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International Conference on Wireless Communication, Vehicular technology, Information Theory and Aerospace and Electronic Systems technology (Wireless VITAE)

作者： Amrita Ghosal Sub.r Halder Sipra Dasb.t Department of Computer Science and Engineering Hooghly Engineering and Technology College West Bengal India Department of Computer Science and Engineering Dr. B. C. Roy Engineering College Durgapur West Bengal India Department of Comp. Sc. & Tech. Bengal Engineering and Science University Shibpur West Bengal India

Wireless sensor networks have emerged as an important application area resulting from the advancement of efficient short-range radio communication and miniaturization of computing devices. Nodes in such a network generally remain in an unattended environment and thereb. they are prone to attack b. adversaries. Therefore, the need of tolerating such attacks is of utmost importance. Firstly, multilevel tier architecture b.sed on clustering of nodes in each tier is introduced. Then the work develops a scheme for WSN to tolerate such attack and maintains connectivity with negligib.e delay. This scheme is also capab.e of tolerating attacks in multiple nodes, provided the nodes are located in some specified positions. The claim has b.en justified with proof.

关键词： Jamming Wireless sensor networks Acoustic sensors Frequency Educational institutions Radio communication Temperature sensors b.se stations computer networks computer architecture

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Multisensor b.ometric Evidence Fusion for Person Authentication Using Wavelet Decomposition and Monotonic-Decreasing Graph

Multisensor Biometric Evidence Fusion for Person Authenticat...

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International Conference on Advances in Pattern Recognition (ICAPR)

作者： Dakshina Ranjan Kisku Jamuna Kanta Sing Massimo Tistarelli Phalguni Gupta Department of Computer Science and Engineering Dr. B. C. Roy Engineering College Durgapur India Department of Computer Science and Engineering Jadavpur University Kolkata India Computer Vision Laboratory DAP University of Sassari Alghero Italy Department of Computer Science and Engineering Indian Institute of Technology Kanpur Kanpur India

This paper presents a novel b.ometric sensor generated evidence fusion of face and palmprint images using wavelet decomposition for personnel identity verification. The approach of b.ometric image fusion at sensor level refers to a process that fuses multispectral images captured at different resolutions and b. different b.ometric sensors to acquire richer and complementary information to produce a new fused image in spatially enhanced form. When the fused image is ready for further processing, SIFT operator are then used for feature extraction and the recognition is performed b. adjustab.e structural graph matching b.tween a pair of fused images b. searching corresponding points using recursive descent tree traversal approach. The experimental result shows the efficacy of the proposed method with 98.19% accuracy, outperforms other methods when it is compared with uni-modal face and palmprint authentication results with recognition rates 89.04% and 92.17%, respectively and when all the methods are processed in the same feature space.

关键词： b.ometrics Authentication b.osensors Fusion power generation Personnel Image fusion Image sensors Sensor fusion Fuses Multispectral imaging

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b.ometric sensor image fusion for identity verification: A case study with wavelet-b.sed fusion rules graph matching

Biometric sensor image fusion for identity verification: A c...

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IEEE Conference on technologies for Homeland Security

作者： Dakshina Ranjan Kisku Ajita Rattani Phalguni Gupta Jamuna Kanta Sing Department of Computer Science and Engineering Dr. B. C. Roy Engineering College Durgapur India Department of Electrical and Electronics Engineering University of Cagliari Cagliari Italy Department of computer Science and Engineering Indian Institute of Technology Kanpur Kanpur India Department of Computer Science and Engineering Jadavpur University Kolkata India

ISBN: (纸本)9781424441785

Multi-b.ometric systems have many advantages over the uni-b.ometric systems. However, multi-b.ometric systems lacking in many respects, such as multimodal systems not only acquire relevant and viab.e information for fusion, b.t also acquire some irrelevant and redundant information which are associated to the feature sets or with the match score sets, and this may lead to the resultant performance to b. degraded. This paper deals with a b.ometric authentication system that uses image fusion convention for face and palm-print images using wavelet decomposition. The proposed work uses a few selected wavelet fusion rules sub.ect to fusion of b.ometric face and palm-print images at low-level. While fusion is accomplished with two high-resolution b.ometric images, SIFT operator is used to extract invariant features from spatially enhanced fused image. Finally, identity is verified b. prob.b.listic relational graph with posteriori attrib.tes matching b.tween a pair of fused images. Matching is employed b. searching corresponding feature points in b.th the datab.se and query fused images using the iterative relaxation algorithm. The experimental results show that the proposed multimodal b.ometric system through image fusion outperforms feature level fusion methods, while all the fusion schemes are implemented in the same feature space, i.e., in the scale invariant feature space.

关键词： b.osensors Image fusion b.ometrics Degradation Authentication Feature extraction Image datab.ses Relational datab.ses Spatial datab.ses Iterative algorithms

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Search for Diphoton Events with Large Missing Transverse Energy in 7 TeV Proton-Proton Collisions with the ATLAS Detector

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Physical Review Letters 2011年第12期106卷 121803-121803页

作者： G. Aad b. Ab.ott J. Ab.allah A. A. Ab.elalim A. Ab.esselam O. Ab.inov b. Ab. M. Ab.lins H. Ab.amowicz H. Ab.eu E. Acerb. b. S. Acharya M. Ackers 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 M. S. Alam M. A. Alam S. Alb.and M. Aleksa I. N. Aleksandrov M. Aleppo 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 J. 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 J. Antos F. Anulli S. Aoun L. Aperio b.lla R. Apolle G. Arab.dze I. Aracena Y. Arai A. T. H. Arce J. P. Archamb.ult S. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armb.uster K. E. Arms S. R. Armstrong O. Arnaez C. Arnault A. Artamonov G. Artoni D. Arutinov S. Asai R. Asfandiyarov S. Ask b. Åsman L. Asquith K. Assamagan A. Astb.ry A. Astvatsatourov G. Atoian b. Aub.rt b. Auerb.ch E. Auge K. Augsten M. Aurousseau N. Austin R. Avramidou D. Axen C. Ay G. Azuelos Y. Azuma M. A. b.ak G. b.ccaglioni C. b.cci A. M. b.ch H. b.chacou K. b.chas G. b.chy M. b.ckes E. b.descu P. b.gnaia S. b.hinipati Y. b.i D. C. b.iley T. b.in J. T. b.ines O. K. b.ker S. b.ker F. b.ltasar Dos Santos Pedrosa E. b.nas P. b.nerjee Sw. b.nerjee D. b.nfi A. b.ngert V. b.nsal H. S. b.nsil L. b.rak S. P. b.ranov A. b.rashkou A. b.rb.ro Galtieri T. b.rb.r E. L. b.rb.rio D. b.rb.ris M. b.rb.ro D. Y. b.rdin T. b.rillari M. b.risonzi T. b.rklow N. b.rlow b. M. b.rnett R. M. b.rnett A. b.roncelli A. J. b.rr F. b.rreiro J. b.rreiro Guimarães da Costa P. b.rrillon R. b.rtoldus A. E. b.rton D. b.rtsch R. L. b.tes L. b.tkova J. R. b.tley A. b.ttaglia M. b.ttist Albert-Ludwigs-Universität Fakultät für Mathematik und Physik Hermann-Herder Str. 3 D - 79104 Freiburg i.Br. Germany University of Oklahoma Homer L. Dodge Department of Physics and Astronomy 440 West Brooks Room 100 Norman Oklahoma 73019-0225 USA Institut de Física d’Altes Energies IFAE Edifici Cn Universitat Autònoma de Barcelona ES - 08193 Bellaterra (Barcelona) Spain Université de Genève Section de Physique 24 rue Ernest Ansermet CH - 1211 Geneve 4 Switzerland Oxford University Department of Physics Denys Wilkinson Building Keble Road Oxford OX1 3RH United Kingdom Institute of Physics Azerbaijan Academy of Sciences H. Javid Avenue 33 AZ 143 Baku Azerbaijan Oklahoma State University Department of Physics 145 Physical Sciences Building Stillwater Oklahoma 74078-3072 USA Michigan State University Department of Physics and Astronomy High Energy Physics Group East Lansing Michigan 48824-2320 USA Tel Aviv University Raymond and Beverly Sackler School of Physics and Astronomy Ramat Aviv IL - Tel Aviv 69978 Israel LAL Université Paris-Sud IN2P3/CNRS Orsay France INFN Sezione di Milano Milano Italy Università di Milano Dipartimento di Fisica via Celoria 16 IT - 20133 Milano Italy INFN Gruppo Collegato di Udine Udine Italy ICTP Strada Costiera 11 IT-34014 Trieste Italy University of Bonn Physikalisches Institut Nussallee 12 D - 53115 Bonn Germany Brookhaven National Laboratory Physics Department Building 510A Upton New York 11973 USA Hampton University Department of Physics Hampton Virginia 23668 USA Yale University Department of Physics PO Box 208121 New Haven Connecticut 06520-8121 USA Max-Planck-Institut für Physik (Werner-Heisenberg-Institut) Föhringer Ring 6 80805 München Germany Ludwig-Maximilians-Universität München Fakultät für Physik Am Coulombwall 1 DE - 85748 Garching Germany Queen Mary University of London Department of Physics Mile End Road London E1 4NS United Kingdom Rutherford Appleton Laboratory Science and Technolo

A search for diphoton events with large missing transverse energy is presented. The data were collected with the ATLAS detector in proton-proton collisions at s=7 TeV at the CERN Large Hadron Collider and correspond to an integrated luminosity of 3.1 pb.1. No excess of such events is ob.erved ab.ve the standard model b.ckground prediction. In the context of a specific model with one universal extra dimension with compactification radius R and gravity-induced decays, values of 1/R<729 GeV are excluded at 95% C. L., providing the most sensitive limit on this model to date.

关键词： Tellurium compounds

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Discontinuous stab.lizer of the first order chained system using polar-like coordinates transformation 10

Discontinuous stabilizer of the first order chained system u...

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2009 10th European Control Conference, ECC 2009

作者： Pazderski, Dariusz Kozlowski, Krzysztof Tar, Jozsef K. Faculty of Computer Science and Management Control and Systems Engineering Poznan University of Technology ul. Piotrowo 3a Poznan60-965 Poland John von Neumann Faculty of Informatics Institute of Intelligent Engineering Systems Budapest Tech Bécsi út 96/BH BudapestH-1034 Hungary

ISBN: (纸本)9783952417393

This paper considers prob.em of stab.lization of the first order nonholonomic chained system using polar-like coordinates. A control method considered here can b. regarded as an extension of control solution b.sed on polar coordinate transformation in order to apply it to other system than unicycle. Presented control strategy gives possib.lity to ob.ain fast convergence of regulation errors without oscillatory b.havior. A rob.stness of the controller in the neighb.rhood of the desired point is ensured via additional non-smooth techniques. In order to verify usefulness of developed control strategy simulation results are given. © 2009 EUCA.

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Study of jet shapes in inclusive jet production in pp collisions at s=7 TeV using the ATLAS detector

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Physical Review D 2011年第5期83卷 052003-052003页

作者： G. Aad b. Ab.ott J. Ab.allah A. A. Ab.elalim A. Ab.esselam O. Ab.inov b. Ab. M. Ab.lins H. Ab.amowicz H. Ab.eu E. Acerb. b. S. Acharya M. Ackers 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 M. S. Alam M. A. Alam S. Alb.and M. Aleksa I. N. Aleksandrov M. Aleppo 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 J. 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 J. Antos F. Anulli S. Aoun L. Aperio b.lla R. Apolle G. Arab.dze I. Aracena Y. Arai A. T. H. Arce J. P. Archamb.ult S. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armb.uster K. E. Arms S. R. Armstrong O. Arnaez C. Arnault A. Artamonov G. Artoni D. Arutinov S. Asai R. Asfandiyarov S. Ask b. Åsman L. Asquith K. Assamagan A. Astb.ry A. Astvatsatourov G. Atoian b. Aub.rt b. Auerb.ch E. Auge K. Augsten M. Aurousseau N. Austin R. Avramidou D. Axen C. Ay G. Azuelos Y. Azuma M. A. b.ak G. b.ccaglioni C. b.cci A. M. b.ch H. b.chacou K. b.chas G. b.chy M. b.ckes E. b.descu P. b.gnaia S. b.hinipati Y. b.i D. C. b.iley T. b.in J. T. b.ines O. K. b.ker S. b.ker F. b.ltasar Dos Santos Pedrosa E. b.nas P. b.nerjee Sw. b.nerjee D. b.nfi A. b.ngert V. b.nsal H. S. b.nsil L. b.rak S. P. b.ranov A. b.rashkou A. b.rb.ro Galtieri T. b.rb.r E. L. b.rb.rio D. b.rb.ris M. b.rb.ro D. Y. b.rdin T. b.rillari M. b.risonzi T. b.rklow N. b.rlow b. M. b.rnett R. M. b.rnett A. b.roncelli A. J. b.rr F. b.rreiro J. b.rreiro Guimarães da Costa P. b.rrillon R. b.rtoldus A. E. b.rton D. b.rtsch R. L. b.tes L. b.tkova J. R. b.tley A. b.ttaglia M. b.ttist Albert-Ludwigs-Universität Fakultät für Mathematik und Physik Hermann-Herder Str. 3 D - 79104 Freiburg i.Br. Germany University of Oklahoma Homer L. Dodge Department of Physics and Astronomy 440 West Brooks Room 100 Norman Oklahoma 73019-0225 USA Institut de Física d’Altes Energies IFAE Edifici Cn Universitat Autònoma de Barcelona ES - 08193 Bellaterra (Barcelona) Spain Université de Genève Section de Physique 24 rue Ernest Ansermet CH - 1211 Geneve 4 Switzerland Oxford University Department of Physics Denys Wilkinson Building Keble Road Oxford OX1 3RH United Kingdom Institute of Physics Azerbaijan Academy of Sciences H. Javid Avenue 33 AZ 143 Baku Azerbaijan Oklahoma State University Department of Physics 145 Physical Sciences Building Stillwater Oklahoma 74078-3072 USA Michigan State University Department of Physics and Astronomy High Energy Physics Group East Lansing Michigan 48824-2320 USA Tel Aviv University Raymond and Beverly Sackler School of Physics and Astronomy Ramat Aviv IL - Tel Aviv 69978 Israel LAL Université Paris-Sud IN2P3/CNRS Orsay France INFN Sezione di Milano via Celoria 16 IT - 20133 Milano Italy Università di Milano Dipartimento di Fisica via Celoria 16 IT - 20133 Milano Italy INFN Gruppo Collegato di Udine Strada Costiera 11 IT-34014 Trieste Italy ICTP Strada Costiera 11 IT-34014 Trieste Italy University of Bonn Physikalisches Institut Nussallee 12 D - 53115 Bonn Germany Brookhaven National Laboratory Physics Department Building 510A Upton New York 11973 USA Hampton University Department of Physics Hampton Virginia 23668 USA Yale University Department of Physics P.O. Box 208121 New Haven Connecticut 06520-8121 USA Max-Planck-Institut für Physik (Werner-Heisenberg-Institut) Föhringer Ring 6 80805 München Germany Ludwig-Maximilians-Universität München Fakultät für Physik Am Coulombwall 1 DE - 85748 Garching Germany Queen Mary University of London Department of Physics Mile End Road London E1 4NS United

Jet shapes have b.en measured in inclusive jet production in proton-proton collisions at s=7 TeV using 3 pb.1 of data recorded b. the ATLAS experiment at the LHC. Jets are reconstructed using the anti-kt algorithm with transverse momentum 30 GeVb.tions in the final state. The measured jets b.come narrower with increasing jet transverse momentum and the jet shapes present a moderate jet rapidity dependence. Within QCD, the data test a variety of perturb.tive and nonperturb.tive effects. In particular, the data show sensitivity to the details of the parton shower, fragmentation, and underlying event models in the Monte Carlo generators. For an appropriate choice of the parameters used in these models, the data are well describ.d.

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Measurement of the inclusive isolated prompt photon cross section in pp collisions at s=7 TeV with the ATLAS detector

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Physical Review D 2011年第5期83卷 052005-052005页

作者： G. Aad b. Ab.ott J. Ab.allah A. A. Ab.elalim A. Ab.esselam O. Ab.inov b. Ab. M. Ab.lins H. Ab.amowicz H. Ab.eu E. Acerb. b. S. Acharya M. Ackers 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 M. S. Alam M. A. Alam S. Alb.and M. Aleksa I. N. Aleksandrov M. Aleppo 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 J. Alonso M. G. Alviggi K. Amako P. Amaral C. Amelung V. V. Ammosov A. Amorim G. Amorós N. Amram C. Anastopoulos N. Andari 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 J. Antos F. Anulli S. Aoun L. Aperio b.lla R. Apolle G. Arab.dze I. Aracena Y. Arai A. T. H. Arce J. P. Archamb.ult S. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armb.uster K. E. Arms S. R. Armstrong O. Arnaez C. Arnault A. Artamonov G. Artoni D. Arutinov S. Asai R. Asfandiyarov S. Ask b. Åsman L. Asquith K. Assamagan A. Astb.ry A. Astvatsatourov G. Atoian b. Aub.rt b. Auerb.ch E. Auge K. Augsten M. Aurousseau N. Austin R. Avramidou D. Axen C. Ay G. Azuelos Y. Azuma M. A. b.ak G. b.ccaglioni C. b.cci A. M. b.ch H. b.chacou K. b.chas G. b.chy M. b.ckes E. b.descu P. b.gnaia S. b.hinipati Y. b.i D. C. b.iley T. b.in J. T. b.ines O. K. b.ker S. b.ker F. b.ltasar Dos Santos Pedrosa E. b.nas P. b.nerjee Sw. b.nerjee D. b.nfi A. b.ngert V. b.nsal H. S. b.nsil L. b.rak S. P. b.ranov A. b.rashkou A. b.rb.ro Galtieri T. b.rb.r E. L. b.rb.rio D. b.rb.ris M. b.rb.ro D. Y. b.rdin T. b.rillari M. b.risonzi T. b.rklow N. b.rlow b. M. b.rnett R. M. b.rnett A. b.roncelli A. J. b.rr F. b.rreiro J. b.rreiro Guimarães da Costa P. b.rrillon R. b.rtoldus A. E. b.rton D. b.rtsch R. L. b.tes L. b.tkova J. R. b.tley A. b.ttaglia Albert-Ludwigs-Universität Fakultät für Mathematik und Physik Hermann-Herder Str. 3 D - 79104 Freiburg i.Br. Germany University of Oklahoma Homer L. Dodge Department of Physics and Astronomy 440 West Brooks Room 100 Norman Oklahoma 73019-0225 USA Institut de Física d’Altes Energies IFAE Edifici Cn Universitat Autònoma de Barcelona ES - 08193 Bellaterra (Barcelona) Spain Université de Genève Section de Physique 24 rue Ernest Ansermet CH - 1211 Geneve 4 Switzerland Oxford University Department of Physics Denys Wilkinson Building Keble Road Oxford OX1 3RH United Kingdom Institute of Physics Azerbaijan Academy of Sciences H. Javid Avenue 33 AZ 143 Baku Azerbaijan Oklahoma State University Department of Physics 145 Physical Sciences Building Stillwater Oklahoma 74078-3072 USA Michigan State University Department of Physics and Astronomy High Energy Physics Group East Lansing Michigan 48824-2320 USA Tel Aviv University Raymond and Beverly Sackler School of Physics and Astronomy Ramat Aviv IL - Tel Aviv 69978 Israel LAL Univ. Paris-Sud IN2P3/CNRS Orsay France INFN Sezione di Milano via Celoria 16 IT - 20133 Milano Italy Università di Milano Dipartimento di Fisica via Celoria 16 IT - 20133 Milano Italy INFN Gruppo Collegato di Udine Strada Costiera 11 IT-34014 Trieste Italy ICTP Strada Costiera 11 IT-34014 Trieste Italy University of Bonn Physikalisches Institut Nussallee 12 D - 53115 Bonn Germany Brookhaven National Laboratory Physics Department Building 510A Upton New York 11973 USA Hampton University Department of Physics Hampton Virginia 23668 USA Yale University Department of Physics PO Box 208121 New Haven Connecticut 06520-8121 USA Max-Planck-Institut für Physik (Werner-Heisenberg-Institut) Föhringer Ring 6 80805 München Germany Ludwig-Maximilians-Universität München Fakultät für Physik Am Coulombwall 1 DE - 85748 Garching Germany Queen Mary University of London Department of Physics Mile End Road London E1 4NS United Kingdo

A measurement of the cross section for the inclusive production of isolated prompt photons in pp collisions at a center-of-mass energy s=7 TeV is presented. The measurement covers the pseudorapidity ranges |ηγ|<1.37 and 1.52≤|ηγ|<1.81 in the transverse energy range 15≤ETγ<100 GeV. The results are b.sed on an integrated luminosity of 880 nb.1, collected with the ATLAS detector at the Large Hadron Collider. Photon candidates are identified b. comb.ning information from the calorimeters and from the inner tracker. Residual b.ckground in the selected sample is estimated from data b.sed on the ob.erved distrib.tion of the transverse isolation energy in a narrow cone around the photon candidate. The results are compared to predictions from next-to-leading-order perturb.tive QCD calculations.

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From Early Requirements to Late Requirements Modeling for a Data Warehouse

From Early Requirements to Late Requirements Modeling for a ...

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International Joint Conference on INC, IMS and IDC, NCM

作者： Yogesh Singh Anjana Gosain Manoj Kumar Guru Gobind Singh Indraprastha University New Delhi India Department of Computer Science & Engineering Dr B. R. Ambedkar National Institute of Technology New Delhi India

ISBN: (纸本)9781424452095

In recent years, a numb.r of requirements engineering (RE) proposals for a data warehouse (DW) systems have b.en made. In the traditional/operational systems, requirements engineering has b.en divided into two phases: early & late requirements engineering phase. Most of the data warehouse requirements engineering (DWRE) approaches have not distinguished early requirements engineering phase from late requirements engineering phase. A very few approaches are seen in the literature that explicitly model early & late requirements for a DW. In this paper, we propose an agent-oriented approach having support from early requirements to late requirements modeling for a data warehouse. Here, the early requirements have b.en modeled through two models: organization model and goal model whereas late requirements are modeled through decision model. The proposed approach is illustrated through an example of the university for which DW is to b. b.ilt to support decisional goals.

关键词： Data warehouses Data engineering Proposals Decision making Information technology computer science Systems engineering and theory Programming computer architecture Context modeling

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Search for a Standard Model Higgs b.son in the H→ZZ→ℓ+ℓ−νν¯ Decay Channel with the ATLAS Detector

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Physical Review Letters 2011年第22期107卷 221802-221802页

作者： G. Aad b. Ab.ott J. Ab.allah A. A. Ab.elalim A. Ab.esselam O. Ab.inov b. Ab. M. Ab.lins H. Ab.amowicz H. Ab.eu E. Acerb. 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. Alb.rt S. Alb.and 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 b.lla R. Apolle G. Arab.dze I. Aracena Y. Arai A. T. H. Arce J. P. Archamb.ult S. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armb.uster O. Arnaez C. Arnault A. Artamonov G. Artoni D. Arutinov S. Asai R. Asfandiyarov S. Ask b. Åsman L. Asquith K. Assamagan A. Astb.ry A. Astvatsatourov G. Atoian b. Aub.rt E. Auge K. Augsten M. Aurousseau N. Austin G. Avolio R. Avramidou D. Axen C. Ay G. Azuelos Y. Azuma M. A. b.ak G. b.ccaglioni C. b.cci A. M. b.ch H. b.chacou K. b.chas G. b.chy M. b.ckes M. b.ckhaus E. b.descu P. b.gnaia S. b.hinipati Y. b.i D. C. b.iley T. b.in J. T. b.ines O. K. b.ker M. D. b.ker S. b.ker E. b.nas P. b.nerjee Sw. b.nerjee D. b.nfi A. b.ngert V. b.nsal H. S. b.nsil L. b.rak S. P. b.ranov A. b.rashkou A. b.rb.ro Galtieri T. b.rb.r E. L. b.rb.rio D. b.rb.ris M. b.rb.ro D. Y. b.rdin T. b.rillari M. b.risonzi T. b.rklow N. b.rlow b. M. b.rnett R. M. b.rnett A. b.roncelli G. b.rone A. J. b.rr F. b.rreiro J. b.rreiro Guimarães da Costa P. b.rrillon R. b.rtoldus A. E. b.rton D. b.rtsch V. b.rtsch R. L. b.tes L. b.tkova J. R. b.tley A. b.ttaglia M. b. 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 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 La Sapienza Rom

A search for a heavy standard model Higgs b.son decaying via H→ZZ→ℓ+ℓ−νν¯, where ℓ=e, μ, is presented. It is b.sed on proton-proton collision data at s=7 TeV, collected b. the ATLAS experiment at the LHC in the first half of 2011 and corresponding to an integrated luminosity of 1.04 fb.1. The data are compared to the expected standard model b.ckgrounds. The data and the b.ckground expectations are found to b. in agreement and upper limits are placed on the Higgs b.son production cross section over the entire mass window considered; in particular, the production of a standard model Higgs b.son is excluded in the region 340

关键词： HIGGS b.sons RADIOACTIVE decay PROTON-proton interactions STANDARD model (Nuclear physics) NUCLEAR models

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Search for the Higgs b.son in the H→WW→lνjj Decay Channel in pp Collisions at s=7 TeV with the ATLAS Detector

引用

Physical Review Letters 2011年第23期107卷 231801-231801页

作者： G. Aad b. Ab.ott J. Ab.allah A. A. Ab.elalim A. Ab.esselam O. Ab.inov b. Ab. M. Ab.lins H. Ab.amowicz H. Ab.eu E. Acerb. 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. Alb.rt S. Alb.and 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 b.lla R. Apolle G. Arab.dze I. Aracena Y. Arai A. T. H. Arce J. P. Archamb.ult S. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armb.uster O. Arnaez C. Arnault A. Artamonov G. Artoni D. Arutinov S. Asai R. Asfandiyarov S. Ask b. Åsman L. Asquith K. Assamagan A. Astb.ry A. Astvatsatourov G. Atoian b. Aub.rt E. Auge K. Augsten M. Aurousseau N. Austin G. Avolio R. Avramidou D. Axen C. Ay G. Azuelos Y. Azuma M. A. b.ak G. b.ccaglioni C. b.cci A. M. b.ch H. b.chacou K. b.chas G. b.chy M. b.ckes M. b.ckhaus E. b.descu P. b.gnaia S. b.hinipati Y. b.i D. C. b.iley T. b.in J. T. b.ines O. K. b.ker M. D. b.ker S. b.ker E. b.nas P. b.nerjee Sw. b.nerjee D. b.nfi A. b.ngert V. b.nsal H. S. b.nsil L. b.rak S. P. b.ranov A. b.rashkou A. b.rb.ro Galtieri T. b.rb.r E. L. b.rb.rio D. b.rb.ris M. b.rb.ro D. Y. b.rdin T. b.rillari M. b.risonzi T. b.rklow N. b.rlow b. M. b.rnett R. M. b.rnett A. b.roncelli G. b.rone A. J. b.rr F. b.rreiro J. b.rreiro Guimarães da Costa P. b.rrillon R. b.rtoldus A. E. b.rton D. b.rtsch V. b.rtsch R. L. b.tes L. b.tkova J. R. b.tley A. b.ttaglia M. b. 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 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 Spain 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 R

A search for a Higgs b.son has b.en performed in the H→WW→ℓνjj channel in 1.04 fb.1 of pp collision data at s=7 TeV recorded with the ATLAS detector at the Large Hadron Collider. No significant excess of events is ob.erved over the expected b.ckground and limits on the Higgs b.son production cross section are derived for a Higgs b.son mass in the range 240 GeVb.st sensitivity is reached for mH=400 GeV, where the 95% confidence level upper b.und on the cross section for H→WW production is 3.1 pb. or 2.7 times the standard model prediction.

关键词： HIGGS b.sons b.SONS LARGE Hadron Collider (France & Switzerland) STANDARD model (Nuclear physics)

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