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2024-05-05
10:21
Girth and groomed radius of jets recoiling against isolated photons in lead-lead and proton-proton collisions at $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 5.02 TeV
This Letter presents the first measurements of the groomed jet radius $ R_{\mathrm{g}} $ and the jet girth $ g $ in events with an isolated photon recoiling against a jet in lead-lead (PbPb) and proton-proton (pp) collisions at the LHC at a nucleon-nucleon center-of-mass energy of 5.02 TeV. [...]
CERN-EP-2024-073 ; CMS-HIN-23-001-003. - 2024.
Additional information for the analysis - CMS AuthorList - Fulltext

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2024-05-04
04:29
Femtoscopy with Lévy sources at NA61/SHINE / Porfy, Barnabas
In the recent decades of high-energy physics research, it was demonstrated that strongly interacting quark-gluon plasma (sQGP) is created in ultra-relativistic nucleus-nucleus collisions. [...]
arXiv:2405.01061. - 7 p.
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2024-05-03
04:13
Two-loop mixed QCD-EW corrections to charged current Drell-Yan / Armadillo, Tommaso (Louvain U., CP3 ; Milan U.) ; Bonciani, Roberto (Rome U.) ; Devoto, Simone (Milan U. ; Gent U.) ; Rana, Narayan (NISER, Jatni) ; Vicini, Alessandro (Milan U. ; CERN)
We present the two-loop mixed strong-electroweak virtual corrections to the charged current Drell-Yan process. [...]
TIF-UNIMI-2024-3 ; CERN-TH-2024-047 ; arXiv:2405.00612. - 26 p.
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2024-05-02
15:37
First observation of $Λ_{b}^{0} \rightarrow Σ_c^{(*)++} D^{(*)-} K^{-}$ decays / LHCb Collaboration
The four decays, $\Lambda_{b}^{0} \rightarrow \Sigma_c^{(*)++} D^{(*)-} K^{-}$, are observed for the first time using proton-proton collision data collected with the LHCb detector at a centre-of-mass energy of $13\,\rm{TeV}$, corresponding to an integrated luminosity of $6\,\rm{fb}^{-1}$. [...]
arXiv:2404.19510 ; LHCb-PAPER-2023-044 ; CERN-EP-2024-098. - 2024. - 21 p, 21 p.
Fulltext - Related data file(s) - Supplementary information - Fulltext

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2024-05-02
12:26
Beam-induced backgrounds measured in the ATLAS detector during local gas injection into the LHC beam vacuum
Inelastic beam-gas collisions at the Large Hadron Collider (LHC), within a few hundred metres of the ATLAS experiment, are known to give the dominant contribution to beam backgrounds [...]
CERN-EP-2024-113. - 2024.
Fulltext - Previous draft version

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2024-05-02
11:55
Amplitude analysis and branching fraction measurement of $B^{+} \to D^{*-}D_{s}^{+}\pi^{+}$ decays / LHCb Collaboration
The decays of the $B^{+}$ meson to the final state $D^{*-}D^{+}_{s}\pi^{+}$ are studied in proton-proton collision data collected with the LHCb detector at centre-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb$^{-1}$. [...]
arXiv:2405.00098 ; LHCb-PAPER-2024-001 ; CERN-EP-2024-110. - 2024. - 41 p.
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2024-05-02
08:44
Search for new resonances decaying to pairs of merged diphotons in proton-proton collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
A search is presented for an extended Higgs sector with two new particles, $ \mathrm{X} $ and $ \phi $, in the process $ \mathrm{X} \to \phi\phi \to (\gamma\gamma)(\gamma\gamma) $. [...]
arXiv:2405.00834 ; CMS-EXO-22-022 ; CERN-EP-2024-101 ; CMS-EXO-22-022-003. - 2024. - 33 p, 33 p.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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2024-05-02
04:24
AGN constraints on neutrino-dark matter scattering / Cline, James M. (CERN ; McGill U.)
The IceCube collaboration has identified neutrinos of energy $\sim 10-100$ TeV from the blazar TXS 0506+056 and the active galaxy NGC 1068, which must have traveled through a dense dark matter spike surrounding the supermassive black holes that power the galactic nuclei. [...]
CERN-TH-2024-053 ; arXiv:2404.19471. - 1 p.
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2024-04-30
08:07
Search for heavy neutral Higgs bosons decaying into a top quark pair in 140 fb$^{-1}$ of proton–proton collision data at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for heavy pseudo-scalar ($A$) and scalar ($H$) Higgs bosons decaying into a top-quark pair ($t\bar{t}$) has been performed with 140 fb$^{-1}$ of proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=13$ TeV. [...]
arXiv:2404.18986 ; CERN-EP-2024-090. - 2024. - 71 p.
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2024-04-29
11:10
Search for the Z boson decay to $ \tau\tau\mu\mu $ in proton-proton collisions at $ \sqrt{s}= $ 13 TeV / CMS Collaboration
The first search for the $\mathrm{Z}$ boson decay to $ \tau\tau\mu\mu $ at the CERN LHC is presented, based on data collected by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 138 fb$ ^{-1} $. [...]
arXiv:2404.18298 ; CMS-SMP-22-016 ; CERN-EP-2024-107 ; CMS-SMP-22-016-003. - 2024. - 33 p.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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