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ABOUT PREPRINTS
The Preprints collection aims to cover as far as possible all the grey literature in particle physics and its related technologies. The collection contains something like 400,000 documents, out of which about 50% can be accessed electronically. The documents originate from a variety of institutes all over the world. The collection, currently available, starts in 1979 and it has a full coverage of the arXiv.org e-Print archive since its beginning in 1991.
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Preprints

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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 ; 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 p, 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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