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Ioannis Papadopoulos

Researcher at University of Ioannina

Publications -  1343
Citations -  94655

Ioannis Papadopoulos is an academic researcher from University of Ioannina. The author has contributed to research in topics: Large Hadron Collider & Lepton. The author has an hindex of 129, co-authored 1201 publications receiving 85576 citations. Previous affiliations of Ioannis Papadopoulos include CERN & Université libre de Bruxelles.

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Observation of sequential Υ suppression in PbPb collisions

S. Chatrchyan, +2268 more
TL;DR: In this paper, the suppression of individual nS states in PbPb collisions with respect to their yields in pp data has been measured, and the results demonstrate the sequential suppression of the Υ(nS) states from the dimuon invariant mass spectra.
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Searches for long-lived charged particles in pp collisions at sqrt(s) = 7 and 8 TeV

S. Chatrchyan, +2270 more
TL;DR: In this article, results of searches for heavy stable charged particles produced in pp collisions at 7 and 8 TeV are presented corresponding to an integrated luminosity of 5.0 and 18.8 inverse femtobarns, respectively.
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Performance of photon reconstruction and identification with the CMS detector in proton-proton collisions at √s = 8 TeV

Vardan Khachatryan, +2207 more
TL;DR: In this paper, the performance of the Cern LHC detector for photon reconstruction and identification in proton-proton collisions at a centre-of-mass energy of 8 TeV at the CERN LHC is described.
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Extraction and validation of a new set of CMS pythia8 tunes from underlying-event measurements

Albert M. Sirunyan, +2251 more
TL;DR: For the first time, predictions from pythia8 obtained with tunes based on NLO or NNLO PDFs are shown to reliably describe minimum-bias and underlying-event data with a similar level of agreement to predictions from tunes using LO PDF sets.
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Search for resonances and quantum black holes using dijet mass spectra in proton-proton collisions at s =8TeV

Vardan Khachatryan, +2130 more
- 17 Jan 2015 - 
TL;DR: In this article, a search for resonances and quantum black holes is performed using the dijet mass spectra measured in proton-proton collisions at s√=8 TeV with the CMS detector at the LHC.