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International Conference on Broadband, Wireless Computing, Communication and Applications (BWCCA)

作者： Masahiro Hiyama Makoto Ikeda Leonard Barolli Elis Kulla Fatos Xhafa Arjan Durresi Graduate School of Engineering Fukuoka Institute of Technology Fukuoka Japan Center of Asian and Pacific Studies Seikei University Musashino Tokyo Japan Department of Information and Communication Engineering Fukuoka Institute of Technology Fukuoka Japan Department of Languages and Informatics Systems Technical University of Catalonia Barcelona Spain Department of Computer and Information Science Indiana University-Purdue University Indianapolis Indianapolis IN USA

In recent years, Mobile Ad hoc Networks (MANETs) are continuing to attract the attention for their potential use in several fields. Mobility and the absence of any fixed infrastructure make MANETs very attractive for mobility and rescue operations and time-critical applications. In this paper, we present the implementation and analysis of our implemented MANET testbed considering the Optimized Link State Routing (OLSR) protocol. We consider two models. One when all the nodes are static and another one when one node is moving. The mobile node moves toward the destination at a regular speed and when arrives at the corner of stairs is stops for about three seconds. In this work, we assess the performance of our MANET testbed in terms of throughput and packet loss. From our experiments, we found that the OLSR protocol has a good performance when nodes are in stationary state. However, when the node moves the throughput is decreased. We observed that the number of packet loss increases after 2-hops for static model and after 1-hop for moving model. But, when the node is moving, the packet loss for 2-hops to 4-hops is almost the same.

关键词： Mobile ad hoc networks Throughput Routing protocols Measurement Floors Routing

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Friction compensation of an aeroelastic wing — A TP model transformation based approach

Friction compensation of an aeroelastic wing — A TP model t...

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International Symposium on Intelligent Systems and informatics (SISY)

作者： Béla Takarics Patrícia Gróf Péter Baranyi Péter Korondi Department of Mechatronics Optics and Engineering Informatics Budapest University슠of슠Technology슠and슠Economics Budapest Hungary Computer and Automation Research Institute Cognitive Informatics Research Group Budapest Hungary Dep. of Mechatronics Optics and Eng. Informatics Budapest Hungary Dep. of Telecommunications and Media Info. Budapest Univ. of Technology and Economics Budapest Hungary

Various approaches to control aeroelastic wing section with structural nonlinearity emerged in the last years. One of the approaches is based on the Tensor Product (TP) model transformation and the feasibility test of linear matrix inequalities (LMIs) under the Parallel Distributed Compensation framework. The main contribution of this paper is that it extends the previously established qLPV model of the aeroelastic wing section with nonlinear friction. It is proven that the extended model can be exactly described after TP type polytopic decomposition. The qLPV model of the aeroelastic wing section with Coulomb friction was transformed to TP type polytopic model form for which LMI based controller was designed. The designed controller is compared to controllers of other authors dealing with the same problem.

关键词： Friction Mathematical model Force Tensile stress Biological system modeling Numerical models Finite element methods

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Impact of mobile sink forwireless sensor networks considering goodput and routing efficiency metrics

Impact of mobile sink forwireless sensor networks considerin...

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Proceedings of the Biannual World Automation Congress

作者： Tao Yang Gjergji Mino Leonard Barolli Arjan Durresi Fatos Xhafa JSPS Fellow Researcher Fukuoka Institute of Technology (FIT) Higashi-Ku Fukuoka Japan Graduate School of Engineering Fukuoka Institute of Technology (FIT) Higashi-Ku Fukuoka Japan Department of Information and Communication Engineering Fukuoka Institute of Technology (FIT) Higashi-Ku Fukuoka Japan Department of Computer and Information Science Indiana University Purdue University at Indianapolis (IUPUI) Indianapolis IN USA Department of Languages and Informatics Systems Technical University of Catalonia Barcelona Spain

Sensor networks are a sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment and in our physical and cyber infrastructure. The sensors themselves can range from small passive micro-sensors to larger scale, controllable weather-sensing platforms. In this work, we investigate how the sensor network performs in the case when the sink node moves. We consider as a metrics for evaluation goodput and Routing Efficiency (RE). We compare the simulation results when the sink node is mobile and stationary considering lattice topology using AODV protocol. The simulation results have shown that for the case of mobile sink, the goodput is better when the number of nodes is 16. However, when the number of nodes are 100 and 256, the goodput of mobile sink is worse than stationary sink when the values T r is larger than 1pps. For both stationary and mobile sinks, the RE increases with the increase of number of sensor nodes, but the RE of mobile sink is better than the stationary sink.

关键词： Topology Multiaccess communication Shadow mapping Wireless sensor networks

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Neural stem cell segmentation using local complex phase information

Neural stem cell segmentation using local complex phase info...

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IEEE International Conference on Image Processing

作者： Taoyi Chen Yong Zhang Changhong Wang Zhenshen Qu Stephen T.C. Wong Department of Control Science and Engineering Harbin Institute of Technology Harbin Heilongjiang China Computer Science Division IBM Almaden Research Center San Jose CA USA Center of Bioengineering and Informatics The Methodist Hospital Research Institute and Department of Radiology Weill Cornell Medical College Methodist Hospital Houston TX USA

Segmentation of neural stem cells is the preliminary step to treat and cure several brain neural diseases. There exist a number of methods to accomplish this task. However, all of these methods suffer from some problems, such as high intensity variation sensitivity, human interaction and high computational complexity. In this paper we proposed a novel edge-detection-based neural stem cell image segmentation algorithm using the local complex phase characteristics. The proposed method is an illumination and contrast invariant measurement of edge significance. Our contributions are that, local weighting summation Gaussian kernel convolution and a new model for phase deviation weighting function are introduced into the proposed model to improve the local phase measurement. In experiments, we show that the proposed method is more accurate and reliable than three existing gradient-based edge detection algorithms and Kovesi's model for neural stem cell image segmentation.

关键词： Image edge detection Image segmentation Stem cells Phase measurement Wavelet transforms Detectors Gabor filters

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Stability analysis of a class of MIMO fuzzy control systems

Stability analysis of a class of MIMO fuzzy control systems

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IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)

作者： radu-Emil Precup Marius L. Tomescu Emil M. Petriu Stefan Preitl János Fodor Daniela Bărbulescu Department of Automation and Applied Informatics Polytechnic University of Timisoara Timisoara Romania “Politehnica” University of Timisoara Timisoara RO Romania Faculty of Computer Science Aurel Vlaicu University of Arad Arad Romania Faculty of Computer Science Complex Universitar Arad RO Romania University of Ottawa School of Information Technology and Engineering Ottawa ON Canada Óbuda University Institute of Intelligent Engineering Systems Budapest Hungary

This paper suggests a new stability analysis approach dedicated to a class of fuzzy control systems controlling multi input-multi output (MIMO) nonlinear processes by means of Takagi-Sugeno fuzzy logic controllers. The approach is based on LaSalle's global invariant set theorem, and an original stability theorem offers sufficient stability conditions. The applicability and efficiency of the theoretical results are illustrated by a MIMO case study dealing with the fuzzy control of a spherical three tank system.

关键词： Stability analysis Process control MIMO Fuzzy control Valves Numerical stability Lyapunov method

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ICT BONE views on the network of the future: The role of optical networking

ICT BONE views on the network of the future: The role of opt...

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2010 12th International Conference on Transparent Optical Networks, ICTON 2010

作者： Politi, Christina Tzanakaki, Anna O'Mahony, Michael Katrinis, Kostas Van Daele, Peter Pickavet, Mario Simeonidou, Dimitra Stavdas, Alexandros Franzl, Gerald Mitchell, John Castoldi, Piero Spadaro, Salvatore Callegatti, Franco Petropoulos, Periklis Vlachos, Kyriakos Pattavina, Achille Department of Telecommunications Science and Technology University of Peloponnese Tripolis Terma Karaiskaki 22100 Greece Athens Information Technology Markopoulo Avenue Peania 19002 Athens Greece University of Essex Wivenhoe Park CO43SQ United Kingdom IBBT Ghent University Belgium Vienna University of Technology Favoritenstr. 9/388 1040 Vienna Austria Department of Electronic and Electrical Engineering UCL Torrington Place London WC1E 7JE United Kingdom Scuola Superiore Sant'Anna Via Moruzzi 1 56124 Pisa Italy Universitat Politècnica de Catalunya Barcelona Spain DEIS University of Bologna Via Venezia 52 47023 Cesena Italy Optoelectronics Research Centre University of Southampton Southampton SO17 1BJ United Kingdom Computer Engineering and Informatics Department Research Academic Computer Technology Institute University of Patras Rio Greece Dept. of Electronics and Information Politecnico di Milano Italy

ISBN: (纸本)9781424477975

Part of the activities of the ICT EU Network of Excellence "Building the future Optical Network in Europe" (BONE) project is the development of the European Roadmap on Optical Networking in the context of the "Network of the Future". This paper presents a summary of the views of the BONE consortium as they were developed in the framework of the Roadmap activity. The methodology followed in the development of the BONE Roadmap was firstly to identify and analyse the status of broadband access penetration as well as the availability of specific network and IT technologies in various European countries. The data collected were then processed and translated into the traffic volume (distributed across different European countries) that a Pan- European network would need to support. This information is then used as the basis of a WDM optical network dimensioning exercise performed with the aim of identifying the scale of the required optical network. In addition, based on estimations regarding the evolution of broadband access technologies and the degree of broadband penetration and network services and applications, extrapolations regarding the growth of traffic to be supported by the European Network of the Future were made in a systematic manner. These were also used to dimension and understand the requirements of the European Network of the Future. This paper presents the relevant results and also provides a discussion on the BONE consortium views on the Network of the Future from an architectural and technology perspective and an outlook of the relevant key research challenges and possible solutions. © 2010 IEEE.

关键词： Fiber optic networks

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Extending the concept of tensor product modelling for delayed systems

Extending the concept of tensor product modelling for delaye...

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International Symposium on Intelligent Systems and informatics (SISY)

作者： Péter Galambos Péter Baranyi Péter Korondi Computer and Automation Research Institute Hungarian Academy of Sciences (ATOMKI) Budapest Hungary Department of Manufacturing Science and Technology Budapest University슠of슠Technology슠and슠Economics Hungary Department of Telecommunications and Media Informatics Budapest University슠of슠Technology슠and슠Economics Hungary Department of Mechatronics Optics and Information Engineering Budapest University슠of슠Technology슠and슠Economics Hungary

Feedback delays are inherent attributes of distributed control systems that usually cause unfavorable effect on the stability of the controlled process. Modelling of such systems is essential for traceable controller synthesis. In this paper we apply the TP Model Transformation to derive a polytopic representation of an LPV model where the time-delay is considered as parameter. The method is introduced via a single degree of freedom impedance model with feedback delay. The resulted model is validated by simulation.

关键词： Mathematical model Delay Computational modeling Tensile stress Biological system modeling Impedance Numerical models

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Creating worldwide community safety with present technology and privacy protection: The e-JIKEI Network project

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Procedia - Social and Behavioral Sciences 2010年第1期2卷 6-13页

作者： Kohjiro Kobayashi Koichi Maru Naoya Ohta Noriaki Yoshiura Hiroshi Ueda Preecha Yupapin Yusaku Fujii Department of Electronic Engineering Gunma University Kiryu Gunma 376-8515 Japan Department of Computer Science Gunma University Kiryu Gunma 376-8515 Japan Area of Informatics Division of Mathematics Electronics and Information Saitama University Kiryu Gunma 376-8515 Japan Library and Information Technology Center Gunma University Kiryu Gunma 376-8515 Japan Faculty of Science King Mongkut's Institute of Technology Ladkrabang Bangkok 10520 Thailand

In this paper, the e-JIKEI Network project, a project for creating community safety with present day technology, is reviewed. With the e-JIKEI Network, each individual watches around his/her house using cameras as his/her eyes, a computer as his/her brain, and software. For privacy protection, we propose the e-JIKEI with Privacy Protection, in which people who own and manage images (the owner) and people who have the right to view the images (the viewer) are separated by the encryption of the images. In order to evaluate our concept, social experiments have been performed. The present status and future prospects have been discussed in detail.

关键词： Security Community safety Crime prevention Criminal identification Present technology e-JIKEI Network Internet network camera Privacy protection Altruism

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Search for Dilepton Resonances in pp Collisions at s=7 TeV with the ATLAS Detector

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Physical Review Letters 2011年第27期107卷 272002-272002页

作者： G. Aad B. Abbott J. Abdallah A. A. Abdelalim A. Abdesselam O. Abdinov B. Abi M. Abolins H. Abramowicz H. Abreu E. Acerbi B. S. Acharya D. L. Adams T. N. Addy J. Adelman M. Aderholz S. Adomeit P. Adragna T. Adye S. Aefsky J. A. Aguilar-Saavedra M. Aharrouche S. P. Ahlen F. Ahles A. Ahmad M. Ahsan G. Aielli T. Akdogan T. P. A. Åkesson G. Akimoto A. V. Akimov A. Akiyama M. S. Alam M. A. Alam J. Albert S. Albrand M. Aleksa I. N. Aleksandrov F. Alessandria C. Alexa G. Alexander G. Alexandre T. Alexopoulos M. Alhroob M. Aliev G. Alimonti J. Alison M. Aliyev P. P. Allport S. E. Allwood-Spiers J. Almond A. Aloisio R. Alon A. Alonso M. G. Alviggi K. Amako P. Amaral C. Amelung V. V. Ammosov A. Amorim G. Amorós N. Amram C. Anastopoulos L. S. Ancu N. Andari T. Andeen C. F. Anders G. Anders K. J. Anderson A. Andreazza V. Andrei M-L. Andrieux X. S. Anduaga A. Angerami F. Anghinolfi N. Anjos A. Annovi A. Antonaki M. Antonelli A. Antonov J. Antos F. Anulli S. Aoun L. Aperio Bella R. Apolle G. Arabidze I. Aracena Y. Arai A. T. H. Arce J. P. Archambault S. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armbruster O. Arnaez C. Arnault A. Artamonov G. Artoni D. Arutinov S. Asai R. Asfandiyarov S. Ask B. Åsman L. Asquith K. Assamagan A. Astbury A. Astvatsatourov G. Atoian B. Aubert E. Auge K. Augsten M. Aurousseau N. Austin G. Avolio R. Avramidou D. Axen C. Ay G. Azuelos Y. Azuma M. A. Baak G. Baccaglioni C. Bacci A. M. Bach H. Bachacou K. Bachas G. Bachy M. Backes M. Backhaus E. Badescu P. Bagnaia S. Bahinipati Y. Bai D. C. Bailey T. Bain J. T. Baines O. K. Baker M. D. Baker S. Baker E. Banas P. Banerjee Sw. Banerjee D. Banfi A. Bangert V. Bansal H. S. Bansil L. Barak S. P. Baranov A. Barashkou A. Barbaro Galtieri T. Barber E. L. Barberio D. Barberis M. Barbero D. Y. Bardin T. Barillari M. Barisonzi T. Barklow N. Barlow B. M. Barnett R. M. Barnett A. Baroncelli G. Barone A. J. Barr F. Barreiro J. Barreiro Guimarães da Costa P. Barrillon R. Bartoldus A. E. Barton D. Bartsch V. Bartsch R. L. Bates L. Batkova J. R. Batley A. Battaglia M. Ba Fakultät für Mathematik und Physik Albert-Ludwigs-Universität Freiburg i.Br. Germany Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman Oklahoma USA Institut de Física d’Altes Energies and Departament de Física de la Universitat Autònoma de Barcelona and ICREA Barcelona Spain Section de Physique Université de Genève Geneva Switzerland Department of Physics Oxford University Oxford United Kingdom Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan Department of Physics Oklahoma State University Stillwater Oklahoma USA Department of Physics and Astronomy Michigan State University East Lansing Michigan USA Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel LAL Univ. Paris-Sud and CNRS/IN2P3 Orsay France INFN Sezione di Milano Milano Italy Dipartimento di Fisica Università di Milano Milano Italy INFN Gruppo Collegato di Udine Udine Italy ICTP Trieste Italy Physics Department Brookhaven National Laboratory Upton New York USA Department of Physics Hampton University Hampton Virginia USA Department of Physics Yale University New Haven Connecticut USA Max-Planck-Institut für Physik (Werner-Heisenberg-Institut) München Germany Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Department of Physics Queen Mary University of London London United Kingdom Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Department of Physics Brandeis University Waltham Massachusetts USA Departamento de Fisica Teorica y del Cosmos and CAFPE Universidad de Granada Granada Portugal Institut für Physik Universität Mainz Mainz Germany Department of Physics Boston University Boston Massachusetts USA Department of Physics and Astronomy Stony Brook University Stony Brook New York USA Physics Department University of Texas at Dallas Richardson Texas USA INFN Sezione di Roma Tor Vergata Roma Italy Dipartimento di Fisica

This Letter reports on a search for narrow high-mass resonances decaying into dilepton final states. The data were recorded by the ATLAS experiment in pp collisions at s=7 TeV at the Large Hadron Collider and correspond to a total integrated luminosity of 1.08 (1.21) fb−1 in the e+e− (μ+μ−) channel. No statistically significant excess above the standard model expectation is observed and upper limits are set at the 95% C.L. on the cross section times branching fraction of Z′ resonances and randall-Sundrum gravitons decaying into dileptons as a function of the resonance mass. A lower mass limit of 1.83 TeV on the sequential standard model Z′ boson is set. A randall-Sundrum graviton with coupling k/M¯Pl=0.1 is excluded at 95% C.L. for masses below 1.63 TeV.

关键词： DILEPTON production LARGE Hadron Collider (France & Switzerland) RESONANCE HADRON colliders STANDARD model (Nuclear physics) Z bosons

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Search for a Heavy Particle Decaying into an Electron and a Muon with the ATLAS Detector in s=7 TeV pp collisions at the LHC

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Physical Review Letters 2011年第25期106卷 251801-251801页

作者： G. Aad B. Abbott J. Abdallah A. A. Abdelalim A. Abdesselam O. Abdinov B. Abi M. Abolins H. Abramowicz H. Abreu E. Acerbi B. S. Acharya D. L. Adams T. N. Addy J. Adelman M. Aderholz S. Adomeit P. Adragna T. Adye S. Aefsky J. A. Aguilar-Saavedra M. Aharrouche S. P. Ahlen F. Ahles A. Ahmad M. Ahsan G. Aielli T. Akdogan T. P. A. Åkesson G. Akimoto A. V. Akimov A. Akiyama M. S. Alam M. A. Alam S. Albrand M. Aleksa I. N. Aleksandrov F. Alessandria C. Alexa G. Alexander G. Alexandre T. Alexopoulos M. Alhroob M. Aliev G. Alimonti J. Alison M. Aliyev P. P. Allport S. E. Allwood-Spiers J. Almond A. Aloisio R. Alon A. Alonso M. G. Alviggi K. Amako P. Amaral C. Amelung V. V. Ammosov A. Amorim G. Amorós N. Amram C. Anastopoulos T. Andeen C. F. Anders K. J. Anderson A. Andreazza V. Andrei M-L. Andrieux X. S. Anduaga A. Angerami F. Anghinolfi N. Anjos A. Annovi A. Antonaki M. Antonelli S. Antonelli A. Antonov J. Antos F. Anulli S. Aoun L. Aperio Bella R. Apolle G. Arabidze I. Aracena Y. Arai A. T. H. Arce J. P. Archambault S. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armbruster O. Arnaez C. Arnault A. Artamonov G. Artoni D. Arutinov S. Asai R. Asfandiyarov S. Ask B. Åsman L. Asquith K. Assamagan A. Astbury A. Astvatsatourov G. Atoian B. Aubert B. Auerbach E. Auge K. Augsten M. Aurousseau N. Austin R. Avramidou D. Axen C. Ay G. Azuelos Y. Azuma M. A. Baak G. Baccaglioni C. Bacci A. M. Bach H. Bachacou K. Bachas G. Bachy M. Backes M. Backhaus E. Badescu P. Bagnaia S. Bahinipati Y. Bai D. C. Bailey T. Bain J. T. Baines O. K. Baker M. D. Baker S. Baker F. Baltasar Dos Santos Pedrosa E. Banas P. Banerjee Sw. Banerjee D. Banfi A. Bangert V. Bansal H. S. Bansil L. Barak S. P. Baranov A. Barashkou A. Barbaro Galtieri T. Barber E. L. Barberio D. Barberis M. Barbero D. Y. Bardin T. Barillari M. Barisonzi T. Barklow N. Barlow B. M. Barnett R. M. Barnett A. Baroncelli A. J. Barr F. Barreiro J. Barreiro Guimarães da Costa P. Barrillon R. Bartoldus A. E. Barton D. Bartsch V. Bartsch R. L. Bates L. Batkova J. R. Batley A. Battaglia M. Battist Fakultät für Mathematik und Physik Albert-Ludwigs-Universität Freiburg i.Br. Germany Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman Oklahoma USA Institut de Física d’Altes Energies and Universitat Autònoma de Barcelona and ICREA Barcelona Spain Section de Physique Université de Genève Geneva Switzerland Department of Physics Oxford University Oxford United Kingdom Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan Department of Physics Oklahoma State University Stillwater Oklahoma USA Department of Physics and Astronomy Michigan State University East Lansing Michigan USA Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel LAL Univ. Paris-Sud and CNRS/IN2P3 Orsay France INFN Sezione di Milano Italy Dipartimento di Fisica Università di Milano Milano Italy INFN Gruppo Collegato di Udine Italy ICTP Trieste Italy Physics Department Brookhaven National Laboratory Upton New York USA Department of Physics Hampton University Hampton Virginia USA Department of Physics Yale University New Haven Connecticut USA Max-Planck-Institut für Physik (Werner-Heisenberg-Institut) München Germany Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Department of Physics Queen Mary University of London London United Kingdom Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Department of Physics Brandeis University Waltham Massachusetts USA Departamento de Fisica Teorica y del Cosmos and CAFPE Universidad de Granada Granada Portugal Institut für Physik Universität Mainz Mainz Germany Department of Physics Boston University Boston Massachusetts USA Department of Physics and Astronomy Stony Brook University Stony Brook New York USA Physics Department University of Texas at Dallas Richardson Texas USA INFN Sezione di Roma Tor Vergata Italy Dipartimento di Fisica Università di Roma Tor Vergata Roma Italy Depar

This Letter presents the first search for a heavy particle decaying into an e±μ∓ final state in s=7 TeV pp collisions at the LHC. The data were recorded by the ATLAS detector during 2010 and correspond to a total integrated luminosity of 35 pb−1. No excess above the standard model background expectation is observed. Exclusions at 95% confidence level are placed on two representative models. In an R-parity violating supersymmetric model, tau sneutrinos with a mass below 0.75 TeV are excluded, assuming all R-parity violating couplings are zero except λ311′=0.11 and λ312=0.07. In a lepton flavor violating model, a Z′-like vector boson with masses of 0.70–1.00 TeV and corresponding cross sections times branching ratios of 0.175–0.183 pb is excluded. These results extend to higher mass R-parity violating sneutrinos and lepton flavor violating Z’s than previous constraints from the Tevatron.

关键词： Tellurium compounds

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