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31.

Improved measurement of $\eta / \eta^{\prime}$ mixing in $B^{0}_{(s)} \rightarrow J/\psi \eta^{(\prime)}$ decays / LHCb Collaboration
Branching fraction ratios between the decays $B^{0}_{(s)} \rightarrow J/\psi \eta^{(\prime)}$ are measured using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb$^{-1}$. The measured ratios of these branching fractions are \[ \frac{BF(B^{0} \rightarrow J/\psi \eta^{\prime})}{BF(B^{0} \rightarrow J/\psi \eta)} = 0.48 \pm 0.06 \pm 0.02 \pm 0.01, \] \[\frac{BF(B^{0}_{s} \rightarrow J/\psi \eta^{\prime})}{BF(B^{0}_{s} \rightarrow J/\psi \eta)} = 0.80 \pm 0.02 \pm 0.02 \pm 0.01, \] where the uncertainties are statistical, systematic and related to the precision of the $\eta^{(\prime)}$ branching fractions, respectively. [...]
arXiv:2507.13914; LHCb-PAPER-2025-025; CERN-EP-2025-148; LHCB-PAPER-2025-025.- Geneva : CERN, 2025-10-14 - 32 p. - Published in : JHEP 2510 (2025) 113 Fulltext: 2507.13914 - PDF; document - PDF; Related data file(s): ZIP;

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32.

Precision measurement of the ${\it{\Xi}}_b^0$ baryon lifetime / LHCb Collaboration
A sample of $pp$ collision data, corresponding to an integrated luminosity of 5.4 fb$^{-1}$ and collected by the LHCb experiment during LHC Run 2, is used to measure the ratio of the lifetime of the ${\it{\Xi}}_b^0$ baryon to that of the ${\it{\Lambda}}_b^0$ baryon, $r_{\tau}\equiv\tau_{{\it{\Xi}}_b^0}/\tau_{{\it{\Lambda}}_b^0}$. The value ${r_{\tau}^{\rm Run\,2}=1.004\pm0.009\pm0.006}$ is obtained, where the first uncertainty is statistical and the second systematic. [...]
arXiv:2507.12402; LHCb-PAPER-2025-023; CERN-EP-2025-139.- Geneva : CERN, 2025-09-01 - 25 p. - Published in : Phys. Rev. D 112 (2025) 052012 Fulltext: LHCb-PAPER-2025-023-FINAL - PDF; LHCb-PAPER-2025-023-figures - ZIP; LHCb-PAPER-2025-023-supplementary - ZIP; 2507.12402 - PDF; publication - PDF;

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33.

Search for the Higgs boson decay to a $Z$ boson and a photon in $pp$ collisions at $\sqrt{s}=13$ TeV and $13.6$ TeV with the ATLAS detector / ATLAS Collaboration
A search for the Higgs boson decay to a $Z$ boson and a photon in the $\ell\ell\gamma$ ($\ell = e, \mu$) final state is performed using $pp$ collisions at $\sqrt{s}=13.6$ TeV recorded with the ATLAS detector at the Large Hadron Collider during 2022-2024, corresponding to an integrated luminosity of 165 fb$^{-1}$. [...]
arXiv:2507.12598 ; CERN-EP-2025-155. - 2025 - 43.
Fulltext - Previous draft version - Fulltext

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34.

First observation of the $\mathit{\Lambda}_b^{0}\!\rightarrow\mathit{\Lambda}_{c}^{+}D_{s}^{-}K^{+}K^{-}$ decay and search for pentaquarks in the $\mathit{\Lambda}_{c}^{+}D_{s}^{-}$ system / LHCb Collaboration
The $\mathit{\Lambda}_b^{0}\!\rightarrow\mathit{\Lambda}_{c}^{+}D_{s}^{-}K^{+}K^{-}$ decay is observed for the first time using the data sample from proton-proton collisions recorded at a center-of-mass energy of $13\,\text{TeV}$ with the LHCb detector, corresponding to an integrated luminosity of $6\,\text{fb}^{-1}$. The ratio of branching fraction to that of $\mathit{\Lambda}_b^{0} \!\rightarrow\mathit{\Lambda}_{c}^{+}D_{s}^{-}$ decays is measured as $0.0141 \pm 0.0019 \pm 0.0012$, where the first uncertainty is statistical and the second systematic. [...]
arXiv:2507.10713; LHCb-PAPER-2025-022; CERN-EP-2025-138; LHCB-PAPER-2025-022.- Geneva : CERN, 2025-09-01 - 24 p. - Published in : Phys. Rev. D 112 (2025) 052013 Fulltext: LHCb_PAPER_2025_022 - PDF; LHCb-PAPER-2025-022-figures - ZIP; 2507.10713 - PDF; publication - PDF;

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35.

Search for resonant leptoquark production via lepton–jet signatures in $pp$ collisions at $\sqrt{s} = 13$ TeV and $\sqrt{s} = 13.6$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a search for physics beyond the Standard Model targeting a heavy resonance visible in the invariant mass of the lepton–jet system. [...]
arXiv:2507.03650 ; CERN-EP-2025-142. - 2025 - 60.
Fulltext - Previous draft version - Fulltext

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36.

Evidence for the dimuon decay of the Higgs boson in $p\!p$ collisions with the ATLAS detector / ATLAS Collaboration
A search for the dimuon decay of the Higgs boson is presented based on $pp$ collision data recorded by ATLAS during Run 3 of the Large Hadron Collider, corresponding to an integrated luminosity of $165~\mathrm{fb}^{-1}$ at $\sqrt{s} = 13.6~\,\text{TeV}$ [...]
arXiv:2507.03595 ; CERN-EP-2025-149. - 2025 - 37.
Fulltext - Previous draft version - Fulltext

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37.

Measurements and interpretations of $W^{\pm}Z$ production cross-sections in $pp$ collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector / ATLAS Collaboration
Measurements of integrated and differential cross-sections for $W^{\pm}Z$ production in proton-proton collisions are presented. The data collected by the ATLAS detector at the Large Hadron Collider from 2015 to 2018 at a centre-of-mass energy of $\sqrt{s} =$ 13 TeV are used, corresponding to an integrated luminosity of 140 fb$^{-1}$. [...]
arXiv:2507.03500; CERN-EP-2025-145.- Geneva : CERN, 2025 - 64 p. - Published in : JHEP 2511 (2025) 006 Fulltext: ANA-STDM-2019-26-PAPER - PDF; 2507.03500 - PDF; document - PDF; External link: Previous draft version

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38.

Study of Higgs boson pair production in the $HH \rightarrow b \overline{b} \gamma \gamma$ final state with 308 fb$^{-1}$ of data collected at $\sqrt{s} = 13$ TeV and 13.6 TeV by the ATLAS experiment / ATLAS Collaboration
A search for Higgs boson pair production in the $b \bar{b} \gamma \gamma$ final state is performed. [...]
arXiv:2507.03495 ; CERN-EP-2025-140. - 2025 - 42.
Fulltext - Previous draft version - Fulltext

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39.

Measurement of the top-quark pole mass in dileptonic $t\bar{t}+ 1\text{-jet}$ events at $\sqrt{s}=13$ TeV with the ATLAS experiment / ATLAS Collaboration
A measurement of the top-quark pole mass $m_{t}^\text{pole}$ is presented in $t\bar{t}$~events with an additional jet, $t\bar{t}+1\text{-jet}$, produced in $pp$ collisions at $\sqrt{s}=13$ TeV. [...]
arXiv:2507.02632 ; CERN-EP-2025-135. - 2025 - 50.
Fulltext - Previous draft version - Fulltext

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40.

A search for dark matter produced in association with a dark Higgs boson decaying into a Higgs boson pair in 3$b$ or 4$b$ final states using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is performed for dark matter particles produced in association with a resonant pair of Higgs bosons using 140 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of 13 TeV recorded by the ATLAS detector at the Large Hadron Collider. This signature is expected in some extensions of the Standard Model predicting the production of dark matter particles, and is interpreted in terms of a dark Higgs model containing a $Z'$ mediator in which the dark Higgs boson $s$ decays into a pair of Higgs bosons. [...]
arXiv:2507.02175; CERN-EP-2025-141.- Geneva : CERN, 2025-09-08 - 48 p. - Published in : JHEP 2509 (2025) 067 Fulltext: 2507.02175 - PDF; document - PDF; External link: Previous draft version

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Vea también: autores con nombres similares
5	Zamora-Saa, J
14	Zamora-Saa, J.
5	Zamora-Saá, J
14	Zamora-Saá, J.
1	Zamora-Saá, J.A.
57	Zamora-Saá, Jilberto
5	Zamora-saa, J

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