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2024-06-08
04:58
Comprehensive analysis of local and nonlocal amplitudes in the $B^0\rightarrow K^{*0}\mu^+\mu^-$ decay / LHCb Collaboration
A comprehensive study of the local and nonlocal amplitudes contributing to the decay $B^0\rightarrow K^{*0}(\to K^+\pi^-) \mu^+\mu^-$ is performed by analysing the phase-space distribution of the decay products. [...]
arXiv:2405.17347 ; LHCb-PAPER-2024-011 ; CERN-EP-2024-122. -
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2024-06-08
04:58
Measurement of the branching fraction ratios $R(D^{+})$ and $R(D^{*+})$ using muonic $\tau$ decays / LHCb Collaboration
The branching fraction ratios of $\overline{B}^0\to D^+\tau^-\overline{\nu}_{\tau}$ and $\overline{B}^0\to D^{*+}\tau^-\overline{\nu}_{\tau}$ decays are measured with respect to their muonic counterparts, using a data sample corresponding to an integrated luminosity of 2.0 fb$^{-1}$ collected by the LHCb experiment in proton-proton collisions at $\sqrt{s} = 13$ TeV. [...]
arXiv:2406.03387 ; LHCb-PAPER-2024-007 ; CERN-EP-2024-125. - 22 p.
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2024-06-08
04:56
Recursion for Wilson-line Form Factors / Cohen, Timothy (CERN ; EPFL, Lausanne, LPTP ; U. Oregon, Eugene (main)) ; Riembau, Marc (CERN)
Matrix elements of Wilson-line dressed operators play a central role in the factorization of soft and collinear modes in gauge theories. [...]
CERN-TH-2024-069 ; arXiv:2406.03540. - 28 p.
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2024-06-07
21:24
Search for a resonance decaying to a W boson and a photon in proton-proton collisions at $ \sqrt{s} = $ 13 TeV using leptonic W boson decays
A search for a new charged particle X with mass between 0.3 and 2.0 TeV decaying to a W boson and a photon is presented, using proton-proton collision data at a center-of-mass energy of 13 TeV, collected by the CMS experiment and corresponding to an integrated luminosity of 138 fb$ ^{-1} $. [...]
CERN-EP-2024-143 ; CMS-EXO-21-017-003. - 2024.
Additional information for the analysis - CMS AuthorList - Fulltext

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2024-06-07
20:24
Measurement of inclusive and differential cross sections for W$^{+}$W$^{-}$ production in proton-proton collisions at $ \sqrt{s} = $ 13.6 TeV
Measurements at $ \sqrt{s}= $ 13.6 TeV of the opposite-sign W boson pair production cross section in proton-proton collisions are presented. [...]
CERN-EP-2024-129 ; CMS-SMP-24-001-003. - 2024.
Additional information for the analysis - CMS AuthorList - Fulltext - CMS HEPData

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2024-06-07
08:52
Observation of $ {\gamma\gamma\to\tau\tau} $ in proton-proton collisions and limits on the anomalous electromagnetic moments of the $ \tau $ lepton
The production of a pair of $ \tau $ leptons via photon-photon fusion, $ {\gamma\gamma\to\tau\tau} $, is observed for the first time in proton-proton collisions, with a significance of 5.3 standard deviations. [...]
CMS-SMP-23-005 ; CERN-EP-2024-127 ; arXiv:2406.03975 ; CMS-SMP-23-005-003. - 2024. - 34 p, 34 p.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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2024-06-07
08:48
Observation of quantum entanglement in top quark pair production in proton-proton collisions at $ \sqrt{s}= $ 13 TeV / Collaboration, The Cms
Entanglement is an intrinsic property of quantum mechanics and is predicted to be exhibited in the particles produced at the Large Hadron Collider. [...]
arXiv:2406.03976 ; CMS-TOP-23-001 ; CERN-EP-2024-137 ; CMS-TOP-23-001-003. - 2024. - 53 p, 53 p.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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2024-06-07
04:47
Les Houches 2023: Physics at TeV Colliders: Standard Model Working Group Report / Andersen, J. (Durham U., IPPP) ; Assi, B. (Fermilab) ; Asteriadis, K. (Regensburg U.) ; Azzurri, P. (INFN, Pisa) ; Barone, G. (Brown U.) ; Behring, A. (CERN) ; Benecke, A. (Louvain U., CP3) ; Bhattacharya, S. (Wayne State U.) ; Bothmann, E. (Gottingen U.) ; Caletti, S. (Zurich, ETH) et al.
This report presents a short summary of the activities of the "Standard Model" working group for the "Physics at TeV Colliders" workshop (Les Houches, France, 12-30 June, 2023)..
arXiv:2406.00708 ; DESY-24-076. - 53 p.
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2024-06-07
04:46
Primordial gravitational wave backgrounds from phase transitions with next generation ground based detectors / Caprini, Chiara (Geneva U., Dept. Theor. Phys. ; CERN) ; Pujolàs, Oriol (Barcelona, IFAE) ; Quelquejay-Leclere, Hippolyte (APC, Paris) ; Rompineve, Fabrizio (Barcelona, IFAE ; Barcelona, Autonoma U.) ; Steer, Danièle A. (CERN ; APC, Paris ; Ecole Normale Superieure ; U. PSL)
Third generation ground-based gravitational wave (GW) detectors, such as Einstein Telescope and Cosmic Explorer, will operate in the $(\text{few}-10^4)$ Hz frequency band, with a boost in sensitivity providing an unprecedented reach into primordial cosmology. [...]
arXiv:2406.02359. - 53 p.
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2024-06-07
04:43
Human-in-the-loop Reinforcement Learning for Data Quality Monitoring in Particle Physics Experiments / Parra, Olivia Jullian (CERN) ; García Pardiñas, Julián (CERN) ; Pérez, Lorenzo Del Pianta (CERN) ; Janisch, Maximilian (Zurich U.) ; Klaver, Suzanne (Vrije U., Amsterdam) ; Lehéricy, Thomas (Zurich U.) ; Serra, Nicola (Zurich U.)
Data Quality Monitoring (DQM) is a crucial task in large particle physics experiments, since detector malfunctioning can compromise the data. [...]
arXiv:2405.15508. - 18 p.
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