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search for the Higgs Boson in the H→WW(*)→l+νl−ν¯ Decay Channel in pp Collisions at s=7 teV with the AtLAs Detector

Physical Review Letters 2012年第11期108卷 111802-111802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 L. Adamczyk 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 B. Alvarez Gonzalez 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 A. Anisenkov 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 B. Aubert E. Auge K. Augsten M. Aurousseau 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 V. Bartsch R. L. Bates L. Batkova J. R. Batley A. B Fakultät für Mathematik und Physik Albert-Ludwigs-Universität Freiburg im Breisgau 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 Faculty of Physics and Applied Computer Science AGH-University of Science and Technology Krakow Poland 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 School of Physics and Astronomy 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

A search for the Higgs boson has been performed in the H→WW(*)→ℓ+νℓ−ν¯ channel (ℓ=e/μ) with an integrated luminosity of 2.05 fb−1 of pp collisions at s=7 teV collected with the AtLAs detector at the Large Hadron Collider. No significant excess of events over the expected background is observed and limits on the Higgs boson production cross section are derived for a Higgs boson mass in the range 110 GeVthe observations exclude the presence of a standard model Higgs boson with a mass 145t 95% confidence level.

关键词： Bosons

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search for a supersymmetric Partner to the top Quark in Final states with Jets and Missing transverse Momentum at s=7 teV with the AtLAs Detector

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Physical Review Letters 2012年第21期109卷 211802-211802页

作者： G. Aad t. Abajyan B. Abbott J. Abdallah s. Abdel Khalek A. A. Abdelalim O. Abdinov R. Aben B. Abi M. Abolins O. s. AbouZeid H. Abramowicz H. Abreu B. s. Acharya L. Adamczyk D. L. Adams t. N. Addy J. Adelman s. Adomeit P. Adragna t. Adye s. Aefsky J. A. Aguilar-saavedra M. Agustoni 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 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 B. M. M. Allbrooke P. P. Allport s. E. Allwood-spiers J. Almond A. Aloisio R. Alon A. Alonso F. Alonso A. Altheimer B. Alvarez Gonzalez M. G. Alviggi K. Amako C. Amelung V. V. Ammosov s. P. Amor Dos santos A. Amorim N. Amram C. Anastopoulos L. s. Ancu N. Andari t. Andeen C. F. Anders G. Anders K. J. Anderson A. Andreazza V. Andrei X. s. Anduaga P. Anger A. Angerami F. Anghinolfi A. Anisenkov N. Anjos A. Annovi A. Antonaki M. Antonelli A. Antonov J. Antos F. Anulli M. Aoki s. Aoun L. Aperio Bella R. Apolle G. Arabidze i. Aracena Y. Arai A. t. H. Arce s. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armbruster O. Arnaez V. Arnal C. Arnault A. Artamonov G. Artoni D. Arutinov s. Asai R. Asfandiyarov s. Ask B. Åsman L. Asquith K. Assamagan A. Astbury M. Atkinson B. Aubert E. Auge K. Augsten M. Aurousseau G. Avolio R. Avramidou D. Axen G. Azuelos Y. Azuma M. A. Baak G. Baccaglioni C. Bacci A. M. Bach H. Bachacou K. Bachas 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. 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 V. Bartsch A. Basye R. L. Bates L. Batkova Fakultät für Mathematik und Physik Albert-Ludwigs-Universität Freiburg Germany Physikalisches Institut University of Bonn Bonn 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 LAL Université Paris-Sud and CNRS/IN2P3 Orsay France Section de Physique Université de Genève Geneva Switzerland Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan Nikhef National Institute for Subatomic Physics and University of Amsterdam Amsterdam Netherlands Department of Physics Oklahoma State University Stillwater Oklahoma USA Department of Physics and Astronomy Michigan State University East Lansing Michigan USA Department of Physics University of Toronto Toronto Ontario Canada Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel DSM/IRFU (Institut de Recherches sur les Lois Fondamentales de l’Univers) CEA Saclay (Commissariat a l’Energie Atomique) Gif-sur-Yvette France INFN Gruppo Collegato di Udine Italy ICTP Trieste Italy AGH University of Science and Technology Faculty of Physics and Applied Computer Science Krakow Poland 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 Fakultät für Physik Ludwig-Maximilians-Universität München München Germany School of Physics and Astronomy 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 Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics University of Bern Bern Switzerland

A search for direct pair production of supersymmetric top squarks (t˜1) is presented, assuming the t˜1 decays into a top quark and the lightest supersymmetric particle, χ˜10, and that both top quarks decay to purely hadronic final states. A total of 16 (4) events are observed compared to a predicted standard model background of 13.5−3.6+3.7(4.4−1.3+1.7) events in two signal regions based on ∫Ldt=4.7 fb−1 of pp collision data taken at s=7 teV with the AtLAs detector at the LHC. An exclusion region in the t˜1 versus χ˜10 mass plane is evaluated: 370t˜1<465 GeV is excluded for mχ˜10∼0 GeV while mt˜1=445 GeV is excluded for mχ˜10≤50 GeV.

关键词： supersymmetry

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search for Direct top squark Pair Production in Final states with One isolated Lepton, Jets, and Missing transverse Momentum in s=7 teV pp Collisions Using 4.7 fb−1 of AtLAs Data

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Physical Review Letters 2012年第21期109卷 211803-211803页

作者： G. Aad t. Abajyan B. Abbott J. Abdallah s. Abdel Khalek A. A. Abdelalim O. Abdinov R. Aben B. Abi M. Abolins O. s. AbouZeid H. Abramowicz H. Abreu B. s. Acharya L. Adamczyk D. L. Adams t. N. Addy J. Adelman s. Adomeit P. Adragna t. Adye s. Aefsky J. A. Aguilar-saavedra M. Agustoni 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 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 B. M. M. Allbrooke P. P. Allport s. E. Allwood-spiers J. Almond A. Aloisio R. Alon A. Alonso F. Alonso A. D. Altheimer B. Alvarez Gonzalez M. G. Alviggi K. Amako C. Amelung V. V. Ammosov A. Amorim N. Amram C. Anastopoulos L. s. Ancu N. Andari t. Andeen C. F. Anders G. Anders K. J. Anderson A. Andreazza V. Andrei X. s. Anduaga P. Anger A. Angerami F. Anghinolfi A. Anisenkov N. Anjos A. Annovi A. Antonaki M. Antonelli A. Antonov J. Antos F. Anulli M. Aoki s. Aoun L. Aperio Bella R. Apolle G. Arabidze i. Aracena Y. Arai A. t. H. Arce s. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armbruster O. Arnaez V. Arnal C. Arnault A. Artamonov G. Artoni D. Arutinov s. Asai R. Asfandiyarov s. Ask B. Åsman L. Asquith K. Assamagan A. Astbury M. Atkinson B. Aubert E. Auge K. Augsten M. Aurousseau G. Avolio R. Avramidou D. Axen G. Azuelos Y. Azuma M. A. Baak G. Baccaglioni C. Bacci A. M. Bach H. Bachacou K. Bachas 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. 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 V. Bartsch A. Basye R. L. Bates L. Batkova J. R. Batley A. Ba Fakultät für Mathematik und Physik Albert-Ludwigs-Universität Freiburg Germany Physikalisches Institut University of Bonn Bonn 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 LAL Université Paris-Sud and CNRS/IN2P3 Orsay France Section de Physique Université de Genève Geneva Switzerland Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan Nikhef National Institute for Subatomic Physics and University of Amsterdam Amsterdam Netherlands Department of Physics Oklahoma State University Stillwater Oklahoma USA Department of Physics and Astronomy Michigan State University East Lansing Michigan USA Department of Physics University of Toronto Toronto Ontario Canada Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel DSM/IRFU (Institut de Recherches sur les Lois Fondamentales de l’Univers) CEA Saclay (Commissariat a l’Energie Atomique) Gif-sur-Yvette France INFN Gruppo Collegato di Udine Italy ICTP Trieste Italy AGH University of Science and Technology Faculty of Physics and Applied Computer Science Krakow Poland 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 Fakultät für Physik Ludwig-Maximilians-Universität München München Germany School of Physics and Astronomy 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 Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics University of Bern Bern Switzerland

A search is presented for direct top squark pair production in final states with one isolated electron or muon, jets, and missing transverse momentum in proton-proton collisions at s=7 teV. the measurement is based on 4.7 fb−1 of data collected with the AtLAs detector at the LHC. Each top squark is assumed to decay to a top quark and the lightest supersymmetric particle (LsP). the data are found to be consistent with standard model expectations. top squark masses between 230 GeV and 440 GeV are excluded with 95% confidence for massless LsPs, and top squark masses around 400 GeV are excluded for LsP masses up to 125 GeV.

关键词： Photons

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search for Magnetic Monopoles in s=7 teV pp Collisions with the AtLAs Detector

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Physical Review Letters 2012年第26期109卷 261803-261803页

作者： G. Aad t. Abajyan B. Abbott J. Abdallah s. Abdel Khalek A. A. Abdelalim O. Abdinov R. Aben B. Abi M. Abolins O. s. AbouZeid H. Abramowicz H. Abreu E. Acerbi B. s. Acharya L. Adamczyk D. L. Adams t. N. Addy J. Adelman s. Adomeit P. Adragna t. Adye s. Aefsky J. A. Aguilar-saavedra M. Agustoni 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 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 B. M. M. Allbrooke P. P. Allport s. E. Allwood-spiers J. Almond A. Aloisio R. Alon A. Alonso F. Alonso B. Alvarez Gonzalez M. G. Alviggi K. Amako C. Amelung V. V. Ammosov A. Amorim N. Amram C. Anastopoulos L. s. Ancu N. Andari t. Andeen C. F. Anders G. Anders K. J. Anderson A. Andreazza V. Andrei X. s. Anduaga P. Anger A. Angerami F. Anghinolfi A. Anisenkov N. Anjos A. Annovi A. Antonaki M. Antonelli A. Antonov J. Antos F. Anulli M. Aoki s. Aoun L. Aperio Bella R. Apolle G. Arabidze i. Aracena Y. Arai A. t. H. Arce s. Arfaoui J-F. Arguin E. Arik M. Arik A. J. Armbruster O. Arnaez V. Arnal C. Arnault A. Artamonov G. Artoni D. Arutinov s. Asai R. Asfandiyarov s. Ask B. Åsman L. Asquith K. Assamagan A. Astbury M. Atkinson B. Aubert E. Auge K. Augsten M. Aurousseau G. Avolio R. Avramidou D. Axen G. Azuelos Y. Azuma M. A. Baak G. Baccaglioni C. Bacci A. M. Bach H. Bachacou K. Bachas 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. 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 V. Bartsch R. L. Bates L. Batkova J. R. Batley A. Battaglia M. Batt Fakultät für Mathematik und Physik Albert-Ludwigs-Universität Freiburg Germany Physikalisches Institut University of Bonn Bonn 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 LAL Université Paris-Sud and CNRS/IN2P3 Orsay France Section de Physique Université de Genève Geneva Switzerland Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan Nikhef National Institute for Subatomic Physics and University of Amsterdam Amsterdam Netherlands Department of Physics Oklahoma State University Stillwater Oklahoma USA Department of Physics and Astronomy Michigan State University East Lansing Michigan USA Department of Physics University of Toronto Toronto Ontario Canada Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel DSM/IRFU (Institut de Recherches sur les Lois Fondamentales de l’Univers) CEA Saclay (Commissariat a l’Energie Atomique) Gif-sur-Yvette 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 AGH University of Science and Technology Faculty of Physics and Applied Computer Science Krakow Poland 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 Fakultät für Physik Ludwig-Maximilians-Universität München München Germany School of Physics and Astronomy 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 USAUniversidad de Granada Granada Spain Albert

this Letter presents a search for magnetic monopoles with the AtLAs detector at the CERN Large Hadron Collider using an integrated luminosity of 2.0 fb−1 of pp collisions recorded at a center-of-mass energy of s=7 teV. No event is found in the signal region, leading to an upper limit on the production cross section at 95% confidence level of 1.6/ϵ fb for Dirac magnetic monopoles with the minimum unit magnetic charge and with mass between 200 GeV and 1500 GeV, where ϵ is the monopole reconstruction efficiency. the efficiency ϵ is high and uniform in the fiducial region given by pseudorapidity |η|<1.37 and transverse kinetic energy 600–700insin θ<1400 GeV. the minimum value of 700 GeV is for monopoles of mass 200 GeV, whereas the minimum value of 600 GeV is applicable for higher mass monopoles. therefore, the upper limit on the production cross section at 95% confidence level is 2 fb in this fiducial region. Assuming the kinematic distributions from Drell-Yan pair production of spin-1/2 Dirac magnetic monopoles, the efficiency is in the range 1%–10%, leading to an upper limit on the cross section at 95% confidence level that varies from 145 fb to 16 fb for monopoles with mass between 200 GeV and 1200 GeV. this limit is weaker than the fiducial limit because most of these monopoles lie outside the fiducial region.

关键词： Germanium alloys

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Notice of Retraction: Performance evaluation of sigmoid functions with hybrid computational method for Optimizing Lemon Grass Oil Production

Notice of Retraction: Performance evaluation of sigmoid func...

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international Conference on computer science and information technology (Csit)

作者： Brajesh Kumar singh Akash Punhani shafiqulabidin Ritu Nigam Department of Computer Science & Engineering F.E.T. R.B.S College Agra India Department of Information Technology Ministry of Manpower Al Musanna College of Technology Sultanate of Oman Oman Department of Computer Science & Engineering BMAS Engineering College Agra India

this article has been retracted by the publisher.

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Performance Evaluation of sigmoid Functions with Hybrid Computational Method for Optimizing Lemon Grass Oil Production

Performance Evaluation of Sigmoid Functions with Hybrid Comp...

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2010 3rd iEEE international Conference on computer science and information technology—iCCsit 2010

作者： Brajesh Kumar singh Akash Punhani shafiqulabidin Ritu Nigam Department of Computer Science & Engineering F.E.T. R.B.S.CollegeBichpuri AgraIndia Department of Information Technology Al Musanna College of Technology(Ministry of Manpower) Sultanate of Oman Department of Computer Science & Engineering BMAS Engineering College Agra India

two different Approaches are used to Optimize Lemon Grass Oil *** Production is compared and Production-Nutrient ratio comparison also shows that Logistic function is giving best result for production-nutrient *** log... 详细信息

关键词： Back propagation neural network,fertilizers,Genetic algorithm,oil production.

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Analysis and study of embedded capability to HsBH by sPA

Journal of Software

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Journal of software 2010年第11期5卷 1256-1261页

作者： Wang, Yuanzhi Chen, Liwei Zhang, Fei Jiang, shanhe sun, Lijuan School of Computer and Information Anqing Normal College Anhui China College of the Computer Science and Technology Southwest University of S and T Sichuan China School of Physics and Electric Engineering Anqing Normal College Anhui China College of Computer Harbin University of Science and Technology HeiLong Jiang China

steganography of sPA is one of the important research subjects in the field of information security. And HsBH is an effective image hiding algorithm. it proves that sPA can detect HsBH algorithm in theory and experiment. this method not only can detect the existence of messages embedded by sequential or random replacement, but also can estimate the hiding capability. Experimental results show that the correct rate of detection is above 95% when the embedding rate p>3%. © 2010 ACADEMY PUBLisHER.

关键词： steganography

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short term load forecasting: A dynamic neural network based genetic algorithm optimization

Short term load forecasting: A dynamic neural network based ...

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iEEE international Conference on Power Electronics and Motion Control

作者： Wang, Yan Ojleska, Vesna Jing, Yuanwei Gugulovska, tatjana K. Dimirovski, Georgi M. Northeastern University and Institute of Eng. College of I. S. and E. Shenyang China SS Cyril and Methodius University Faculty of EEIT Skopje Macedonia Northeastern University College of Information Science and Engineering China Dogus University Computer Eng. and Control Eng Istanbul Turkey

ISBN: (纸本)9781424478545

the short term load forecasting plays a significant role in the management of power system supply for countries and regions, in particular in cases of insufficient electric energy for increased needs. A back-propagation artificial neural-network (BP-ANN) genetic algorithm (GA) based optimizing technique for improved accuracy of predictions short term loads is proposed. With GA's optimizing and BP-ANN's dynamic capacity, the weighted GA optimization is realized by selection, crossing and mutation operations. the performance of the proposed technique has been tested using load time-series from a real-world electrical power system. its prediction has been compared to those of obtained by only backpropagation based neural-network techniques. simulation results demonstrated that the here proposed technique possesses superior performance thus guarantees better forecasting. © 2010 iEEE.

关键词： Neural networks

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Review of Particle Physics*

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Physical Review D 2012年第1期86卷 010001-010001页

作者： J. Beringer J. -F. Arguin R. M. Barnett K. Copic O. Dahl D. E. Groom C. -J. Lin J. Lys H. Murayama C. G. Wohl W. -M. Yao P. A. Zyla C. Amsler M. Antonelli D. M. Asner H. Baer H. R. Band t. Basaglia C. W. Bauer J. J. Beatty V. i. Belousov E. Bergren G. Bernardi W. Bertl s. Bethke H. Bichsel O. Biebel E. Blucher s. Blusk G. Brooijmans O. Buchmueller R. N. Cahn M. Carena A. Ceccucci D. Chakraborty M. -C. Chen R. s. Chivukula G. Cowan G. D'Ambrosio t. Damour D. de Florian A. de Gouvêa t. DeGrand P. de Jong G. Dissertori B. Dobrescu M. Doser M. Drees D. A. Edwards s. Eidelman J. Erler V. V. Ezhela W. Fetscher B. D. Fields B. Foster t. K. Gaisser L. Garren H. -J. Gerber G. Gerbier t. Gherghetta s. Golwala M. Goodman C. Grab A. V. Gritsan J. -F. Grivaz M. Grünewald A. Gurtu t. Gutsche H. E. Haber K. Hagiwara C. Hagmann C. Hanhart s. Hashimoto K. G. Hayes M. Heffner B. Heltsley J. J. Hernández-Rey K. Hikasa A. Höcker J. Holder A. Holtkamp J. Huston J. D. Jackson K. F. Johnson t. Junk D. Karlen D. Kirkby s. R. Klein E. Klempt R. V. Kowalewski F. Krauss M. Kreps B. Krusche Yu. V. Kuyanov Y. Kwon O. Lahav J. Laiho P. Langacker A. Liddle Z. Ligeti t. M. Liss L. Littenberg K. s. Lugovsky s. B. Lugovsky t. Mannel A. V. Manohar W. J. Marciano A. D. Martin A. Masoni J. Matthews D. Milstead R. Miquel K. Mönig F. Moortgat K. Nakamura M. Narain P. Nason s. Navas M. Neubert P. Nevski Y. Nir K. A. Olive L. Pape J. Parsons C. Patrignani J. A. Peacock s. t. Petcov A. Piepke A. Pomarol G. Punzi A. Quadt s. Raby G. Raffelt B. N. Ratcliff P. Richardson s. Roesler s. Rolli A. Romaniouk L. J. Rosenberg J. L. Rosner C. t. sachrajda Y. sakai G. P. salam s. sarkar F. sauli O. schneider K. scholberg D. scott W. G. seligman M. H. shaevitz s. R. sharpe M. silari t. sjöstrand P. skands J. G. smith G. F. smoot s. spanier H. spieler A. stahl t. stanev s. L. stone t. sumiyoshi M. J. syphers F. takahashi M. tanabashi J. terning M. titov N. P. tkachenko N. A. törnqvist D. tovey G. Valencia K. van Bibber G. Venanzoni M. G. Vincter P. Vogel A. Vogt W. Wa Physics Division Lawrence Berkeley National Laboratory 1 Cyclotron Road Berkeley CA 94720 USA Département de physique Université de Montréal C.P. 6128 succ. centre-ville Montréal (Québec) H3C 3J7 Canada Kavli IPMU (WPI) Todai Institutes for Advanced Study University of Tokyo Kashiwa Chiba 277-8583 Japan Department of Physics University of California Berkeley CA 94720 USA Physik-Institut Universität Zürich CH-8057 Zürich Switzerland Albert Einstein Center for Fundamental Physics Universität Bern CH-3012 Bern Switzerland Lab. Nazionali di Frascati dell'INFN CP 13 via E. Fermi 40 I-00044 Frascati (Roma) Italy Pacific Northwest National Laboratory 902 Battelle Boulevard Richland WA 99352 USA Department of Physics Florida State University Tallahassee FL 32306 USA Department of Physics University of Wisconsin Madison WI 53706 USA CERN European Organization for Nuclear Research CH-1211 Genève 23 Switzerland Department of Physics The Ohio State University 191 W. Woodruff Ave. Columbus OH 43210 COMPAS Group Institute for High Energy Physics RU-142284 Protvino Russia LPNHE IN2P3-CNRS et Universités de Paris 6 et 7 F-75252 Paris France Paul Scherrer Institut CH-5232 Villigen PSI Switzerland Max-Planck-Institute of Physics 80805 Munich Germany Department of Physics University of Washington Seattle WA 98195 USA Ludwig-Maximilians-Universität Fakultät für Physik Schellingstr. 4 D-80799 München Germany Enrico Fermi Institute and Department of Physics University of Chicago Chicago IL 60637-1433 USA Department of Physics Syracuse University Syracuse NY 13244-1130 USA Department of Physics Columbia University 538 W. 120th Street New York NY 10027 USA High Energy Physics Group Blackett Laboratory Imperial College Prince Consort Road London SW7 2AZ UK Fermi National Accelerator Laboratory P.O. Box 500 Batavia IL 60510 USA Kavli Institute for Cosmological Physics University of Chicago Chicago IL 60637-1433 USA Department of Physics Norther

this biennial Review summarizes much of particle physics. Using data from previous editions, plus 2658 new measurements from 644 papers, we list, evaluate, and average measured properties of gauge bosons, leptons, quarks, mesons, and baryons. We summarize searches for hypothetical particles such as Higgs bosons, heavy neutrinos, and supersymmetric particles. All the particle properties and search limits are listed in summary tables. We also give numerous tables, figures, formulae, and reviews of topics such as the standard Model, particle detectors, probability, and statistics. Among the 112 reviews are many that are new or heavily revised including those on Heavy-Quark and soft-Collinear Effective theory, Neutrino Cross section Measurements, Monte Carlo Event Generators, Lattice QCD, Heavy Quarkonium spectroscopy, top Quark, Dark Matter, Vcb & Vub, Quantum Chromodynamics, High-Energy Collider Parameters, Astrophysical Constants, Cosmological Parameters, and Dark Matter.

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Communities of practice of e-learning, an innovative learning space for e-learning actors

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Procedia - social and Behavioral sciences 2010年第2期2卷 5022-5027页

作者： Azeddine Chikh Lamia Berkani Department of Information Systems College of Computer and Information SciencesKSU 11543 Riyadh Saudi Arabia Department of Computer Science Faculty of Computer and Electrical Engineering U.S.T.H.B 16111 Algiers Algeria

today collaboration and information exchange and sharing are critical in driving both individual and organizational success. Communities of Practice (CoPs) represent an environment in which individuals, experts and novices, learn together to develop and improve their professional practices and skills. they are therefore the best environment for individual and collective learning. the purpose of this article is to show the potential of social learning in the domain of e-learning, through CoPs of e-learning (CoPEs). We present the main concepts and objectives of CoPEs and explain how they can support e-learning actors in their daily activities. An example of a CoPE, whose main objective is to promote e-learning in higher education context applied to the domain of computer science, is also presented.

关键词： E-learning commutity of practice commutity of practice of e-learning social learning innovation

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