# ATLAS Conference Notes

Derniers ajouts:
2018-12-18
08:38
 Calibration of the $b$-tagging eﬃciency on charm jets using a sample of $W$+$c$ events with $\sqrt{s}$ = 13 TeV ATLAS data The identification of jets containing $b$-hadrons ($b$-jets) is of fundamental importance for many physics analyses performed by the ATLAS experiment. [...] ATLAS-CONF-2018-055. - 2018. - 22 p. Original Communication (restricted to ATLAS) - Full text

2018-11-30
08:22
 Combination of searches for invisible Higgs boson decays with the ATLAS experiment Dark matter particles, if sufficiently light, may be produced in decays of the Higgs boson. [...] ATLAS-CONF-2018-054. - 2018. - 11 p. Original Communication (restricted to ATLAS) - Full text

2018-11-27
08:38
 Measurements of $VH$, $H \to b\bar{b}$ production as a function of the vector boson transverse momentum in 13 TeV pp collisions with the ATLAS detector Cross sections of associated production of a Higgs boson decaying to bottom-quark pairs and an electroweak gauge boson $W$ or $Z$ decaying to leptons are measured as a function of the gauge boson transverse momentum. [...] ATLAS-CONF-2018-053. - 2018. Original Communication (restricted to ATLAS) - Full text

2018-11-27
08:26
 Search for boosted resonances decaying to two b-quarks and produced in association with a jet at $\sqrt{s}=13$ TeV with the ATLAS detector A search for new resonances decaying into a pair of bottom quarks in the merged regime is reported using an integrated luminosity of 80.5~\ifb of proton-proton collisions at $\sqrt{s}=13$ TeV recorded by the ATLAS detector at the Large Hadron Collider. [...] ATLAS-CONF-2018-052. - 2018. - 19 p. Original Communication (restricted to ATLAS) - Full text

2018-11-07
17:20
 Constraints on mediator-based dark matter models using $\sqrt s = 13$ TeV $pp$ collisions at the LHC with the ATLAS detector Constraints on selected mediator-based dark matter models using $\sqrt s = 13$~TeV $pp$ collisions collected by the ATLAS detector during the years 2015-2016 are summarised in this note. [...] ATLAS-CONF-2018-051. - 2018. Original Communication (restricted to ATLAS) - Full text

2018-10-03
17:23
 Dijet azimuthal correlations and conditional yields in $p\!p$ and $p$+Pb collisions at $\sqrt{s_{_\text{NN}}}$~=~5.02 TeV with the ATLAS detector This paper presents a measurement of forward--forward and forward--central dijet azimuthal angular correlations and conditional yields in proton--proton ($pp$) and proton--lead ($p$+Pb) collisions as a probe for possible gluon-density saturation in regions where the momentum fraction of a parton compared to a nucleon in the lead nucleus is low. [...] ATLAS-CONF-2018-050. - 2018. - 29 p. Original Communication (restricted to ATLAS) - Full text

2018-09-20
12:48
 Search for top quark decays t\rightarrowHq with 36 fb^{−1} of pp collision data at \sqrt{s} = 13 TeV with the ATLAS detector A search for flavour-changing neutral current decays of a top quark into an up-type quark ($q=u, c$) and the Standard Model Higgs boson, $t\to Hq$, is presented. [...] ATLAS-CONF-2018-049. - 2018. - 42 p. Original Communication (restricted to ATLAS) - Full text

2018-09-20
12:43
 Measurements of inclusive and differential cross-sections of $t\bar{t}\gamma$ production in leptonic final states in a fiducial volume at $\sqrt{s}=13~\text{TeV}$ in ATLAS Inclusive and differential cross-sections for the production of a top-quark pair in association with a photon are measured with proton-proton collision data corresponding to an integrated luminosity of 36.1 $fb^{-1}$, collected by the ATLAS detector at the LHC in 2015 and 2016 at a centre-of-mass energy of 13 TeV. [...] ATLAS-CONF-2018-048. - 2018. - 46 p. Original Communication (restricted to ATLAS) - Full text

2018-09-20
12:38
 Measurement of the $t\bar{t}W$ and $t\bar{t}Z$ cross sections in proton–proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector A measurement of the associated production of $t\bar{t}$ events with a vector boson ($W$, $Z$) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented, using 36.1 fb$^{-1}$ of integrated luminosity collected by the ATLAS detector at the Large Hadron Collider. [...] ATLAS-CONF-2018-047. - 2018. Original Communication (restricted to ATLAS) - Full text

2018-09-20
12:32
 Study of the rare decays of B0s and B0 into muon pairs from data collected during 2015 and 2016 with the ATLAS detector A study of the decays $B_s^0 \to \mu^+\mu^−$ and $B^0 \to \mu^+\mu^−$ has been performed using $26.3$~fb$^{-1}$ of $13$ TeV LHC proton-proton collisions collected with the ATLAS detector in 2015 and 2016. [...] ATLAS-CONF-2018-046. - 2018. Original Communication (restricted to ATLAS) - Full text