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View article: Autoencoder-Based Anomaly Detection System for Online Data Quality Monitoring of the CMS Electromagnetic Calorimeter
Autoencoder-Based Anomaly Detection System for Online Data Quality Monitoring of the CMS Electromagnetic Calorimeter Open
The CMS detector is a general-purpose apparatus that detects high-energy collisions produced at the LHC. Online data quality monitoring of the CMS electromagnetic calorimeter is a vital operational tool that allows detector experts to quic…
View article: Search for supersymmetry in pp collisions at √s=13 TeV with 137 fb−1 in final states with a single lepton using the sum of masses of large-radius jets
Search for supersymmetry in pp collisions at √s=13 TeV with 137 fb−1 in final states with a single lepton using the sum of masses of large-radius jets Open
Results are reported from a search for new physics beyond the standard model in proton-proton collisions in final states with a single lepton; multiple jets, including at least one jet tagged as originating from the hadronization of a bott…
View article: Les Houches 2019: Physics at TeV Colliders: Standard Model Working Group Report
Les Houches 2019: Physics at TeV Colliders: Standard Model Working Group Report Open
This Report summarizes the proceedings of the 2019 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt with (I) new developments for high precision Standard Model calculations, (II) the sensitivity of parton distribution func…
View article: Charting the European Course to the High-Energy Frontier
Charting the European Course to the High-Energy Frontier Open
We review the capabilities of two projects that have been proposed as the next major European facility, for consideration in the upcoming update of the European Strategy for Particle Physics: CLIC and FCC. We focus on their physics potenti…
View article: Muon spin rotation study of type-I superconductivity: Elemental <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math>-Sn
Muon spin rotation study of type-I superconductivity: Elemental -Sn Open
The application of the muon-spin rotation/relaxation ($\\mu$SR) technique for\nstudying type-I superconductivity is discussed. In the intermediate state, i.e.\nwhen a type-I superconducting sample with non-zero demagnetization factor $N$\n…
View article: Performance of reconstruction and identification of 𝜏 leptons decaying to hadrons and 𝜈𝜏 in pp collisions at √s=13 TeV
Performance of reconstruction and identification of 𝜏 leptons decaying to hadrons and 𝜈𝜏 in pp collisions at √s=13 TeV Open
The algorithm developed by the CMS Collaboration to reconstruct and identify τ leptons produced in proton-proton collisions at √s=7 and 8 TeV, via their decays to hadrons and a neutrino, has been significantly improved. The changes include…
View article: Observation of ttH Production
Observation of ttH Production Open
The observation of Higgs boson production in association with a top quark-antiquark pair is reported, based on a combined analysis of proton-proton collision data at center-of-mass energies of √s=7, 8, and 13 TeV, corresponding to integrat…
View article: Search for Higgsino pair production in 𝑝𝑝 collisions at √s=13 TeV in final states with large missing transverse momentum and two Higgs bosons decaying via H→bb
Search for Higgsino pair production in 𝑝𝑝 collisions at √s=13 TeV in final states with large missing transverse momentum and two Higgs bosons decaying via H→bb Open
Results are reported from a search for new physics in 13 TeV proton-proton collisions in the final state with large missing transverse momentum and two Higgs bosons decaying via H→b¯b. The search uses a data sample accumulated by the CMS e…
View article: Search for resonant and nonresonant Higgs boson pair production in the bbℓνℓν final state in proton-proton collisions at s√=13 TeV
Search for resonant and nonresonant Higgs boson pair production in the bbℓνℓν final state in proton-proton collisions at s√=13 TeV Open
Searches for resonant and nonresonant pair-produced Higgs bosons (HH) decaying respectively into ℓνℓν, through either W or Z bosons, and \\( \\mathrm{b}\\overline{\\mathrm{b}} \\) are presented. The analyses are based on a sample of proton…
View article: Search for new long-lived particles at s=13 TeV
Search for new long-lived particles at s=13 TeV Open
A search for long-lived particles was performed with data corresponding to an integrated luminosity of 2.6 fb−1 collected at a center-of-mass energy of 13 TeV by the CMS experiment in 2015. The analysis exploits two customized topological …
View article: Beam test evaluation of electromagnetic calorimeter modules made from proton-damaged PbWO<sub>4</sub>crystals
Beam test evaluation of electromagnetic calorimeter modules made from proton-damaged PbWO<sub>4</sub>crystals Open
The performance of electromagnetic calorimeter modules made of proton-irradiated PbWO4 crystals has been studied in beam tests. The modules, similar to those used in the Endcaps of the CMS electromagnetic calorimeter (ECAL), were formed fr…