CERN Accelerating science

SEE ALSO: PREPRINTS
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.

Preprints

Latest additions:
2026-05-12
04:12
$C\!P$ violation analysis of local and nonlocal amplitudes in the $\overline{B}^0 \to \overline{K}^{*0}μ^+μ^-$ decay / LHCb Collaboration
A search for $C\!P$ violation in the $\overline{B}^0 \to \overline{K}^{*0}μ^+μ^-$ decay is performed using proton--proton collision data collected by the LHCb experiment during Run 1 and Run 2, corresponding to an integrated luminosity of 8.4 fb$^{-1}$. [...]
LHCb-PAPER-2026-007 ; CERN-EP-2026-114 ; arXiv:2605.07582.
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2026-05-12
04:10
Neural Operators as Efficient Function Interpolators / Niarchos, Vasilis ; Sirbu, Angelos ; Trifinopoulos, Sokratis
Neural operators (NOs) are designed to learn maps between infinite-dimensional function spaces. [...]
CERN-TH-2026-096 ; CCTP-2026-8 ; ITCP-2026-8 ; arXiv:2605.07792.
- 12.
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2026-05-11
17:26
Lepton Flavor Violating Higgs decays at the Compact Linear Collider / Garay Walls, Francisca (Pontifical Catholic University of Chile (CL)) ; Vega Hernandez, Gabriel Andres (CERN) ; Roloff, Philipp Gerhard (CERN)
Lepton flavor violating Higgs decays could appear in scenarios beyond the Standard Model of particle physics. In this article, we study the sensitivity of a future Compact Linear Collider (CLIC) to such processes, namely, $h\rightarrow e\mu$, $h\rightarrow\tau\mu$, and $h\rightarrow e\tau$. [...]
CLICdp-Pub-2026-001.- Geneva : CERN, 2026 - 18. Fulltext: PDF;

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2026-05-11
11:38
Track and Vertex Reconstruction with the ATLAS Inner Detector / ATLAS Collaboration
Charged-particle reconstruction is a fundamental part of the event reconstruction in modern multi-purpose high-energy physics detectors. [...]
arXiv:2605.07585 ; CERN-EP-2026-096.
- 2026 - 74 p, 74.
Fulltext - Previous draft version - Fulltext

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2026-05-11
10:40
Evidence for the decay $B_s^0\to \phi \eta^\prime$ / LHCb Collaboration
Using a dataset corresponding to an integrated luminosity of $9 \,\textrm{fb}^{-1}$ collected in proton-proton collisions between 2011 and 2018 by the LHCb experiment, evidence is found for the decay $B^0_s\rightarrow\phi\eta'$ with $3.5 \sigma$ significance. [...]
arXiv:2605.07586 ; LHCb-PAPER-2026-002,CERN-EP-2026-104 ; LHCB-PAPER-2026-002.
- 2026
Fulltext - Related data file(s) - Full text - Fulltext

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2026-05-09
06:09
New particle formation from alpha pinene and trace sulfuric acid in the CERN CLOUD chamber / CLOUD Collaboration
New particle formation (NPF) contributes to about half of all cloud condensation nuclei worldwide (Gordon et al. [...]
2025 - 1.

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2026-05-09
06:09
Optical effects in Gaseous Electron Multipliers (GEMs) / Edgeman, D (UNM, Albuquerque) ; Brunbauer, F M (CERN) ; Gardner, M (UNM, Albuquerque) ; Loomba, D (UNM, Albuquerque) ; Majewski, P A (Imperial Coll., London ; Rutherford Appleton Laboratory) ; Marley, T (Imperial Coll., London) ; Millins, L (Birmingham U. ; Rutherford Appleton Laboratory) ; Neep, T (Birmingham U.) ; Nikolopoulos, K (Birmingham U. ; U. Hamburg (main)) ; Schueler, J (UNM, Albuquerque) et al.
Optical time projection chambers (OTPCs) are well suited for applications that require the highest spatial resolution for particle track reconstruction. [...]
arXiv:2604.27399.
- 2026 - 16.
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2026-05-09
06:09
Continuum contribution to charged-current absorption of low-energy $ν_e$ on $^{40}$Ar / Gardiner, Steven (Fermilab) ; Barham Alzás, Pablo (CERN) ; Nikolakopoulos, Alexis (Washington U., Seattle ; Gent U.) ; El-Haj, Luca H Abu (Fermilab ; Columbia U.) ; Jachowicz, Natalie (Gent U.) ; Pandey, Vishvas (Fermilab)
Accurate modeling of the absorption of tens-of-MeV $ν_e$ on $^{40}$Ar is needed to enable measurements of astrophysical neutrinos using large liquid argon time projection chamber (LArTPC) detectors, such as those planned for the Deep Underground Neutrino Experiment (DUNE). [...]
arXiv:2604.26801.
- 2026 - 27.
Fermilab Library Server - Fulltext

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2026-05-09
04:02
Perturbative, Nonperturbative and Exact Aspects of Crystalline Phases in the Gross-Neveu Model / Benini, Francesco (SISSA, Trieste ; INFN, Trieste) ; Mamroud, Ohad (SISSA, Trieste ; INFN, Trieste) ; Reis, Tomas (CERN) ; Serone, Marco (SISSA, Trieste ; INFN, Trieste)
We study the crystalline phase of the $O(2N)$ Gross--Neveu model with a chemical potential for $a \leq N-2$ of the fermions. [...]
CERN-TH-2026-102 ; arXiv:2605.05307.
- 61.
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2026-05-09
04:02
New measurement of $K^+\toπ^+ν\barν$ branching ratio at the NA62 experiment / Chang, Xiafei (LPHE, Lausanne)
The ultra-rare decay $K^+\toπ^+ν\barν$ is a golden mode in flavor physics. [...]
arXiv:2604.12649.
- 6.
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