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Acta metallurgica Sinica(English letters) 2024年第2期37卷 255-265页

作者： x.y.yue S.y.Peng x.zhang c.N.he y.z.Tian Key laboratory for Anisotropy and Texture of materials(ministry of Education) School of Materials Science and EngineeringNortheastern UniversityShenyang110819China School of materials Science and Engineering and Tianjin Key laboratory of composite and functional materials Tianjin UniversityTianjin300350China research centre for metallic wires Northeastern UniversityShenyang110819China

A cu-10wt%fe composite was prepared through hot-pressed sintering,and the material was subsequently solution *** hot-pressed sintered and solution treated materials were rolled and *** precipitation behavior and performance changes were systematically studied by using scanning electron microscopy and transmission electron *** contrast to the hot-pressed sintered specimen,the solution treatment significantly affects the thermal stability and properties of the cu-10wt%fe *** cu-10wt%fe composite was prepared after solid solution,cold rolling and aging at 773 K for 1 h,and it obtained excellent tensile strength of 494 mPa,uniform elongation of 16.3%,electrical conductivity of 51.1%IAcS and softening temperature of 838 *** for the distinct difference in thermal stability and properties between hot-pressed sintered and solution treated specimens were *** findings provide a theoretical basis for designing high-performance cu-based in-situ composites by post treatment.

关键词： cu-fe composite hot-pressed sintering Thermal stability Strength Electrical conductivity

construction of 2D/2D Ti_(3)c_(2)T_(x)mxene/cdS heterojunction with photothermal effect for efficient photocatalytic hydrogen production

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journal of materials Science & Technology 2024年第4期171卷 1-9页

作者： T.y.huang z.yang S.y.yang z.h.Dai y.j.liu j.h.liao G.y.zhong z.j.xie y.P.fang S.S.zhang Key laboratory for Biobased materials and Energy of ministry of Education Guangdong Laboratory for Lingnan Modern AgricultureCollege of Materials and EnergySouth China Agricultural UniversityGuangzhou 510643China School of Physics and optoelectronics South China University of TechnologyGuangzhou 510640China School of chemical Engineering and Energy Technology Guangdong Provincial Key Laboratory of Distributed Energy SystemsDongguan University of TechnologyDongguan 523808China

The insensitivity of semiconductors to visible and infrared light is a key constraint on the utilization of light energy in photocatalytic *** photocatalysts with full-spectrum absorption through surface engineering is an effective approach to fully harnessing light energy in semiconductor ***,a novel stable Ti_(3)c_(2)T_(x)mxene/cdS heterojunction catalyst is obtained by in-situ epitaxial growth of two-dimensional(2D)cdS nanosheets on 2D mxene interface via a solvothermal *** exceptional light absorption properties of mxene confer outstanding full-spectrum driven photocat-alytic hydrogen evolution capability upon the heterogeneous *** unique 2D/2D structure effectively mitigated the recombination of photogenerated carriers,enhancing the photocatalytic performance of the ***,the composite catalyst exhibits a significantly higher surface temperature of 80.4℃under visible light irradiation at an intensity of 0.1 w/cm^(2),which is 1.84 times higher than that of *** irradiation of visible and near infrared light,the composite catalyst with photothermal ef-fect demonstrates a remarkable hydrogen evolution rate of 65.4 mmol g^(-1)h^(-1),which is 7.2 times higher than that of cdS *** study introduces a novel approach for constructing full-spectrum absorption catalysts and expands the application of the photothermal effect in photocatalytic hydrogen evolution research.

关键词： Two-dimensional structure heterostructure Photothermal effect Photocatalyst hydrogen evolution

microstructure evolution and shape memory behaviors of Ni_(47)Ti_(44)Nb_(9)alloy subjected to multistep thermomechanical loading with different 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.yang x.liu Q.f.Gu State Key laboratory of Solidification Processing School of Materials Science and EngineeringNorthwestern Polytechnical UniversityXi’an 710072China Shaanxi Key laboratory of high-Performance Precision forming 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 field due to its wide transformation *** application of shape memory effect depends on multistep thermomechan-ical loading,viz.,low-temperature deformation and subsequent heating to ***-temperature deformation prestrain plays a pivotal role in shape memory properties tailoring of SmA ***,microstructure evolution and deformation 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 four distinct stages at a maximal prestrain of 16%.whereas stageⅡand stageⅢend at prestrains of∼8%and∼12%,*** stageⅡ,the stress-induced martensitic transformation is accompanied by the dislocation slip of the NiTi matrix andβ-Nb *** stageⅢ,in addition to the higher density of dislocations and further growth of stress-induced martensite variants(SImVs),(001)compound twins are introduced as a result of the(001)deformation twinning in stress-induced ***{20-1}martensite twins are gradually introduced in stageⅣ.correspondingly,after subsequent unloading and heating,a higher density ofcaustenite twins form in the specimen with a larger prestrain of 16%.with increasing prestrain from 8%to 16%,the recoverable strainε_(re)^(T)upon heating increases first and then ***ε_(re)^(T)obtains a maximum of 7.03%at 10%prestrain and de-creases to 6.17%at 16%*** increase ofε_(re)^(T)can be attributed to the formation of new SImVs,the further growth of existing SImVs,and the recoverable(001)compound *** the decrease ofε_(re)^(T)is mainly associated with the irrecoverable strain by{20−1}martensite *** effe

关键词： Ni_(47)Ti_(44)Nb_(9)shape memory alloy wide transformation hysteresis Thermomechanical loading microstructure evolution Shape memory behaviors Stress-induced martensitic transformation Deformation twinning

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

resistive field 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.yin x.h.yang f.Q.Shao Department of Physics 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 hybrid code to model ion beam-plasma *** simulations show that both resistive field and ion scattering effects are important for proton beam transport in a solid target,in which they compete with each *** the target is not completely ionized,the self-generated resistive field effect dominates over the ion scattering ***,when the target is completely ionized,this situation is ***,it is found that ohmic heating is important for higher current densities and materials with high *** energy fraction deposited as ohmic heating can be as high as 20%-30%.Typical ion divergences with half-angles of about 5°-10°will modify the proton energy deposition substantially and should be taken into account.

关键词： interaction beam intense

Stability and Generalization of hypergraph collaborative Networks

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machine Intelligence research 2024年第1期21卷 184-196页

作者： michael K.ng hanrui wu Andy yip Institute of Data Science The University of Hong KongHong KongChina Department of mathematics The University of Hong KongHong KongChina college of Information Science and Technology Jinan UniversityGuangzhou 510006China

Graph neural networks have been shown to be very effective in utilizing pairwise relationships across ***,there have been several successful proposals to generalize graph neural networks to hypergraph neural networks to exploit more com-plex *** particular,the hypergraph collaborative networks yield superior results compared to other hypergraph neural net-works for various semi-supervised learning *** collaborative network can provide high quality vertex embeddings and hyperedge embeddings together by formulating them as a joint optimization problem and by using their consistency in reconstructing the given *** this paper,we aim to establish the algorithmic stability of the core layer of the collaborative network and provide generaliz--ation *** analysis sheds light on the design of hypergraph filters in collaborative networks,for instance,how the data and hypergraph filters should be scaled to achieve uniform stability of the learning *** experimental results on real-world datasets are presented to illustrate the theory.

关键词： hypergraphs vertices hyperedges collaborative networks graph convolutional neural networks(cNNs) stability generalization guarantees

Supposition of graphene stacks to estimate the contact resistance and conductivity of nanocomposites

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Applied mathematics and mechanics(English Edition) 2024年第4期45卷 663-676页

作者： y.zArE m.T.mUNIr G.j.wEng K.y.rhEE Biomaterials and Tissue Engineering research Group Department of Interdisciplinary TechnologiesBreast Cancer Research CenterMotamed Cancer InstituteTehran ***Iran college of Engineering and Technology American University of the Middle EastEgaila 54200Kuwait Department of mechanical and Aerospace Engineering Rutgers UniversityNew BrunswickNJ 08903U.S.A. Department of mechanical Engineering(BK21 four) College of EngineeringKyung Hee UniversityYongin 446701Republic of Korea

In this study,the effects of stacked nanosheets and the surrounding interphase zone on the resistance of the contact region between nanosheets and the tunneling conductivity of samples are evaluated with developed equations superior to those previously *** contact resistance and nanocomposite conductivity are modeled by several influencing factors,including stack properties,interphase depth,tunneling size,and contact *** developed model's accuracy is verified through numerous experimental *** further validate the models and establish correlations between parameters,the effects of all the variables on contact resistance and nanocomposite conductivity are ***,the contact resistance is primarily dependent on the polymer tunnel resistivity,contact area,and tunneling *** dimensions of the graphene nanosheets significantly influence the conductivity,which ranges from 0 S/m to90 S/*** increased number of nanosheets in stacks and a larger gap between them enhance the nanocomposite's ***,the thicker interphase and smaller tunneling size can lead to higher sample conductivity due to their optimistic effects on the percolation threshold and network efficacy.

关键词： graphene polymer composite stacked nanosheet tunneling conductivity contact resistance interphase

Evidence for particle acceleration approaching PeV energies in the w51 complex

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

作者： cao, zhen Aharonian, f. Axikegu Bai, y.x. Bao, y.w. Bastieri, D. Bi, x.j. Bi, y.j. Bian, w. Bukevich, A.V. cao, Q. cao, w.y. cao, zhe chang, j. chang, j.f. chen, 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. cheng, N. cheng, y.D. cui, m.y. cui, S.w. cui, x.h. cui, y.D. Dai, B.z. Dai, h.l. Dai, z.G. Danzengluobu Dong, x.Q. Duan, K.K. fan, j.h. fan, y.z. fang, j. fang, j.h. fang, K. feng, c.f. feng, h. feng, l. feng, S.h. feng, x.T. feng, y. feng, y.l. Gabici, S. Gao, B. Gao, c.D. Gao, Q. Gao, w. Gao, w.K. Ge, m.m. Geng, l.S. Giacinti, G. Gong, G.h. Gou, Q.B. Gu, m.h. Guo, f.l. Guo, x.l. Guo, y.Q. Guo, y.y. han, y.A. hasan, m. he, h.h. he, h.N. he, j.y. he, y. hor, y.K. hou, B.w. hou, c. hou, x. hu, h.B. hu, Q. hu, S.c. huang, D.h. huang, T.Q. huang, w.j. huang, x.T. huang, x.y. huang, y. ji, x.l. jia, h.y. jia, K. jiang, K. jiang, x.w. jiang, z.j. jin, m. Kang, m.m. Karpikov, I. Kuleshov, D. Kurinov, K. li, 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, x.r. li, xin li, y.z. li, zhe li, zhuo liang, E.w. liang, y.f. lin, S.j. liu, 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. luo, Q. luo, y. lv, h.K. ma, B.Q. ma, l.l. ma, x.h. mao, j.r. min, z. mitthumsiri, w. mu, h.j. Nan, y.c. Neronov, A. ou, l.j. Pattarakijwanich, P. Pei, z.y. Qi, j.c. Qi, m.y. Qiao, B.Q. Qin, j.j. raza, A. ruffolo, D. Sáiz, A. Saeed, m. Semikoz, D. Shao, l. Shchegolev, o. Sheng, x.D. Shu, f.w. Song, h.c. Stenkin, yu.V. Stepanov, V. Su, y. Sun, D.x. Sun, Q.N. Sun, x.N. Sun, z.B. Takata, j. Tam, P.h.T. Key laboratory of Particle Astrophysics & Experimental Physics Division & computing center Institute of High Energy Physics Chinese Academy of Sciences Beijing 100049 China University of chinese Academy of Sciences Beijing 100049 China TIANfU cosmic ray research center Chengdu China Dublin Institute for Advanced Studies 31 Fitzwilliam Place 2 Dublin Ireland max-Planck-Institut for Nuclear Physics P.O. Box 103980 Heidelberg 69029 Germany School of Physical Science and Technology & School of Information Science and Technology Southwest Jiaotong University Chengdu 610031 China School of Astronomy and Space Science Nanjing University Nanjing 210023 China center for Astrophysics Guangzhou University Guangzhou 510006 China Tsung-Dao lee Institute & School of Physics and Astronomy Shanghai Jiao Tong University Shanghai 200240 China Institute for Nuclear research of russian Academy of Sciences Moscow 117312 Russia hebei Normal University Shijiazhuang 050024 China University of Science and Technology of china Hefei 230026 China State Key laboratory of Particle Detection and Electronics China Key laboratory of Dark matter and Space Astronomy & Key laboratory of radio Astronomy Purple Mountain Observatory Chinese Academy of Sciences Nanjing 210023 China research center for Astronomical computing Zhejiang Laboratory Hangzhou 311121 China Key laboratory for research in Galaxies and cosmology Shanghai Astronomical Observatory Chinese Academy of Sciences Shanghai 200030 China School of Physics and Astronomy Yunnan University Kunming 650091 China Key laboratory of cosmic rays (Tibet University) Ministry of Education Lhasa 850000 China National Astronomical observatories Chinese Academy of Sciences Beijing 100101 China School of Physics and Astronomy (zhuhai) & School of Physics (Guangzhou) & Sino-french Institute of Nuclear Engineering and Technology (zhuhai) Sun Yat-sen University Zhuhai 519000 & Guangzhou 510275 Guangdong China Institute of frontier and

The γ-ray emission from the w51 complex is widely acknowledged 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 region, w51B. however, the maximum acceleration capability of w51c for crs remains elusive. Based on observations conducted with the large high Altitude Air Shower observatory (lhAASo), we report a significant detection of γ rays emanating from the w51 complex, with energies from 2 to 200 TeV. The lhAASo measurements, for the first time, extend the γ-ray emission from the w51 complex beyond 100 TeV and reveal a significant spectrum bending at tens of TeV. By combining the "π0-decay bump" featured data from fermi-lAT, the broadband γ-ray spectrum of the w51 region can be well-characterized by a simple pp-collision model. The observed spectral bending feature suggests 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 regime. Additionally, two young star clusters within w51B could also be theoretically viable to produce the most energetic γ rays observed by lhAASo. our findings strongly support the presence of extreme cr accelerators within the w51 complex and provide new insights into the origin of Galactic crs. © 2024 Science china Press

关键词： cosmic rays

Effect of radiative loss mechanisms on fIr thermometric parameters of Nd^(3+)-doped lithium tellurite glasses

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journal of rare Earths 2024年第7期42卷 1250-1257,I0002页

作者： c.y.morassuti A.P.l Silva l.A.o.Nunes S.m.lima l.h.c.Andrade optical and Photothermal Spectroscopy Group(GEof) Center for Studies in Natural Resources(CERNA)State University of Mato Grosso do Sul(UEMS)C.P.351DouradosMSBrazil renato Archer Information Technology center Dom Pedro I Highway(SP-65)Km 1436-Chácaras Campos dos AmaraisCampinasSPBrazil Institute of Physics of São carlos University of São PauloSão CarlosSPBrazil

Nd^(3+)-doped tellurite glasses are promising materials for thermometers based on the fluorescence intensity ratio(fIr)***,at high Nd^(3+)concentrations,energy transfer(ET)processes such as optical reabsorption and cross-relaxation can affect the Nd^(3+)emission,which has been little explored in the ***,the present work investigated the use of Nd^(3+)-doped tellurite glass(samples doped with Nd^(3+)at 0.2 mol%,0.5 mol%,2.0 mol%,and 4.0 mol%)in fluorescence thermometers,in the temperature range from 299 to 371 *** results indicate a strong dependence of the fIr parameters on the Nd^(3+)concentration,due to changes in the emission band profiles caused by optical reabsorption of the Nd^(3+)emissions and cross-relaxation processes.A decrease of the relative sensitivity of the ratio^(4)f_(5/2)→^(4)I_(9/2)/^(4)f_(3/2)→^(4)I_(9/2)is observed for samples doped with higher amounts of Nd^(3+).The maximum relative sensitivity at 299 K is 3.00%/K,which is the highest value among the reported Nd^(3+)ions.

关键词： Nd^(3+)-doped tellurite glass fluorescence intensity ratio optical thermometry judd-ofelt rare earths

rescattering of stimulated raman side scattering in nonuniform plasmas

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matter and radiation at Extremes 2024年第5期9卷 68-76页

作者： S.Tan Q.wang y.chen w.B.yao c.z.xiao j.f.myatt School of Physics and Electronics Hunan UniversityChangsha 410082China Institute of Applied Physics and computational mathematics Beijing 100094China School of Electrical and Information Engineering Anhui University of Science and TechnologyHuainanAnhui 232001China Department of Electrical and computer Engineering University of Alberta9211116 St.NWEdmontonAlberta T6G 1H9Canada

rescattering of stimulated raman side scattering(SrSS)is observed for the first time via two-dimensional(2D)particle-in-cell(PIc)*** construct a theoretical model for the rescattering process,which can predict the region of occurrence of mth-order SrSS and estimate its *** rescattering process is identified by the 2D PIc simulations under typical conditions of a direct-drive inertial confinement fusion *** electrons produced by second-order SrSS propagate nearly perpendicular to the density gradient and gain nearly the same energy as in first-order SrSS,but there is no cascade acceleration to produce superhot *** studies for a wide range of ignition conditions show that SrSS and associated rescatterings are robust and important processes in inertial confinement fusion.

关键词： nonuniform acceleration scattering