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170 Research products, page 1 of 17

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  • Publication . Other literature type . Article . Research . Report . Preprint . 2020
    Open Access
    Authors: 
    Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Dragicevic, M.; Ero, J.; Del Valle, A. E.; +190 more
    Publisher: Springer Nature
    Countries: Italy, Switzerland, Germany, Germany, Serbia, Spain, Belgium, Croatia, Finland, Germany ...
    Project: EC | AMVA4NewPhysics (675440), EC | LHCTOPVLQ (752730), EC | INSIGHTS (765710)

    New sets of CMS underlying-event parameters (“tunes”) are presented for the PYTHIA8 event generator. These tunes use the NNPDF3.1 parton distribution functions (PDFs) at leading (LO), next-to-leading (NLO), or next-to-next-to-leading (NNLO) orders in perturbative quantu...

  • Publication . Report . 2019
    English
    Authors: 
    da Silva, Filipe Guimarães; Jorge, Maria do Rosário; Castaño, Inês; Fernandes, João; Raciti, Marco;
    Publisher: HAL CCSD
    Country: France
    Project: EC | DESIR (731081)

    The DESIR Winter School "Shaping new approaches to data management in arts and humanities" took place in Lisbon on 10-13 December 2019. The event was hosted by NOVA FCSH University facilities and was organised in the framework of the Horizon 2020 funded project DESIR (D...

  • English
    Authors: 
    Rollo, Maria Fernanda; Jorge, Maria do Rosário; Fernandes, João; da Silva, Filipe Guimarães; Queiroz, Inês; Lucas, Pedro;
    Publisher: HAL CCSD
    Country: France
    Project: EC | DESIR (731081)

    The European Commission aims to develop a more sustainable environment for research infrastructures ecosystem, and to ensure that the benefits and impacts are widely perceived by research communities and led to research excellence. This vision is reflected in a range of...

  • Open Access English
    Authors: 
    Georges Aad; Syed Haider Abidi; Shunsuke Adachi; Leszek Adamczyk; Jahred Adelman; Tim Adye; Merve Nazlim Agaras; Catalin Agheorghiesei; J. A. Aguilar-Saavedra; Giulio Aielli; +749 more
    Publisher: Uppsala universitet, Högenergifysik
    Countries: Spain, Germany, Argentina, Italy, Poland, Italy, Portugal, Norway, Italy, Sweden ...

    Single- and double-differential cross-section measurements are presented for the production of top-quark pairs, in the lepton + jets channel at particle and parton level. Two topologies, resolved and boosted, are considered and the results are presented as a function of...

  • Publication . Article . Other literature type . Preprint . Report . Research . 2019
    Open Access English
    Authors: 
    Sirunyan, Albert M; Tumasyan, Armen; Fruehwirth, Rudolf; Rebello Teles, Patricia; Park, Jiwon; Cho, Sungwoong; Choi, Suyong; Go, Yeonju; Gyun, Dooyeon; Ha, Seungkyu; +519 more
    Countries: Belgium, Italy, Spain, Turkey, Croatia, France, Germany, Belgium, Germany, Germany ...
    Project: EC | AMVA4NewPhysics (675440), EC | INSIGHTS (765710), EC | LHCTOPVLQ (752730)

    A search for low mass narrow vector resonances decaying into quark-antiquark pairs is presented. The analysis is based on data collected in 2017 with the CMS detector at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to an integr...

  • Open Access
    Authors: 
    Georges Aad; Syed Haider Abidi; Shunsuke Adachi; Leszek Adamczyk; Jahred Adelman; Tim Adye; Merve Nazlim Agaras; Catalin Agheorghiesei; Giulio Aielli; Calin Alexa; +732 more
    Countries: Spain, Norway, Spain, Italy, Spain, Italy, Italy, France, United Kingdom, Germany ...
    Project: EC | LHCDMTOP (694202)

    The result of a search for the pair production of the lightest supersymmetric partner of the bottom quark (b~₁) using 139 fb⁻¹ of proton-proton data collected at √s = 13 TeV by the ATLAS detector is reported. In the supersymmetric scenarios considered both of the bottom...

  • Publication . Article . Research . Other literature type . Report . Preprint . 2019
    Open Access English
    Authors: 
    Steven Robertson; Ricardo Gonçalo; D. Duschinger; Daniela Bortoletto; Tuan Nguyen Manh; Tatiana Lyubushkina; Christian Grefe; Kiyotomo Kawagoe; S. N. Karpov; Pavol Strizenec; +271 more
    Publisher: Inst. of Physics
    Countries: Spain, Italy, Netherlands, Poland, Germany, Italy, United Kingdom, France, Portugal, Turkey ...
    Project: EC | HiggspT (678215)

    We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT C...

  • Open Access English
    Authors: 
    Georges Aad; Alexander Kupco; Ahmed Bassalat; Marjorie Shapiro; Maximiliano Sioli; Nello Bruscino; Toshi Sumida; Steven Robertson; Andrei Snesarev; Edson Carquin; +821 more
    Publisher: Springer
    Countries: Norway, Turkey, Italy, Turkey, Italy, Netherlands, Germany, Poland, Spain, United Kingdom ...

    We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria;...

  • Publication . Article . Other literature type . Preprint . Report . 2019
    Open Access English
    Authors: 
    Leszek Adamczyk; Anamika Aggarwal; Shunichi Akatsuka; Corentin Allaire; Alberto Aloisio; Alejandro Alonso; Y. Amaral Coutinho; Simone Amoroso; Alexey Anisenkov; Jan-Hendrik Arling; +145 more
    Publisher: Elsevier
    Countries: Argentina, Poland, Italy, Portugal, Italy, United Kingdom, France, Argentina, Netherlands, Turkey ...
    Project: NSERC

    A search for the production of three massive vector bosons in proton–proton collisions is performed using data at s=13 TeV recorded with the ATLAS detector at the Large Hadron Collider in the years 2015–2017, corresponding to an integrated luminosity of 79.8 fb −1 . Eve...

  • Open Access English
    Authors: 
    Georges Aad; Alexander Kupco; Stefan Schmitt; Ahmed Bassalat; Matej Melo; Marjorie Shapiro; Maximiliano Sioli; Nello Bruscino; Toshi Sumida; Steven Robertson; +857 more
    Publisher: Uppsala universitet, Högenergifysik
    Countries: Spain, United Kingdom, Italy, Turkey, Sweden, Italy, Italy, Turkey, Norway, Argentina ...
    Project: EC | DIMO6FIT (715871)

    The production cross-sections for W± and Z bosons are measured using ATLAS data corresponding to an integrated luminosity of 4.0 pb⁻¹ collected at a centre-of-mass energy √s = 2.76 TeV. The decay channels W → ℓν and Z → ℓℓ are used, where ℓ can be an electron or a muon....