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2026-03-03
04:24
Fluctuations in atom interferometers as a new tool for dark matter / Murgui, Clara (CERN) ; Plestid, Ryan (CERN)
We propose the use of the super-binomial variance in the count rate of an atom interferometer as a novel signature of dark matter. [...]
CERN-TH-2026-024 ; arXiv:2602.23427. - 10.
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2026-03-02
17:03
Search for massive, long-lived particles in events with displaced vertices and displaced muons in $pp$ collisions at $\sqrt{s}=13.6$ TeV with the ATLAS experiment
A search is presented for massive long-lived particles in events featuring at least one displaced vertex and at least one displaced muon, using proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider from 2022 to 2024 at a centre-of-mass energy of 13.6 TeV. [...]
CERN-EP-2026-031. - 2026
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2026-02-28
06:34
Coherent Quantum Evaluation of Collider Amplitudes for Effective Field Theory Constraints / Haddad, Yacine (Bern U., LHEP ; CERN) ; Xu, Kaidi (Munich, Max Planck Inst. Quantenopt. ; Munich U., ASC ; MCQST, Munich) ; Croft, Vincent (Leiden U.) ; Halimeh, Jad C (Munich, Max Planck Inst. Quantenopt. ; Munich U., ASC ; MCQST, Munich ; Kyung Hee U.) ; Grossi, Michele (CERN)
Precision measurements at electron-positron colliders provide stringent tests of the Standard Model and powerful probes of possible higher-dimensional interactions. [...]
arXiv:2602.21311. - 2026
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2026-02-28
06:34
Optimization-based Unfolding in High-Energy Physics / Gasperini, Simone (U. Bologna (main) ; INFN, Bologna) ; Bianco, Gianluca (U. Bologna (main) ; INFN, Bologna) ; Lorusso, Marco (U. Bologna (main) ; INFN, Bologna) ; Rieger, Carla (Tech. U., Munich (main) ; CERN) ; Grossi, Michele (CERN)
In High-Energy Physics, unfolding is the process of reconstructing true distributions of physical observables from detector-distorted measurements. [...]
arXiv:2602.22776. - 2026 - 8.
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2026-02-28
06:34
NASDUCK': Laboratory Limits on Ultralight Dark-Photon Dark Matter with Null-Axis Magnetometry / Barir, Joel (Tel Aviv U.) ; Bloch, Itay M (CERN ; Technion) ; Goldszeft, Yair (Tel Aviv U.) ; Goldstein, Gal (Unlisted, IL) ; Feinberg, Constantine (Tel Aviv U.) ; Katz, Or (Cornell U.) ; Volansky, Tomer (Tel Aviv U.)
The dark photon is a well-motivated ultralight dark-matter candidate that may couple to the Standard Model through kinetic mixing. [...]
arXiv:2602.22308. - 2026 - 15.
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2026-02-28
04:06
Charmed nuclei and exotic charmed meson production at CBM@FAIR and ALICE@LHC / Chimruang, Thanaporn (Suranaree U. of Tech. ; Darmstadt, GSI) ; Herold, Christoph (Suranaree U. of Tech.) ; Limphirat, Ayut (Suranaree U. of Tech.) ; Yan, Yupeng (Suranaree U. of Tech.) ; Steinheimer, Jan (Darmstadt, GSI ; Frankfurt U.) ; Dönigus, Benjamin (Goethe U., Frankfurt (main)) ; Reichert, Tom (CERN) ; Vovchenko, Volodymyr (Houston U.) ; Bleicher, Marcus (Goethe U., Frankfurt (main) ; Helmholtz Res. Acad. Hesse for FAIR)
We make predictions for the expected multiplicities of exotic charmed hadrons and charmed nuclei in Au+Au collisions at SIS100 and LHC beam energies, using input on light hadron and charm production from the UrQMD transport model, and applying the Thermal-FIST model. [...]
arXiv:2602.22676 ; CERN-TH-2026-026. - 8.
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2026-02-28
04:03
Machine Learning on Heterogeneous, Edge, and Quantum Hardware for Particle Physics (ML-HEQUPP) / Gonski, Julia (SLAC) ; Ott, Jenni ; Abbaszadeh, Shiva (UC, Santa Cruz) ; Addepalli, Sagar (SLAC) ; Cremonesi, Matteo (Carnegie Mellon U.) ; Dickinson, Jennet (Cornell U., LNS) ; Di Guglielmo, Giuseppe (Fermilab ; Northwestern U.) ; Ertorer, Erdem Yigit (Carnegie Mellon U.) ; Gray, Lindsey (Fermilab) ; Herbst, Ryan (SLAC) et al.
The next generation of particle physics experiments will face a new era of challenges in data acquisition, due to unprecedented data rates and volumes along with extreme environments and operational constraints. [...]
FERMILAB-PUB-26-0135-CSAID-ETD-PPD ; arXiv:2602.22248. - 125.
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2026-02-27
14:53
Combination of ATLAS and CMS searches for Higgs boson pair production at $\sqrt{s} = 13$ TeV / ATLAS Collaboration
This Letter presents a combination of searches for Higgs boson pair (HH) production performed by the ATLAS and CMS Collaborations using proton-proton collision data sets recorded at $\sqrt{s} = 13$ TeV during the Large Hadron Collider Run 2, corresponding to integrated luminosities ranging between 126 and 140 $\mathrm{fb^{-1}}$. [...]
arXiv:2602.23991 ; CERN-EP-2026-011. - 2026 - 50 p, 50.
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2026-02-27
04:23
Atomic Spectroscopy Probes of New Physics / Delaunay, Cédric (Annecy, LAPTH) ; Karr, Jean-Philippe (Paris, Lab. Kastler Brossel ; Paris U., VI-VII) ; Soreq, Yotam (Technion ; CERN)
Precision spectroscopy has long played a central role in testing the foundations of physics, from the early insights that led to the development of quantum mechanics to the validation of quantum electrodynamics and the determination of fundamental constants. [...]
arXiv:2602.20750 ; CERN-TH-2026-028. - 30.
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2026-02-27
04:10
Modified Abelian Gauge Theories / Dierigl, Markus (CERN) ; Minasian, Ruben (IPhT, Saclay ; IRFU, SPhN, Saclay) ; Novičić, Dušan (Munich, Max Planck Inst.)
The topological properties of field configurations in gauge theory contain important data about the (generalized) global symmetries of the theory as well as potential inconsistencies in the form of gauge anomalies. [...]
arXiv:2602.21282 ; CERN-TH-2026-027. - 62.
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