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Measurement of the b-Quark Production Cross Section in 7 and 13 TeV pp Collisions

Physical Review Letters 2017年第5期118卷 052002-052002页

作者： R. Aaij B. Adeva M. Adinolfi Z. Ajaltouni S. Akar J. Albrecht F. Alessio M. Alexander S. Ali G. Alkhazov P. Alvarez Cartelle A. A. Alves, Jr. S. Amato S. Amerio Y. Amhis L. An L. Anderlini G. Andreassi M. Andreotti J. E. Andrews R. B. Appleby F. Archilli P. d’Argent J. Arnau Romeu A. Artamonov M. Artuso E. Aslanides G. Auriemma M. Baalouch I. Babuschkin S. Bachmann J. J. Back A. Badalov C. Baesso S. Baker W. Baldini R. J. Barlow C. Barschel S. Barsuk W. Barter M. Baszczyk V. Batozskaya B. Batsukh V. Battista A. Bay L. Beaucourt J. Beddow F. Bedeschi I. Bediaga L. J. Bel V. Bellee N. Belloli K. Belous I. Belyaev E. Ben-Haim G. Bencivenni S. Benson J. Benton A. Berezhnoy R. Bernet A. Bertolin F. Betti M.-O. Bettler M. van Beuzekom Ia. Bezshyiko S. Bifani P. Billoir T. Bird A. Birnkraut A. Bitadze A. Bizzeti T. Blake F. Blanc J. Blouw S. Blusk V. Bocci T. Boettcher A. Bondar N. Bondar W. Bonivento A. Borgheresi S. Borghi M. Borisyak M. Borsato F. Bossu M. Boubdir T. J. V. Bowcock E. Bowen C. Bozzi S. Braun M. Britsch T. Britton J. Brodzicka E. Buchanan C. Burr A. Bursche J. Buytaert S. Cadeddu R. Calabrese M. Calvi M. Calvo Gomez A. Camboni P. Campana D. Campora Perez D. H. Campora Perez L. Capriotti A. Carbone G. Carboni R. Cardinale A. Cardini P. Carniti L. Carson K. Carvalho Akiba G. Casse L. Cassina L. Castillo Garcia M. Cattaneo Ch. Cauet G. Cavallero R. Cenci M. Charles Ph. Charpentier G. Chatzikonstantinidis M. Chefdeville S. Chen S.-F. Cheung V. Chobanova M. Chrzaszcz X. Cid Vidal G. Ciezarek P. E. L. Clarke M. Clemencic H. V. Cliff J. Closier V. Coco J. Cogan E. Cogneras V. Cogoni L. Cojocariu G. Collazuol P. Collins A. Comerma-Montells A. Contu A. Cook G. Coombs S. Coquereau G. Corti M. Corvo C. M. Costa Sobral B. Couturier G. A. Cowan D. C. Craik A. Crocombe M. Cruz Torres S. Cunliffe R. Currie C. D’Ambrosio F. Da Cunha Marinho E. Dall’Occo J. Dalseno P. N. Y. David A. Davis O. De Aguiar Francisco K. De Bruyn S. De Capua M. De Cian J. M. De Miranda L. De Paula M. De Serio P. De Simone C.-T. Dean D. Decamp European Organization for Nuclear Research (CERN) Geneva Switzerland Universidad de Santiago de Compostela Santiago de Compostela Spain H.H. Wills Physics Laboratory University of Bristol Bristol United Kingdom Clermont Université Université Blaise Pascal CNRS/IN2P3 LPC Clermont-Ferrand France CPPM Aix-Marseille Université CNRS/IN2P3 Marseille France Fakultät Physik Technische Universität Dortmund Dortmund Germany School of Physics and Astronomy University of Glasgow Glasgow United Kingdom Nikhef National Institute for Subatomic Physics Amsterdam The Netherlands Petersburg Nuclear Physics Institute (PNPI) Gatchina Russia Imperial College London London United Kingdom University of Cincinnati Cincinnati Ohio USA Universidade Federal do Rio de Janeiro (UFRJ) Rio de Janeiro Brazil Sezione INFN di Padova Padova Italy LAL Université Paris-Sud CNRS/IN2P3 Orsay France Institute of Physics Ecole Polytechnique Fédérale de Lausanne (EPFL) Lausanne Switzerland Sezione INFN di Firenze Firenze Italy Sezione INFN di Ferrara Ferrara Italy University of Maryland College Park Maryland USA School of Physics and Astronomy University of Manchester Manchester United Kingdom Physikalisches Institut Ruprecht-Karls-Universität Heidelberg Heidelberg Germany Institute for High Energy Physics (IHEP) Protvino Russia Syracuse University Syracuse New York USA Sezione INFN di Roma La Sapienza Roma Italy Department of Physics University of Warwick Coventry United Kingdom ICCUB Universitat de Barcelona Barcelona Spain Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio) Rio de Janeiro Brazil associated to Universidade Federal do Rio de Janeiro (UFRJ) Rio de Janeiro Brazil Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences Kraków Poland National Center for Nuclear Research (NCBJ) Warsaw Poland LAPP Université Savoie Mont-Blanc CNRS/IN2P3 Annecy-Le-Vieux France Sezione INFN di Pisa Pisa Italy Centro Brasileiro de Pesquisas Físicas

Measurements of the cross section for producing b quarks in the reaction pp→bb¯X are reported in 7 and 13 TeV collisions at the LHC as a function of the pseudorapidity η in the range 2<η<5 covered by the acceptance of the LHCb experiment. The measurements are done using semileptonic decays of b-flavored hadrons decaying into a ground-state charmed hadron in association with a muon. The cross sections in the covered η range are 72.0±0.3±6.8 and 154.3±1.5±14.3 μb for 7 and 13 TeV. The ratio is 2.14±0.02±0.13, where the quoted uncertainties are statistical and systematic, respectively. The agreement with theoretical expectation is good at 7 TeV, but differs somewhat at 13 TeV. The measured ratio of cross sections is larger at lower η than the model prediction.

关键词： Particle production Quantum chromodynamics Bottom quark Hadron colliders

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Observation of the Annihilation Decay Mode B0→K+K−

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Physical Review Letters 2017年第8期118卷 081801-081801页

作者： R. Aaij B. Adeva M. Adinolfi Z. Ajaltouni S. Akar J. Albrecht F. Alessio M. Alexander S. Ali G. Alkhazov P. Alvarez Cartelle A. A. Alves, Jr. S. Amato S. Amerio Y. Amhis L. An L. Anderlini G. Andreassi M. Andreotti J. E. Andrews R. B. Appleby F. Archilli P. d’Argent J. Arnau Romeu A. Artamonov M. Artuso E. Aslanides G. Auriemma M. Baalouch I. Babuschkin S. Bachmann J. J. Back A. Badalov C. Baesso S. Baker W. Baldini R. J. Barlow C. Barschel S. Barsuk W. Barter M. Baszczyk V. Batozskaya B. Batsukh V. Battista A. Bay L. Beaucourt J. Beddow F. Bedeschi I. Bediaga L. J. Bel V. Bellee N. Belloli K. Belous I. Belyaev E. Ben-Haim G. Bencivenni S. Benson J. Benton A. Berezhnoy R. Bernet A. Bertolin F. Betti M.-O. Bettler M. van Beuzekom Ia. Bezshyiko S. Bifani P. Billoir T. Bird A. Birnkraut A. Bitadze A. Bizzeti T. Blake F. Blanc J. Blouw S. Blusk V. Bocci T. Boettcher A. Bondar N. Bondar W. Bonivento A. Borgheresi S. Borghi M. Borisyak M. Borsato F. Bossu M. Boubdir T. J. V. Bowcock E. Bowen C. Bozzi S. Braun M. Britsch T. Britton J. Brodzicka E. Buchanan C. Burr A. Bursche J. Buytaert S. Cadeddu R. Calabrese M. Calvi M. Calvo Gomez A. Camboni P. Campana D. Campora Perez D. H. Campora Perez L. Capriotti A. Carbone G. Carboni R. Cardinale A. Cardini P. Carniti L. Carson K. Carvalho Akiba G. Casse L. Cassina L. Castillo Garcia M. Cattaneo Ch. Cauet G. Cavallero R. Cenci M. Charles Ph. Charpentier G. Chatzikonstantinidis M. Chefdeville S. Chen S.-F. Cheung V. Chobanova M. Chrzaszcz X. Cid Vidal G. Ciezarek P. E. L. Clarke M. Clemencic H. V. Cliff J. Closier V. Coco J. Cogan E. Cogneras V. Cogoni L. Cojocariu G. Collazuol P. Collins A. Comerma-Montells A. Contu A. Cook G. Coombs S. Coquereau G. Corti M. Corvo C. M. Costa Sobral B. Couturier G. A. Cowan D. C. Craik A. Crocombe M. Cruz Torres S. Cunliffe R. Currie C. D’Ambrosio F. Da Cunha Marinho E. Dall’Occo J. Dalseno P. N. Y. David A. Davis O. De Aguiar Francisco K. De Bruyn S. De Capua M. De Cian J. M. De Miranda L. De Paula M. De Serio P. De Simone C. T. Dean D. Decamp European Organization for Nuclear Research (CERN) Geneva Switzerland Universidad de Santiago de Compostela Santiago de Compostela Spain H.H. Wills Physics Laboratory University of Bristol Bristol United Kingdom Clermont Université Université Blaise Pascal CNRS/IN2P3 LPC Clermont-Ferrand France CPPM Aix-Marseille Université CNRS/IN2P3 Marseille France Fakultät Physik Technische Universität Dortmund Dortmund Germany School of Physics and Astronomy University of Glasgow Glasgow United Kingdom Nikhef National Institute for Subatomic Physics Amsterdam The Netherlands Petersburg Nuclear Physics Institute (PNPI) Gatchina Russia Imperial College London London United Kingdom University of Cincinnati Cincinnati Ohio USA Universidade Federal do Rio de Janeiro (UFRJ) Rio de Janeiro Brazil Sezione INFN di Padova Padova Italy LAL Université Paris-Sud CNRS/IN2P3 Orsay France Ecole Polytechnique Fédérale de Lausanne (EPFL) Lausanne Switzerland Sezione INFN di Firenze Firenze Italy Sezione INFN di Ferrara Ferrara Italy University of Maryland College Park Maryland USA School of Physics and Astronomy University of Manchester Manchester United Kingdom Physikalisches Institut Ruprecht-Karls-Universität Heidelberg Heidelberg Germany Institute for High Energy Physics (IHEP) Protvino Russia Syracuse University Syracuse New York USA Sezione INFN di Roma La Sapienza Roma Italy Department of Physics University of Warwick Coventry United Kingdom ICCUB Universitat de Barcelona Barcelona Spain Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio) Rio de Janeiro Brazil (associated with Universidade Federal do Rio de Janeiro (UFRJ) Rio de Janeiro Brazil) Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences Kraków Poland National Center for Nuclear Research (NCBJ) Warsaw Poland LAPP Université Savoie Mont-Blanc CNRS/IN2P3 Annecy-Le-Vieux France Sezione INFN di Pisa Pisa Italy Centro Brasileiro de Pesquisas Físicas (CBPF) Rio de Jane

A search for the B0→K+K− decay is performed using pp-collision data collected by LHCb. The data set corresponds to integrated luminosities of 1.0 and 2.0 fb−1 at center-of-mass energies of 7 and 8 TeV, respectively. This decay is observed for the first time, with a significance of more than 5 standard deviations. The analysis also results in an improved measurement of the branching fraction for the Bs0→π+π− decay. The measured branching fractions are B(B0→K+K−)=(7.80±1.27±0.81±0.21)×10−8 and B(Bs0→π+π−)=(6.91±0.54±0.63±0.19±0.40)×10−7. The first uncertainty is statistical, the second is systematic, the third is due to the uncertainty on the B0→K+π− branching fraction used as a normalization. For the Bs0 mode, the fourth accounts for the uncertainty on the ratio of the probabilities for b quarks to hadronize into Bs0 and B0 mesons.

关键词： Flavor changing neutral currents Hadronic decays Bottom mesons Artificial neural networks Cherenkov detectors Hadron colliders

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Correction: Investigation of common, low-frequency and rare genome-wide variation in anorexia nervosa

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Molecular psychiatry 2018年第9期23卷 1969页

作者： L M Huckins K Hatzikotoulas L Southam L M Thornton J Steinberg F Aguilera-McKay J Treasure U Schmidt C Gunasinghe A Romero C Curtis D Rhodes J Moens G Kalsi D Dempster R Leung A Keohane R Burghardt S Ehrlich J Hebebrand A Hinney A Ludolph E Walton P Deloukas A Hofman A Palotie P Palta F J A van Rooij K Stirrups R Adan C Boni R Cone G Dedoussis E van Furth F Gonidakis P Gorwood J Hudson J Kaprio M Kas A Keski-Rahonen K Kiezebrink G-P Knudsen M Maj A M Monteleone P Monteleone A H Raevuori T Reichborn-Kjennerud F Tozzi A Tsitsika A van Elburg D A Collier P F Sullivan G Breen C M Bulik E Zeggini Department of Human Genetics Wellcome Trust Sanger Institute Wellcome Trust Genome Campus Hinxton Cambridge UK. laura.huckins@mssm.edu. Division of Psychiatric Genomics Icahn School of Medicine at Mount Sinai New York NY USA. laura.huckins@mssm.edu. Department of Human Genetics Wellcome Trust Sanger Institute Wellcome Trust Genome Campus Hinxton Cambridge UK. Department of Psychiatry and Nutrition University of North Carolina at Chapel Hill Chapel Hill NC USA. Section of Eating Disorders Institute of Psychiatry Psychology and Neuroscience King's College London London UK. NIHR BRC SLaM BioResource for Mental Health SGDP Centre & Centre for Neuroimaging Sciences Section of Eating Disorders Institute of Psychiatry Psychology and Neuroscience King's College London London UK. Klinik für Kinder- und Jugendpsychiatrie Psychotherapie und Psychosomatik Klinikum Frankfurt Frankfurt Germany. Division of Psychological and Social Medicine and Developmental Neurosciences Faculty of Medicine TU Dresden Dresden Germany. Eating Disorders Research and Treatment Center Department of Child and Adolescent Psychiatry Faculty of Medicine TU Dresden Dresden Germany. Department of Child and Adolescent Psychiatry and Psychotherapy University Hospital Essen University of Duisburg-Essen Essen Germany. Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt Neuherberg Germany. Division of Psychological & Social Medicine and Developmental Neurosciences Technische Universität Dresden Faculty of Medicine University Hospital C.G. Carus Dresden Germany. Department of Psychology Georgia State University Atlanta GA USA. Erasmus University Medical Center Rotterdam The Netherlands. Center for Human Genome Research at the Massachusetts General Hospital Boston USA MA. Department of Public Health & Institute for Molecular Medicine FIMM University of Helsinki Helsinki Finland. Brain Center Rudolf Magnus Department of Neuroscience and Pharmacology University Medica

The fortieth author's name was listed incorrectly. The correct presentation is A Keski-Rahkonen.

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Erratum to: Measurements of prompt charm production cross-sections in pp collisions at s = 13 TeV

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Journal of High Energy Physics 2016年第9期2016卷 1-18页

作者： R. Aaij C. Abellán Beteta B. Adeva M. Adinolfi A. Affolder Z. Ajaltouni S. Akar J. Albrecht F. Alessio M. Alexander S. Ali G. Alkhazov P. Alvarez Cartelle A. A. Alves S. Amato S. Amerio Y. Amhis L. An L. Anderlini J. Anderson G. Andreassi M. Andreotti J. E. Andrews R. B. Appleby O. Aquines Gutierrez F. Archilli P. d’Argent A. Artamonov M. Artuso E. Aslanides G. Auriemma M. Baalouch S. Bachmann J. J. Back A. Badalov C. Baesso W. Baldini R. J. Barlow C. Barschel S. Barsuk W. Barter V. Batozskaya V. Battista A. Bay L. Beaucourt J. Beddow F. Bedeschi I. Bediaga L. J. Bel V. Bellee N. Belloli I. Belyaev E. Ben-Haim G. Bencivenni S. Benson J. Benton A. Berezhnoy R. Bernet A. Bertolin M.-O. Bettler M. van Beuzekom A. Bien S. Bifani P. Billoir T. Bird A. Birnkraut A. Bizzeti T. Blake F. Blanc J. Blouw S. Blusk V. Bocci A. Bondar N. Bondar W. Bonivento S. Borghi M. Borsato T. J. V. Bowcock E. Bowen C. Bozzi S. Braun M. Britsch T. Britton J. Brodzicka N. H. Brook E. Buchanan C. Burr A. Bursche J. Buytaert S. Cadeddu R. Calabrese M. Calvi M. Calvo Gomez P. Campana D. Campora Perez L. Capriotti A. Carbone G. Carboni R. Cardinale A. Cardini P. Carniti L. Carson K. Carvalho Akiba G. Casse L. Cassina L. Castillo Garcia M. Cattaneo Ch. Cauet G. Cavallero R. Cenci M. Charles Ph. Charpentier M. Chefdeville S. Chen S.-F. Cheung N. Chiapolini M. Chrzaszcz X. Cid Vidal G. Ciezarek P. E. L. Clarke M. Clemencic H. V. Cliff J. Closier V. Coco J. Cogan E. Cogneras V. Cogoni L. Cojocariu G. Collazuol P. Collins A. Comerma-Montells A. Contu A. Cook M. Coombes S. Coquereau G. Corti M. Corvo B. Couturier G. A. Cowan D. C. Craik A. Crocombe M. Cruz Torres S. Cunliffe R. Currie C. D’Ambrosio E. Dall’Occo J. Dalseno P. N. Y. David A. Davis O. De Aguiar Francisco K. De Bruyn S. De Capua M. De Cian J. M. De Miranda L. De Paula P. De Simone C.-T. Dean D. Decamp M. Deckenhoff L. Del Buono N. Déléage M. Demmer D. Derkach O. Deschamps F. Dettori B. Dey A. Di Canto F. Di Ruscio H. Dijkstra S. Donleavy F. Dordei M. Dorigo A. Dosil Suárez D. Dossett A. European Organization for Nuclear Research (CERN) Geneva Switzerland Physik-Institut Universität Zürich Zürich Switzerland Universidad de Santiago de Compostela Santiago de Compostela Spain H.H. Wills Physics Laboratory University of Bristol Bristol United Kingdom Oliver Lodge Laboratory University of Liverpool Liverpool United Kingdom Clermont Université Université Blaise Pascal CNRS/IN2P3 LPC Clermont-Ferrand France CPPM Aix-Marseille Université CNRS/IN2P3 Marseille France Fakultät Physik Technische Universität Dortmund Dortmund Germany School of Physics and Astronomy University of Glasgow Glasgow United Kingdom Nikhef National Institute for Subatomic Physics Amsterdam The Netherlands Petersburg Nuclear Physics Institute (PNPI) Gatchina Russia Imperial College London London United Kingdom University of Cincinnati Cincinnati United States Universidade Federal do Rio de Janeiro (UFRJ) Rio de Janeiro Brazil Sezione INFN di Padova Padova Italy LAL Université Paris-Sud CNRS/IN2P3 Orsay France Center for High Energy Physics Tsinghua University Beijing China Sezione INFN di Firenze Firenze Italy Ecole Polytechnique Fédérale de Lausanne (EPFL) Lausanne Switzerland Sezione INFN di Ferrara Ferrara Italy Università di Ferrara Ferrara Italy University of Maryland College Park United States School of Physics and Astronomy University of Manchester Manchester United Kingdom Max-Planck-Institut für Kernphysik (MPIK) Heidelberg Germany Physikalisches Institut Ruprecht-Karls-Universität Heidelberg Heidelberg Germany Institute for High Energy Physics (IHEP) Protvino Russia Syracuse University Syracuse United States Sezione INFN di Roma La Sapienza Roma Italy Università della Basilicata Potenza Italy Department of Physics University of Warwick Coventry United Kingdom Universitat de Barcelona Barcelona Spain Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio) Rio de Janeiro Brazil National Center for Nuclear Research (NCBJ) Warsaw Poland LAPP

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CellCilk: Extending cilk for heterogeneous multicore platforms

CellCilk: Extending cilk for heterogeneous multicore platfor...

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24th International Workshop on Languages and Compilers for Parallel Computing, LCPC 2011

作者： Werth, Tobias Schreier, Silvia Philippsen, Michael Computer Science Department Programming Systems Group University of Erlangen-Nuremberg Germany Faculty of Mathematics and Computer Science Data Processing Technology University of Hagen Germany

ISBN: (纸本)9783642360350

The potential of heterogeneous multicores, like the Cell BE, can only be exploited if the host and the accelerator cores are used in parallel and if the specific features of the cores are considered. Parallel programming, especially when applied to irregular task-parallel problems, is challenging itself. However, heterogeneous multicores add to that complexity due to their memory hierarchy and specialized accelerators. As a solution for these issues we present CellCilk, a prototype implementation of Cilk for heterogeneous multicores with a host/accelerator design, using the Cell BE in particular. CellCilk introduces a new keyword (spu-spawn) for task creation on the accelerator cores. Task scheduling and load balancing are done by a novel dynamic cross-hierarchy work-stealing regime. Furthermore, the CellCilk runtime employs a garbage collection mechanism for distributed data structures that are created during scheduling. On benchmarks we achieve a good speedup and reasonable runtimes, even when compared to manually parallelized codes. © 2013 Springer-Verlag.

关键词： Parallel programming

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Towards persistent identification of resources in personal information management 3

Towards persistent identification of resources in personal i...

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3rd International Workshop on Semantic Digital Archives, SDA 2013 - Co-located with 17th International Conference on Theory and Practice of Digital Libraries, TPDL 2013

作者： Haun, Stefan Nürnberger, Andreas Data and Knowledge Engineering Group Faculty of Computer Science Otto-von-Guericke-University Magdeburg Germany

Persistent identification is necessary for recognition, dissemination and (external) cross-references to digital objects. Uniform Re-source Identifiers (URIs) provide an established scheme for this task, but do not guarantee stable and persistent identification. In the context of (personal) archives, stability is needed when references are be stored on a medium where later changes to identifiers cannot be corrected at all or only with a very large overhead, such as WORM media or tape archives. Additionally, resources like contacts or appointments do not have a URI, while other URIs, such as file system paths or the IMAP URI, are unstable by design and cannot represent the dynamic aspects of Personal Information Management (PIM). This paper discusses problemsof archiving that arise with entity identification in PIM, especially on the example of the personal file system. © 2013 for the individual papers by the papers' authors.

关键词： Information management

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Evolving search user interfaces 3

Evolving search user interfaces

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3rd European Workshop on Human-computer Interaction and Information Retrieval, EuroHCIR 2013 - Co-located with the 36th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2013

作者： Gossen, Tatiana Nitsche, Marcus Nürnberger, Andreas Data and Knowledge Engineering Group Faculty of Computer Science Otto von Guericke University Magdeburg Germany

When designing search user interfaces (SUIs), there is a need to target specific user groups. The cognitive abilities, fine motor skills, emotional maturity and knowledge of a sixty years old man, a fourteen years old teenager and a seven years old child differ strongly. These abilities influence the decisions made in the user interface (UI) design process of SUIs. Therefore, SUIs are usually designed and optimized for a certain user group. However, especially for young and elderly users, the design requirements change rapidly due to fast changes in users' abilities, so that a flexible modification of the SUI is needed. In this positional paper we introduce the concept of an evolving search user interface (ESUI). It adapts the UI dynamically based on the derived capabilities of the user interacting with it. We elaborate on user characteristics that change over time and discuss how each of them can influence the SUI design using an example of a girl growing from six to fourteen. We discuss the ways to detect current user characteristics. We also support our idea of an ESUI with a user study and present its first results. Copyright © 2013 for the individual papers by the papers' authors.

关键词： User interfaces

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Adaptation of a search user interface towards user needs - A prototype study with children & adults 13

Adaptation of a search user interface towards user needs - A...

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2013 Symposium on Human-computer Interaction and Information Retrieval, HCIR 2013

作者： Gossen, Tatiana Nitsche, Marcus Vos, Jana Nürnberger, Andreas Data and Knowledge Engineering Group Faculty of Computer Science Otto Von Guericke University Magdeburg Germany

ISBN: (纸本)9781450325707

Search user interfaces (SUIs) are usually designed and optimized for generic users or for a certain user group. Users within the group are similar, e.g. concerning their information need, search goals or cognitive skills. These properties influence decisions made in the user interface (UI) design process. However, especially for young and elderly users, design requirements change relatively fast due to changes in users' abilities, so a flexible modification of the SUI is needed. In order to overcome this issue, we suggest to develop an evolving search user interface (ESUI). It adapts the UI dynamically based on the derived capabilities of the user interacting with it. In this paper, we present a first prototypical implementation of this idea: A search user interface which takes the special requirements of children into account and is customizable towards their abilities. We offer adaptation in menu type and structure, search result visualization, surrogate structure, font, audio, theme and other SUI properties. This SUI was evaluated in a user study with 27 children and 17 adults. We present the results of the study and discuss implications for further research towards an ESUI. © 2013 ACM.

关键词： User interfaces

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11th German Conference on Chemoinformatics (GCC 2015) Abstracts

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JOURNAL OF CHEMINFORMATICS 2016年第SUPPL 1期8卷 1-27页

作者： [Anonymous] GDCh-CIC Division Associated Board Member Beilstein-Institut zur Förderung der Chemischen Wissenschaften Trakehner Str. 7-9 60487 Frankfurt Germany. ufechner@beilstein-institut.de. Division Medicinal Chemistry Amsterdam Institute for Molecules Medicines and Systems (AIMMS) VU University Amsterdam The Netherlands. Centre for Bioinformatics Uni Hamburg Bundesstr. 43 20146 Hamburg Germany. Sanofi-Aventis Deutschland GmbH 65926 Frankfurt am Main Germany. stefan.guessregen@***. Sanofi-Aventis Deutschland GmbH 65926 Frankfurt am Main Germany. GlaxoSmithKline Stevenage SG1 2NY UK. nicola.j.richmond@***. Discngine Paris 75011 France. Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Germany. marwin.segler@wwu.de. Organisch-Chemisches Institut Westfälische Wilhelms-Universität Münster Germany. Bundeskriminalamt Wiesbaden Central Analytics II 65173 Wiesbaden Germany. Department of Chemistry and Biochemistry University of California Santa Barbara CA 93111 USA. shea@chem.ucsb.edu. Department of Chemistry and Biochemistry University of California Santa Barbara CA 93111 USA. Chemistry Department Ludwig-Maximilians-Universität München Butenandtstr. 7 81377 Munich Germany. Inorganic Chemistry and Center for Nanointegration University of Duisburg-Essen Essen Germany. CAM-D Technologies Essen Germany. Institute for Bioinformatics and Chemoinformatics Westphalian University of Applied Sciences Recklinghausen Germany. Institute for Bioinformatics and Chemoinformatics Westphalian University of Applied Sciences Recklinghausen Germany. achim.zielesny@w-hs.de. Leiden University Leiden Netherlands. j.fraaije@chem.leidenuniv.nl. Culgi BV Berlin Germany. Physikalische Chemie III TU Dortmund 44227 Dortmund Germany. stefan.kast@tu-dortmund.de. Centre for Molecular Informatics Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW United Kingdom. kcb27@cam.ac.uk. Centre for Molecular Informatics Department of Chemistry

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Search for Baryon-Number Violating Ξb0 Oscillations

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Physical Review Letters 2017年第18期119卷 181807-181807页

作者： R. Aaij B. Adeva M. Adinolfi Z. Ajaltouni S. Akar J. Albrecht F. Alessio M. Alexander A. Alfonso Albero S. Ali G. Alkhazov P. Alvarez Cartelle A. A. Alves, Jr. S. Amato S. Amerio Y. Amhis L. An L. Anderlini G. Andreassi M. Andreotti J. E. Andrews R. B. Appleby F. Archilli P. d’Argent J. Arnau Romeu A. Artamonov M. Artuso E. Aslanides G. Auriemma M. Baalouch I. Babuschkin S. Bachmann J. J. Back A. Badalov C. Baesso S. Baker V. Balagura W. Baldini A. Baranov R. J. Barlow C. Barschel S. Barsuk W. Barter F. Baryshnikov V. Batozskaya V. Battista A. Bay L. Beaucourt J. Beddow F. Bedeschi I. Bediaga A. Beiter L. J. Bel N. Beliy V. Bellee N. Belloli K. Belous I. Belyaev E. Ben-Haim G. Bencivenni S. Benson S. Beranek A. Berezhnoy R. Bernet D. Berninghoff E. Bertholet A. Bertolin C. Betancourt F. Betti M.-O. Bettler M. van Beuzekom Ia. Bezshyiko S. Bifani P. Billoir A. Birnkraut A. Bitadze A. Bizzeti M. Bjørn T. Blake F. Blanc J. Blouw S. Blusk V. Bocci T. Boettcher A. Bondar N. Bondar W. Bonivento I. Bordyuzhin A. Borgheresi S. Borghi M. Borisyak M. Borsato F. Bossu M. Boubdir T. J. V. Bowcock E. Bowen C. Bozzi S. Braun T. Britton J. Brodzicka D. Brundu E. Buchanan C. Burr A. Bursche J. Buytaert W. Byczynski S. Cadeddu H. Cai R. Calabrese 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 L. Carson K. Carvalho Akiba G. Casse L. Cassina L. Castillo Garcia M. Cattaneo G. Cavallero R. Cenci D. Chamont M. Charles Ph. Charpentier G. Chatzikonstantinidis M. Chefdeville S. Chen S. F. Cheung S.-G. Chitic V. Chobanova M. Chrzaszcz A. Chubykin P. Ciambrone X. Cid Vidal G. Ciezarek P. E. L. Clarke M. Clemencic H. V. Cliff J. Closier J. Cogan E. Cogneras V. Cogoni L. Cojocariu P. Collins T. Colombo A. Comerma-Montells A. Contu A. Cook G. Coombs S. Coquereau G. Corti M. Corvo C. M. Costa Sobral B. Couturier G. A. Cowan D. C. Craik A. Crocombe M. Cruz Torres R. Currie C. D’Ambrosio F. Da Cunha Marinho E. Dall’Occo J. Dalseno A. Davis O. De European Organization for Nuclear Research (CERN) Geneva Switzerland Universidad de Santiago de Compostela Santiago de Compostela Spain H.H. Wills Physics Laboratory University of Bristol Bristol United Kingdom Clermont Université Université Blaise Pascal CNRS/IN2P3 LPC Clermont-Ferrand France University of Cincinnati Cincinnati Ohio USA Fakultät Physik Technische Universität Dortmund Dortmund Germany School of Physics and Astronomy University of Glasgow Glasgow United Kingdom ICCUB Universitat de Barcelona Barcelona Spain Nikhef National Institute for Subatomic Physics Amsterdam Netherlands Petersburg Nuclear Physics Institute (PNPI) Gatchina Russia Imperial College London London United Kingdom Universidade Federal do Rio de Janeiro (UFRJ) Rio de Janeiro Brazil Sezione INFN di Padova Padova Italy LAL Université Paris-Sud CNRS/IN2P3 Orsay France Center for High Energy Physics Tsinghua University Beijing China Sezione INFN di Firenze Firenze Italy Institute of Physics Ecole Polytechnique Fédérale de Lausanne (EPFL) Lausanne Switzerland Universita e INFN Ferrara Ferrara Italy University of Maryland College Park Maryland USA School of Physics and Astronomy University of Manchester Manchester United Kingdom Physikalisches Institut Ruprecht-Karls-Universität Heidelberg Heidelberg Germany Aix Marseille Univ CNRS/IN2P3 CPPM Marseille France Institute for High Energy Physics (IHEP) Protvino Russia Syracuse University Syracuse New York USA Sezione INFN di Roma La Sapienza Roma Italy Department of Physics University of Warwick Coventry United Kingdom Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio) Rio de Janeiro Brazil (associated with Institution Universidade Federal do Rio de Janeiro (UFRJ) Rio de Janeiro Brazil) Yandex School of Data Analysis Moscow Russia Institute of Theoretical and Experimental Physics (ITEP) Moscow Russia National Center for Nuclear Research (NCBJ) Warsaw Poland LAPP Université Savoie Mont-Blanc CNRS/IN2

A search for baryon-number violating Ξb0 oscillations is performed with a sample of pp collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 3 fb−1. The baryon number at the moment of production is identified by requiring that the Ξb0 come from the decay of a resonance Ξb*−→Ξb0π− or Ξb′−→Ξb0π−, and the baryon number at the moment of decay is identified from the final state using the decays Ξb0→Ξc+π−,Ξc+→pK−π+. No evidence of baryon-number violation is found, and an upper limit at the 95% confidence level is set on the oscillation rate of ω<0.08 ps−1, where ω is the associated angular frequency.

关键词： Hadron mixing Bottom baryons Particle mixing & oscillations

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