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Search for a light charged Higgs boson in the H±→cs channel in proton-proton collisions at s=13 TeV

Physical Review D 2020年第7期102卷 072001-072001页

作者： A. M. Sirunyan A. Tumasyan W. Adam F. Ambrogi T. Bergauer M. Dragicevic J. Erö A. Escalante Del Valle R. Frühwirth M. Jeitler N. Krammer L. Lechner D. Liko T. Madlener I. Mikulec F. M. Pitters N. Rad J. Schieck R. Schöfbeck M. Spanring S. Templ W. Waltenberger C.-E. Wulz M. Zarucki V. Chekhovsky A. Litomin V. Makarenko J. Suarez Gonzalez M. R. Darwish E. A. De Wolf D. Di Croce X. Janssen T. Kello A. Lelek M. Pieters H. Rejeb Sfar H. Van Haevermaet P. Van Mechelen S. Van Putte N. Van Remortel F. Blekman E. S. Bols S. S. Chhibra J. D’Hondt J. De Clercq D. Lontkovskyi S. Lowette I. Marchesini S. Moortgat A. Morton Q. Python S. Tavernier W. Van Doninck P. Van Mulders D. Beghin B. Bilin B. Clerbaux G. De Lentdecker B. Dorney L. Favart A. Grebenyuk A. K. Kalsi I. Makarenko L. Moureaux L. Pétré A. Popov N. Postiau E. Starling L. Thomas C. Vander Velde P. Vanlaer D. Vannerom L. Wezenbeek T. Cornelis D. Dobur M. Gruchala I. Khvastunov M. Niedziela C. Roskas K. Skovpen M. Tytgat W. Verbeke B. Vermassen M. Vit G. Bruno F. Bury C. Caputo P. David C. Delaere M. Delcourt I. S. Donertas A. Giammanco V. Lemaitre K. Mondal J. Prisciandaro A. Taliercio M. Teklishyn P. Vischia S. Wuyckens J. Zobec G. A. Alves G. Correia Silva C. Hensel A. Moraes W. L. Aldá Júnior E. Belchior Batista Das Chagas H. BRANDAO MALBOUISSON W. Carvalho J. Chinellato E. Coelho E. M. Da Costa G. G. Da Silveira D. De Jesus Damiao S. Fonseca De Souza J. Martins D. Matos Figueiredo M. Medina Jaime M. Melo De Almeida C. Mora Herrera L. Mundim H. Nogima P. Rebello Teles L. J. Sanchez Rosas A. Santoro S. M. Silva Do Amaral A. Sznajder M. Thiel E. J. Tonelli Manganote F. Torres Da Silva De Araujo A. Vilela Pereira C. A. Bernardes L. Calligaris T. R. Fernandez Perez Tomei E. M. Gregores D. S. Lemos P. G. Mercadante S. F. Novaes Sandra S. Padula A. Aleksandrov G. Antchev I. Atanasov R. Hadjiiska P. Iaydjiev M. Misheva M. Rodozov M. Shopova G. Sultanov M. Bonchev A. Dimitrov T. Ivanov L. Litov B. Pavlov P. Petkov A. Petrov W. Fang Q. Guo H. Wang L. Yuan M. Ahmad Z. Hu Yerevan Physics Institute Yerevan Armenia Institut für Hochenergiephysik Wien Austria Institute for Nuclear Problems Minsk Belarus Universiteit Antwerpen Antwerpen Belgium Vrije Universiteit Brussel Brussel Belgium Université Libre de Bruxelles Bruxelles Belgium Ghent University Ghent Belgium Université Catholique de Louvain Louvain-la-Neuve Belgium Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil Universidade Estadual Paulista São Paulo Brazil Universidade Federal do ABC São Paulo Brazil Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria University of Sofia Sofia Bulgaria Beihang University Beijing China Rutgers The State University of New Jersey Piscataway New Jersey USA Department of Physics Tsinghua University Beijing China University of Virginia Charlottesville Virginia USA Institute of High Energy Physics Beijing China Massachusetts Institute of Technology Cambridge Massachusetts USA State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China The University of Kansas Lawrence Kansas USA Sun Yat-Sen University Guangzhou China Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE)—Fudan University Shanghai China Zhejiang University Hangzhou China Universidad de Los Andes Bogota Colombia Universidad de Antioquia Medellin Colombia University of Split Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture Split Croatia University of Split Faculty of Science Split Croatia Institute Rudjer Boskovic Zagreb Croatia University of Cyprus Nicosia Cyprus Charles University Prague Czech Republic Escuela Politecnica Nacional Quito Ecuador Universidad San Francisco de Quito Quito Ecuador Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt Center for High Ener

A search is conducted for a low-mass charged Higgs boson produced in a top quark decay and subsequently decaying into a charm and a strange quark. The data sample was recorded in proton-proton collisions at s=13 TeV by the CMS experiment at the LHC and corresponds to an integrated luminosity of 35.9 fb−1. The search is performed in the process of top quark pair production, where one top quark decays to a bottom quark and a charged Higgs boson and the other to a bottom quark and a W boson. With the W boson decaying to a charged lepton (electron or muon) and a neutrino, the final state comprises an isolated lepton, missing transverse momentum, and at least four jets, of which two are tagged as b jets. To enhance the search sensitivity, one of the jets originating from the charged Higgs boson is required to satisfy a charm tagging selection. No significant excess beyond standard model predictions is found in the dijet invariant mass distribution. An upper limit in the range 1.68%–0.25% is set on the branching fraction of the top quark decay to the charged Higgs boson and bottom quark for a charged Higgs boson mass between 80 and 160 GeV.

关键词： Higgs bosons Hypothetical gauge bosons Hadron colliders

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ASSESSING THE VISUAL EFFECT OF NON-PERIODIC TEMPORAL VARIATION OF QUANTIZATION STEPSIZE IN COMPRESSED VIDEO

ASSESSING THE VISUAL EFFECT OF NON-PERIODIC TEMPORAL VARIATI...

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IEEE International Conference on Image Processing

作者： Zhili Guo Yao Wang Xiaoqing Zhu Polytechnic School of Engineering New York University Department of Electrical and Computer Engineering Chief Technology and Architecture Office Cisco Systems Inc.

ISBN: (纸本)9781479983407

This work investigates the impact of non-periodic quantization step size variation on perceptual video quality. We composed non-periodic temporal variation patterns from periodic variation patterns. We present subjective test results and examine how does the overall quality under non-periodic variation relate to the qualities of individual periodic components, and how does it relate to the instantaneous qualities at different time points. We propose two quality models based on our observations and data analysis. Such quality assessment and modeling are essential for designing video adaptation strategy when delivering video over dynamically changing wireless links.

关键词： Perceptual video quality Temporal variation Quality metrics temporal variations Videotapes Quantization Subjective testing Visualization COMPRESSED Quality assessment wireless

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A numerical study of an autoparametric system with electromagnetic energy harvester

A numerical study of an autoparametric system with electroma...

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2015 ECCOMAS Thematic Conference on Multibody Dynamics, Multibody Dynamics 2015

作者： Mitura, A. Kecik, K. Warminski, J. Jarzyna, W. Lenci, S. Department of Applied Mechanics Lublin University of Technology Nadbystrzycka 36 Lublin20-618 Poland Electrical Drives and Electrical Machines Department Lublin University of Technology Nadbystrzycka 38 Lublin20-618 Poland Department of Civil and Building Engineering and Architecture Polytechnic University of Marche via Brecce Bianche Ancona60131 Italy

ISBN: (纸本)9788494424403

In the paper a strongly nonlinear model of an autoparametric system with added electromagnetic energy harvester is shown. The studied system is considered simultaneously as a device dedicated for vibration absorption and energy harvesting as well. The analysis is limited to the main parametric resonance region. Obtained numerical results show possibility of energy harvesting from different kind of pendulum motion. It is demonstrated that the chaotic behaviour is the best kind of motion for energy harvesting.

关键词： Energy harvesting

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Lead Adsorption onto Various Solid Surfaces

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Natural Resources 2015年第3期6卷 152-158页

作者： Handojo Djati Utomo School of Architecture and The Built Environment Division of Civil Engineering Singapore Polytechnic Singapore Department of Chemistry Marine and Freshwater Chemistry Laboratory University of Otago Dunedin New Zealand

Adsorption is becoming an important method in water and wastewater treatment technology at low concentrations. Pb2+ adsorption at low concentration onto various solid surfaces using either nano metal oxide of MnO2, or granulated activated carbon (GAC) or agricultural by-products such as tea leaves and coffee residue are considered promising. In this adsorption study the measurements were conducted by equilibrating Lead solutions at different concentrations range 19 - 291 μmol·L-1 with various adsorbent suspensions in the concentration range 0.388 - 8.738 g·L-1. Comparing all the adsorption capacities calculated using Langmuir equation Pb2+ adsorption by MnO2 shows the highest adsorption capacity with the estimated Γm = 528.0 μmol·g–1 at a fixed equilibrium constant K = 0.0119 L·μmoL-1. In addition, the Pb2+ adsorption by coffee residue is subject to a particle concentration effect in which the adsorption density decreases as the concentration of solid adsorbent Cs is increased. The Pb2+ adsorption by tea leaves, MnO2 and GAC shows less dependency to the concentration of solid adsorbent Cs, especially at lower metal ion concentrations. In the particular case of Pb2+ adsorption on MnO2 there appears to be no dependence on Cs.

关键词： Adsorption Coffee Residue GAC Pb2+ Particle Concentration Effect Tea Leaves Nano Metal Oxide of MnO2

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Classification of basic facilities for high-rise residential: A survey from 100 housing scheme in Kajang area

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AIP Conference Proceedings 2016年第1期1761卷

作者： Adi Irfan Che Ani Ahmad Sairi Norngainy Mohd Tawil Siti Rashidah Hanum Abd Wahab Muhd Zulhanif Abd Razak Department of Architecture Faculty of Engineering & Built Environment Universiti Kebangsaan Malaysia UKM Malaysia Department of Polytechnic Ministry of Education Malaysia Department of Building Control Kajang Municipal Council MPKj Selangor Malaysia

High demand for housing and limited land in town area has increasing the provision of high-rise residential scheme. This type of housing has different owners but share the same land lot and common facilities. Thus, maintenance works of the buildings and common facilities must be well organized. The purpose of this paper is to identify and classify basic facilities for high-rise residential building hoping to improve the management of the scheme. The method adopted is a survey on 100 high-rise residential schemes that ranged from affordable housing to high cost housing by using a snowball sampling. The scope of this research is within Kajang area, which is rapidly developed with high-rise housing. The objective of the survey is to list out all facilities in every sample of the schemes. The result confirmed that pre-determined 11 classifications hold true and can provide the realistic classification for high-rise residential scheme. This paper proposed for redefinition of facilities provided to create a better management system and give a clear definition on the type of high-rise residential based on its facilities.

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HΛ3 and H‾Λ‾3 lifetime measurement in Pb–Pb collisions at s_NN=5.02 TeV via two-body decay

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Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 2019年 797卷 134905-000页

作者： Acharya, S. Adamová, D. Adhya, S.P. Adler, A. Adolfsson, J. Aggarwal, M.M. Aglieri Rinella, G. Agnello, M. Agrawal, N. Ahammed, Z. Ahmad, S. Ahn, S.U. Akindinov, A. Al-Turany, M. Alam, S.N. Albuquerque, D.S.D. Aleksandrov, D. Alessandro, B. Alfanda, H.M. Alfaro Molina, R. Ali, B. Ali, Y. Alici, A. Alkin, A. Alme, J. Alt, T. Altenkamper, L. Altsybeev, I. Anaam, M.N. Andrei, C. Andreou, D. Andrews, H.A. Andronic, A. Angeletti, M. Anguelov, V. Anson, C. Antičić, T. Antinori, F. Antonioli, P. Anwar, R. Apadula, N. Aphecetche, L. Appelshäuser, H. Arcelli, S. Arnaldi, R. Arratia, M. Arsene, I.C. Arslandok, M. Augustinus, A. Averbeck, R. Aziz, S. Azmi, M.D. Badalà, A. Baek, Y.W. Bagnasco, S. Bai, X. Bailhache, R. Bala, R. Baldisseri, A. Ball, M. Balouza, S. Baral, R.C. Barbera, R. Barioglio, L. Barnaföldi, G.G. Barnby, L.S. Barret, V. Bartalini, P. Barth, K. Bartsch, E. Baruffaldi, F. Bastid, N. Basu, S. Batigne, G. Batyunya, B. Batzing, P.C. Bauri, D. Bazo Alba, J.L. Bearden, I.G. Bedda, C. Behera, N.K. Belikov, I. Bellini, F. Bellwied, R. Belyaev, V. Bencedi, G. Beole, S. Bercuci, A. Berdnikov, Y. Berenyi, D. Bertens, R.A. Berzano, D. Besoiu, M.G. Betev, L. Bhasin, A. Bhat, I.R. Bhat, M.A. Bhatt, H. Bhattacharjee, B. Bianchi, A. Bianchi, L. Bianchi, N. Bielčík, J. Bielčíková, J. Bilandzic, A. Biro, G. Biswas, R. Biswas, S. Blair, J.T. Blau, D. Blume, C. Boca, G. Bock, F. Bogdanov, A. Boldizsár, L. Bolozdynya, A. Bombara, M. Bonomi, G. Borel, H. Borissov, A. Borri, M. Bossi, H. Botta, E. Bratrud, L. Braun-Munzinger, P. Bregant, M. Broker, T.A. Broz, M. Brucken, E.J. Bruna, E. Bruno, G.E. Buckland, M.D. Budnikov, D. Buesching, H. Bufalino, S. Bugnon, O. Buhler, P. Buncic, P. Buthelezi, Z. Butt, J.B. Buxton, J.T. Bysiak, S.A. Caffarri, D. Caliva, A. Calvo Villar, E. Camacho, R.S. Camerini, P. Capon, A.A. Carnesecchi, F. Castillo Castellanos, J. Castro, A.J. Casula, E.A.R. Catalano, F. Ceballos Sanchez, C. Chakraborty, P. Chandra, S. Chang, B. Chang, W. Chapeland, S. Chartier, M. Chattopadhyay, S. Chauvin, A. Cheshkov, C. A.I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation Yerevan Armenia Bogolyubov Institute for Theoretical Physics National Academy of Sciences of Ukraine Kiev Ukraine Bose Institute Department of Physics Centre for Astroparticle Physics and Space Science (CAPSS) Kolkata India Budker Institute for Nuclear Physics Novosibirsk Russian Federation California Polytechnic State University San Luis Obispo CA United States Central China Normal University Wuhan China Centre de Calcul de l'IN2P3 Villeurbanne Lyon France Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CEADEN) Havana Cuba Centro de Investigación y de Estudios Avanzados (CINVESTAV) Mexico City and Mérida Mexico Centro Fermi – Museo Storico della Fisica e Centro Studi e Ricerche “Enrico Fermi” Rome Italy Chicago State University Chicago IL United States China Institute of Atomic Energy Beijing China Chonbuk National University Jeonju South Korea Comenius University Bratislava Faculty of Mathematics Physics and Informatics Bratislava Slovakia COMSATS University Islamabad Islamabad Pakistan Creighton University Omaha NE United States Department of Physics Aligarh Muslim University Aligarh India Department of Physics Pusan National University Pusan South Korea Department of Physics Sejong University Seoul South Korea Department of Physics University of California Berkeley CA United States Department of Physics University of Oslo Oslo Norway Department of Physics and Technology University of Bergen Bergen Norway Dipartimento di Fisica dell'Università ‘La Sapienza’ Sezione INFN Rome Italy Dipartimento di Fisica dell'Università Sezione INFN Cagliari Italy Dipartimento di Fisica dell'Università Sezione INFN Trieste Italy Dipartimento di Fisica dell'Università Sezione INFN Turin Italy Dipartimento di Fisica e Astronomia dell'Università Sezione INFN Bologna Italy Dipartimento di Fisica e Astronomia dell'Università Sezione INFN Catania Italy Dipartimento

An improved value for the lifetime of the (anti-)hypertriton has been obtained using the data sample of Pb–Pb collisions at sNN=5.02 TeV collected by the ALICE experiment at the LHC. The (anti-)hypertriton has been r...

An improved value for the lifetime of the (anti-)hypertriton has been obtained using the data sample of Pb–Pb collisions at s_NN=5.02 TeV collected by the ALICE experiment at the LHC. The (anti-)hypertriton has been reconstructed via its charged two-body mesonic decay channel and the lifetime has been determined from an exponential fit to the dN/d(ct) spectrum. The measured value, τ=242₋₃₈ ⁺³⁴ (stat.) ± 17 (syst.) ps, is compatible with representative theoretical predictions, thus contributing to the solution of the longstanding hypertriton lifetime puzzle. © 2019 The Author

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Towards Physical Internet-enabled Prefabricated Housing Construction in Hong Kong

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IFAC-PapersOnLine 2015年第3期48卷 1079-1086页

作者： Zhong, Ray. Y. Peng, Yi Fang, Ji Xu, Gangyan Xue, Fan Zou, Weiwu Huang, George Q. HKU-ZIRI Lab for Physical Internet Department of Industrial and Manufacturing Systems Engineering University of Hong Kong Pokfulam Hong Kong Dept. of Real Estate and Construction Faculty of Architecture University of Hong Kong Pokfulam Hong Kong Dept. of Building and Real Estate Faculty of Construction and Environment Hong Kong Polytechnic University Hunghom Hong Kong Dept. of Civil Engineering Faculty of Engineering University of Hong Kong Pokfulam Hong Kong

Prefabrication could provide various benefits for housing production, including lower the cost, improve the management efficiency and quality, ensure the safety, and realize sustainability. However, to fully acquire these benefits in real world construction process, challenges still exist on real-time tracing and tracking of the prefabrication components, and getting real-time interactions among all the stockholders. Physical Internet (PI), as has been well adopted in logistics, could be an effective solution for real-time visibility. Based on the prefabrication practice in Hong Kong, this paper proposes the architecture of an PI-enabled prefabricated housing construction which upgrades and transforms the prefabrication construction so that the logistics echelons could be seamlessly integrated and synchronized, together with a PI-enabled decision support system (DSS) which uses Internet of Things (IoT) and cloud techniques for designing the architecture and a rich set of services and tools to assist different decision makers. Firstly, three stages of prefabrication construction have been analyzed in detail to point out current challenges. Secondly, the technical framework of PI-enabled Building Information Modelling (BIM) Platform (PIBIMP) is developed. Finally, a case study is given to demonstrate the working process of our proposed solution, and the effectiveness of it has also been verified. © 2015, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.

关键词： Radio frequency identification (RFID)

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4-Wheel Independent in-wheel-motor Drive and Independent Steering Electric Vehicle safety analysis method based on mass re-distribution experiment

4-Wheel Independent in-wheel-motor Drive and Independent Ste...

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International Conference on Autonomous Robots and Agents, ICARA

作者： Ziming Qi Xu Zhao Kuang Ma Matthew King Wei-Chen Lee Ji-Wei Lin Shao-Min Lee School of Architecture Building and Engineering Otago Polytechnic Dunedin New Zealand Department of Mechanical Engineering National Taiwan University of Science and Technology Taipei Taiwan

This paper presents a safety analysis method based on mass re-distribution experiment of the novel 4-Wheel Independent in-wheel-motor Drive and Independent Steering Electrical Vehicle (4WIDIS EV), which has four independent wheel units with the central engine, gearbox and steering mechanism all removed, as each independent unit has an in-wheel motor with its own steering control system. A central control unit is used to coordinate the 4 wheels and translate the driver's input to the wheels so that there is no mechanical link between these wheel units. In such a design, as compare to traditional vehicle, the mass distribution could be more flexible. Based on this flexibility and extra space, the method is proposed to experiment the distribution of mass by re-arranging the battery pack(s) in the vehicle to improve the safety.

关键词： Wheels Vehicles Batteries Force measurement Safety Engines Automation

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Experimental Study of Flow Past Obstacles by PIV

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Procedia engineering 2015年 126卷 537-541页

作者： Bin Liao Shan-Qun Chen College of Architecture and Civil Engineering Anhui Polytechnic University Wuhu 241000 China Department of Modern Mechanics University of Science and Technology of China Hefei 230026 China

The velocity field of flow past obstacles was surveyed by particle image velocimetry technique using 8 μm Al 2 O 3 powder as tracers. The flow field around the obstacles are obtained. The plots of the streamlines and the mean velocity field in horizontal and vertical sections are drawn. The vortex characteristics of wake flow in various flow field are investigated and compared.

关键词： flow around bluff body PIV technique streamline wake flow

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3D survey technologies applied to the archaeology for the new "Municipio" underground station in Naples 1

3D survey technologies applied to the archaeology for the ne...

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1st International Conference on Metrology for Archaeology, MetroArchaeo 2015

作者： Giampaola, Daniela Carsana, Vittoria Achille, Cristiana Ackermann, Sebastiano Fassi, Francesco Fregonese, Luigi Nobile, Alessia Superintendence Archaeology Campania Piazza Museo Nazionale 19 Naples80135 Italy Superintendence Archaeology Campania Via del Marzano 6 Naples80123 Italy Polytechnic of Milan Department of Architecture Built Environment and Construction Engineering ABC Via Ponzio 31 Milan20133 Italy

ISBN: (纸本)9788894045338

Advanced 3D survey technologies, such as Digital Photogrammetry and Laser Scanner, are nowadays widely used in several fields such as Cultural Heritage and Archaeology, allowing to obtain detailed 3D textured models in a fast way for different purposes. These technologies are usually employed to perform single individual surveys but they have rarely been considered for continuous surveys like being part of a "production line". The construction of the new "Municipio" underground station in Naples, due to its position in one of the historical area of the city, coexists with the archaeological excavations and is strictly tied to their evolution. With such surveys, the need to reduce as much as possible time to build a public infrastructure, with the one to produce accurate documentation of what is considered archaeologically important are combined. © 2015 Metrology for Archaeology, MetroArchaeo

关键词： Excavation

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