ATLAS Conference Notes

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2017-09-25
23:07

Measurement of the fragmentation function for photon-tagged jets in $\sqrt{s_\mathrm{NN}} = 5.02$ TeV Pb+Pb and $pp$ collisions with the ATLAS detector
This note presents a measurement of the charged-particle fragmentation function (FF) for jets azimuthally balanced by a high transverse momentum ($p_\mathrm{T}$) prompt, isolated photon [...]
ATLAS-CONF-2017-074. - 2017.
Original Communication (restricted to ATLAS) - Full text

2017-09-25
23:05

$D$ meson production and long-range azimuthal correlation in $8.16~\mathrm{TeV}$ $p$+Pb collisions with ATLAS
The production of $D^{0}(\overline{D^0})$ and $D^{*\pm}$ mesons has been measured with the ATLAS detector in $p$+Pb collisions at $\sqrt{s_{_\mathrm{NN}}}=8.16~\mathrm{TeV}$ with an integrated luminosity of $76.3\mu b^{-1}$ taken in 2016. [...]
ATLAS-CONF-2017-073. - 2017.
Original Communication (restricted to ATLAS) - Full text

2017-09-25
23:02

Prompt photon production in $\sqrt{s_\mathrm{NN}} = 8.16$ TeV $p$+Pb collisions with ATLAS
The inclusive production cross-section for isolated, prompt photons in $p$+Pb collisions at $\sqrt{s_\mathrm{NN}} = 8.16$~TeV is studied with the ATLAS detector at the LHC using a data set with an integrated luminosity of $162$~nb$^{-1}$. [...]
ATLAS-CONF-2017-072. - 2017.
Original Communication (restricted to ATLAS) - Full text

2017-09-25
23:00

Measurement of the top quark mass in the $t\bar{t}$→ lepton+jets channel from $\sqrt{s}$=8 TeV ATLAS data
The top quark mass is measured using a template method in the $t\bar{t} \to$ lepton + jets channel (lepton = e, $\mu$) using ATLAS data recorded in the year 2012 at the LHC. [...]
ATLAS-CONF-2017-071. - 2017.
Original Communication (restricted to ATLAS) - Full text

2017-09-25
22:58

Search for flavour-changing neutral current top quark decays $t\to qZ$ in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS Detector
A search for flavour-changing neutral-current processes in top quark decays is presented. [...]
ATLAS-CONF-2017-070. - 2017.
Original Communication (restricted to ATLAS) - Full text

2017-09-25
22:56

Measurement of colour flow using jet-pull observables in $t\bar{t}$ events with the ATLAS experiment at $\sqrt{s} = 13$ TeV
Previous phenomenological studies and measurements have shown that weighted angular moments derived from jet constituents encode the colour connections between initiating partons which seed the jets. [...]
ATLAS-CONF-2017-069. - 2017. - 27 p.
Original Communication (restricted to ATLAS) - Full text

2017-09-25
22:51

Measurement of long-range azimuthal correlations in $Z$-boson tagged $pp$ collisions at $\sqrt{s}=8$~TeV
This analysis is the first to study long-range hadron correlations in $pp$ collisions with a constraint on collision geometry. [...]
ATLAS-CONF-2017-068. - 2017.
Original Communication (restricted to ATLAS) - Full text

2017-09-23
14:07

Measurement of W boson production in the muon channel in Pb+Pb collisions at sqrt(sNN) =5.02 TeV
The production of $W$ bosons in the muon decay channel in lead-lead collisions at a center- of-mass energy of $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV is studied by the ATLAS experiment. [...]
ATLAS-CONF-2017-067. - 2017.
Original Communication (restricted to ATLAS) - Full text

2017-09-23
13:58

Measurement of four-particle azimuthal cumulants in Pb+Pb collisions at $\sqrt{s_{NN}}=5.02$ TeV with the ATLAS detector
Measurements of four-particle cumulants $c_{n}${4} for $n=1,2,3,4$ are presented using 470 $\mu$b$^{-1}$ of Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2017-066. - 2017.
Original Communication (restricted to ATLAS) - Full text

2017-08-26
17:38

Constituent-level pile-up mitigation techniques in ATLAS
Pile-up of simultaneous proton-proton collisions at the LHC has a significant impact on jet reconstruction. [...]
ATLAS-CONF-2017-065. - 2017. - 19 p.
Original Communication (restricted to ATLAS) - Full text

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