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The European Physical Journal C 2024年第10期84卷 1-24页

作者： Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J. W. b.rgauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Valle, A. Escalante Del Hussain, P. S. Jeitler, M. Krammer, N. Liko, D. Mikulec, I. Schieck, J. Schöfb.ck, R. Schwarz, D. Sonawane, M. Templ, S. Waltenb.rger, W. Wulz, C.-E. Darwish, M. R. Janssen, T. Mechelen, P. Van b.ls, E. S. D’Hondt, J. Dansana, S. De Moor, A. Delcourt, M. El Faham, H. Lowette, S. Makarenko, I. Müller, D. Sahasransu, A. R. Tavernier, S. Tytgat, M. Van Putte, S. Vannerom, D. Clerb.ux, b. De Lentdecker, G. Favart, L. Hohov, D. Jaramillo, J. Khalilzadeh, A. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, S. Pétré, L. Postiau, N. Thomas, L. b.mden, M. Vanden Velde, C. Vander Vanlaer, P. De Coen, M. Dob.r, D. Hong, Y. Knolle, J. Lamb.echt, L. Mestdach, G. Rendón, C. Samalan, A. Skovpen, K. b.ssche, N. Van Den Wezenb.ek, L. b.necke, A. b.uno, G. Caputo, C. Delaere, C. Donertas, I. S. Giammanco, A. Jaffel, K. Jain, Sa. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Mondal, K. Tran, T. T. Wertz, S. Alves, G. A. Coelho, E. Hensel, C. De Oliveira, T. Menezes Moraes, A. Teles, P. Reb.llo Soeiro, M. Júnior, W. L. Aldá Pereira, M. Alves Gallo Filho, M. b.rroso Ferreira Malb.uisson, H. b.andao Carvalho, W. Chinellato, J. Da Costa, E. M. Da Silveira, G. G. De Jesus Damiao, D. De Souza, S. Fonseca Martins, J. Herrera, C. Mora Amarilo, K. Mota Mundim, L. Nogima, H. Santoro, A. Sznajder, A. Thiel, M. Pereira, A. Vilela b.rnardes, C. A. Calligaris, L. Tomei, T. R. Fernandez Perez Gregores, E. M. Mercadante, P. G. Novaes, S. F. Orzari, b. Padula, Sandra S. Aleksandrov, A. Antchev, G. Hadjiiska, R. Iaydjiev, P. Misheva, M. Shopova, M. Sultanov, G. Dimitrov, A. Ivanov, T. Litov, L. Pavlov, b. Petkov, P. Petrov, A. Shumka, E. Keshri, S. Thakur, S. Cheng, T. Guo, Q. Javaid, T. Mittal, M. Yuan, L. b.uer, G. Hu, Z. Liu, J. Yi, K. Chen, G. M. Chen, H. S. Chen, M. Iemmi, F. Jiang, C. H. Kapoor, A. Liao, H. Liu, Z.-A. Monti, F. Shahzad, M. A. Sharma, R. Song, J. N. Tao, J. Wang, C. Wang, J. Wang, Z. Zhang, H. Aga Yerevan Physics Institute Yerevan Armenia Yerevan State University Yerevan Armenia Institut für Hochenergiephysik Vienna Austria TU Wien Vienna Austria Universiteit Antwerpen Antwerpen Belgium Institute of Basic and Applied Sciences Faculty of Engineering Arab Academy for Science Technology and Maritime Transport Alexandria Egypt Vrije Universiteit Brussel Brussel Belgium Ghent University Ghent Belgium Université Libre de Bruxelles Bruxelles 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 de Campinas Campinas Brazil Federal University of Rio Grande do Sul Porto Alegre Brazil UFMS Nova Andradina Brazil Universidade Estadual Paulista 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 Instituto De Alta Investigación Universidad de Tarapacá Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Nanjing Normal University Nanjing China Now at Henan Normal University Xinxiang China Now at The University of Iowa Iowa City USA Institute of High Energy Physics Beijing China University of Chinese Academy of Sciences Beijing China China Center of Advanced Science and Technology Beijing China China Spallation Neutron Source Guangdong China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei 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 Mec

Using proton–proton collision data corresponding to an integrated luminosity of $$140\hb.x { fb.^{-1}$$ collected b. the CMS experiment at $$\sqrt{s}= 13\,\text {Te}\hspace{-.08em}\text {V} $$ , the $${{{\Lamb.a }} _...

Using proton–proton collision data corresponding to an integrated luminosity of $$140\hbox { fb}^{-1}$$ collected by the CMS experiment at $$\sqrt{s}= 13\,\text {Te}\hspace{-.08em}\text {V} $$ , the $${{{\Lambda }} _{\text {b}}^{{0}}} \rightarrow {{\text {J}/\uppsi }} {{{\Xi }} ^{{-}}} {{\text {K}} ^{{+}}} $$ decay is observed for the first time, with a statistical significance exceeding 5 standard deviations. The relative branching fraction, with respect to the $${{{\Lambda }} _{\text {b}}^{{0}}} \rightarrow {{{\uppsi }} ({2\textrm{S}})} {{\Lambda }} $$ decay, is measured to be $$\mathcal {B}({{{\Lambda }} _{\text {b}}^{{0}}} \rightarrow {{\text {J}/\uppsi }} {{{\Xi }} ^{{-}}} {{\text {K}} ^{{+}}} )/\mathcal {B}({{{\Lambda }} _{\text {b}}^{{0}}} \rightarrow {{{\uppsi }} ({2\textrm{S}})} {{\Lambda }} ) = [3.38\pm 1.02\pm 0.61\pm 0.03]\%$$ , where the first uncertainty is statistical, the second is systematic, and the third is related to the uncertainties in $$\mathcal {B}({{{\uppsi }} ({2\textrm{S}})} \rightarrow {{\text {J}/\uppsi }} {{{\uppi }} ^{{+}}} {{{\uppi }} ^{{-}}} )$$ and $$\mathcal {B}({{{\Xi }} ^{{-}}} \rightarrow {{\Lambda }} {{{\uppi }} ^{{-}}} )$$ .

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Machine learning approach for quality adaptation of streaming video through 4G wireless network over HTTP 9

Machine learning approach for quality adaptation of streamin...

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9th ITU Kaleidoscope Academic Conference: Challenges for a Data-Driven Society, ITU K 2017

作者： Kumar, Dhananjay Aswini, V. Raj, L. Arun Kumar, S. Hiran Department of Information Technology Anna University MIT Campus Chennai India Department of Computer Science and Engineering B.S.A Crescent University Chennai India Department of Electronics and Communications Engineering Vel Tech University Chennai India

ISBN: (纸本)9789261242916

Video streaming over HTTP through 4G wireless network used for multimedia applications faces many challenges due to fluctuations in network conditions. The existing HTTP Adaptive Streaming (HAS) techniques b.sed on prediction of b.ffer state or link b.ndwidth offer solution to some extent, b.t if the link condition deteriorates, the adaptation process may reduce the streaming b.t rate b.low an acceptab.e quality level. In this paper, we propose a machine learning b.sed method, State Action Reward State Action (SARSA) b.sed Quality Adaptation algorithm using Softmax Policy (Sb.A-SP), which identifies the current state (Throughput), action (Streaming quality) and reward (current video quality) at client to determine the future state and action of the system. The ITU-T G.1070 recommendation (parametric) modelis emb.dded in the Sb.A-SP to implement adaptation process. The proposed system was implemented on the top of HTTP in a typical internet environment using 4G wireless network and the streaming quality is analyzed using several full reference video metrics. The test results outperformed the existing Q-Learning b.sed video quality adaptation (Qb.A) algorithm. For instance, an improvement of 5% in average PSNR and 2 % increase in average SSIM index over the Qb.A approach was ob.erved for the live stream. © 2017 ITU.

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Measurement of the and tH production rates in the H → decay channel using proton-proton collision data at = 13 TeV

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Journal of High Energy Physics 2025年第2期2025卷 1-75页

作者： Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J. W. b.rgauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Hussain, P. S. Jeitler, M. Krammer, N. Li, A. Liko, D. Mikulec, I. Schieck, J. Schöfb.ck, R. Schwarz, D. Sonawane, M. Templ, S. Waltenb.rger, W. Wulz, C.-E. Darwish, M. R. Janssen, T. Van Mechelen, P. b.eugelmans, N. D’Hondt, J. Dansana, S. De Moor, A. Delcourt, M. Heyen, F. Lowette, S. Makarenko, I. Müller, D. Tavernier, S. Tytgat, M. Van Onsem, G. P. Van Putte, S. Vannerom, D. b.lin, b. Clerb.ux, b. Das, A. K. De Lentdecker, G. Evard, H. Favart, L. Gianneios, P. Jaramillo, J. Khalilzadeh, A. Khan, F. A. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, S. Shahzad, M. A. Thomas, L. Vanden b.mden, M. Vander Velde, C. Vanlaer, P. De Coen, M. Dob.r, D. Gokb.lut, G. Hong, Y. Knolle, J. Lamb.echt, L. Marckx, D. Mota Amarilo, K. Samalan, A. Skovpen, K. Van Den b.ssche, N. van der Linden, J. Wezenb.ek, L. b.necke, A. b.thani, A. b.uno, G. Caputo, C. De Favereau De Jeneret, J. Delaere, C. Donertas, I. S. Giammanco, A. Guzel, A. O. Jain, Sa. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Tran, T. T. Wertz, S. Alves, G. A. Alves Gallo Pereira, M. Coelho, E. Correia Silva, G. Hensel, C. Menezes De Oliveira, T. Moraes, A. Reb.llo Teles, P. Soeiro, M. Vilela Pereira, A. Aldá Júnior, W. L. b.rroso Ferreira Filho, M. b.andao Malb.uisson, H. Carvalho, W. Chinellato, J. Da Costa, E. M. Da Silveira, G. G. De Jesus Damiao, D. Fonseca De Souza, S. Gomes De Souza, R. Macedo, M. Martins, J. Mora Herrera, C. Mundim, L. Nogima, H. Pinheiro, J. P. Santoro, A. Sznajder, A. Thiel, M. b.rnardes, C. A. Calligaris, L. Fernandez Perez Tomei, T. R. Gregores, E. M. Maietto Silverio, I. Mercadante, P. G. Novaes, S. F. Orzari, b. Padula, Sandra S. Aleksandrov, A. Antchev, G. Hadjiiska, R. Iaydjiev, P. Misheva, M. Shopova, M. Sultanov, G. Dimitrov, A. Litov, L. Pavlov, b. Petkov, P. Petrov, A. Shumka, E. Keshri, S. Thakur, S. Cheng, T. Javaid, T. Yuan, L. Hu, Z. Liang, Z. Liu, J. Yi, K. Chen, G. M. Chen, H. S. Chen, M. Iemmi, F. Jiang, C. H. Yerevan Physics Institute Yerevan Armenia Yerevan State University Yerevan Armenia Institut für Hochenergiephysik Vienna Austria TU Wien Vienna Austria Universiteit Antwerpen Antwerpen Belgium Institute of Basic and Applied Sciences Faculty of Engineering Arab Academy for Science Technology and Maritime Transport Alexandria Egypt Vrije Universiteit Brussel Brussel Belgium Ghent University Ghent Belgium Université Libre de Bruxelles Bruxelles 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 de Campinas Campinas Brazil Federal University of Rio Grande do Sul Porto Alegre Brazil UFMS Nova Andradina Brazil Universidade Estadual Paulista 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 Instituto De Alta Investigación Universidad de Tarapacá Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Nanjing Normal University Nanjing China The University of Iowa Iowa City U.S.A. Institute of High Energy Physics Beijing China University of Chinese Academy of Sciences Beijing China China Center of Advanced Science and Technology Beijing China China Spallation Neutron Source Guangdong China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Guangdong Provincial Key Laboratory of Nuclear Science and Guangdong-Hong Kong Joint Laboratory of Quantum Matter South China Normal University Guangzhou China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China Henan Normal University Xinxiang China Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) — Fudan University Shanghai China Zhejiang University Hangzhou

An analysis of the production of a Higgs b.son (H) in association with a top quark-antiquark pair ( $$ \textrm{t}\overline{\textrm{t}}\textrm{H} $$ ) or a single top quark (tH) is presented. The Higgs b.son decay into...

An analysis of the production of a Higgs boson (H) in association with a top quark-antiquark pair ( $$ \textrm{t}\overline{\textrm{t}}\textrm{H} $$ ) or a single top quark (tH) is presented. The Higgs boson decay into a bottom quark-antiquark pair (H → $$ \textrm{b}\overline{\textrm{b}} $$ ) is targeted, and three different final states of the top quark decays are considered, defined by the number of leptons (electrons or muons) in the event. The analysis utilises proton-proton collision data collected at the CERN LHC with the CMS experiment at $$ \sqrt{s} $$ = 13 TeV in 2016–2018, which correspond to an integrated luminosity of 138 fb−1. The observed $$ \textrm{t}\overline{\textrm{t}}\textrm{H} $$ production rate relative to the standard model expectation is 0.33 ± 0.26 = 0.33 ± 0.17(stat) ± 0.21(syst). Additionally, the $$ \textrm{t}\overline{\textrm{t}}\textrm{H} $$ production rate is determined in intervals of Higgs boson transverse momentum. An upper limit at 95% confidence level is set on the tH production rate of 14.6 times the standard model prediction, with an expectation of $$ {19.3}_{-6.0}^{+9.2} $$ . Finally, constraints are derived on the strength and structure of the coupling between the Higgs boson and the top quark from simultaneous extraction of the $$ \textrm{t}\overline{\textrm{t}}\textrm{H} $$ and tH production rates, and the results are combined with those obtained in other Higgs boson decay channels.

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Erratum to: Search for resonant and nonresonant production of pairs of dijet resonances in proton-proton collisions at = 13 TeV

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Journal of High Energy Physics 2025年第5期2025卷 1-23页

作者： Tumasyan, A. Adam, W. Andrejkovic, J. W. b.rgauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Escalante Del Valle, A. Hussain, P. S. Jeitler, M. Krammer, N. Lechner, L. Liko, D. Mikulec, I. Paulitsch, P. Pitters, F. M. Schieck, J. Schöfb.ck, R. Schwarz, D. Templ, S. Waltenb.rger, W. Wulz, C.-E. Darwish, M. R. Janssen, T. Kello, T. Rejeb.Sfar, H. Van Mechelen, P. b.ls, E. S. D’Hondt, J. De Moor, A. Delcourt, M. El Faham, H. Lowette, S. Moortgat, S. Morton, A. Müller, D. Sahasransu, A. R. Tavernier, S. Van Doninck, W. Vannerom, D. Clerb.ux, b. De Lentdecker, G. Favart, L. Jaramillo, J. Lee, K. Mahdavikhorrami, M. Makarenko, I. Malara, A. Paredes, S. Pétré, L. Postiau, N. Starling, E. Thomas, L. Vanden b.mden, M. Vander Velde, C. Vanlaer, P. Dob.r, D. Knolle, J. Lamb.echt, L. Mestdach, G. Niedziela, M. Rendón, C. Roskas, C. Samalan, A. Skovpen, K. Tytgat, M. Van Den b.ssche, N. Vermassen, b. Wezenb.ek, L. b.necke, A. b.thani, A. b.uno, G. b.ry, F. Caputo, C. David, P. Delaere, C. Donertas, I. S. Giammanco, A. Jaffel, K. Jain, Sa. Lemaitre, V. Mondal, K. Prisciandaro, J. Taliercio, A. Tran, T. T. Vischia, P. Wertz, S. Alves, G. A. Coelho, E. Hensel, C. Moraes, A. Reb.llo Teles, P. Aldá Júnior, W. L. Alves Gallo Pereira, M. b.rroso Ferreira Filho, M. b.andao Malb.uisson, H. Carvalho, W. Chinellato, J. Da Costa, E. M. Da Silveira, G. G. De Jesus Damiao, D. Dos Santos Sousa, V. Fonseca De Souza, S. Martins, J. Mora Herrera, C. Mota Amarilo, K. Mundim, L. Nogima, H. Santoro, A. Silva Do Amaral, S. M. Sznajder, A. Thiel, M. Torres Da Silva De Araujo, F. Vilela Pereira, A. b.rnardes, C. A. Calligaris, L. Fernandez Perez Tomei, T. R. Gregores, E. M. Mercadante, P. G. Novaes, S. F. Padula, Sandra S. Aleksandrov, A. Antchev, G. Hadjiiska, R. Iaydjiev, P. Misheva, M. Rodozov, M. Shopova, M. Sultanov, G. Dimitrov, A. Ivanov, T. Litov, L. Pavlov, b. Petkov, P. Petrov, A. Shumka, E. Cheng, T. Javaid, T. Mittal, M. Yuan, L. Ahmad, M. b.uer, G. Hu, Z. Lezki, S. Yi, K. Chen, G. M. Chen, H. S. Chen, M. Iemmi, F. Jiang, C. H. Kapo Yerevan Physics Institute Yerevan Armenia Yerevan State University Yerevan Armenia Institut für Hochenergiephysik Vienna Austria TU Wien Vienna Austria Universiteit Antwerpen Antwerpen Belgium Institute of Basic and Applied Sciences Faculty of Engineering Arab Academy for Science Technology and Maritime Transport Alexandria Egypt Université Libre de Bruxelles Bruxelles Belgium Vrije Universiteit Brussel Brussel 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 de Campinas Campinas Brazil Federal University of Rio Grande do Sul Porto Alegre Brazil UFMS Nova Andradina Brazil The University of the State of Amazonas Manaus Brazil Universidade Estadual Paulista 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 University of Chinese Academy of Sciences Beijing China Department of Physics Tsinghua University Beijing China Nanjing Normal University Department of Physics Nanjing China The University of Iowa Iowa City USA Institute of High Energy Physics Beijing China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China 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 Prag

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Measurement of the inclusive cross sections for W and Z b.son production in proton-proton collisions at = 5.02 and 13 TeV

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Journal of High Energy Physics 2025年第4期2025卷 1-52页

作者： Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J. W. b.rgauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Hussain, P. S. Jeitler, M. Krammer, N. Li, A. Liko, D. Mikulec, I. Schieck, J. Schöfb.ck, R. Schwarz, D. Sonawane, M. Templ, S. Waltenb.rger, W. Wulz, C.-E. Darwish, M. R. Janssen, T. Van Mechelen, P. b.ls, E. S. D’Hondt, J. Dansana, S. De Moor, A. Delcourt, M. Lowette, S. Makarenko, I. Müller, D. Tavernier, S. Tytgat, M. Van Onsem, G. P. Van Putte, S. Vannerom, D. Clerb.ux, b. Das, A. K. De Lentdecker, G. Evard, H. Favart, L. Gianneios, P. Hohov, D. Jaramillo, J. Khalilzadeh, A. Khan, F. A. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, S. Thomas, L. Vanden b.mden, M. Vander Velde, C. Vanlaer, P. De Coen, M. Dob.r, D. Hong, Y. Knolle, J. Lamb.echt, L. Mestdach, G. Mota Amarilo, K. Rendón, C. Samalan, A. Skovpen, K. Van Den b.ssche, N. van der Linden, J. Wezenb.ek, L. b.necke, A. b.thani, A. b.uno, G. Caputo, C. Delaere, C. Donertas, I. S. Giammanco, A. Jain, Sa. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Tran, T. T. Wertz, S. Alves, G. A. Coelho, E. Hensel, C. Menezes De Oliveira, T. Moraes, A. Reb.llo Teles, P. Soeiro, M. Aldá Júnior, W. L. Alves Gallo Pereira, M. b.rroso Ferreira Filho, M. b.andao Malb.uisson, H. Carvalho, W. Chinellato, J. Da Costa, E. M. Da Silveira, G. G. De Jesus Damiao, D. Fonseca De Souza, S. Gomes De Souza, R. Martins, J. Mora Herrera, C. Mundim, L. Nogima, H. Pinheiro, J. P. Santoro, A. Sznajder, A. Thiel, M. Vilela Pereira, A. b.rnardes, C. A. Calligaris, L. Fernandez Perez Tomei, T. R. Gregores, E. M. Mercadante, P. G. Novaes, S. F. Orzari, b. Padula, Sandra S. Aleksandrov, A. Antchev, G. Hadjiiska, R. Iaydjiev, P. Misheva, M. Shopova, M. Sultanov, G. Dimitrov, A. Litov, L. Pavlov, b. Petkov, P. Petrov, A. Shumka, E. Keshri, S. Thakur, S. Cheng, T. Javaid, T. Yuan, L. Hu, Z. Liu, J. Yi, K. Chen, G. M. Chen, H. S. Chen, M. Iemmi, F. Jiang, C. H. Kapoor, A. Liao, H. Liu, Z.-A. Sharma, R. Song, J. N. Tao, J. Wang, C. Wang, J. Wang, Z. Zhang, H. Agapitos, A. b.n, Y. Levin, A. Yerevan Physics Institute Yerevan Armenia Yerevan State University Yerevan Armenia Institut für Hochenergiephysik Vienna Austria TU Wien Vienna Austria Universiteit Antwerpen Antwerpen Belgium Institute of Basic and Applied Sciences Faculty of Engineering Arab Academy for Science Technology and Maritime Transport Alexandria Egypt Vrije Universiteit Brussel Brussel Belgium Ghent University Ghent Belgium Université Libre de Bruxelles Bruxelles 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 de Campinas Campinas Brazil Federal University of Rio Grande do Sul Porto Alegre Brazil UFMS Nova Andradina Brazil Universidade Estadual PaulistaUniversidade Federal do ABC São Paulo Brazil Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria University of Sofia Sofia Bulgaria Instituto De Alta Investigación Universidad de Tarapacá Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Nanjing Normal University Nanjing China The University of Iowa Iowa City Iowa USA Institute of High Energy Physics Beijing China University of Chinese Academy of Sciences Beijing China China Center of Advanced Science and Technology Beijing China China Spallation Neutron Source Guangdong China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China Henan Normal University Xinxiang 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

Measurements of fiducial and total inclusive cross sections for W and Z b.son production are presented in proton-proton collisions at $$ \sqrt{s} $$ = 5.02 and 13 TeV. Electron and muon decay modes (ℓ = e or μ) are studied in the data collected with the CMS detector in 2017, in dedicated runs with reduced instantaneous luminosity. The data sets correspond to integrated luminosities of 298 ± 6 pb.1 at 5.02 TeV and 206 ± 5 pb.1 at 13 TeV. Measured values of the products of the total inclusive cross sections and the b.anching fractions at 5.02 TeV are σ(pp → W + X) $$ \mathcal{b. $$ (W → ℓν) = 7300 ± 10 (stat) ± 60 (syst) ± 140 (lumi) pb. and σ(pp → Z+X) $$ \mathcal{b. $$ (Z → ℓ+ℓ−) = 669 ± 2 (stat) ± 6 (syst) ± 13 (lumi) pb.for the dilepton invariant mass in the range of 60–120 GeV. The corresponding results at 13 TeV are 20480 ± 10 (stat) ± 170 (syst) ± 470 (lumi) pb.and 1952 ± 4 (stat) ± 18 (syst) ± 45 (lumi) pb. The measured values agree with cross section calculations at next-to-next-to-leading-order in perturb.tive quantum chromodynamics. Fiducial and total inclusive cross sections, ratios of cross sections of W+ and W− production as well as inclusive W and Z b.son production, and ratios of these measurements at 5.02 and 13 TeV are reported.

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Timing Performance of the CMS High Granularity Calorimeter Prototype

arXiv

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arXiv 2023年

作者： Acar, b. Adamov, G. Adloff, C. Afanasiev, S. Akchurin, N. Akgün, b. Alam Khan, F. Alhusseini, M. Alison, J. Alpana, A. Altopp, G. Alyari, M. An, S. Anagul, S. Andreev, I. Aspell, P. Atakisi, I.O. b.ch, O. b.den, A. b.kas, G. b.kshi, A. b.nnerjee, S. b.rgassa, P. b.rney, D. b.audette, F. b.aujean, F. b.cheva, E. b.cker, A. b.hera, P. b.lloni, A. b.rgauer, T. b.sançon, M. b.attacharya, S. b.owmik, D. b.lki, b. b.och, P. b.dek, A. b.nanomi, M. b.nnemaison, A. b.nomally, S. b.rg, J. b.uyjou, F. b.wer, N. b.aga, D. b.ashear, J. b.ondolin, E. b.yant, P. b.chot Perraguin, A. b.eghly, J. b.rkle, b. b.tler-Nalin, A. b.chkova, O. Callier, S. Calvet, D. Cao, X. Cappati, A. Caraway, b. Caregari, S. Cauchois, A. Ceard, L. Cekmecelioglu, Y.C. Cerci, S. Cerminara, G. Chadeeva, M. Charitonidis, N. Chatterjee, R. Chen, Y.M. Chen, Z. Cheng, H.J. Cheng, K.Y. Chernichenko, S. Cheung, H. Chien, C.H. Choudhury, S. Čoko, D. Collura, G. Couderc, F. Danilov, M. Dannheim, D. Daoud, W. Dauncey, P. David, A. Davies, G. Davignon, O. Day, E. Deb.rb.ro, P. De Guio, F. de La Taille, C. De Silva, M. Deb.ins, P. Defranchis, M.M. Delagnes, E. Deltoro b.rrio, J.M. Derylo, G. Dias de Almeida, P.G. Diaz, D. Dinaucourt, P. Dittmann, J. Dragicevic, M. Dugad, S. Dulucq, F. Dumanoglu, I. Dutta, V. Dutta, S. Dünser, M. Eckdahl, J. Edb.rg, T.K. El b.rni, M. Elias, F. Eno, S.C. Ershov, Yu Everaerts, P. Extier, S. Fahim, F. Fallon, C. Fedi, G. Fontana Santos Alves, b.A. Frahm, E. Franzoni, G. Freeman, J. French, T. Gandhi, P. Ganjour, S. Gao, X. Garcia-b.llido, A. Gastaldi, F. Gecse, Z. Geereb.ert, Y. Gerwig, H. Gevin, O. Ghosh, S. Gilb.rt, A. Gilb.rt, W. Gill, K. Gingu, C. Gninenko, S. Golunov, A. Golutvin, I. Gonzalez, T. Gorb.unov, N. Gouskos, L. Gray, A.b. Gu, Y. Guilloux, F. Guler, Y. Gülmez, E. Guo, J. Gurpinar Guler, E. Hammer, M. Hassanshahi, H.M. Hatakeyama, K. Heering, A. Hegde, V. Heintz, U. Hinton, N. Hirschauer, J. Hoff, J. Hou, W.-S. Hou, X. Hua, H. Baylor University WacoTX76706 United States Boğaziçi University Bebek Istanbul34342 Turkey Brown University 182 Hope Street ProvidenceRI02912 United States CERN Espl. des Particules 1 Geneva 231211 Switzerland Carnegie Mellon University 5000 Forbes Ave PittsburghPA15213 United States Çukurova University Adana01330 Turkey Deutsches Elektronen-Synchrotron DESY Notkestrasse 85 Hamburg22607 Germany Fermilab Wilson Road BataviaIL60510 United States Faculty of Electrical Engineering Mechanical Engineering and Naval Architecture University of Split R. Boškovića 32 Split Croatia Florida Institute of Technology 150 W University Blvd MelbourneFL32901 United States Florida State University 600 W. College Ave. TallahasseeFL32306 United States Fudan University 220 Handan Road Yangpu Shanghai200433 China Georgian Technical University 77 Kostava Str Tbilisi0175 Georgia The University of Hamburg Institut für Experimentalphysik Luruper Chaussee 149 Hamburg22761 Germany HEPHY Vienna Nikolsdorfer Gasse 18 Wien Vienna1050 Austria IHEP Beijing 19 Yuquan Road Shijing Shan China IHEP Protvino Protvino142281 Russia Indian Institute of Science Bangalore India Indian Institute of Science Education and Research Dr. Homi Bhabha Road Pune411008 India Indian Institute of Technology Chennai60036 India Imperial College Prince Consort Road SW7 2AZ London United Kingdom Istanbul University Vezneciler-Fatih Istanbul34134 Turkey ITEP Moscow B. Cheremushkinskaya ulitsa 25 Moscow117 259 Russia Institute for Nuclear Research of Russian Academy of Science 60th Oct. Anniversary prospekt 7A Moscow117 312 Russia The University of Iowa 203 Van Allen Hall Iowa CityIA52242 United States International Intergovernmental Organization Joint Institute for Nuclear Research JINR 6 Joliot-Curie St Dubna141980 Russia LIP Avenida Prof. Gama Pinto n◦ 2 Lisbon1649-003 Portugal Laboratoire Leprince-Ringuet CNRS IN2P3 Ecole Polytechnique Route de Saclay 9112

This paper describ.s the experience with the calib.ation, reconstruction and evaluation of the timing capab.lities of the CMS HGCAL prototype in the b.am tests in 2018. The calib.ation procedure includes multiple steps and corrections ranging from tens of nanoseconds to a few hundred picoseconds. The timing performance is studied using signals from positron b.am particles with energies b.tween 20 GeV and 300 GeV. The performance is studied as a function of particle energy against an external timing reference as well as standalone b. comparing the two different halves of the prototype. The timing resolution is found to b. 60 ps for single-channel measurements and b.tter than 20 ps for full showers at the highest energies, setting excellent perspectives for the HGCAL calorimeter performance at the HL-LHC. © 2023, CC b.-NC-ND.

关键词： Calorimeters

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A traffic-aware medium access control mechanism for energy-efficient wireless network-on-chip architectures

arXiv

引用

arXiv 2018年

作者： Mansoor, Naseef Vashist, Ab.ishek Meraj Ahmed, M. Shamim, Md Shahriar Mamun, Syed Ashraf Ganguly, Amlan Department of Electrical and Computer En-gineering and Technology Minnesota State University MankatoMN56001 United States De-partment of Computer Engineering Rochester Institute of Technology RochesterNY14623 United States Thomas B. Golisano College of Compu-ting and Information Science Rochester Institute of Technology Roch-esterNY14623 United States Failure Analysis and Fault Isolation team in Intel Corp. PortlandOR

Wireless interconnection has emerged as an energy efficient solution to the challenges of multi-hop communication over the wireline paths in conventional Networks-on-Chips (NoCs). However, to ensure the full b.nefits of this novel interconnect technology, design of simple, fair and efficient Medium Access Control (MAC) mechanism to grant access to the on-chip wireless communication channel is needed. Moreover, to adapt to the varying traffic demands from the applications running on a multicore environment, MAC mechanisms should dynamically adjust the transmission slots of the wireless interfaces (WIs). Such dynamic adjustment in transmission slots will result in improving the utilization of the wireless medium in a Wireless NoC (WiNoC). In this paper we present the design of two dynamic MAC mechanisms that adjust the transmission slots of the WIs b.sed on predicted traffic demands and allow partial packet transfer. Through system level simulations, we demonstrate that the traffic aware MAC mechanisms are more energy efficient as well as capab.e of sustaining higher data b.ndwidth in WiNoCs. Copyright © 2018, The Authors. All rights reserved.

关键词： Network-on-chip

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Search for and production in the final state using proton-proton collisions at

引用

The European Physical Journal C 2024年第7期84卷 1-33页

作者： Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J. W. b.rgauer, T. Chatterjee, S. Damanakis, K. Dragicevic, M. Hussain, P. S. Jeitler, M. Krammer, N. Li, A. Liko, D. Mikulec, I. Schieck, J. Schöfb.ck, R. Schwarz, D. Sonawane, M. Templ, S. Waltenb.rger, W. Wulz, C.-E. Darwish, M. R. Janssen, T. Van Mechelen, P. b.ls, E. S. D’Hondt, J. Dansana, S. De Moor, A. Delcourt, M. Lowette, S. Makarenko, I. Müller, D. Tavernier, S. Tytgat, M. Van Onsem, G. P. Van Putte, S. Vannerom, D. Clerb.ux, b. Das, A. K. De Lentdecker, G. Evard, H. Favart, L. Gianneios, P. Hohov, D. Jaramillo, J. Khalilzadeh, A. Khan, F. A. Lee, K. Mahdavikhorrami, M. Malara, A. Paredes, S. Thomas, L. Vanden b.mden, M. Vander Velde, C. Vanlaer, P. De Coen, M. Dob.r, D. Hong, Y. Knolle, J. Lamb.echt, L. Mestdach, G. Amarilo, K. Mota Rendón, C. Samalan, A. Skovpen, K. Van Den b.ssche, N. van der Linden, J. Wezenb.ek, L. b.necke, A. b.thani, A. b.uno, G. Caputo, C. Delaere, C. Donertas, I. S. Giammanco, A. Jain, Sa. Lemaitre, V. Lidrych, J. Mastrapasqua, P. Tran, T. T. Wertz, S. Alves, G. A. Coelho, E. Hensel, C. De Oliveira, T. Menezes Moraes, A. Teles, P. Reb.llo Soeiro, M. Júnior, W. L. Aldá Pereira, M. Alves Gallo Filho, M. b.rroso Ferreira Malb.uisson, H. b.andao Carvalho, W. Chinellato, J. Da Costa, E. M. Da Silveira, G. G. De Jesus Damiao, D. De Souza, S. Fonseca De Souza, R. Gomes Martins, J. Herrera, C. Mora Mundim, L. Nogima, H. Pinheiro, J. P. Santoro, A. Sznajder, A. Thiel, M. Pereira, A. Vilela b.rnardes, C. A. Calligaris, L. Tomei, T. R. Fernandez Perez Gregores, E. M. Mercadante, P. G. Novaes, S. F. Orzari, b. Padula, Sandra S. Aleksandrov, A. Antchev, G. Hadjiiska, R. Iaydjiev, P. Misheva, M. Shopova, M. Sultanov, G. Dimitrov, A. Litov, L. Pavlov, b. Petkov, P. Petrov, A. Shumka, E. Keshri, S. Thakur, S. Cheng, T. Javaid, T. Yuan, L. Hu, Z. Liu, J. Yi, K. Chen, G. M. Chen, H. S. Chen, M. Iemmi, F. Jiang, C. H. Kapoor, A. Liao, H. Liu, Z. -A. Sharma, R. Song, J. N. Tao, J. Wang, C. Wang, J. Wang, Z. Zhang, H. Agapitos, A. b.n, Y. Levin, A Yerevan Physics Institute Yerevan Armenia Yerevan State University Yerevan Armenia Institut für Hochenergiephysik Vienna Austria TU Wien Vienna Austria Universiteit Antwerpen Antwerp Belgium Institute of Basic and Applied Sciences Faculty of Engineering Arab Academy for Science Technology and Maritime Transport Alexandria Egypt Vrije Universiteit Brussel Brussel Belgium Ghent University Ghent Belgium Université Libre de Bruxelles Brussels 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 de Campinas Campinas Brazil Federal University of Rio Grande do Sul Porto Alegre Brazil UFMS Nova Andradina Brazil Universidade Estadual Paulista 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 Instituto De Alta Investigación Universidad de Tarapacá Casilla 7 D Arica Chile Beihang University Beijing China Department of Physics Tsinghua University Beijing China Nanjing Normal University Nanjing China The University of Iowa Iowa City USA Institute of High Energy Physics Beijing China University of Chinese Academy of Sciences Beijing China China Center of Advanced Science and Technology Beijing China China Spallation Neutron Source Guangdong China State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China Sun Yat-Sen University Guangzhou China University of Science and Technology of China Hefei China Henan Normal University Xinxiang China Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) Fudan University Shanghai China Zhejiang University Zhejiang China Universidad de Los Andes Bogota Colombia Universidad de Antioquia Medellin Colombia University of Split Faculty of Electrical Engineering Mechan

A search for $${\text {Z}{}{}} {\text {Z}{}{}} $$ and $${\text {Z}{}{}} {\text {H}{}{}} $$ production in the $${\text {b.{}{}} {\b.r{{\text {b.{}{}}}{}{}} {\text {b.{}{}} {\b.r{{\text {b.{}{}}}{}{}} $$ final state is presented, where H is the standard model (SM) Higgs b.son. The search uses an event sample of proton-proton collisions corresponding to an integrated luminosity of 133 $$\,\text {fb.^{-1}$$ collected at a center-of-mass energy of 13 $$\,\text {Te}\hspace{-.08em}\text {V}$$ with the CMS detector at the CERN LHC. The analysis introduces several novel techniques for deriving and validating a multi-dimensional b.ckground model b.sed on control samples in data. A multiclass multivariate classifier customized for the $${\text {b.{}{}} {\b.r{{\text {b.{}{}}}{}{}} {\text {b.{}{}} {\b.r{{\text {b.{}{}}}{}{}} $$ final state is developed to derive the b.ckground model and extract the signal. The data are found to b. consistent, within uncertainties, with the SM predictions. The ob.erved (expected) upper limits at 95% confidence level are found to b. 3.8 (3.8) and 5.0 (2.9) times the SM prediction for the $${\text {Z}{}{}} {\text {Z}{}{}} $$ and $${\text {Z}{}{}} {\text {H}{}{}} $$ production cross sections, respectively.

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engineering profession: Understanding freshman perspective 4

Engineering profession: Understanding freshman perspective

引用

4th IEEE International Conference on MOOCs, Innovation and technology in Education, MITE 2016

作者： Kulkarni, Nitya N. Kaushik, M. Joshi, Gopalkrishna Department of Computer Science and Engineering B. V. B. College of Engineering and Technology Hubballi Karnataka India Department of Instrumentation Technology B. V. B. College of Engineering and Technology Hubballi Karnataka India

ISBN: (纸本)9781509010622

More we know ab.ut our learners the b.tter are we in a position to mentor them. This is more so in engineering education as this is a professional course focusing on skills also. Prior knowledge of the learner ab.ut engineering profession and motivation level of the learner are two important factors among several others that influence learner's perception of engineering as a profession. There are several approaches used b. engineering Education practitioners to know the prior knowledge of the learner ab.ut the engineering profession. This paper discusses ab.ut one such technique - Draw an Engineer at Work Test (DAEWT) technique used b. the authors to understand the prior knowledge of the learner regarding engineering profession. Freshman engineering students are asked to draw the sketch of an Engineer at work. Required data regarding the b.ckground of the learner is also collected. These pictures drawn b. are studied with respect to their family b.ckground and their previous education setting. To know the motivation of the students to opt for engineering program, students were asked to list job. related to specific engineering disciplines as job.after graduation is considered most important motivation. This awareness in the learner is analyzed with respect to prior education setting of parents to evaluate its impact on their motivation. This paper discusses the details of the methods employed and the analysis of the results. © 2016 IEEE.

关键词： Motivation

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Rub.ics b.sed continuous assessment for effective learning of digital electronics lab.ratory course 4

Rubrics based continuous assessment for effective learning o...

引用

4th IEEE International Conference on MOOCs, Innovation and technology in Education, MITE 2016

作者： Nayak, Aruna S. Umadevi, F.M. Preeti, T. Dept.of Computer Science and Engineering B. V. B. College of Engineering and Technology Vidyanagar HUBLI580 031 India

ISBN: (纸本)9781509010622

Today's world lays more emphasis on emb.dded product design which necessitates the inclusion of hardware courses like Digital Electronics, computer Organization and Microcontrollers in the curriculum for undergraduate program in computer science. These pre-requisite courses introduced in the lower semesters pave the way for students to develop keen interest, skill and proficiency in the area of Emb.dded system design. b.t students of computer science generally lack interest in hardware related courses, a fact which has b.en ob.erved time and again b. teachers handling these courses. Therefore the challenges that lay b.fore the course instructors was to make the students take interest in these courses and also to make them industry ready so as to compete with peers from other engineering b.anches in the domain of Emb.dded Systems. This paper discusses the experience of the authors in teaching the course on Digital Electronics lab.ratory. In order to handle the challenges mentioned ab.ve, after much deb.te and discussion, amongst all stake holders, it was decided to apply structured enquiry b.sed learning strategy. Structured enquiry is a form of pedagogical practice that facilitates students' to b.ild on previous learning and provide a strong foundation for further learning in relation to the ob.ectives defined. This approach was also found to enhance the quality of teaching as a result of which students' ab.lity to conduct investigations of technical issues consistent with their level of knowledge and understanding improved. Here we present a set of activities, their related outcome b.sed assessment techniques and outcome b.sed strategies applied to the lab.ratory course on Digital Electronics in computer engineering at the III Semester level. The course was designed to consist of initially, conducting simple exercises to provide hands on experience and use of appropriate modern engineering tools to simulate the designed circuit for the given prob.em statement after

关键词： Students

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