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2024-05-17
21:39
Overview of high-density QCD studies with the CMS experiment at the LHC
The heavy ion (HI) physics program has proven to be an essential part of the overall physics program at the Large Hadron Collider at CERN. [...]
CERN-EP-2024-057 ; CMS-HIN-23-011-004. - 2024.
Additional information for the analysis - CMS AuthorList - Fulltext

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2024-05-17
04:35
$b \to c l \bar{\nu}$ decays at LHCb / Chen, Chen (Marseille, CPPM)
This report introduces two recent measurements of semileptonic $b$-hadron decays at the LHCb experiment, including a test of Lepton Flavour Universality (LFU) using $\bar{B}^0 \to D^{(*)+} l^- \bar{\nu}_l$ decays where $l\in\{\mu,\tau\}$, and a study of the $D^{*+}$ longitudinal polarisation in the $\bar{B}^0 \to D^{*+} \tau^- \bar{\nu}_\tau$ decay. [...]
arXiv:2405.08953. -
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2024-05-17
04:35
Updates on inclusive charmed and bottomed meson decays from the lattice / Kellermann, Ryan (KEK, Tsukuba) ; Barone, Alessandro (U. Mainz, PRISMA ; U. Southampton (main)) ; Hashimoto, Shoji (KEK, Tsukuba) ; Jüttner, Andreas (U. Southampton (main) ; CERN) ; Kaneko, Takashi (KEK, Tsukuba ; KMI, Nagoya)
With the development of lattice QCD in recent years, a determination of decay rates for inclusive semileptonic decays from lattice correlators now seems viable. [...]
arXiv:2405.06152. - 7 p.
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2024-05-16
08:37
Search for new physics in high-mass diphoton events from proton-proton collisions at $ \sqrt{s}= $ 13 TeV / CMS Collaboration
Results are presented from a search for new physics in high-mass diphoton events from proton-proton collisions at $ \sqrt{s}= $ 13 TeV. [...]
arXiv:2405.09320 ; CMS-EXO-22-024 ; CERN-EP-2024-109 ; CMS-EXO-22-024-003. - 2024.
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2024-05-16
04:26
Search for Vector-like Quark, Heavy Neutral Lepton and Long-lived Particles at ATLAS and CMS / Grancagnolo, Sergio (INFN, Lecce)
Several theories beyond the Standard Model (BSM) predict heavy neutral leptons, or long-lived particles with unique signatures which are difficult to reconstruct. [...]
arXiv:2405.08782. - 6 p.
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2024-05-16
04:24
Inclusive and differential cross-section measurements in tW with CMS in Run 3 / Rodríguez, Alejandro Soto (ICTEA, Oviedo)
The first measurements of the inclusive and normalised differential cross sections for the production of single top quarks in association with a W boson in proton-proton collisions at a centre-of-mass energy of 13.6 TeV are presented. [...]
arXiv:2405.08023. -
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2024-05-16
04:22
In Search of the Biggest Bangs since the Big Bang / Ellis, John ; Fairbairn, Malcolm ; Urrutia, Juan ; Vaskonen, Ville
Many galaxies contain supermassive black holes (SMBHs), whose formation and history raise many puzzles. [...]
KCL-PH-TH/2024-27 ; CERN-TH-2024-058 ; AION-REPORT/2024-04 ; arXiv:2405.08522. -
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2024-05-16
04:17
Status of Dark Photons / Cline, James M. (CERN ; McGill U.)
I review recent developments in the field of dark photons-here taken to be U(1) gauge bosons with mass less than the Z-including both kinetically mixed vectors and those that couple to anomaly-free U(1)'s. [...]
CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060 CERN-TH-2024-060CERN-TH-2024-060 CERN-TH-2024-060 ; arXiv:2405.08534. - 8 p.
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2024-05-16
04:17
Lepton-Pair Scattering With an Off-Shell and an On-Shell Photon at Two Loops in Massless QED / Zoia, Simone (CERN)
I present the computation of the two-loop amplitudes for the scattering of a lepton pair with an off-shell and an on-shell photon in massless QED. [...]
CERN-TH-2024-059 ; arXiv:2405.08750. - 4 p.
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2024-05-16
04:17
Giving a $KO$ to 8D Gauge Anomalies / Torres, Ethan (CERN)
In \cite{Garcia-Etxebarria:2017crf}, it was found that the system of $k$ D7-branes probing an $O7^+$-plane suffers from an $\mathfrak{sp}(k)$ gauge anomaly when $k>1$. [...]
CERN-TH-2024-054 ; arXiv:2405.08809. - 16 p.
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