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Search for the Decay of the Higgs Boson to Charm Quarks with the ATLAS Experiment

Physical Review Letters 2018年第21期120卷 211802-211802页

作者： M. Aaboud G. Aad B. Abbott O. Abdinov B. Abeloos S. H. Abidi O. S. AbouZeid N. L. Abraham H. Abramowicz H. Abreu Y. Abulaiti B. S. Acharya S. Adachi L. Adamczyk J. Adelman M. Adersberger T. Adye A. A. Affolder Y. Afik C. Agheorghiesei J. A. Aguilar-Saavedra S. P. Ahlen F. Ahmadov G. Aielli S. Akatsuka T. P. A. Åkesson E. Akilli A. V. Akimov G. L. Alberghi J. Albert P. Albicocco M. J. Alconada Verzini S. Alderweireldt M. Aleksa I. N. Aleksandrov C. Alexa G. Alexander T. Alexopoulos M. Alhroob B. Ali M. Aliev G. Alimonti J. Alison S. P. Alkire C. Allaire B. M. M. Allbrooke B. W. Allen P. P. Allport A. Aloisio A. Alonso F. Alonso C. Alpigiani A. A. Alshehri M. I. Alstaty B. Alvarez Gonzalez D. Álvarez Piqueras M. G. Alviggi B. T. Amadio Y. Amaral Coutinho L. Ambroz C. Amelung D. Amidei S. P. Amor Dos Santos S. Amoroso C. Anastopoulos L. S. Ancu N. Andari T. Andeen C. F. Anders J. K. Anders K. J. Anderson A. Andreazza V. Andrei S. Angelidakis I. Angelozzi A. Angerami A. V. Anisenkov A. Annovi C. Antel M. Antonelli A. Antonov D. J. Antrim F. Anulli M. Aoki L. Aperio Bella G. Arabidze Y. Arai J. P. Araque V. Araujo Ferraz R. Araujo Pereira A. T. H. Arce R. E. Ardell F. A. Arduh J-F. Arguin S. Argyropoulos A. J. Armbruster L. J. Armitage O. Arnaez H. Arnold M. Arratia O. Arslan A. Artamonov G. Artoni S. Artz S. Asai N. Asbah A. Ashkenazi L. Asquith K. Assamagan R. Astalos R. J. Atkin M. Atkinson N. B. Atlay K. Augsten G. Avolio R. Avramidou B. Axen M. K. Ayoub G. Azuelos A. E. Baas M. J. Baca H. Bachacou K. Bachas M. Backes P. Bagnaia M. Bahmani H. Bahrasemani J. T. Baines M. Bajic O. K. Baker P. J. Bakker D. Bakshi Gupta E. M. Baldin P. Balek F. Balli W. K. Balunas E. Banas A. Bandyopadhyay Sw. Banerjee A. A. E. Bannoura L. Barak E. L. Barberio D. Barberis M. Barbero T. Barillari M-S Barisits J. T. Barkeloo T. Barklow N. Barlow R. Barnea S. L. Barnes B. M. Barnett R. M. Barnett Z. Barnovska-Blenessy A. Baroncelli G. Barone A. J. Barr L. Barranco Navarro F. Barreiro J. Barreiro Guimarães da Costa R. Bartoldus A. E. Bart Faculté des Sciences Université Mohamed Premier and LPTPM Oujda Morocco CPPM Aix-Marseille Université and CNRS/IN2P3 Marseille France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman Oklahoma USA Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan LAL Univ. Paris-Sud CNRS/IN2P3 Université Paris-Saclay Orsay France Department of Physics University of Toronto Toronto Ontario Canada Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz California USA Department of Physics and Astronomy University of Sussex Brighton United Kingdom Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel Department of Physics Technion: Israel Institute of Technology Haifa Israel High Energy Physics Division Argonne National Laboratory Argonne Illinois USA INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Tokyo Japan AGH University of Science and Technology Faculty of Physics and Applied Computer Science Krakow Poland Department of Physics Northern Illinois University DeKalb Illinois USA Fakultät für Physik Ludwig-Maximilians-Universität München München Germany Particle Physics Department Rutherford Appleton Laboratory Didcot United Kingdom Department of Physics Alexandru Ioan Cuza University of Iasi Iasi Romania Laboratório de Instrumentação e Física Experimental de Partículas—LIP Lisboa Portugal Departamento de Fisica Teorica y del Cosmos Universidad de Granada Granada Portugal Department of Physics Boston University Boston Massachusetts USA Joint Institute for Nuclear Research JINR Dubna Dubna Russia INFN Sezione di Roma Tor Vergata Roma Italy Dipartimento di Fisica Università di Roma Tor Vergata Roma Italy Faculty of Science Kyoto University Kyoto Japan Fysiska institutionen Lunds universitet Lund

A direct search for the standard model Higgs boson decaying to a pair of charm quarks is presented. Associated production of the Higgs and Z bosons, in the decay mode ZH→ℓ+ℓ−cc¯ is studied. A data set with an integrated luminosity of 36.1 fb−1 of pp collisions at s=13TeV recorded by the ATLAS experiment at the LHC is used. The H→cc¯ signature is identified using charm-tagging algorithms. The observed (expected) upper limit on σ(pp→ZH)×B(H→cc¯) is 2.7 (3.9−1.1+2.1) pb at the 95% confidence level for a Higgs boson mass of 125 GeV, while the standard model value is 26 fb.

关键词： Spontaneous symmetry breaking Charm quark Higgs bosons

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Single and two-phase flow measurements using optical fiber Bragg gratings

Single and two-phase flow measurements using optical fiber B...

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Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, BGPP 2014

作者： Baroncini, Virgínia Helena V. Martelli, Cicero Da Silva, Marco José Morales, Rigoberto E.M. Graduate School on Electrical Engineering and Applied Computer Science Federal University of Technology - Paraná Curitiba PR80230-901 Brazil Graduate School on Mechanical Engineering Federal University of Technology - Paraná Curitiba PR80230-901 Brazil

The use of quasi-distributed optical fiber Bragg grating strain sensors is demonstrated as single and dual phase flow meters. Results show the potential of this technique to characterize and investigate flow evolution... 详细信息

ISBN: (纸本)9781557528209

关键词： Flow measurement

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Optical imaging through crude oil

Optical imaging through crude oil

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Optical Sensors, 2014

作者： Dutra, Guilherme Martelli, Cicero Patyk, Rodolfo L. da Silva, Marco J. Vendruscolo, Tiago P. Morales, Rigoberto E.M. Graduate School on Electrical Engineering and Applied Computer Science Federal University of Technology - Paraná Curitiba PR80230-901 Brazil Graduate School on Mechanical Engineering Federal University of Technology - Paraná Curitiba PR80230-901 Brazil

ISBN: (纸本)9781557528209

Whilst crude oil is completely opaque at the visible/NIR regions it shows some transparency at the IR above 4 micrometers. This allows obtaining images from inside the volume containing crude oil. Whilst crude oil is completely opaque at the visible/NIR regions it shows some transparency at the IR above 4 micrometers. This allows obtaining images from inside the volume containing crude oil. © 2014 OSA.

关键词： Crude oil

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A novel approach for ensuring high end-to-end availability: The spine concept

A novel approach for ensuring high end-to-end availability: ...

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10th International Conference on Design of Reliable Communication Networks, DRCN 2014

作者： Gomes, Teresa Tipper, David Alashaikh, Abdulaziz Department of Electrical and Computer Engineering University of Coimbra / INESC Coimbra 3030-290 Coimbra Portugal Graduate Telecommunications and Networking Program University of Pittsburgh Pittsburgh PA 15260 United States

ISBN: (纸本)9781479940097

Telecommunications networks need to guarantee that all node pairs involved in critical service communications are highly available. Typically only a small fraction of traffic and users needs high levels of availability but this traffic often drives the network design to over engineering. In this paper we adopt a novel approach to the problem of how to provide high levels of availability in an efficient manner. The basic idea is to embed a high availability set of links and nodes (termed the spine) in the network topology and leverage protection and routing to provide differentiated classes of resilience with varying levels of availability. In this paper we first explore the spine concept through a simple example illustrating the potential benefits of the approach. Then we study how the structural properties of a network topology can be used to determine heuristics to select a suitable spine and compare this with the case where all network components have the same availability. This is followed by a numerical based study comparing the heuristics with all possible spanning tree based spines for sample topologies. Our results are a step along the path of how to best design a physical network to support protection methods in achieving high levels of availability cost efficiently. © 2014 IEEE.

关键词： Availability

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Assistive robotic manipulation through shared autonomy and a Body-Machine Interface

Assistive robotic manipulation through shared autonomy and a...

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IEEE International Conference on Rehabilitation Robotics (ICORR)

作者： Siddarth Jain Ali Farshchiansadegh Alexander Broad Farnaz Abdollahi Ferdinando Mussa-Ivaldi Brenna Argall Department of Electrical Engineering and Computer Science Northwestern University Evanston IL USA Sensory Motor and Performance Program Rehabilitation Institute of Chicago Chicago IL USA Department of Biomedical Engineering Northwestern University Evanston IL USA Department of Physiology Northwestern University Chicago IL USA Department of Physical Medicine and Rehabilitation Northwestern University Chicago IL USA

ISBN: (纸本)9781479918096

Assistive robotic manipulators have the potential to improve the lives of people with motor impairments. They can enable individuals to perform activities such as pick-and-place tasks, opening doors, pushing buttons, and can even provide assistance in personal hygiene and feeding. However, robotic arms often have more degrees of freedom (DoF) than the dimensionality of their control interface, making them challenging to use-especially for those with impaired motor abilities. Our research focuses on enabling the control of high-DoF manipulators to motor-impaired individuals for performing daily tasks. We make use of an individual's residual motion capabilities, captured through a Body-Machine Interface (BMI), to generate control signals for the robotic arm. These low-dimensional controls are then utilized in a shared-control framework that shares control between the human user and robot autonomy. We evaluated the system by conducting a user study in which 6 participants performed 144 trials of a manipulation task using the BMI interface and the proposed shared-control framework. The 100% success rate on task performance demonstrates the effectiveness of the proposed system for individuals with motor impairments to control assistive robotic manipulators.

关键词： Manipulators Trajectory Rehabilitation robotics Robot kinematics Aerospace electronics

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Local field enhanced nonlinear optical effect in hybrid Si-SiO2 nano-composites dispersion

Local field enhanced nonlinear optical effect in hybrid Si-S...

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19th OptoElectronics and Communications Conference, OECC 2014 and the 39th Australian Conference on Optical Fibre Technology, ACOFT 2014

作者： Lianwei, Chen Zheren, Du Mengxue, Wu Tsung-Sheng, Kao Minghui, Hong Department of Electrical and Computer Engineering National University of Singapore 4 Engineering Drive 3 117576 Singapore Singapore Engineering Science Program National University of Singapore 4 Engineering Drive 3 117576 Singapore Singapore

ISBN: (纸本)9781922107213

关键词： Silica

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Erratum to: Measurement of the W-boson mass in pp collisions at with the ATLAS detector

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The European Physical Journal C 2018年第11期78卷 1-14页

作者： Aaboud, M. Aad, G. Abbott, B. Abdallah, J. Abdinov, O. Abeloos, B. Abidi, S. H. AbouZeid, O. S. Abraham, N. L. Abramowicz, H. Abreu, H. Abreu, R. Abulaiti, Y. Acharya, B. S. Adachi, S. Adamczyk, L. Adams, D. L. Adelman, J. Adersberger, M. Adye, T. Affolder, A. A. Agatonovic-Jovin, T. Agheorghiesei, C. Aguilar-Saavedra, J. A. Ahlen, S. P. Ahmadov, F. Aielli, G. Akatsuka, S. Akerstedt, H. Åkesson, T. P. A. Akimov, A. V. Alberghi, G. L. Albert, J. Alconada Verzini, M. J. Aleksa, M. Aleksandrov, I. N. Alexa, C. Alexander, G. Alexopoulos, T. Alhroob, M. Ali, B. Aliev, M. Alimonti, G. Alison, J. Alkire, S. P. Allbrooke, B. M. M. Allen, B. W. Allport, P. P. Aloisio, A. Alonso, A. Alonso, F. Alpigiani, C. Alshehri, A. A. Alstaty, M. Alvarez Gonzalez, B. Álvarez Piqueras, D. Alviggi, M. G. Amadio, B. T. Amaral Coutinho, Y. Amelung, C. Amidei, D. Amor Dos Santos, S. P. Amorim, A. Amoroso, S. Amundsen, G. Anastopoulos, C. Ancu, L. S. Andari, N. Andeen, T. Anders, C. F. Anders, J. K. Anderson, K. J. Andreazza, A. Andrei, V. Angelidakis, S. Angelozzi, I. Angerami, A. Anghinolfi, F. Anisenkov, A. V. Anjos, N. Annovi, A. Antel, C. Antonelli, M. Antonov, A. Antrim, D. J. Anulli, F. Aoki, M. Aperio Bella, L. Arabidze, G. Arai, Y. Araque, J. P. Araujo Ferraz, V. Arce, A. T. H. Ardell, R. E. Arduh, F. A. Arguin, J-F. Argyropoulos, S. Arik, M. Armbruster, A. J. Armitage, L. J. Arnaez, O. Arnold, H. Arratia, M. Arslan, O. Artamonov, A. Artoni, G. Artz, S. Asai, S. Asbah, N. Ashkenazi, A. Asquith, L. Assamagan, K. Astalos, R. Atkinson, M. Atlay, N. B. Augsten, K. Avolio, G. Axen, B. Ayoub, M. K. Azuelos, G. Baas, A. E. Baca, M. J. Bachacou, H. Bachas, K. Backes, M. Backhaus, M. Bagiacchi, P. Bagnaia, P. Baines, J. T. Bajic, M. Baker, O. K. Baldin, E. M. Balek, P. Balestri, T. Balli, F. Balunas, W. K. Banas, E. Banerjee, Sw. Bannoura, A. A. E. Barak, L. Barberio, E. L. Barberis, D. Barbero, M. Barillari, T. Barisits, M-S. Barklow, T. Barlow, N. Barnes, S. L. Barnett, B. M. Barnett, R. M. Barnovska-Blenessy, Z. Baroncelli, A. Barone, G. Faculté des Sciences Université Mohamed Premier and LPTPM Oujda Morocco CPPM Aix-Marseille Université and CNRS/IN2P3 Marseille France Homer L. Dodge Department of Physics and Astronomy University of Oklahoma Norman USA Department of Physics The University of Texas at Arlington Arlington USA Institute of Physics Azerbaijan Academy of Sciences Baku Azerbaijan LAL Univ. Paris-Sud CNRS/IN2P3 Université Paris-Saclay Orsay France Department of Physics University of Toronto Toronto Canada Santa Cruz Institute for Particle Physics University of California Santa Cruz Santa Cruz USA Department of Physics and Astronomy University of Sussex Brighton UK Raymond and Beverly Sackler School of Physics and Astronomy Tel Aviv University Tel Aviv Israel Department of Physics Technion: Israel Institute of Technology Haifa Israel Center for High Energy Physics University of Oregon Eugene USA Department of Physics Stockholm University Stockholm Sweden The Oskar Klein Centre Stockholm Sweden INFN Gruppo Collegato di Udine Sezione di Trieste Udine Italy ICTP Trieste Italy International Center for Elementary Particle Physics and Department of Physics The University of Tokyo Tokyo Japan Faculty of Physics and Applied Computer Science AGH University of Science and Technology Kraków Poland Physics Department Brookhaven National Laboratory Upton USA Department of Physics Northern Illinois University DeKalb USA Fakultät für Physik Ludwig-Maximilians-Universität München Munich Germany Particle Physics Department Rutherford Appleton Laboratory Didcot UK Institute of Physics University of Belgrade Belgrade Serbia Horia Hulubei National Institute of Physics and Nuclear Engineering Bucharest Romania Laboratório de Instrumentação e Física Experimental de Partículas-LIP Lisbon Portugal Departamento de Fisica Teorica y del Cosmos and CAFPE Universidad de Granada Granada Spain Department of Physics Boston University Boston USA Joint Institute for Nuclear Research JINR Dubn

It has been found that Figure 30 shows the 68% and 99% confidence-level contours for the W boson and top quark mass measurements, instead of the 68% and 95% confidence-level contours, as stated in the legend.

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A wearable vibration glove for improving hand sensation in persons with Spinal Cord Injury using Passive Haptic Rehabilitation

A wearable vibration glove for improving hand sensation in p...

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International Conference on Pervasive Computing Technologies for Healthcare, PervasiveHealth

作者： LTC Tanya Estes Deborah Backus Thad Starner Department of Electrical Engineering and Computer Science United States Military Academy West Point New York FACRM Director of Multiple Sclerosis Research The Eula C. and Andrew C. Carlos Rehabilitation and Wellness Program at Shepherd Center Atlanta NW Georgia Georgia Institute of Technology Atlanta NW Georgia

We define Passive Haptic Rehabilitation (PHR) as an improvement in haptic sensations or abilities using methods which require little or no attention on the part of the user. We present a study that suggests improvement in hand sensation in participants with partial Spinal Cord Injury (SCI) in C4-T1 after use of our Mobile Music Touch (MMT) glove. The MMT glove is designed to teach piano melodies passively. It stimulates the participant's fingers repeatedly in the order of notes in the songs to be learned. In a study of ten hands, seven people with incomplete SCI participate in simple piano lessons three times a week for thirty minutes a session for eight weeks. The experimental group also attends these lessons but also wear our Mobile Music Touch (MMT) glove for two hours a day, five times a week to reinforce these lessons passively. Participants were injured over a year before the beginning of the study. The Semmes-Weinstein test is used to measure sensation at eight points on the hand before and after the piano lessons. The mean improvements between the experimental group and control group show a difference that is statistically significant. All hand areas in the experimental group show an improvement in average Semmes-Weinstein scores.

关键词： Vibrations Injuries Mobile communication Thumb Haptic interfaces

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A* searching algorithm solving collision problem for multiple mobile robots

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ICIC Express Letters, Part B: Applications 2014年第1期5卷 175-182页

作者： Li, Bo-Yi Su, Kuo-Lan Hsia, Kuo-Hsien Graduate School Engineering Science and Technology National Yunlin University of Science and Technology No. 123 University Road Section 3 Douliou Yunlin 64002 Taiwan Department of Electrical Engineering National Yunlin University of Science and Technology No. 123 University Road Section 3 Douliou Yunlin 64002 Taiwan Department of Computer Science and Information Engineering Far East University No. 49 Zhonghua Road Xinshi Tainan 74448 Taiwan

The article programs the shortest motion paths of the multiple mobile robot- s using enhance A* searching algorithm to be applied in the Chinese chess game, and presents the movement scenario of the chess on the grid based chessboard platform, and solves the collision problem of the motion paths for two mobile robots moving on the platform simultaneously. We play the Chinese chess game using the mouse according to the evaluation algorithm of the game on the user interface. The user interface controls mobile robots according to the programmed motion paths of the chess moving on the platform via wireless RF interface. We improve A* searching algorithm to solve the shortest path problem of the chess, and use mobile robots to present the movement scenario from the start points to the target points according to the game rules. The proposed algorithm solves the collision problem for multiple mobile robots moving in the platform simultaneously. Finally, we use simulation method to display the motion paths of the assigned chesses on the user interface, and implement the simulation results on the chessboard platform using mobile robots. Mobile robots move on the platform according to the programmed motion paths and use IR sensors to avoid the obstacles (chesses), and detect the cross point of the platform. The assigned mobile robot must move to stop at the assigned cross point of the platform after the player moving the chess. © 2014 ICIC International.

关键词： Mobile robots

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Pattern formation of multi mobile robots using arm gesture action

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ICIC Express Letters, Part B: Applications 2014年第1期5卷 169-174页

作者： Hsia, Kuo-Hsien Li, Bo-Yi Su, Kuo-Lan Department of Computer Science and Information Engineering Far East University No. 49 Zhonghua Road Xinshi Tainan 74448 Taiwan Graduate School of Engineering Science and Technology National Yunlin University of Science and Technology No. 123 University Road Section 3 Douliou Yunlin 64002 Taiwan Department of Electrical Engineering National Yunlin University of Science and Technology No. 123 University Road Section 3 Douliou Yunlin 64002 Taiwan

In this paper, we get the arm gesture from Compass, Gyroscope and Ac- celerometer, and use fuzzy identification algorithm to analyze the arm gesture actions to control the formation of multiple mobile robots. The mobile robots move on a grid plane. The supervised computer determines the planning motion path of each mobile robot using the A*search algorithm with collision avoidance in consideration. In case of possible collision, robot with smaller ID code has higher priority to move. Five pattern formations are developed in our applications. The mobile robot contains a controller module, three IR sensor modules, a wireless RF module, and two DC servomotors. The mobile robot can detect signals from reective IR sensor module, decide the cross points of the aisle, receive the command from the supervised computer, and transmit the status of environment to the supervised computer via wireless RF interface. In the experimental results, we show that the mobile robots can receive the pattern formation command from the supervised computer, and then change the pattern formation on the motion platform without any collision. © 2014 ICIC International.

关键词： Mobile robots

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