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2025-06-10
05:08

Coherent photoproduction of $\rho^0, \omega$ and excited vector mesons in ultraperipheral PbPb collisions / LHCb Collaboration
The invariant-mass distribution for the coherent photoproduction of dipions in ultraperipheral PbPb collisions is measured using data, corresponding to an integrated luminosity of

224.6 \pm 9.6 μ

$224.6 \pm 9.6\ \mu$ b

^{- 1}

$^{-1}$ , collected by the LHCb experiment in 2018 at a nucleon-nucleon centre-of-mass energy

\sqrt{s_{N N}} = 5.02

$\sqrt{s_{\rm NN}}=5.02$ TeV. [...]
arXiv:2506.06250 ; CERN-EP-2025-106 ; LHCb-PAPER-2024-042. - 22.
Fulltext

Detaljerad journal

2025-06-09
22:17

Determination of the spin and parity of all-charm tetraquarks / CMS Collaboration
The traditional quark model accounts for the existence of baryons, such as protons and neutrons, which consist of three quarks, as well as mesons, composed of a quark-antiquark pair. [...]
CMS-BPH-24-002 ; CERN-EP-2025-118 ; arXiv:2506.07944 ; CMS-BPH-24-002-003. - 2025
Additional information for the analysis - CMS AuthorList - Fulltext - CMS HEPData - Fulltext

Detaljerad journal

2025-06-09
22:14

Search for the rare decay $\mathrm{D^0}\to\mu^{+}\mu^{-}$ in proton-proton collisions at $\sqrt{s} =$ 13.6 TeV / CMS Collaboration
A search for the rare decay

D^{0} \to μ^{+} μ^{-}

$\mathrm{D^0}\to\mu^{+}\mu^{-}$ is reported using proton-proton collision events at

\sqrt{s} =

$\sqrt{s} =$ 13.6 TeV collected by the CMS detector in 2022-2023, corresponding to an integrated luminosity of 64.5 fb

^{- 1}

$^{-1}$ . [...]
arXiv:2506.06152 ; CMS-BPH-23-008 ; CERN-EP-2025-108 ; CMS-BPH-23-008-003. - 2025-06-06 - 33 p, 33.
Additional information for the analysis - CMS AuthorList - Fulltext - CMS HEPData - Fulltext

Detaljerad journal

2025-06-06
09:19

traccc: GPU track reconstruction library for HEP experiments / Gessinger, Paul (CERN) ; Gray, Heather M. (UC, Berkeley ; LBL, Berkeley) ; Krasznahorkay, Attila (Massachusetts U., Amherst) ; Leggett, Charles (LBL, Berkeley) ; Niermann, Joana (CERN) ; Salzburger, Andreas (CERN) ; Swatman, Stephen Nicholas (CERN) ; Yeo, Beomki (UC, Berkeley ; LBL, Berkeley)
We present the current development status and progress of traccc, a GPU track reconstruction library developed in the context of the A Common Tracking Software (ACTS) project. [...]
arXiv:2505.22822. - 2025-05-28 - 8.
Fulltext

Detaljerad journal

2025-06-06
08:53

Observation of $t\bar{t}\gamma\gamma$ production at $\sqrt{s}=$ 13 TeV with the ATLAS detector / ATLAS Collaboration
This paper presents the first observation of top-quark pair production in association with two photons (

t \bar{t} γ γ

$t\bar{t}\gamma\gamma$ ). [...]
arXiv:2506.05018 ; CERN-EP-2025-125. - 2025 - 37.
Fulltext - Previous draft version - Fulltext

Detaljerad journal

2025-06-06
06:38

Backtracking AdS flux vacua / Apers, Fien (Oxford U., Theor. Phys. ; Oxford U.) ; Montero, Miguel (Madrid, IFT) ; Valenzuela, Irene (Madrid, IFT ; CERN)
We introduce an algorithm (dubbed "flux backtracking") to reverse-engineer the brane picture from an AdS flux vacuum. [...]
CERN-TH-2025-109 ; IFT-25-062 ; arXiv:2506.03314. - 24.
Fulltext

Detaljerad journal

2025-06-06
06:33

Synchronous and asynchronous Data Quality Control of the ALICE Inner Tracking System in the LHC Run 3 / Kushpil, Svetlana (Unlisted, CZ)
The Inner Tracking System (ITS) of the ALICE experiment at the CERN Large Hadron Collider (LHC) is the largest Monolithic Active Pixel Sensor technology application in high-energy physics. [...]
arXiv:2506.03212. - 4.
Fulltext

Detaljerad journal

2025-06-06
01:01

Futur collisionneur circulaire—Rapport d’étude de faisabilité, volume 3 : Génie civil, implantation et durabilité / Benedikt, M. (CERN) ; Zimmermann, F. (CERN) ; Auchmann, B. (CERN ; PSI, Villigen) ; Bartmann, W. (CERN) ; Burnet, J.P. (CERN) ; Carli, C. (CERN) ; Chancé, A. (IRFU, Saclay) ; Craievich, P. (PSI, Villigen) ; Giovannozzi, M. (CERN) ; Grojean, C. (DESY ; Humboldt U., Berlin) et al.
CERN-FCC-ACC-2025-0003-FR.- Geneva : CERN, 2025-03 - 357 p. - Published in : 10.17181/CERN.WE26.NJC0

Detaljerad journal

2025-06-05
07:25

Measurement of the Positive Muon Anomalous Magnetic Moment to 127 ppb / Muon g-2 Collaboration
A new measurement of the magnetic anomaly

a_{μ}

$a_{\mu}$ of the positive muon is presented based on data taken from 2020 to 2023 by the Muon

g - 2

$g-2$ Experiment at Fermi National Accelerator Laboratory (FNAL). [...]
arXiv:2506.03069 ; FERMILAB-PUB-25-0364-PPD. - 11.
Fermilab News article - YouTube - New York Times article - ScienceNews article - The Conversation article - Fermilab Library Server - BigThink article - AP News article - Fulltext - Fulltext

Detaljerad journal

2025-06-05
06:52

Resonant Island Trapping in a Fourth-Generation Synchrotron Light Source / Cortés García, E.C. (CERN ; DESY) ; Carmignani, N. (ESRF, Grenoble) ; Ewald, F. (ESRF, Grenoble) ; Antipov, S.A. (DESY) ; Scheidt, K. (ESRF, Grenoble) ; White, S. (ESRF, Grenoble) ; Agapov, I.V. (DESY)
We report the first direct observation of nonlinear resonance island trapping in a fourth-generation light source with working points far from the excited resonance and examine the nonlinear dynamics and properties of the trapped beam. [...]
arXiv:2505.12469. - 5.
Fulltext

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