# ATLAS PUB Notes

2017-07-05
16:09
 Optimisation and performance studies of the ATLAS $b$-tagging algorithms for the 2017-18 LHC run The optimisation and performance of the ATLAS $b$-tagging algorithms for the 2017-18 data taking at the LHC are described. [...] ATL-PHYS-PUB-2017-013. - 2017. Original Communication (restricted to ATLAS) - Full text

2017-07-05
15:59
 Proton tagging with the one arm AFP detector The ATLAS Forward Proton (AFP) detector is designed to identify events in which one or two protons emerge intact from the LHC collisions at small angles. [...] ATL-PHYS-PUB-2017-012. - 2017. - 10 p. Original Communication (restricted to ATLAS) - Full text

2017-06-18
09:40
 Secondary vertex finding for jet flavour identification with the ATLAS detector A high performance identification of jets produced via fragmentation of bottom quarks is crucial for the ATLAS physics programme. [...] ATL-PHYS-PUB-2017-011. - 2017. - 19 p. Original Communication (restricted to ATLAS) - Full text

2017-06-12
22:57
 Variable Radius, Exclusive-k$_{T}$, and Center-of-Mass Subjet Reconstruction for Higgs($\rightarrow b\bar{b}$) Tagging in ATLAS Many physics searches in Run 2 of the Large Hadron Collider involve boosted Higgs bosons, which decay to two $b$-quarks with a large branching ratio. [...] ATL-PHYS-PUB-2017-010. - 2017. Original Communication (restricted to ATLAS) - Full text

2017-05-11
20:01
 Quark versus Gluon Jet Tagging Using Charged Particle Multiplicity with the ATLAS Detector Distinguishing quark-initiated from gluon-initiated jets is useful for many measurements and searches at the LHC. [...] ATL-PHYS-PUB-2017-009. - 2017. Original Communication (restricted to ATLAS) - Full text

2017-05-04
23:01
 A study of different colour reconnection settings for Pythia8 generator using underlying event observables A study of the performance of various colour reconnection models included in the Pythia8 Monte Carlo event generator is performed using leading charged-particle underlying event data in three centre-of-mass energies from Run 1 and Run 2, measured in ATLAS. [...] ATL-PHYS-PUB-2017-008. - 2017. Original Communication (restricted to ATLAS) - Full text

2017-05-02
22:56
 Studies on top-quark Monte Carlo modelling with Sherpa and MG5_aMC@NLO This note presents the status of recent studies of modern Monte Carlo generator setups for the pair production of top quarks at the LHC. [...] ATL-PHYS-PUB-2017-007. - 2017. Original Communication (restricted to ATLAS) - Full text

2017-05-02
22:52
 ATLAS simulation of boson plus jets processes in Run 2 This note describes the ATLAS simulation setup used to model the production of single electroweak bosons ($W$, $Z\gamma^\ast$ and prompt $\gamma$) in association with jets in proton--proton collisions at centre-of-mass energies of 8 and 13 TeV. [...] ATL-PHYS-PUB-2017-006. - 2017. Original Communication (restricted to ATLAS) - Full text

2017-05-02
22:38
 Multi-Boson Simulation for 13 TeV ATLAS Analyses This note describes the Monte Carlo setup used by ATLAS to model multi-boson processes in 13 TeV pp collisions. [...] ATL-PHYS-PUB-2017-005. - 2017. Original Communication (restricted to ATLAS) - Full text

2017-04-13
11:25
 Identification of Hadronically-Decaying W Bosons and Top Quarks Using High-Level Features as Input to Boosted Decision Trees and Deep Neural Networks in ATLAS at $\sqrt{s}$ = 13 TeV The application of boosted decision trees and deep neural networks to the identification of hadronically-decaying W bosons and top quarks using high-level jet observables as inputs is investigated using Monte Carlo simulations. [...] ATL-PHYS-PUB-2017-004. - 2017. Original Communication (restricted to ATLAS) - Full text