[PDF] Top 20 Measurement of diffractive and exclusive processes with the ATLAS detector

... The ATLAS Collaboration has carried out a study of diffractive dijet produc- tion in proton–proton collisions at a centre-of-mass energy of √ s = 7 TeV at the ...for exclusive jet production studies with the ... See full document

... The ATLAS Forward Proton sub-detectors (AFP) [10] have now been installed and resemble the ALFA system in that they detect forward scattered ...of ATLAS in both emerging beamlines, as seen in ...a ... See full document

... − processes are the dominant backgrounds before exclusivity, while after requiring exclusivity their contributions are less than ...three processes; thus, the other background contribution after requiring ... See full document

... a measurement of the inelastic proton-proton cross section using 60 μ b −1 of pp collisions at a center-of-mass energy p ffiffiffi s of 13 TeV with the ATLAS detector at the ...For diffractive ... See full document

... background processes in such searches and their production cross sections need to be measured ...! processes at the LHC center-of-mass energies are also interesting in their own right, complementing the ... See full document

... background processes in such searches and their production cross sections need to be measured ...! processes at the LHC center-of-mass energies are also interesting in their own right, complementing the ... See full document

... mass measurement uncertainty ...mutually exclusive categories having different signal to back- ground ratios, diphoton invariant mass resolutions and systematic ...mass measurement assuming a SM Higgs ... See full document

... The selected events from 8 TeV (7 TeV) dataset are divided into 14 (10) exclusive categories based on event properties. The categories differ in signal-to-background ratio as well as invariant mass res- olution and ... See full document

... six processes were used as templates: three different helicity state signal processes, the background from events with misidentified lep- tons, the W +jets contribution and the sum of all other sources of ... See full document

... the detector response, have been measured by the ATLAS and CMS Collaborations in proton- proton (pp) collisions at a centre-of-mass energy of √ s = 8 TeV, using the 4l (l = e, µ), γγ and eνµν final states ... See full document

... sign of the mean b-jet charge as the signal. The MC simulation is expected to predict correctly all the processes with the exception of the multi-jet production and the normal- ization of the W + jets production. ... See full document

... the ATLAS Forward Proton (AFP) project [13] is to enhance the diffractive physics programme of the ATLAS experiment by installing new detectors that will be able to tag forward protons scattered at ... See full document

... The Atlas Forward Proton [9] (AFP) and CMS-TOTEM Precision Proton Spectrometer [10] (CT-PPS) detectors were installed recently in order to detect and measure intact protons in the final state that leads to a ... See full document

... production processes are also determined by fitting the data with two signal strengths to separate the vector-boson-mediated VBF and VH processes from gluon- mediated ggF ... See full document

... physics processes (for instance t ¯ t) have more particle activity (jets) in the event than other signatures, and thus may require specific isolation cuts (for instance, using a smaller cone size or a looser ... See full document

... energy. ATLAS measurement of the inclusive prompt J/ψ production [9] is used for computing the σ J/ψ , corrected for the fiducial phase space of this ... See full document

... Drift tubes of 4 mm in diameter (straw tubes) are the basic detector elements of the TRT. A total of 73 layers of 144 cm long straws make up the barrel module, while 160 layers of 37 cm long straws are used to ... See full document

... of ATLAS, but also for beam spots that are displaced by several mm, two representative beam spots were ...the detector, since the set of masked channels may change ... See full document

... the detector because of the better precision compared to the measurement in three dimensions, strengthened by the small transverse size of the beam ...length measurement, which is about 100 µm. Thus, ... See full document

... the ATLAS experiment by means of selec- tions on quantities describing the shape and properties of the associated electromagnetic showers and by requiring them to be isolated from other particles in the ...the ... See full document