion cross-sections Wong formula Gamow-Sommerfield-factor Geometric-factor S-factor

cD4^(+)T cells produce IFN-I to license cDc1s for induction of cytotoxic T-cell activity in human tumors

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cellular & Molecular Immunology 2024年第4期21卷 374-392页

作者： Xin lei Daniël c.de Groot Marij J.P.Welters Tom de Wit Ellen Schrama hans van Eenennaam Saskia J.Santegoets Timo Oosenbrug Annemarthe van der Veen Joris l.Vos charlotte l.Zuur Noel F.c.c.de Miranda heinz Jacobs Sjoerd h.van der Burg Jannie Borst Yanling Xiao Department of Immunology Leiden University Medical CenterLeidenThe Netherlands Oncode Institute Leiden University Medical CenterLeidenThe Netherlands Department of Tumor Biology and Immunology The Netherlands Cancer InstituteAmsterdamThe Netherlands Department of Medical Oncology Oncode InstituteLeiden University Medical CenterLeidenThe Netherlands IMMIOS B.V. OssThe Netherlands Division of Medical Oncology The Netherlands Cancer InstituteAmsterdamThe Netherlands Department of Otorhinolaryngology leiden University Medical center LeidenThe Netherlands Department of Pathology Leiden University Medical CenterLeidenThe Netherlands

cD4^(+)T cells can"help"or"license" conventional type 1 dendritic cells(cDc1s)to induce cD8^(+)cytotoxic T lymphocyte(cTl)anticancer responses,as proven in mouse *** recently identified cDc1s with a transcriptomic imprint of cD4^(+)T-cell help,specifically in T-cell-infiltrated human cancers,and these cells were associated with a good prognosis and response to PD-1-targeting ***,we delineate the mechanism of cDc1 licensing by cD4^(+)T cells in *** cD4^(+)T cells produce IFNβvia the STING pathway,which promotes Mhc-I antigen(cross-)presentation by cDc1s and thereby improves their ability to induce cTl anticancer *** cooperation with cD40 ligand(l),IFNβalso optimizes the costimulatory and other functions of cDc1s required for cTl response ***-I-producing cD4^(+)T cells are present in diverse T-cell-infiltrated cancers and likely deliver“help”signals to cTls locally,according to their transcriptomic profile and colocalization with“helped/licensed”cDcs and tumor-reactive cD8^(+)T *** agreement with this scenario,the presence of IFN-I-producing cD4^(+)T cells in the TME is associated with overall survival and the response to PD-1 checkpoint blockade in cancer patients.

关键词： cD4^(+)T-cell help cDc1 licensing IFN-I signaling cD40 costimulation (cross-)presentation cTl priming Tumor control

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

Response Evaluation Using contrast-Enhanced Ultrasound for Unresectable Advanced hepatocellular carcinoma Treated With Tyrosine Kinase Inhibitors Plus Anti-PD-1 Antibody Therapy

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Superior antibody and membrane protein‑specific T‑cell responses to coronaVac by intradermal versus intramuscular routes in adolescents

Ultrasound in Medicine and Biology 2024年第1期50卷 142-149页

作者： Zhao c.-K. Guan X. Pu Y.-Y. Zhou B.-Y. Wang l.-F. Sun Y.-K. Yin h.-h. Xia h.-S. Wang X. han h. Xu h.-X. Department of Ultrasound Zhongshan Hospital Institute of Ultrasound in Medicine and Engineering Fudan University Shanghai China Shanghai Institute of Medical Imaging Shanghai China central laboratory and Department of Medical Ultrasound Sichuan Academy of Medical Sciences Sichuan Provincial People's Hospital University of Electronic Science and Technology of China Chengdu China

Objective: The aim of the work described here was to evaluate the role of contrast-enhanced ultrasound (cEUS) in response evaluation for unresectable advanced hepatocellular carcinoma (hcc) treated with tyrosine kinase inhibitors (TKIs) plus anti-programmed cell death protein-1 (PD-1) antibody therapy. Methods: A prospective cohort of consecutive patients with hcc who received combined TKI/anti-PD-1 antibody treatment for unresectable hcc between January 2022 and October 2022 was included in this study. The patients underwent unenhanced ultrasound (US) and cEUS examinations before treatment and at follow-up. changes in the largest diameters of the target tumor on unenhanced US and the largest diameters of the enhancing target tumors on cEUS were evaluated. Response Evaluation criteria in Solid Tumors (REcIST) version 1.1 with unenhanced US and magnetic resonance imaging/computed tomography (MRI/cT) and modified REcIST (mREcIST) with cEUS and cEMRI/cT were used to assess treatment response. Results: A total of 24 hcc patients (23 men and 1 woman; mean age: 56.5 ± 8.5 y; Barcelona clinic liver cancer stage c, 62.5%; 29 intrahepatic target tumors) were studied. calculations of degree of necrosis in the target tumors revealed no significant differences between cEUS and cEMRI/cT (44.5 ± 36.2% vs. 45.3 ± 36.8%, p = 0.862). As for the differentiation of responders from non-responders, the agreement between REcIST version 1.1 of unenhanced US and mREcIST-cEUS was poor (κ coefficient = 0.233). Meanwhile, there was a high degree of concordance between mREcIST-cEUS and mREcIST-cEMRI/cT (κ coefficient = 0.812). conclusion: cEUS proved to be superior to baseline US and is comparable to cEMRI/cT in defining treatment outcome for combined TKI/anti-PD-1 antibody therapy. © 2023 World Federation for Ultrasound in Medicine & Biology

关键词： Anti-angiogenic therapy Anti-PD-1 antibody contrast-enhanced ultrasound hepatocellular carcinoma

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World Journal of Pediatrics 2024年第4期20卷 353-370页

作者： Jaime S.Rosa Duque Samuel M.S.cheng carolyn A.cohen Daniel leung Xiwei Wang Xiaofeng Mu Yuet chung Tsun Ming lau Manni Wang Wenyue Zhang Yanmei Zhang howard h.W.Wong leo c.h.Tsang Sara chaothai Tsz chun Kwan John K.c.li Karl c.K.chan leo l.h.luk Jenson c.h.ho Wing Yan li Amos M.T.lee Jennifer h.Y.lam Sau Man chan Wilfred h.S.Wong Issan Y.S.Tam Masashi Mori Sophie A.Valkenburg Malik Peiris Wenwei Tu Yu lung lau Department of Paediatrics and Adolescent Medicine The University of Hong KongHong KongChina School of Public health The University of Hong KongHong KongChina hKU‑Pasteur Research Pole School of Public HealthThe University of Hong KongHong KongChina Research Institute for Bioresources and Biotechnology Ishikawa Prefectural UniversityNonoichiJapan Department of Microbiology and Immunology Peter Doherty Institute for Infectionand ImmunityUniversity of MelbourneMelbourneVICAustralia center for Immunology and Infection c2i Hong KongChina

Background Optimising the immunogenicity of cOVID-19 vaccines to improve their protection against disease is *** dosing by intradermal(ID)administration has been shown to be equally immunogenic as intramuscular(IM)administration for several vaccines,but the immunogenicity of ID inactivated whole severe acute respiratory syndrome coronavirus 2(SARS-coV-2)at the full dose is *** study(NcT04800133)investigated the superiority of antibody and T-cell responses of full-dose coronaVac by ID over IM administration in *** Participants aged 11–17 years received two doses of IM or ID vaccine,followed by the 3rd dose 13–42 days *** and cellular immunogenicity outcomes were measured post-dose 2(IM-cc versus ID-cc)and post-dose 3(IMccc versus ID-ccc).Doses 2 and 3 were administered to 173 and 104 adolescents,*** Spike protein(S)immunoglobulin G(IgG),S-receptor-binding domain(RBD)IgG,S IgG Fcγreceptor IIIa(FcγRIIIa)-binding,SNM[sum of individual(S),nucleocapsid protein(N),and membrane protein(M)peptide pool]-specific interleukin-2(Il-2)+cD4^(+),SNM-specific Il-2^(+)cD8^(+),S-specific Il-2^(+)cD8^(+),N-specific Il-2^(+)cD4^(+),N-specific Il-2^(+)cD8^(+)and M-specific Il-2^(+)cD4^(+)responses fulfilled the superior and non-inferior criteria for ID-cc compared to IM-cc,whereas IgG avidity was *** ID-ccc,S-RBD IgG,surrogate virus neutralisation test,90%plaque reduction neutralisation titre(PRNT90),PRNT50,S IgG avidity,S IgG FcγRIIIa-binding,M-specific Il-2^(+)cD4^(+),interferon-γ+cD8^(+)and Il-2^(+)cD8^(+)responses were superior and non-inferior to *** estimated vaccine efficacies were 49%,52%,66%and 79%for IM-cc,ID-cc,IM-ccc and ID-ccc,*** ID groups reported more local,mild adverse *** This is the first study to demonstrate superior antibody and M-specific T-cell responses by ID inactivated SARScoV-2 vaccination and serves as the basis for future research to improve the

关键词： coronaVac coronavirus disease 2019 Immunity Intradermal Vaccine

crystal structure and luminescence dynamics of highly pure liM(PO_(3))_(3):Eu^(3+)(M=Sr,ca) red phosphors for white light emitting diodes

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Journal of Rare Earths 2024年第8期42卷 1470-1478,I0002页

作者： Payal Khajuria M.Manhas A.K.Bedyal Ankush Vij h.c.Swart Vinay Kumar Department of Physics and Astronomical Sciences Central University of JammuRahy-Suchani.Samba1143J&KIndia Department of Physics School of SciencesCluster University of JammuCanal RoadJammu180001India Department of Physics University of Petroleum and Energy StudiesDehradunUttarakhand248007India Department of Physics University of the Free StatePO.Box 339BloemfonteinZA 9300South Africa

highly pure red phosphors liM(PO_(3))_(3):Eu^(3+)(M=Sr,ca) doped with Eu^(3+)(1 mol%) were synthesized via solution combustion method and their crystal structure and luminescence dynamics were studied to explore its suitability in white light emitting *** Rietveld refinement analysis of the powder Xray diffraction patterns reveals that the phosphors belong to the pure triclinic phase of liSr(PO_(3))_(3) and lica(PO_(3)) with space group P-1(2).The scanning electron microscopy images showed the agglomerated *** photoluminescence emission spectra under 393 nm show an orange band at 594 nm and a red band at 613 nm ascribed to ^(5)D_(0)→^(7)F_(1).^(5)D_(0)→^(7)F_(2) transitions of Eu^(3+)ion in both the ***,the spectroscopic properties such as luminescence behaviour,and Stark splitting were used to examine the symmetry of Eu^(3+)ions in liM(PO_(3))_(3):Es^(3+)(M=Sr,ca) phosphors in terms of distortion induced upon *** Stark splitting shows that the actual site symmetry for Eu^(3+)ion was estimated to be D_(2) type for both *** photometric properties of lica(PO_(3))_(3):Eu^(3+)such as commission International de l'Eclairage coordinates(x=0.64,y=0.36) near to the standard one(red),high color purity(95%) and higher brightness reveal that the phosphor has the capability of acting as a red component in n-UV white light emitting diodes.

关键词： Photoluminescence Phosphate WlEDs Stark splitting Rare earths

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