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ATLAS Conference Notes

Ostatnio dodane:
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

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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

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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

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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

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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

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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

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2021-08-25
11:36
Search for vector boson resonances decaying to a top quark and a bottom quark in the hadronic final state using $pp$ collisions at $\sqrt{s}~=~13$ TeV with the ATLAS detector
A search for a new charged massive gauge boson, $W'$, is performed with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2021-043.
- 2021. - 24 p.
Original Communication (restricted to ATLAS) - Full text

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2021-08-25
11:35
Search for the Charged-Lepton-Flavor Violating decay $Z\rightarrow e\mu$ in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search is presented for the charged-lepton-flavor violating process $Z\rightarrow e\mu$ using 139~fb$^{-1}$ of $pp$ collision data collected with the ATLAS experiment at $\sqrt{s}=13$ TeV. [...]
ATLAS-CONF-2021-042.
- 2021. - 15 p.
Original Communication (restricted to ATLAS) - Full text

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2021-08-25
11:33
Search for high-mass $W\gamma$ and $Z\gamma$ resonances in the hadronic final state using 139 fb$^{-1}$ of pp collisions at $\sqrt{s}$= 13 TeV with the ATLAS Detector
A search for high-mass charged and neutral bosons decaying to $W\gamma$ and $Z\gamma$ final states is presented in this note. [...]
ATLAS-CONF-2021-041.
- 2021. - 29 p.
Original Communication (restricted to ATLAS) - Full text

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2021-08-25
11:32
Search for the single production of vector-like $T$ quarks decaying into $tH$ or $tZ$ with the ATLAS detector
This note describes a search for the single production of an up-type vector-like quark ($T$) decaying as $T \rightarrow Ht$ or $T \rightarrow Zt$. [...]
ATLAS-CONF-2021-040.
- 2021. - 44 p.
Original Communication (restricted to ATLAS) - Full text

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