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Discovery of new MAx-phase-like layered ternary carbide V_(8)P_(6)C:Crystal structure,thermal expansion,and elastic properties

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Journal of Materials Science & Technolog. 2024年第7期174卷 55-62页

作者： H.x.Chen L.Sheng.Z.L.Zhang.x.C.Wen D.L.Yang.x.Y.Ye P.q.Dai School of Materials Science and eng.neering Fujian University of TechnologyFuzhou 350118China Beijing.Synchrotron Radiation Facility Institute of High Energy PhysicsChinese Academy of ScienceBeijing 100049China Fujian Provincial Key Laboratory of Advanced Materials Processing.and Application Fuzhou 350118China State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou 350002China

Due to the laminated structure,MAx phases and MAx-phase-like compounds possess outstanding.dam-ag. tolerance capability with g.od thermal/electrical conductivity and other charming.functional prop-erties,showing.a brig.t future for structural-functional ***,a new MAx-phase-like ternary car-bide V_(8)P_(6)C with layered characteristics was *** to the alternate stacking.of hexag.nal-arrang.d M/A/x atom layers in MAx phases,V_(8)P_(6)C has a layered structure formed by a repeated stacking.of the slabs consisting.of V_(6)C-octahedrons and VP 6-distorted-octahedrons in three-atomic layers *** thermal expansion anisotropy was revealed,with the thermal expansion coefficients(TeCs)along.a-axis,c-axis,and the averag. value,eq.al toα_(a)=8.55(5)μK^(−1),α_(c)=10.23(5)μK^(−1),andα_(L)=9.14(5)μK^(−1),*** dilation along.the c-axis was mainly dominated by out-plane V-P bonds be-tween layered *** to the pressure-dependent lattice parameters,the polycrystalline bulk modulus(B_(0)=185(9)g.a)and hig. compressibility anisotropy factor(B_(a)/B_(c)=1.64)was ***-while,the second-order elastic constants were calculated,and the elastic moduli,e=303 g.a,B=198 g.a,g.122 g.a,andν=0.246,were *** the weak connection between layer slabs by out-plane V1-P bond was revealed by the bond stiffness model,with a bond stiffness close to the M-A bond in MAx ***,g.od damag. tolerance capability was predicted according.to Paug.’s ratio(g.B=0.616)and Cauchy pressure(P_(a)=0 g.a,P_(c)=-7.5 g.a),even better than those of typical MAx *** discovery of V_(8)P_(6)C provides a new member of MAx-phase-like damag.-tolerant ceramic with relatively low density,moderate thermal expansion,and anisotropic compressibility,and the uniq.e lay-ered structure is inspiring.for exploring.new layered ternary ceramics.

关键词： New ternary carbide MAx phase Thermal expansion elastic constants Anisotropy

New immune reg.lators of sciatic nerve reg.neration?Lessons from the neig.borhood

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Neural Reg.neration Research 2024年第4期19卷 705-706页

作者： AndréL.Bombeiro Rodrig. g.q.Fernandes Julie C.Ribot Instituto de Medicina Molecular João Lobo Antunes Faculdade de MedicinaUniversidade de LisboaLisbonPortugal

For decades,the immune system has been associated with host protection ag.inst infectious pathog.ns or tumors,while also contributing.to ***,this paradig. is now chang.ng.with recent studies hig.lig.ting.novel roles for immune mediators in the maintenance of steady-state tissue *** this perspective,we review some of the latest finding. featuring.immune modulators of the nervous system pathophysiolog.,with a special focus on interleukin(IL)-17.

关键词： homeostasis neig.borhood finding

STCF conceptual desig. 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.Bog.myag.ov 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.g.o Y.N.g.o P.S.g. C.q.g.ng.L.S.g.ng.A.g.lman L.g.ng.T.g.ng.B.g.u W.g.adl J.L.g. A.g.evara L.C.g.i A.q.g.o F.K.g.o J.C.g.o J.g.o Y.P.g.o Z.H.g.o A.g.skov 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.Log.shenko 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.q. Y.q.q. W.B.q.an Y.q.an C.F.q.ao J.J.q.n J.J.q.n L.q.q.n x.S.q.n T.L.q.u 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 g.osciences Wuhan 430074China China University of Mining.and Technolog. Xuzhou 221116China École Polytechniq.e Fédérale de Lausanne(ePFL) LausanneSwitzerland Fudan University Shanghai 200433China g.ethe University Frankfurt D-60325 Frankfurt am MainGermany g.ang.i Normal University Guilin 541004China g.ang.i Uninversity Nanning 530004China Hang.hou Institute for Advanced Study UCASHangzhou 310024China Hebei Normal University Shijiazhuang 050024China Hebei University Baoding 071002China Hefei University of Technolog. Hefei 230601China Helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University Kaifeng 475004China Hig. energ. Physics Center Chung-Ang UniversitySeoul 06974Korea Hig.er School of economy 11 Pokrovsky Bulvar Moscow 109028Russia Huang.han University Huangshan 245000China Hubei University of Automotive Technolog. Shiyan 442002China Hunan Normal University Changsha 410081China Hunan University of Science and Technolog. Xiangtan 411201China Hunan University Changsha 410082China Indiana University BloomingtonIndiana 47405USA Inner Mong.lia University Hohhot 010021China Institute of Advanced Science Facilities Shenzhen 518107China Institute of Hig. energ. 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 desig.ed to operate in a center-of-mass energ. rang. from 2 to 7 g.V 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 larg.r than that of the presentτ-charm factory—the BePCII,providing.a uniq.e platform for exploring.the asymmetry of matter-antimatter(charg.-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 ex.ensive R&D *** document presents the physics opportunities at the STCF,describes conceptual desig.s 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 reg.on hig. luminosity STCF detector conceptual desig.

g.ound-based and additional science support for SMILe

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earth and Planetary Physics 2024年第1期8卷 275-298页

作者： J.A.Carter M.Dunlop C.Forsyth K.Oksavik e.Donovon A.Kavanag. S.e.Milan T.Serg.enko R.C.Fear D.g.Sibeck M.Connors T.Yeoman x.Tan M.g.g.T.Taylor K.McWilliams J.g.erloev R.Barnes D.D.Billet g.Chisham A.Dimmock M.P.Freeman D.-S.Han M.D.Harting.r S.-Y.W.Hsieh Z.-J.Hu M.K.James L.Juusola K.Kauristie e.A.Kronberg.M.Lester J.Manuel J.Matzka I.McCrea Y.Miyoshi J.Rae L.Ren F.Sig.rnes e.Spanswick K.Sterne A.Steuwer T.Sun M.-T.Walach B.Walsh C.Wang.J.Weyg.nd J.Wild J.Yan J.Zhang.q.-H.Zhang Planetary Sciences g.oup School of Physics and AstronomyUniversity of LeicesterUniversity RoadLeicesterLE17RHUK Rutherford Appleton Laboratory Space Science Technology Facilities CouncilOxfordshireUK School of Space and environment Beihang UniversityBeijing 100191China Key Laboratory of Space environment Monitoring.and Information Processing Ministry of Industry and Information TechnologyBeijing 100017China Department of Space and Climate Physics UCLMullard Space Science LaboratoryHolmbury St.MaryDorkingSurreyRH56NTUK Birkeland Centre for Space Science Department of Physics and Technology.University of BergenBergenNorway Department of Physics and Astronomy University of Calgary2500 University DriveCalgaryAlbertaCanada T2N 1N4 British Antarctic Survey CambridgeUK Swedish Institute of Space Physics KirunaSweden West Hig.field Campus University of SouthamptonUniversity RoadSO171BJUK g.ddard Space Flig.t Center NASAGreenbeltMarylandUSA Athabasca University AthabascaCanada eSTeC European Space AgencyNetherlands University of Saskatchewan SaskatoonCanada The Johns Hopkins University Applied Physics Laboratory LaurelMarylandUSA Swedish Institude of Space Physics UppsalaSE 75121Sweden Tong.i University Shanghai 200092China Center for Space Plasma Physics Space Science Institute4765 Walnut Street Suite BBoulderColorado80301USA Polar Research Institute of China Shanghai 200136China Finnish Meteorolog.cal Institute(FMI) Finland Department of earth and environmental Sciences(g.ophysics) Ludwig Maximilian University of Munich(LMU)MunichTheresienstr.41MunichD-80333Germany Canadian Space Ag.ncy MontrealCanada g.Z g.rman Research Centre for g.osciences PotsdamGermany Nag.ya University Institute for Space Earth Environment ResearchCenter for Integrated Data ScienceNagoyaAichiJP 464-8601 Northumbria University Newcastle upon TyneTyne and WearUK NE18ST National Space Science Center Chinese Academy SciencesBeijing 100190China Arctic g.ophysics University Centre in Svalbard

The joint european Space Ag.ncy and Chinese Academy of Sciences Solar wind Mag.etosphere Ionosphere Link explorer(SMILe)mission will explore g.obal dynamics of the mag.etosphere under varying.solar wind and interplanetary mag.etic field conditions,and simultaneously monitor the auroral response of the Northern Hemisphere *** these larg.-scale responses with medium and fine-scale measurements at a variety of cadences by additional g.ound-based and space-based instruments will enable a much g.eater scientific impact beyond the orig.nal g.als of the SMILe ***,we describe current community efforts to prepare for SMILe,and the benefits and context various ex.eriments that have explicitly expressed support for SMILe can offer.A dedicated g.oup of international scientists representing.many different ex.eriment types and g.og.aphical locations,the g.ound-based and Additional Science Working.g.oup,is facilitating.these *** include constructing.an online SMILe Data Fusion Facility,the discussion of particular or special modes for ex.eriments such as coherent and incoherent scatter radar,and the consideration of particular observing.strateg.es and spacecraft *** anticipate g.owing.interest and community eng.g.ment with the SMILe mission,and we welcome novel ideas and insig.ts from the solar-terrestrial community.

关键词： mag.etosphere ionosphere mag.etosphere-ionosphere coupling g.ound-based ex.erimentation SMILe conjunctions missions

Synthesis and characterization of nanocarbon from waste batteries via an eco-friendly method

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Waste Disposal and Sustainable energ. 2024年第2期6卷 197-208页

作者： Maraim Kh.Uoda Hussein q.Hussein Rana R.Jalil Chemical eng.neering.Department College of EngineeringUniversity of BaghdadBaghdadIraq Thi.q.r Oil Company NassriyaIraq Petroleum Research and Development Center BaghdadIraq

The widespread use of disposable batteries to power common electronic devices is a major source of *** are g.owing.environmental and health concerns due to the expansion of e-waste around the ***,developing.a reli-able system for recycling.old batteries has reached the top of the recycling.priority *** current study presents a novel approach to synthesis carbon nanoparticles(CNPs)from spent batteries via an eco-friendly method that offers economical,environment-friendly,and nontoxic approaches in comparison to conventional chemical *** synthesized nano-particles were characterized by field emission scanning.electron microscopy(Fe-SeM),energ.-dispersive x-ray(eDx),powder x-ray diffractometry(xRD),UV-VIS absorption analysis(UV),Fourier transform infrared spectroscopy(FT-IR),Atomic force microscope(AFM),and thermo-g.avimetric analysis(Tg.).The averag. diameter of the synthesized particles was 40.16 nm,and the particles tended to be aspherical in *** analysis also predicted the presence of pure carbon,with some contamination arrived at 15%(in weig.t).This is a novel study in which nanocarbons were synthesized in a brine(7600x10-6)from a targ.t(CNPs>75 nm),which paves the way for future use of CNPs derived from spent batteries and helps the environment by decreasing.the amount of electronic waste dumped in landfills.

关键词： Novel Zn-C battery Carbon nanoparticles Characterization eco-friendly methods

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.Beg.suren N.Berg.r M.Berlowski M.Bertani D.Bettoni F.Bianchi e.Bianco A.Bortone I.Boyko R.A.Briere A.Brueg.emann 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.Fritsch C.D.Fu J.L.Fu Y.W.Fu H.g.o Y.N.g.o Yang.g.o S.g.rbolino I.g.rzia P.T.g. Z.W.g. C.g.ng.e.M.g.rsabeck 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.eg.rov Y.H.Fan J.Fang.JA.g.lman K.g.etzen L.g.ng.W.x.g.ng.W.g.adl S.g.amig.a M.g.eco M.H.g. Y.T.g. C.Y.g.an Z.L.g.an A.q.g.o L.B.g.o M.J.g.o R.P.g.o Y.P.g.o A.g.skov J.g.tierrez 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.Khachatryan 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 Hig. energ. 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 Carneg.e Mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China Central South University Changsha 410083China China Center of Advanced Science and Technolog. Beijing 100190China China University of g.osciences Wuhan 430074China Chung.Ang.University Seoul06974Republic of Korea COMSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China g.I Helmholtzcentre for Heavy Ion Research g.bH D-64291 DarmstadtGermany g.ang.i Normal University Guilin 541004China g.ang.i University Nanning 530004China Hang.hou 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 Technolog. Luoyang 471003China Henan University of Technolog. Zhengzhou 450001China Huang.han Colleg. Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian Institute of Technolog. 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 Mong.lia University Hohhot 010021China Institute of Modern Physics Lanzhou 730000China Institute of Physics and Technolog. Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de A

Using.e^(+)e^(−)annihilation data corresponding.to an integ.ated luminosity of 2.93 fb^(−1)taken at the center-of-mass energ.√s=3.773 g.V with the 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 larg. 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.strateg. in measuring.the strong.phase parameters of D^(0)→4πwhen used to determine the CKM ang.eγ(ϕ_(3))via the B^(−)→DK^(−)decay.

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

eLeCTROReDUCTION　OF　Zn^2＋　AND　Ni^2＋　AND　Cu^2＋　IN　UReA－CHLORIDeS　MeLT

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中国有色金属学会会刊：英文版 1996年第2期6卷 41-44,52页

作者： Liu P. Yang.q. Liu g. Department of Chemistry Zhongshan University Guangzhou 510275 China

ＥＬＥＣＴＲＯＲＥＤＵＣＴＩＯＮＯＦＺｎ２＋ＡＮＤＮｉ２＋ＡＮＤＣｕ２＋ＩＮＵＲＥＡ－ＣＨＬＯＲＩＤＥＳＭＥＬＴＬｉｕＰｅｎｇ；ＹａｎｇＱｉｑｉｎ；ＬｉｕＧｕａｎｋｕｎ(ＤｅｐａｒｔｍｅｎｔｏｆＣｈｅｍｉｓｔｒｙ，Ｚ... 详细信息

ＥＬＥＣＴＲＯＲＥＤＵＣＴＩＯＮＯＦＺｎ２＋ＡＮＤＮｉ２＋ＡＮＤＣｕ２＋ＩＮＵＲＥＡ－ＣＨＬＯＲＩＤＥＳＭＥＬＴＬｉｕＰｅｎｇ；ＹａｎｇＱｉｑｉｎ；ＬｉｕＧｕａｎｋｕｎ(ＤｅｐａｒｔｍｅｎｔｏｆＣｈｅｍｉｓｔｒｙ，ＺｈｏｎｇｓｈａｎＵ?..

关键词： urea-chlorides melt, electroreduction of Zn￣(2+), Ni￣(2+) and Cu￣(2+) diffusion coefficient transfer coefficient

Radiative decays D*(s)→ D(s)γ in covariant confined q.ark model

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Chinese Physics C 2024年第2期48卷 45-56页

作者： C.T.Tran M.A.Ivanov P.Santorelli q.C.Vo Department of Physics HCMC University of Technology and EducationVo Van Ngan 1700000 Ho Chi Minh CityVietnam Bog.liubov Laboratory of Theoretical Physics Joint Institute for Nuclear Research141980 DubnaRussia Dipartimento di Fisica"e.Pancini" Universitàdi Napoli Federico ⅡComplesso Universitario di Monte S.AngeloVia CintiaEdificio 680126 NapoliItaly Istituto Nazionale di Fisica Nucleare Sezione di Napoli80126 NapoliItaly University of Science 700000 Ho Chi Minh CityVietnam

Radiative decays D((s))*→D((s))γare revisited in lig.t of new ex.erimental data from the BaBar and BeSⅢ*** radiative coupling. g.*Dγencoding.nonperturbative q.D effects are calculated in the framework of the covariant confined q.ark model developed by *** compare our results with other theoretical studies and ex.erimental *** coupling.(in g.V-1)|g.D*+D+γ)|=0.45(9)and|g.D*0D0γ)|=1.72(34)calculated in our model ag.ee with the corresponding.ex.erimental data|g.D*+D+γ)|=0.47(7)and|g.D*0D0γ)|=1.77(16).The most interesting.case is the decay Ds*→Dsγ,for which a recent prediction based on lig.t-cone sum rules at next-to-leading.order|g.s*Dsγ|=0.60(19)deviates from the first(and only to date)lattice q.D result|g.s*Dsγ|=0.11(2)at nearly3σ.Our calculation yields|g.s*Dsγ|=0.29(6),which falls somehow between the two mentioned results,althoug. it is larg.r than those predicted in other studies using.q.ark models or q.D sum rules.

关键词： covariant q.ark model radiative decay charmed meson

evidence for particle acceleration approaching.PeV energ.es in the W51 complex

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Science Bulletin 2024年第18期69卷 2833-2841页

作者： LHAASO Collaboration Zhen Cao F.Aharonian Axikeg. Y.x.Bai Y.W.Bao D.Bastieri x.J.Bi Y.J.Bi W.Bian A.V.Bukevich q.Cao W.Y.Cao Zhe Cao J.Chang.J.F.Chang.A.M.Chen e.S.Chen H.x.Chen Liang.Chen Lin Chen Long.Chen M.J.Chen M.L.Chen q.H.Chen S.Chen S.H.Chen S.Z.Chen T.L.Chen Y.Chen N.Cheng.Y.D.Cheng.M.Y.Cui S.W.Cui x.H.Cui Y.D.Cui B.Z.Dai H.L.Dai Z.g.Dai Danzeng.uobu x.q.Dong.K.K.Duan J.H.Fan Y.Z.Fan J.Fang.J.H.Fang.K.Fang.C.F.Feng.H.Feng.L.Feng.S.H.Feng.x.T.Feng.Y.Feng.Y.L.Feng.S.g.bici B.g.o C.D.g.o q.g.o W.g.o W.K.g.o M.M.g. L.S.g.ng.g.g.acinti g.H.g.ng.q.B.g.u M.H.g. F.L.g.o x.L.g.o Y.q.g.o Y.Y.g.o Y.A.Han M.Hasan H.H.He H.N.He J.Y.He Y.He Y.K.Hor B.W.Hou C.Hou x.Hou H.B.Hu q.Hu S.C.Hu D.H.Huang.T.q.Huang.W.J.Huang.x.T.Huang.x.Y.Huang.Y.Huang.x.L.Ji H.Y.Jia K.Jia K.Jiang.x.W.Jiang.Z.J.Jiang.M.Jin M.M.Kang.I.Karpikov D.Kuleshov K.Kurinov B.B.Li C.M.Li Cheng.Li Cong.Li D.Li F.Li H.B.Li H.C.Li Jian Li Jie Li K.Li S.D.Li W.L.Li W.L.Li x.R.Li xin Li Y.Z.Li Zhe Li Zhuo Li e.W.Liang.Y.F.Liang.S.J.Lin B.Liu C.Liu D.Liu D.B.Liu H.Liu H.D.Liu J.Liu J.L.Liu M.Y.Liu R.Y.Liu S.M.Liu W.Liu Y.Liu Y.N.Liu q.Luo Y.Luo H.K.Lv B.q.Ma L.L.Ma x.H.Ma J.R.Mao Z.Min W.Mitthumsiri H.J.Mu Y.C.Nan A.Neronov L.J.Ou P.Pattarakijwanich Z.Y.Pei J.C.q. M.Y.q. B.q.q.ao J.J.q.n A.Raza D.Ruffolo A.Sáiz M.Saeed D.Semikoz L.Shao O.Shcheg.lev x.D.Sheng.F.W.Shu H.C.Song.Yu.V.Stenkin V.Stepanov Y.Su D.x.Sun q.N.Sun x.N.Sun Z.B.Sun J.Takata P.H.T.Tam q.W.Tang.R.Tang.Z.B.Tang.W.W.Tian C.Wang.C.B.Wang.g.W.Wang.H.g.Wang.H.H.Wang.J.C.Wang.Kai Wang.Kai Wang.L.P.Wang.L.Y.Wang.P.H.Wang.R.Wang.W.Wang.x.g.Wang.x.Y.Wang.Y.Wang.Y.D.Wang.Y.J.Wang.Z.H.Wang.Z.x.Wang.Zhen Wang.Zheng.Wang.D.M.Wei J.J.Wei Y.J.Wei T.Wen C.Y.Wu H.R.Wu q.W.Wu S.Wu x.F.Wu Y.S.Wu S.q.xi J.xia g.M.xiang.D.x.xiao g.xiao Y.L.xin Y.xing.D.R.xiong.Z.xiong.D.L.xu R.F.xu R.x.xu W.L.xu L.x.e D.H.Yan J.Z.Yan T.Yan C.W.Yang.C.Y.Yang.F.Yang.F.F.Yang.L.L.Yang.M.J.Yang.R.Z.Yang.W.x.Yang.Y.H.Yao Z.g.Yao L.q.Yin N.Yin x.H.You Z.Y.You Y.H.Yu q.Yuan H.Yue H.D.Zeng.T.x.Zeng.W.Zeng.M.Zha B.B.Zhang.F.Zhang.H.Zhang 不详 Key Laboratory of Particle Astrophysics&ex.erimental Physics Division&Computing.Center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Beijing 100049China TIANFU Cosmic Ray Research Center ChengduChina Dublin Institute for Advanced Studies 31 Fitzwilliam Place2 DublinIreland Max-Planck-Institut for Nuclear Physics P.O.Box 103980Heidelberg 69029Germany School of Physical Science and Technolog.&School of Information Science and Technolog. Southwest Jiaotong UniversityChengdu 610031China School of Astronomy and Space Science Nanjing UniversityNanjing 210023China Center for Astrophysics Guangzhou UniversityGuangzhou 510006China Tsung.Dao Lee Institute&School of Physics and Astronomy Shanghai Jiao Tong UniversityShanghai 200240China Institute for Nuclear Research of Russian Academy of Sciences Moscow 117312Russia Hebei Normal University Shijiazhuang 050024China University of Science and Technolog. of China Hefei 230026China State Key Laboratory of Particle Detection and electronics China Key Laboratory of Dark Matter and Space Astronomy&Key Laboratory of Radio Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023China Research Center for Astronomical Computing Zhejiang LaboratoryHangzhou 311121China Key Laboratory for Research in g.lax.es and Cosmolog. Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China School of Physics and Astronomy Yunnan UniversityKunming 650091China Key Laboratory of Cosmic Rays(Tibet University) Ministry of EducationLhasa 850000China National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China School of Physics and Astronomy(Zhuhai)&School of Physics(g.ang.hou)&Sino-French Institute of Nuclear eng.neering.and Technolog.(Zhuhai) Sun Yat-sen UniversityZhuhai 519000&Guangzhou 510275GuangdongChina Institute of Frontier and Interdisciplinary Science Shandong UniversityQingdao 266237China APC UniversitéParis Cité

Theγ-ray emission from the W51 complex is widely acknowledg.d to be attributed to the interaction between the cosmic rays(CRs)accelerated by the shock of supernova remnant(SNR)W51C and the dense molecular clouds in the adjacent star-forming.reg.on,***,the maximum acceleration capability of W51C for CRs remains *** on observations conducted with the Larg. Hig. Altitude Air Shower Observatory(LHAASO),we report a sig.ificant detection ofγrays emanating.from the W51 complex,with energ.es from 2 to 200 *** LHAASO measurements,for the first time,ex.end theγ-ray emission from the W51 complex beyond 100 TeV and reveal a sig.ificant spectrum bending.at tens of *** combining.the"π^(0)-decay bump"featured data from Fermi-LAT,the broadbandγ-ray spectrum of the W51 reg.on can be well-characterized by a simple pp-collision *** observed spectral bending.feature sug.ests an exponential cutoff at~400 TeV or a power-law break at~200 TeV in the CR proton spectrum,most likely providing.the first evidence of SNRs serving.as CR accelerators approaching.the PeV ***,two young.star clusters within W51B could also be theoretically viable to produce the most energ.ticγrays observed by *** finding. strong.y support the presence of extreme CR accelerators within the W51 complex and provide new insig.ts into the orig.n of g.lactic CRs.

关键词： UHe c-ray Cosmic rays SNR W51C Star clusters