1,721,139 research outputs found

    Corrigendum to “Measurement of the ZZ production cross section and Z → l+l−l′+l′− branching fraction in pp collisions at s=13 TeV” [Phys. Lett. B 763 (2016) 280–303](S0370269316306256)(10.1016/j.physletb.2016.10.054)

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    An error was found in the published version in the top plot in Fig. 1. The plot was erroneously replaced by a copy of the top plot of Fig. 4. The correct figure is shown below. The physics conclusions of the paper remain unchanged

    Corrigendum to “Search for dijet resonances in proton–proton collisions at s=13 TeV and constraints on dark matter and other models” [Phys. Lett. B 769 (2017) 520–542](S0370269317301028)(10.1016/j.physletb.2017.02.012))

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    This corrigendum refers to an error in the CMS excluded regions in the scattering of dark matter (DM) particles on nucleons as a function of the DM mass ([Formula presented]) in Ref. [1]. A translation formula, used to relate the DM-nucleon interaction cross section to the mass of the dark matter mediator, neglected a dependence on [Formula presented] by using the nucleon mass in place of the reduced mass of the DM-nucleon system. The excluded range in the DM-nucleon interaction cross section in Fig. 5 of Ref. [1] was incorrectly shown as being independent of [Formula presented] at low values of mass, roughly below 40 GeV. The correct CMS excluded region for [Formula presented] GeV, where the translation formula is reliable, is presented here in Fig. 1 which replaces Fig. 5 of Ref. [1]

    Corrigendum to “Measurement of the pp → ZZ production cross section and constraints on anomalous triple gauge couplings in four-lepton final states at s=8TeV” [Phys. Lett. B 740 (2015) 250] (S0370269314008697) (10.1016/j.physletb.2014.11.059))

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    An error was found in the published version in the right plot in Fig. 4. The bin-by-bin normalization for data and MC prediction in this plot is incorrect. The corrected figure is shown in Fig. 1. The physics conclusion of the paper remains unchanged

    Search for new phenomena in events with high jet multiplicity and low missing transverse momentum in proton–proton collisions at s=8TeV

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    A dedicated search is presented for new phenomena in inclusive 8- and 10-jet final states with low missing transverse momentum, with and without identification of jets originating from b quarks. The analysis is based on data from proton–proton collisions corresponding to an integrated luminosity of 19.7fb−1 collected with the CMS detector at the LHC at s=8TeV. The dominant multijet background expectations are obtained from low jet multiplicity control samples. Data agree well with the standard model background predictions, and limits are set in several benchmark models. Colorons (axigluons) with masses between 0.6 and 0.75 (up to 1.15) TeV are excluded at 95% confidence level. Similar exclusion limits for gluinos in R-parity violating supersymmetric scenarios are from 0.6 up to 1.1 TeV. These results comprise the first experimental probe of the coloron and axigluon models in multijet final states

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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