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2025-05-22
10:01
Measurement of the $Z$-boson mass
The first dedicated $Z$-boson mass measurement at the LHC with $Z \to \mu^+\mu^-$ decays is reported. [...]
CERN-EP-2025-111 ; arXiv:2505.15582 ; LHCB-PAPER-2025-008. - 2025
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2025-05-22
06:29
Automatic and effective discovery of quantum kernels / Incudini, Massimiliano (Verona U.) ; Bosco, Daniele Lizzio (Udine U. ; U. Naples (main)) ; Martini, Francesco (Verona U.) ; Grossi, Michele (CERN) ; Serra, Giuseppe (Udine U.) ; Di Pierro, Alessandra (Verona U.)
Quantum computing can empower machine learning models by enabling kernel machines to leverage quantum kernels for representing similarity measures between data. [...]
arXiv:2209.11144. - 2024 - 10.
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2025-05-22
04:46
Building Next-to-Next Leading Logarithmic parton showers: the PanScales recipe / Ferrario Ravasio, Silvia (CERN)
Parton showers lie at the core of Shower Monte Carlo event generators, the default theoretical tools used to interpret collider data. [...]
CERN-TH-2025-102 ; arXiv:2505.13395. - 4.
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2025-05-22
04:45
Searching for Light Dark Matter and Dark Sectors with the NA64 experiment at the CERN SPS / NA64 Collaboration
Since its approval in 2016, NA64 has pioneered light dark matter (LDM) searches with electron, positron, muon, and hadron beams. [...]
arXiv:2505.14291. - 15.
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2025-05-22
04:42
Investigating quarkonium collectivity in heavy-ion collisions / Torres, Victor Valencia (SUBATECH, Nantes)
The quark-gluon plasma (QGP) produced in ultrarelativistic heavy-ion collisions has exhibited properties of a mostly perfect fluid. [...]
arXiv:2505.13892. -
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2025-05-22
04:41
Antinuclei from Primordial Black Holes / De Romeri, Valentina (Valencia U., IFIC) ; Donato, Fiorenza (Turin U. ; CERN) ; Maurin, David (LPSC, Grenoble) ; Stefanuto, Lorenzo (Turin U.) ; Tolino, Agnese (Valencia U., IFIC)
Light primordial black holes (PBHs) may have originated in the early Universe, and could contribute to the dark matter in the Universe. [...]
arXiv:2505.04692. - 22.
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2025-05-22
04:41
Performance of short and long bent crystals for the TWOCRYST experiment at the Large Hadron Collider / Bandiera, L. (INFN, Ferrara) ; Cai, R. (CERN) ; Carsi, S. (Milan Bicocca U. ; Insubria U., Como) ; Cesare, S. (INFN, Milan ; Milan U.) ; Dewhurst, K.A. (CERN ; DAPNIA, Saclay ; Oslo U.) ; D'Andrea, M. (CERN ; INFN, Padua) ; De Salvador, D. (INFN, Legnaro ; U. Coll. London) ; Gandini, P. (INFN, Milan) ; Guidi, V. (INFN, Ferrara ; Ferrara U.) ; Hermes, P. (CERN) et al.
This study investigates the performance of bent silicon crystals intended to channel hadrons in a fixed-target experiment at the Large Hadron Collider (LHC). [...]
arXiv:2505.14365. - 14.
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2025-05-21
13:57
Measurements of charmed meson and antimeson production asymmetries at $\sqrt{s} =13.6$ TeV / LHCb Collaboration
This article presents doubly differential measurements of the asymmetries in production rates between mesons containing a charm quark and those containing an anticharm quark in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=13.6$ TeV using data recorded by the LHCb experiment. [...]
arXiv:2505.14494 ; LHCb-PAPER-2024-052 ; CERN-EP-2025-087 ; LHCB-PAPER-2024-052. - 2025 - 43.
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2025-05-21
04:09
Extended scalar sectors from all angles -- Mostly at lepton colliders / Robens, Tania (Boskovic Inst., Zagreb ; CERN)
I briefly discuss the current state of the art for models with extended scalar sectors and give examples for corresponding investigations, with a focus on processes at lepton colliders..
RBI-ThPhys-2025-20 ; CERN-TH-2025-082 ; arXiv:2504.11969. - 11.
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2025-05-21
04:09
Measurement of $\eta\to\pi^{0}\gamma\gamma$ branching fraction with the KLOE detector / KLOE-2 Collaboration
We present a measurement of the radiative decay $\eta\to\pi^0\gamma\gamma$ using 82 million $\eta$ mesons produced in $e^+e^-\to\phi\to\eta\gamma$ process at the Frascati $\phi$-factory DA$\Phi$NE. [...]
arXiv:2505.09285. - 16.
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