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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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2025-06-18
08:56
Measurements of differential cross-sections of WbWb production in the dilepton channel in pp collisions at √s = 13 TeV using the ATLAS detector
At the Large Hadron Collider, the WbWb final state is expected to be dominated by tˉt production with a contribution from single-top processes. [...]
CERN-EP-2025-094. - 2025
Fulltext - Previous draft version - Full text

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2025-06-18
04:50
Flavoured jet algorithms: a comparative study / Behring, Arnd (Garching, Max Planck Inst.) ; Caletti, Simone (Zurich, ETH) ; Giuli, Francesco (Rome U., Tor Vergata ; INFN, Rome) ; Grabarczyk, Radoslaw (Oxford U. ; Oxford U., Theor. Phys.) ; Hinzmann, Andreas (DESY) ; Huss, Alexander (CERN) ; Huston, Joey (Michigan State U.) ; Lesser, Ezra D. (CERN) ; Marzani, Simone (Genoa U. ; INFN, Genoa) ; Napoletano, Davide (Milan Bicocca U. ; INFN, Milan Bicocca) et al.
The accurate identification of heavy-flavour jets, those which originate from bottom or charm quarks, is crucial for precision studies of the Standard Model and searches for new physics. [...]
CERN-TH-2025-113 ; IFJPAN-IV-2025-13 ; MCNET-25-14 ; MPP-2025-118 ; PUBDB-2025-01862 ; arXiv:2506.13449. - 2025-06-16 - 81.
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2025-06-18
04:35
Holistic approach and Advanced Color Singlet Identification for physics measurements at high energy frontier / Zhu, Yongfeng (Beijing, Inst. High Energy Phys. ; Peking U., SKLNPT) ; Liang, Hao (Ecole Polytechnique ; LTCI, Paris) ; Wang, Yuexin (Beijing, Inst. High Energy Phys.) ; Che, Yuzhi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS) ; Wang, Hengyu (Beijing, GUCAS) ; Zhou, Chen (Beijing, Inst. High Energy Phys. ; Peking U., SKLNPT) ; Qu, Huilin (CERN) ; Ruan, Manqi (Beijing, Inst. High Energy Phys. ; Beijing, GUCAS)
To enhance the discovery power of high-energy colliders, we propose a holistic approach and Advanced Color Singlet Identification (ACSI), both of which utilize inclusive reconstructed information as input. [...]
arXiv:2506.11783. - 2025-06-13 - 9.
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2025-06-18
04:33
Under-coverage in high-statistics counting experiments with finite MC samples / Alexe, Cristina-Andreea (Pisa, Scuola Normale Superiore ; INFN, Pisa) ; Bendavid, Joshua (CERN) ; Bianchini, Lorenzo (Pisa U. ; INFN, Pisa) ; Bruschini, Davide (Pisa, Scuola Normale Superiore ; INFN, Pisa)
We consider the problem of setting confidence intervals on a parameter of interest from the maximum-likelihood fit of a physics model to a binned data set with a large number of bins, large event-counts per bin, and in the presence of systematic uncertainties modeled as nuisance parameters. [...]
arXiv:2401.10542. - 47.
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2025-06-18
04:29
Probing the sensitivity of CTAO-N LSTs observations at large zenith angles to the multi-TeV gamma-ray emission from the inner 10 parsecs of the Galactic Center / Abe, Shotaro (Tokyo U., ICRR) ; Inada, Tomohiro (Tokyo U., ICRR ; Kyushu U., Fukuoka (main) ; CERN) ; Moulin, Emmanuel (IRFU, Saclay)
Observations of the Galactic Center using Imaging Atmospheric Cherenkov Telescopes (IACTs), such as H.E.S.S., MAGIC, and VERITAS, have revealed a very-high-energy (VHE, ≳100 GeV) gamma-ray source, HESS J1745−290, aligned with the dynamical center of the Milky Way. [...]
arXiv:2506.04074. - 16.
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2025-06-16
22:16
Search for nonresonant new physics signals in high-mass dilepton events produced in association with b-tagged jets in proton-proton collisions at √s= 13 TeV / CMS Collaboration
A search for nonresonant new physics phenomena in high-mass dilepton events produced in association with b-tagged jets is performed using proton-proton collision data collected in 2016-2018 by the CMS experiment at the CERN LHC, at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 138 fb−1. [...]
arXiv:2506.13565 ; CMS-EXO-23-010 ; CERN-EP-2025-044 ; CMS-EXO-23-010-003. - 2025-06-16 - 47 p, 47.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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2025-06-16
15:07
Measurement of the Ω0c and Ξ0c baryon lifetimes using hadronic b-baryon decays / LHCb Collaboration
The lifetimes of the Ω0c and Ξ0c baryons are measured using a pp collision dataset collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb−1. [...]
arXiv:2506.13334 ; LHCb-PAPER-2025-013 ; CERN-EP-2025-117 ; LHCB-PAPER-2025-013. - 2025-06-16 - 25 p, 25.
Fulltext - Related data file(s) - Full text - Full text - Fulltext

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2025-06-14
06:01
Discovering the Higgsino at CTAO-North within the Decade / Abe, Shotaro (Tokyo U., ICRR) ; Inada, Tomohiro (Tokyo U., ICRR ; Kyushu U., Fukuoka (main) ; CERN) ; Moulin, Emmanuel (IRFU, Saclay) ; Rodd, Nicholas L (UC, Berkeley ; LBL, Berkeley) ; Safdi, Benjamin R (UC, Berkeley ; LBL, Berkeley) ; Xu, Weishuang Linda (UC, Berkeley ; LBL, Berkeley ; KIPAC, Menlo Park ; SLAC)
We demonstrate that higgsino dark matter (DM) could be discovered within the next few years using the Cherenkov Telescope Array Observatory's soon-to-be-operational northern site (CTAO-North). [...]
arXiv:2506.08084. - 2025 - 10.
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2025-06-14
06:01
Space Charge in Circular Machines / Ferrario, Massimo (U. Rome La Sapienza (main) ; Frascati) ; Migliorati, Mauro (Frascati ; U. Rome La Sapienza (main)) ; Palumbo, Luigi (U. Rome La Sapienza (main) ; Frascati)
Space charge forces, which arise directly from the beam's charge distribution and include the influence of image charges and currents induced by interactions with a perfectly conducting, smooth pipe, are very important in high-intensity, low-energy accelerators. [...]
arXiv:2505.14091. - 2025 - 22.
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2025-06-14
06:01
Instabilities in Linear Accelerators / Ferrario, Massimo (U. Rome La Sapienza (main) ; Frascati) ; Migliorati, Mauro (U. Rome La Sapienza (main) ; Frascati) ; Palumbo, Luigi (U. Rome La Sapienza (main) ; Frascati)
As a charged particle beam moves through perfectly conducting structures with varying cross-sectional boundaries - such as RF cavities, tapers, bellows, kickers, ... [...]
arXiv:2505.14111. - 2025 - 19.
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