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Institution

Sofia University

EducationSofia, Bulgaria
About: Sofia University is a education organization based out in Sofia, Bulgaria. It is known for research contribution in the topics: Large Hadron Collider & Standard Model. The organization has 8533 authors who have published 15730 publications receiving 306320 citations. The organization is also known as: University of Sofia & BFUS.


Papers
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Journal ArticleDOI
TL;DR: In this paper, results from searches for the standard model Higgs boson in proton-proton collisions at 7 and 8 TeV in the CMS experiment at the LHC, using data samples corresponding to integrated luminosities of up to 5.8 standard deviations.

8,857 citations

Journal ArticleDOI
TL;DR: The Compact Muon Solenoid (CMS) detector at the Large Hadron Collider (LHC) at CERN as mentioned in this paper was designed to study proton-proton (and lead-lead) collisions at a centre-of-mass energy of 14 TeV (5.5 TeV nucleon-nucleon) and at luminosities up to 10(34)cm(-2)s(-1)
Abstract: The Compact Muon Solenoid (CMS) detector is described. The detector operates at the Large Hadron Collider (LHC) at CERN. It was conceived to study proton-proton (and lead-lead) collisions at a centre-of-mass energy of 14 TeV (5.5 TeV nucleon-nucleon) and at luminosities up to 10(34)cm(-2)s(-1) (10(27)cm(-2)s(-1)). At the core of the CMS detector sits a high-magnetic-field and large-bore superconducting solenoid surrounding an all-silicon pixel and strip tracker, a lead-tungstate scintillating-crystals electromagnetic calorimeter, and a brass-scintillator sampling hadron calorimeter. The iron yoke of the flux-return is instrumented with four stations of muon detectors covering most of the 4 pi solid angle. Forward sampling calorimeters extend the pseudo-rapidity coverage to high values (vertical bar eta vertical bar <= 5) assuring very good hermeticity. The overall dimensions of the CMS detector are a length of 21.6 m, a diameter of 14.6 m and a total weight of 12500 t.

5,193 citations

Journal ArticleDOI
Sandra Díaz1, Sebsebe Demissew2, Julia Carabias3, Carlos Alfredo Joly4, Mark Lonsdale, Neville Ash5, Anne Larigauderie, Jay Ram Adhikari, Salvatore Arico6, András Báldi, Ann M. Bartuska7, Ivar Andreas Baste, Adem Bilgin, Eduardo S. Brondizio8, Kai M. A. Chan9, Viviana E. Figueroa, Anantha Kumar Duraiappah, Markus Fischer, Rosemary Hill10, Thomas Koetz, Paul Leadley11, Philip O'b. Lyver12, Georgina M. Mace13, Berta Martín-López14, Michiko Okumura5, Diego Pacheco, Unai Pascual15, Edgar Selvin Pérez, Belinda Reyers16, Eva Roth17, Osamu Saito18, Robert J. Scholes19, Nalini Sharma5, Heather Tallis20, Randolph R. Thaman21, Robert T. Watson22, Tetsukazu Yahara23, Zakri Abdul Hamid, Callistus Akosim, Yousef S. Al-Hafedh24, Rashad Allahverdiyev, Edward Amankwah, T. Stanley Asah25, Zemede Asfaw2, Gabor Bartus26, Anathea L. Brooks6, Jorge Caillaux27, Gemedo Dalle, Dedy Darnaedi, Amanda Driver (Sanbi), Gunay Erpul28, Pablo Escobar-Eyzaguirre, Pierre Failler29, Ali Moustafa Mokhtar Fouda, Bojie Fu30, Haripriya Gundimeda31, Shizuka Hashimoto32, Floyd Homer, Sandra Lavorel33, Gabriela Lichtenstein34, William Armand Mala35, Wadzanayi Mandivenyi, Piotr Matczak36, Carmel Mbizvo, Mehrasa Mehrdadi, Jean Paul Metzger37, Jean Bruno Mikissa38, Henrik Moller39, Harold A. Mooney40, Peter J. Mumby41, Harini Nagendra42, Carsten Nesshöver43, Alfred Oteng-Yeboah44, György Pataki45, Marie Roué, Jennifer Rubis6, Maria Schultz46, Peggy Smith47, Rashid Sumaila9, Kazuhiko Takeuchi18, Spencer Thomas, Madhu Verma48, Youn Yeo-Chang49, Diana Zlatanova50 
National University of Cordoba1, Addis Ababa University2, National Autonomous University of Mexico3, State University of Campinas4, United Nations Environment Programme5, UNESCO6, United States Department of Agriculture7, Indiana University8, University of British Columbia9, Commonwealth Scientific and Industrial Research Organisation10, University of Paris-Sud11, Landcare Research12, University College London13, Autonomous University of Madrid14, University of Cambridge15, Council for Scientific and Industrial Research16, University of Southern Denmark17, United Nations University18, Virginia Tech College of Natural Resources and Environment19, The Nature Conservancy20, University of the South Pacific21, University of East Anglia22, Kyushu University23, King Abdulaziz City for Science and Technology24, University of Washington25, Budapest University of Technology and Economics26, Environmental Law Institute27, Ankara University28, University of Portsmouth29, Chinese Academy of Sciences30, Indian Institute of Technology Bombay31, Kyoto University32, Joseph Fourier University33, National Scientific and Technical Research Council34, University of Yaoundé35, Polish Academy of Sciences36, University of São Paulo37, École Normale Supérieure38, University of Otago39, Stanford University40, University of Queensland41, Azim Premji University42, Helmholtz Centre for Environmental Research - UFZ43, University of Ghana44, Corvinus University of Budapest45, Stockholm University46, Lakehead University47, Indian Institute of Forest Management48, Seoul National University49, Sofia University50
TL;DR: The first public product of the Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES) is its Conceptual Framework as discussed by the authors, which will underpin all IPBES functions and provide structure and comparability to the syntheses that will produce at different spatial scales, on different themes, and in different regions.

1,585 citations

Journal ArticleDOI
Georges Aad1, Brad Abbott2, Jalal Abdallah3, Ovsat Abdinov4  +5117 moreInstitutions (314)
TL;DR: A measurement of the Higgs boson mass is presented based on the combined data samples of the ATLAS and CMS experiments at the CERN LHC in the H→γγ and H→ZZ→4ℓ decay channels.
Abstract: A measurement of the Higgs boson mass is presented based on the combined data samples of the ATLAS and CMS experiments at the CERN LHC in the H→γγ and H→ZZ→4l decay channels. The results are obtained from a simultaneous fit to the reconstructed invariant mass peaks in the two channels and for the two experiments. The measured masses from the individual channels and the two experiments are found to be consistent among themselves. The combined measured mass of the Higgs boson is mH=125.09±0.21 (stat)±0.11 (syst) GeV.

1,567 citations

Journal ArticleDOI
19 Dec 2014-Science
TL;DR: It is shown that roughly one-third of mainland Europe hosts at least one large carnivore species, with stable or increasing abundance in most cases in 21st-century records, and coexistence alongside humans has become possible, argue the authors.
Abstract: The conservation of large carnivores is a formidable challenge for biodiversity conservation. Using a data set on the past and current status of brown bears (Ursus arctos), Eurasian lynx (Lynx lynx), gray wolves (Canis lupus), and wolverines (Gulo gulo) in European countries, we show that roughly one-third of mainland Europe hosts at least one large carnivore species, with stable or increasing abundance in most cases in 21st-century records. The reasons for this overall conservation success include protective legislation, supportive public opinion, and a variety of practices making coexistence between large carnivores and people possible. The European situation reveals that large carnivores and people can share the same landscape.

1,290 citations


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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202326
2022141
2021792
2020771
2019769
2018693