Search
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Measurement of the Y(1S) pair production cross section and search for resonances decaying to Y(1S)μ+μ− in proton-proton collisions at √s=13TeV
(2020)Physics Letters BThe fiducial cross section for Y(1S) pair production in proton-proton collisions at a center-of-mass energy of 13 TeV in the region where both Y(1S) mesons have an absolute rapidity below 2.0 is measured to be 79±11(stat)±6(syst)±3(B) pb assuming the mesons are produced unpolarized. The last uncertainty corresponds to the uncertainty in the Y(1S) meson dimuon branching fraction. The measurement is performed in the final state with four ...Journal Article -
Evidence for Top Quark Production in Nucleus-Nucleus Collisions
(2020)Physical Review LettersUltrarelativistic heavy ion collisions recreate in the laboratory the thermodynamical conditions prevailing in the early universe up to 10−6 sec, thereby allowing the study of the quark-gluon plasma (QGP), a state of quantum chromodynamics (QCD) matter with deconfined partons. The top quark, the heaviest elementary particle known, is accessible in nucleus-nucleus collisions at the CERN LHC, and constitutes a novel probe of the QGP. Here, ...Journal Article -
Stabilizing Inactive Conformations of MALT1 as an Effective Approach to Inhibit Its Protease Activity
(2020)Advanced TherapeuticsThe paracaspase MALT1 (mucosa associated lymphoid tissue lymphoma translocated gene 1) plays an important role in various immune pathways and is proposed as a therapeutic target for autoimmune disorders as well as different types of cancer, such as diffuse large B‐cell lymphoma (DLBCL). Different mechanisms are explored to inhibit the protease activity of MALT1 and two unrelated chemical scaffolds are discovered. Biophysical and structural ...Journal Article -
Insight into Acid-Base Nucleation Experiments by Comparison of the Chemical Composition of Positive, Negative, and Neutral Clusters
(2014)Environmental Science & TechnologyJournal Article -
Aggression subtypes relate to distinct resting state functional connectivity in children and adolescents with disruptive behavior
(2020)European Child & Adolescent PsychiatryThere is increasing evidence for altered brain resting state functional connectivity in adolescents with disruptive behavior. While a considerable body of behavioral research points to differences between reactive and proactive aggression, it remains unknown whether these two subtypes have dissociable effects on connectivity. Additionally, callous-unemotional traits are important specifiers in subtyping aggressive behavior along the ...Journal Article -
Search for Axionlike and Scalar Particles with the NA64 Experiment
(2020)Physical Review LettersWe carried out a model-independent search for light scalar (s) and pseudoscalar axionlike (a) particles that couple to two photons by using the high-energy CERN SPS H4 electron beam. The new particles, if they exist, could be produced through the Primakoff effect in interactions of hard bremsstrahlung photons generated by 100 GeVelectrons in the NA64 active dump with virtual photons provided by the nuclei of the dump. The a(s) would ...Journal Article -
Identifying the Research and Infrastructure Needs for the Global Assessment of Hazardous Chemicals Ten Years after Establishing the Stockholm Convention
(2011)Environmental Science & TechnologyJournal Article -
Neutral molecular cluster formation of sulfuric acid-dimethylamine observed in real time under atmospheric conditions
(2014)Proceedings of the National Academy of Sciences of the United States of AmericaJournal Article -
A preliminary early-season flower- visitation web for the Kirindy forest, Madagascar
(2010)Journal of Pollination EcologyTropical dry deciduous forest is an endangered ecosystem whose plant-pollinator relationships are little known. We characterised a portion of the web of interactions between flowering plants and flower visitors in the Kirindy Forest of the Menabe region of west-central Madagascar. Taking a plant-centered approach, we observed individuals of the 5 most abundant native plant species that were coming into flower at the end of the annual dry ...Journal Article -
Search for new physics in top quark production in dilepton final states in proton-proton collisions at √s=13TeV
(2019)The European Physical Journal CA search for new physics in top quark production is performed in proton-proton collisions at 13TeV. The data set corresponds to an integrated luminosity of 35.9fb−1 collected in 2016 with the CMS detector. Events with two opposite-sign isolated leptons (electrons or muons), and b quark jets in the final state are selected. The search is sensitive to new physics in top quark pair production and in single top quark production in association ...Journal Article