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Néel-type skyrmions and their current-induced motion in van der Waals ferromagnet-based heterostructures

Physical Review B 2021年第10期103卷 104410-104410页

作者： Tae-Eon Park Licong Peng Jinghua Liang Ali Hallal Fehmi Sami Yasin Xichao Zhang Kyung Mee Song Sung Jong Kim Kwangsu Kim Markus Weigand Gisela Schütz Simone Finizio Jörg Raabe Karin Garcia Jing Xia Yan Zhou Motohiko Ezawa Xiaoxi Liu Joonyeon Chang Hyun Cheol Koo Young Duck Kim Mairbek Chshiev Albert Fert Hongxin Yang Xiuzhen Yu Seonghoon Woo Center for Spintronics Korea Institute of Science and Technology Seoul 02792 Korea RIKEN Center for Emergent Matter Science Wako 351-0198 Japan Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences Ningbo 315201 China Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of Sciences Beijing 100049 China Université Grenoble Alpes CEA CNRS Spintec 38000 Grenoble France School of Science and Engineering The Chinese University of Hong Kong Shenzhen Guangdong 518172 China KU-KIST Graduate School of Converging Science and Technology Korea University Seoul 02841 Korea Department of Physics University of Ulsan Ulsan 44610 Korea Helmholtz Center Berlin Albert Einstein Straβe 15 12489 Berlin Germany Max-Planck-Institut für Intelligente Systeme 70569 Stuttgart Germany Swiss Light Source Paul Scherrer Institut 5232 Villigen Switzerland DIPC and University of the Basque Country 2018 San Sebastian Spain Department of Applied Physics University of Tokyo Hongo 7-3-1 Tokyo 113-8656 Japan Department of Electrical and Computer Engineering Shinshu University Wakasato 4-17-1 Nagano 380-8553 Japan Department of Materials Science & Engineering Yonsei University Seoul 03722 Korea Department of Physics Kyung Hee University Seoul 02447 Korea Unité Mixte de Physique CNRS Thales Université Paris-Sud Université Paris-Saclay Palaiseau 91767 France IBM T.J. Watson Research Center 1101Kitchawan Road Yorktown Heights New York 10598 USA

Since the discovery of ferromagnetic two-dimensional (2D) van der Waals (vdW) crystals, significant interest on such 2D magnets has emerged, inspired by their appealing physical properties and integration with other 2D family for unique heterostructures. In known 2D magnets, spin-orbit coupling (SOC) stabilizes perpendicular magnetic anisotropy down to one or a few monolayers. Such a strong SOC could also lift the chiral degeneracy, leading to the formation of topological magnetic textures such as skyrmions through the Dzyaloshinskii-Moriya interaction (DMI). Here, we report the experimental observation of Néel-type chiral magnetic skyrmions and their lattice (SkX) formation in a vdW ferromagnet Fe3GeTe2 (FGT). We demonstrate the ability to drive an individual skyrmion by short current pulses along a vdW heterostructure, FGT/h−BN, as highly required for any skyrmion-based spintronic device. Using first principle calculations supported by experiments, we unveil the origin of DMI being the interfaces with oxides, which then allows us to engineer vdW heterostructures for desired chiral states. Our finding opens the door to topological spin textures in the 2D vdW magnet and their potential device application.

关键词： Magnetic texture Magnetism Skyrmions Spintronics

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Production of η and η′ mesons in pp and pPb collisions

引用

Physical Review C 2024年第2期109卷 024907-024907页

作者： R. Aaij A. S. W. Abdelmotteleb C. Abellan Beteta F. Abudinén T. Ackernley B. Adeva M. Adinolfi P. Adlarson C. Agapopoulou C. A. Aidala Z. Ajaltouni S. Akar K. Akiba P. Albicocco J. Albrecht F. Alessio M. Alexander A. Alfonso Albero Z. Aliouche P. Alvarez Cartelle R. Amalric S. Amato J. L. Amey Y. Amhis L. An L. Anderlini M. Andersson A. Andreianov P. Andreola M. Andreotti D. Andreou A. A. Anelli D. Ao F. Archilli M. Argenton S. Arguedas Cuendis A. Artamonov M. Artuso E. Aslanides M. Atzeni B. Audurier D. Bacher I. Bachiller Perea S. Bachmann M. Bachmayer J. J. Back A. Bailly-reyre P. Baladron Rodriguez V. Balagura W. Baldini J. Baptista de Souza Leite M. Barbetti I. R. Barbosa R. J. Barlow S. Barsuk W. Barter M. Bartolini F. Baryshnikov J. M. Basels G. Bassi B. Batsukh A. Battig A. Bay A. Beck M. Becker F. Bedeschi I. B. Bediaga A. Beiter S. Belin V. Bellee K. Belous I. Belov I. Belyaev G. Benane G. Bencivenni E. Ben-Haim A. Berezhnoy R. Bernet S. Bernet Andres H. C. Bernstein C. Bertella A. Bertolin C. Betancourt F. Betti J. Bex Ia. Bezshyiko J. Bhom M. S. Bieker N. V. Biesuz P. Billoir A. Biolchini M. Birch F. C. R. Bishop A. Bitadze A. Bizzeti M. P. Blago T. Blake F. Blanc J. E. Blank S. Blusk D. Bobulska V. Bocharnikov J. A. Boelhauve O. Boente Garcia T. Boettcher A. Bohare A. Boldyrev C. S. Bolognani R. Bolzonella N. Bondar F. Borgato S. Borghi M. Borsato J. T. Borsuk S. A. Bouchiba T. J. V. Bowcock A. Boyer C. Bozzi M. J. Bradley S. Braun A. Brea Rodriguez N. Breer J. Brodzicka A. Brossa Gonzalo J. Brown D. Brundu A. Buonaura L. Buonincontri A. T. Burke C. Burr A. Bursche A. Butkevich J. S. Butter J. Buytaert W. Byczynski S. Cadeddu H. Cai R. Calabrese L. Calefice S. Cali M. Calvi M. Calvo Gomez J. Cambon Bouzas P. Campana D. H. Campora Perez A. F. Campoverde Quezada S. Capelli L. Capriotti R. Caravaca-Mora A. Carbone L. Carcedo Salgado R. Cardinale A. Cardini P. Carniti L. Carus A. Casais Vidal R. Caspary G. Casse J. Castro Godinez M. Cattaneo G. Cavallero V. Cavallini S. Celani J. Cerasoli D. Cervenkov S. Nikhef National Institute for Subatomic Physics Amsterdam Netherlands Department of Physics University of Warwick Coventry United Kingdom Physik-Institut Universität Zürich Zürich Switzerland Oliver Lodge Laboratory University of Liverpool Liverpool United Kingdom Instituto Galego de Física de Altas Enerxías (IGFAE) Universidade de Santiago de Compostela Santiago de Compostela Spain H.H. Wills Physics Laboratory University of Bristol Bristol United Kingdom Department of Physics and Astronomy Uppsala University Uppsala Sweden associated with 57 European Organization for Nuclear Research (CERN) Geneva Switzerland University of Michigan Ann Arbor Michigan USA associated with 66 Université Clermont Auvergne CNRS/IN2P3 LPC Clermont-Ferrand France University of Cincinnati Cincinnati Ohio USA INFN Laboratori Nazionali di Frascati Frascati Italy Fakultät Physik Technische Universität Dortmund Dortmund Germany School of Physics and Astronomy University of Glasgow Glasgow United Kingdom ICCUB Universitat de Barcelona Barcelona Spain Department of Physics and Astronomy University of Manchester Manchester United Kingdom Cavendish Laboratory University of Cambridge Cambridge United Kingdom LPNHE Sorbonne Université Paris Diderot Sorbonne Paris Cité CNRS/IN2P3 Paris France Universidade Federal do Rio de Janeiro (UFRJ) Rio de Janeiro Brazil Université Paris-Saclay CNRS/IN2P3 IJCLab Orsay France School of Physics State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China INFN Sezione di Firenze Firenze Italy Affiliated with an institute covered by a cooperation agreement with CERN INFN Sezione di Ferrara Ferrara Italy Syracuse University Syracuse New York USA INFN Sezione di Milano-Bicocca Milano Italy University of Chinese Academy of Sciences Beijing China INFN Sezione di Roma Tor Vergata Roma Italy Consejo Nacional de Rectores (CONARE) San Jose Costa Rica Aix Marseille Univ CNRS/IN2P3 CPPM Marseille France Massachuse

The production of η and η′ mesons is studied in proton-proton and proton-lead collisions collected with the LHCb detector. Proton-proton collisions are studied at center-of-mass energies of 5.02 and 13TeV and proton-lead collisions are studied at a center-of-mass energy per nucleon of 8.16TeV. The studies are performed in center-of-mass (c.m.) rapidity regions 2.5

关键词： Particle & resonance production Particle production Quantum chromodynamics Relativistic heavy-ion collisions Strong interaction

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Reversible modulation of metal-insulator transition in VO2 via chemically-induced oxygen migration

arXiv

引用

arXiv 2021年

作者： Han, Kun Wang, Hanyu Wu, Liang Cao, Yu Qi, Dong-Chen Li, Changjian Huang, Zhen Li, Xiao Wang, X. Renshaw Information Materials and Intelligent Sensing Laboratory of Anhui Province Institutes of Physical Science and Information Technology Anhui University Hefei230601 China Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University 21 Nanyang Link Singapore637371 Singapore School of Physics and Technology Nanjing Normal University Nanjing210023 China Faculty of Material Science and Engineering Kunming University of Science and Technology Yunnan Kunming650093 China Institute for New Materials Foshan528247 China Department of Electrical and Computer Engineering National University of Singapore 4 Engineering Drive 3 Singapore117583 Singapore Centre for Materials Science School of Chemistry and Physics Queensland University of Technology BrisbaneQLD4001 Australia Department of Materials Science and Engineering Southern University of Science and Technology Guangdong Shenzhen518055 China School of Electrical and Electronic Engineering Nanyang Technological University 50 Nanyang Ave Singapore639798 Singapore

Metal-insulator transitions (MIT), an intriguing correlated phenomenon induced by the subtle competition of the electrons' repulsive Coulomb interaction and kinetic energy, is of great potential use for electronic applications due to the dramatic change in resistivity. Here, we demonstrate a reversible control of MIT in VO2 films via oxygen stoichiometry engineering. By facilely depositing and dissolving a water-soluble yet oxygen-active Sr3Al2O6 capping layer atop the VO2 at room temperature, oxygen ions can reversibly migrate between VO2 and Sr3Al2O6, resulting in a gradual suppression and a complete recovery of MIT in VO2. The migration of the oxygen ions is evidenced in a combination of transport measurement, structural characterization and first-principles calculations. This approach of chemically-induced oxygen migration using a water-dissolvable adjacent layer could be useful for advanced electronic and iontronic devices and studying oxygen stoichiometry effects on the MIT. Copyright © 2021, The Authors. All rights reserved.

关键词： Vanadium dioxide

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Individual tree detection and crown delineation with 3D information from multi-view satellite images

arXiv

引用

arXiv 2021年

作者： Xiao, Changlin Qin, Rongjun Xie, Xiao Huang, Xu The Future Cities Laboratory Singapore-ETH Centre ETH Zurich 1 Create Way CREATE Tower #06-01 138602 Singapore The Department of Civil Environmental and Geodetic Engineering The Ohio State University 218B Bolz Hall 2036 Neil Avenue ColumbusOH43210 United States The Department of Electrical and Computer Engineering The Ohio State University 205 Dreese Labs 2015 Neil Avenue ColumbusOH43210 United States The Research Center for Industrial Ecology & Sustainability Institute of Applied Ecology Chinese Academy of Sciences. No.72 Wenhua Road Shenhe District Shenyang City110016 China The Key Laboratory for Environment Computation & Sustainability of Liaoning Province No.72 Wenhua Road Shenhe District Shenyang City110016 China The Department of Civil Environmental and Geodetic Engineering The Ohio State University 218B Bolz Hall 2036 Neil Avenue ColumbusOH43210 United States

Individual tree detection and crown delineation (ITDD) are critical in forest inventory management and remote sensing based forest surveys are largely carried out through satellite images. However, most of these surveys only use 2D spectral information which normally has not enough clues for ITDD. To fully explore the satellite images, we propose a ITDD method using the orthophoto and digital surface model (DSM) derived from the multi-view satellite data. Our algorithm utilizes the top-hat morphological operation to efficiently extract the local maxima from DSM as treetops, and then feed them to a modified superpixel segmentation that combines both 2D and 3D information for tree crown delineation. In subsequent steps, our method incorporates the biological characteristics of the crowns through plant allometric equation to falsify potential outliers. Experiments against manually marked tree plots on three representative regions have demonstrated promising results - the best overall detection accuracy can be 89%. Copyright © 2021, The Authors. All rights reserved.

关键词： Surveys

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Are solution processed CsPbI3 perovskite nanocrystalline films similar to traditional crystalline semiconductors?

Research Square

引用

Research Square 2021年

作者： Kobbekaduwa, Kanishka Liu, Exian Zhao, Qian Adhikari, Pan Xie, Chendi Zhang, Jianbing Shi, Ying Zheng, Haimei Li, Dawen Sanabria, Hugo Hu, Ming Cai, Tong Chen, Ou Rao, Rahul Rao, Apparao M. Beard, Matthew C. Luther, Joseph M. Gao, Jianbo Department of Physics and Astronomy Ultrafast Photophysics of Quantum Devices Laboratory Clemson University ClemsonSC29634 United States Chemistry & Nanoscience Center National Renewable Energy Laboratory GoldenCO80401 United States School of Optical and Electronic Information Huazhong University of Science and Technology Wuhan430074 China Institute of Atomic and Molecular Physics Jilin Provincial Key Laboratory of Applied Atomic and Molecular Spectroscopy Jilin University Changchun130012 China Materials Sciences Division Lawrence Berkeley National Laboratory BerkeleyCA94720 United States Department of Electrical and Computer Engineering Center for Materials for Information Technology The University of Alabama TuscaloosaAL35487 United States Department of Mechanical Engineering University of South Carolina ColumbiaSC29208 United States Department of Chemistry Brown University ProvidenceRI02912 United States Materials and Manufacturing Directorate Air Force Research Laboratory Wright-Patterson Air Force Base DaytonOH45433 United States

We use ultrafast photocurrent spectroscopy with a sub-25 picosecond resolution to address a long-standing question in emergent perovskite materials: are solution-processed CsPbI3 perovskites nanocrystal films similar to their counterparts semiconductors including GaAs and Si? Prior to carrier trapping, all semiconductors show similar transition of transport mechanism from the band-like transport due to the longitudinal optical (LO) phonon scattering in the higher temperature region to a combination of band-like and hopping transport mechanisms in the lower temperature region. The critical difference is that CsPbI3 demonstrate the strongest carrier-LO phonon interaction among all semiconductors, most likely due to the unique cation-halogen bond arrangements within the highly symmetric lattice structure. This ultrafast dynamics work establish a foundation of fundamental carrier transport understating for perovskite optoelectronics. © 2021, CC BY.

关键词： Perovskite

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Gait speed tracking system using UWB radar 12

Gait speed tracking system using UWB radar

引用

12th European Conference on Antennas and Propagation, EuCAP 2018

作者： Lau, Bernard Haider, Sahar Boroomand, Ameneh Shaker, George Boger, Jennifer Morita, Plinio Department of Electrical and Computer Engineering University of Waterloo Waterloo Canada Department of Mechanical and Mechatronics Engineering University of Waterloo Waterloo Canada Department of Systems Design Engineering University of Waterloo Waterloo Canada Department of Applied Health Sciences University of Waterloo Waterloo Canada Research Institute of Aging University of Waterloo Waterloo Canada

ISBN: (纸本)9781785617911

The ability to measure the level of activity among older adults is crucial in assessing any signs of cognitive disorders, dementia, falls and/or mortality. The use of continuous gait monitoring devices can aid in early interventions and risk detection in a frequent and accurate manner. The paper presents a study which utilizes an ultra-wide band (UWB) radar for gait speed detection. The experiment was performed on six healthy young individuals in three different speed categories i.e. slow, normal and fast. The speed measurements from the radar were then compared against the data gathered from a GAITRite mat (the gold standard commercial sensor-loaded mat for the detection of walking speed) to determine the accuracy of data acquired from the radar. © Institution of Engineering and *** Rights Reserved.

关键词： Ultra-wideband (UWB)

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Parallelizing an embedded real-Time person matching system for smart cameras

Ada User Journal

引用

Ada User Journal 2017年第3期38卷 157-166页

作者： Bid, Nesrine A. Loukil, Kais Ayedi, Walid Abid, Mohamcd Laboratory of Computer and Embedded Systems National School of Engineering of Sfax 3038 Tunisia MMA Laboratory National Institute of Applied Sciences and Technology 676-1080 Tunisia Department of Electrical and Computer Engineering Renewable Energy Group King Abdulaziz University 21589 Saudi Arabia

Person matching is an important topic in video- surveillance and can be used to design detection, tracking and recognition systems. Multi-scale covariance (MSCOV) is considered as one of the most promising descriptors for person matching. Unfortunately, implementing such descriptors for person matching requires heavy computation. For a system that requires real-Time matching, visual information needs to be fast processed without reducing accuracy. Parallel processing is frequently adopted to speed-up execution-Time. This paper presents an optimized parallel model of a person matching system based on MSCOV. To this aim, a high-level parallelization approach based on the exploration of task and data levels of parallelism is adopted. Starting from the block diagram, an initial model that extracts the maximum task-level parallelism is proposed. This model is implemented and validated at a high system-level. Analyzing the communication and computation workload results, the potential bottlenecks of this model are identified. An optimized parallel model with the best workload balance is then developed. This model is prototyped and validated using a multicore architecture. The experimental results are promising and the system is shown to perform person matching in real-Time with 16.33 fps using a dual-core ARM-Cortex-A9.

关键词： Security systems

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Automated quantification of myocardial tissue characteristics from native T1 mapping using neural networks with Bayesian inference for uncertainty-based quality-control

arXiv

引用

arXiv 2020年

作者： Puyol-Antón, Esther Ruijsink, Bram Baumgartner, Christian F. Sinclair, Matthew Konukoglu, Ender Razavi, Reza King, Andrew P. School of Biomedical Engineering & Imaging Sciences King's College London Rayne Institute 4th Floor Lambeth Wing St Thomas Hospital Westminster Bridge Road LondonSE1 7EH United Kingdom Department of Adult and Paediatric Cardiology Guy's and St Thomas' NHS Foundation Trust London United Kingdom Computer Vision Lab ETH Zürich Sternwartstrasse 7 Zürich London Switzerland Biomedical Image Analysis Group Department of Computing Imperial College London 3rd floor Huxley Building 180 Queen's Gate LondonSW7 2AZ United Kingdom

Background: Tissue characterisation with cardiovascular magnetic resonance (CMR) parametric mapping has the potential to detect and quantify both focal and diffuse alterations in myocardial structure not assessable by late gadolinium enhancement. Native T1 mapping in particular has shown promise as a useful biomarker to support diagnostic, therapeutic and prognostic decision-making in ischaemic and non-ischaemic cardiomyopathies. Methods: Convolutional neural networks (CNNs) with Bayesian inference are a category of artificial neural networks which model the uncertainty of the network output. This study presents an automated framework for tissue characterisation from native ShMOLLI T1 mapping at 1.5 Tesla using a Probabilistic Hierarchical Segmentation (PHiSeg) network [1]. In addition, we use the uncertainty information provided by the PHiSeg network in a novel automated quality control (QC) step to identify uncertain T1 values. The PHiSeg network and QC were validated against manual analysis on a cohort of the UK Biobank containing healthy subjects and chronic cardiomyopathy patients (N=100 for the PHiSeg network and N=700 for the QC). We used the proposed method to obtain reference T1 ranges for the left ventricular myocardium in healthy subjects as well as common clinical cardiac conditions. Results: T1 values computed from automatic and manual segmentations were highly correlated (r=0.97). Bland-Altman analysis showed good agreement between the automated and manual measurements. The average Dice metric was 0.84 for the left ventricular myocardium. The sensitivity of detection of erroneous outputs was 91%. Finally, T1 values were automatically derived from 14,683 CMR exams from the UK Biobank. Conclusions: The proposed pipeline allows for automatic analysis of myocardial native T1 mapping and includes a QC process to detect potentially erroneous results. T1 reference values were presented for healthy subjects and common clinical cardiac conditions from the large

关键词： Mapping

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Search for the doubly charmed baryon ■

引用

Science China(Physics,Mechanics & Astronomy) 2020年第2期63卷 8-22页

作者： R.Aaij C.Abellán Beteta T.Ackernley B.Adeva M.Adinolfi H.Afsharnia C.A.Aidala S.Aiola Z.Ajaltouni S.Akar P.Albicocco J.Albrecht F.Alessio M.Alexander A.Alfonso Albero G.Alkhazov P.Alvarez Cartelle A.A.Alves Jr S.Amato Y.Amhis L.An L.Anderlini G.Andreassi M.Andreotti F.Archilli J.Arnau Romeu A.Artamonov M.Artuso K.Arzymatov E.Aslanides M.Atzeni B.Audurier S.Bachmann J.J.Back S.Baker V.Balagura W.Baldini A.Baranov R.J.Barlow S.Barsuk W.Barter M.Bartolini F.Baryshnikov G.Bassi V.Batozskaya B.Batsukh A.Battig V.Battista A.Bay M.Becker F.Bedeschi I.Bediaga A.Beiter L.J.Bel V.Belavin S.Belin N.Beliy V.Bellee K.Belous I.Belyaev G.Bencivenni E.Ben-Haim S.Benson S.Beranek A.Berezhnoy *** D.Berninghoff H.C.Bernstein E.Bertholet A.Bertolin C.Betancourt F.Betti M.O.Bettler Ia.Bezshyiko S.Bhasin J.Bhom M.S.Bieker S.Bifani P.Billoir A.Birnkraut A.Bizzeti M.Bjφrn M.P.Blago T.Blake F.Blanc S.Blusk D.Bobulska V.Bocci O.Boente Garcia T.Boettcher A.Boldyrev A.Bondar N.Bondar S.Borghi M.Borisyak M.Borsato J.T.Borsuk T.J.V.Bowcock C.Bozzi S.Braun A.Brea Rodriguez M.Brodski J.Brodzicka A.Brossa Gonzalo D.Brundu E.Buchanan A.Buonaura C.Burr A.Bursche J.S.Butter J.Buytaert W.Byczynski S.Cadeddu H.Cai R.Calabrese S.Cali R.Calladine M.Calvi M.Calvo Gomez A.Camboni P.Campana D.H.Campora Perez L.Capriotti A.Carbone G.Carboni R.Cardinale A.Cardini P.Carniti K.Carvalho Akiba A.Casais Vidal G.Casse M.Cattaneo G.Cavallero R.Cenci J.Cerasoli M.G.Chapman M.Charles Ph.Charpentier G.Chatzikonstantinidis M.Chefdeville V.Chekalina C.Chen S.Chen A.Chernov S.-G.Chitic V.Chobanova M.Chrzaszcz A.Chubykin P.Ciambrone M.F.Cicala X.Cid Vidal G.Ciezarek F.Cindolo P.E.L.Clarke M.Clemencic H.V.Cliff J.Closier J.L.Cobbledick V.Coco J.A.B.Coelho J.Cogan E.Cogneras L.Cojocariu P.Collins T.Colombo A.Comerma-Montells A.Contu N.Cooke G.Coombs S.Coquereau G.Corti C.M.Costa Sobral B.Couturier D.C.Craik J.Crkovska A.Crocombe M.Cruz Torres R.Currie C.L.Da Silva E.Dall'Occo J.Dalseno C.D'Ambrosio A.Danilina P.d'Argent A.Davis O.De Aguiar Francisco K.De Bruyn S.De Capua M Centro Brasileiro de Pesquisas Fisicas(CBPF) Rio de JaneiroBrazil Universidade Federal do Rio de Janeiro(UFRJ) Rio de JaneiroBrazil Center for High Energy Physics Tsinghua UniversityBeijingChina School of Physics State Key Laboratory of Nuclear Physics and Technology Peking UniversityBeijingChina University of Chinese Academy of Sciences BeijingChina Institute Of High Energy Physics(IHEP) BeijingChina Institute of Particle Physics Central China Normal UniversityWuhanHubeiChina Univ.Grenoble Alpes Univ.Savoie Mont BlancCNRSIN2P3-LAPPAnnecyFrance Universite Clermont Auvergne CNRS/IN2P3LPCClermont-FerrandFrance Aix Marseille Univ CNRS/IN2P3CPPMMarseilleFrance LAL Univ.Paris-SudCNRS/IN2P3Universite Paris-SaclayOrsayFrance LPNHE Sorbonne Universite Paris Diderot Sorbonne Paris Cite CNRS/IN2P3ParisFrance I.Physikalisches Institut RWTH Aachen UniversityAachenGermany Fakultat Physik Technische Universitat DortmundDortmundGermany Max-Planck-Institut für Kernphysik(MPIK) HeidelbergGermany Physikalisches Institut Ruprecht-Karls-Universitat HeidelbergHeidelbergGermany School of Physics University College DublinDublinIreland INFN Sezione di Bari BariItaly INFN Sezione di Bologna BolognaItaly INFN Sezione di Ferrara FerraraItaly INFN Sezione di Firenze FirenzeItaly INFN Laboratori Nazionali di Frascati FrascatiItaly INFN Sezione di Genova GenovaItaly INFN Sezione di Milano-Bicocca MilanoItaly INFN Sezione di Milano MilanoItaly INFN Sezione di Cagliari MonserratoItaly INFN Sezione di Padova PadovaItaly INFN Sezione di Pisa PisaItaly INFN Sezione di Roma Tor Vergata RomaItaly INFN Sezione di Roma La Sapienza RomaItaly Nikhef National Institute for Subatomic Physics AmsterdamNetherlands Nikhef National Institute for Subatomic Physics and VU University Amsterdam AmsterdamNetherlands Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences KrakowPoland AGH-University of Science and Technology Faculty of Physics and Applied Computer ScienceKrakowPoland Natio

A search for the doubly charmed baryon ■^+cc is performed through its decay to theΛ^+c K^-π^+ final state,using proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7,8 and 13 *** data correspond to a total integrated luminosity of 9 fb^-*** significant signal is observed in the mass range from 3.4 to 3.8 GeV/c^*** limits are set at 95%credibility level on the ratio of the ■^+cc production cross-section times the branching fraction to that ofΛ^+c and ■^++cc *** limits are determined as functions of the ■^+cc mass for different lifetime hypotheses,in the rapidity range from 2.0 to 4.5 and the transverse momentum range from 4 to 15 GeV/c.

关键词： charmed baryons limits on production of particles charmed quarks experimental tests

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Publisher’s Note: “Methods to accelerate high-throughput screening of atomic qubit candidates in van der Waals materials” [J. Appl. Phys. 129, 225105 (2021)]

引用

Journal of applied Physics 2021年第1期130卷

作者： Rodrick Kuate Defo Haimi Nguyen Mark J. H. Ku Trevor David Rhone 1Department of Electrical and Computer Engineering Princeton University Princeton New Jersey 08540 USA 2John A. Paulson School of Engineering and Applied Sciences Harvard University Cambridge Massachusetts 02138 USA 3Department of Chemistry Columbia University New York New York 10027 USA 4Department of Physics and Astronomy and Department of Materials Science and Engineering University of Delaware Newark Delaware 19716 USA 5Department of Physics Applied Physics and Astronomy Rensselaer Polytechnic Institute Troy New York 12180 USA

This article was originally published online on 9 June 2021 with an error in Table VI. Table VI appears correct below. All online and printed versions of the ar

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