# ATLAS Conference Notes

Ostatnio dodane:
2021-11-02
22:49
 Combined measurements of Higgs boson production and decay using up to $139$ fb$^{-1}$ of proton-proton collision data at $\sqrt{s}= 13$ TeV collected with the ATLAS experiment A combination of measurements of Higgs boson production cross sections and branching fractions is presented. [...] ATLAS-CONF-2021-053. - 2021. Original Communication (restricted to ATLAS) - Full text

2021-10-21
21:13
 Combination of searches for non-resonant and resonant Higgs boson pair production in the $b\bar{b}\gamma\gamma$, $b\bar{b}\tau^{+}\tau^{-}$ and $b\bar{b}b\bar{b}$ decay channels using $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector This note presents a combination of searches for Higgs boson pair production using 126-139 $\mathrm{fb}^{-1}$ of proton-proton collision data recorded with the ATLAS detector at a center-of-mass energy of $\sqrt{s}=$ 13 TeV at the LHC. [...] ATLAS-CONF-2021-052. - 2021. Original Communication (restricted to ATLAS) - Full text

2021-09-29
18:24
 Combination of measurements of Higgs boson production in association with a $W$ or $Z$ boson in the $b\bar{b}$ decay channel with the ATLAS experiment at $\sqrt{s}=13$ TeV A combination of measurements of associated production of a Standard Model Higgs boson with an electroweak gauge boson, $W$ or $Z$, is presented, targeting Higgs boson decays to bottom quarks and $W$ or $Z$ boson decays to leptons. [...] ATLAS-CONF-2021-051. - 2021. Original Communication (restricted to ATLAS) - Full text

2021-09-29
18:22
 Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data Measurements are presented of single-, double-, and triple-differential cross-sections for boosted top-quark pair-production in 13 TeV LHC proton-proton collisions recorded by the ATLAS detector. [...] ATLAS-CONF-2021-050. - 2021. - 83 p. Original Communication (restricted to ATLAS) - Full text

2021-09-15
16:25
 Search for flavor-changing neutral-current couplings between the top quark and the Z boson with LHC Run2 proton-proton collisions at $\sqrt{s} = 13\,\text{TeV}$ with the ATLAS detector A search for flavor-changing neutral-current couplings between a top quark, an up or charm quark and a $Z$ boson is presented, using proton-proton collision data at $\sqrt{s} = 13\,\text{TeV}$ collected by the ATLAS detector at the Large Hadron Collider. [...] ATLAS-CONF-2021-049. - 2021. - 32 p. Original Communication (restricted to ATLAS) - Full text

2021-09-15
16:24
 Search for heavy resonances in four-top-quark final states in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector A search for associated production of a heavy $Z'$ boson with a top-antitop-quark pair $(t\bar{t}Z')$, and decaying into a $t\bar{t}$ pair is presented. [...] ATLAS-CONF-2021-048. - 2021. Original Communication (restricted to ATLAS) - Full text

2021-09-04
10:39
 Search for $H^{\pm} \rightarrow W^{\pm}A \rightarrow W^{\pm}\mu\mu$ in $pp \rightarrow t\overline{t}$ events using an $e\mu\mu$ signature with the ATLAS detector at $\sqrt{s}=13$ TeV This note presents a search for a charged Higgs boson ($H^{\pm}$) decaying to a pseudoscalar particle ($A$) and a $W$ boson in top-quark pair events. [...] ATLAS-CONF-2021-047. - 2021. - 15 p. Original Communication (restricted to ATLAS) - Full text

2021-08-25
11:41
 Study of the $B_c^+\to J/\psi D_s^+$ and $B_c^+\to J/\psi D_s^{*+}$ decays in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector A study of the $B_c^+\to J/\psi D_s^+$ and $B_c^+\to J/\psi D_s^{*+}$ decays using 139 fb$^{-1}$ of integrated luminosity collected with the ATLAS detector from $\sqrt{s} = 13$ TeV $pp$ collisions at the LHC is presented. [...] ATLAS-CONF-2021-046. - 2021. Original Communication (restricted to ATLAS) - Full text

2021-08-25
11:40
 A search for an unexpected asymmetry in the production of $e^+ \mu^-$ and $e^- \mu^+$ pairs in proton-proton collisions recorded by the ATLAS detector at $\sqrt s = 13~\mathrm{TeV}$ This search, a type not previously performed at ATLAS, uses a comparison of the production cross sections for $e^+ \mu^-$ and $e^- \mu^+$ pairs to constrain Beyond Standard Model physics processes. [...] ATLAS-CONF-2021-045. - 2021. - 15 p. Original Communication (restricted to ATLAS) - Full text

2021-08-25
11:38
 Measurements of Higgs boson production cross-sections in the $H\to\tau^{+}\tau^{-}$ decay channel in $pp$ collisions at $\sqrt{s}=13\,\text{TeV}$ with the ATLAS detector Measurements of the production cross-sections of the Standard Model (SM) Higgs boson ($H$) decaying into a pair of $\tau$ leptons are presented. [...] ATLAS-CONF-2021-044. - 2021. - 76 p. Original Communication (restricted to ATLAS) - Full text