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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
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 $\mathrm{fb^{-1}}$ [...]
CERN-EP-2026-011. - 2026
Fulltext - Previous draft version

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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. [...]
CERN-TH-2026-028 ; arXiv:2602.20750. - 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. [...]
CERN-TH-2026-027 ; arXiv:2602.21282. - 62.
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2026-02-27
04:10
X-ray reflection: a FLUKA model and its application in the design of synchrotron light beamlines and CERN's Future Circular Collider / Mazzola, Giuseppe (CERN) ; Chitra, Sunil (Argonne) ; Devienne, Arnaud (CERN) ; Frasca, Alessandro (CERN ; Liverpool U.) ; Fusté, María José García (CELLS - ALBA, LLS) ; Heinis, Dominique (CELLS - ALBA, LLS) ; Lechner, Anton (CERN) ; Lerner, Giuseppe (CERN) ; Rebuffi, Luca (Argonne) ; del Rio, Manuel Sanchez (ESRF, Grenoble) et al.
Relying on atomic scattering factors from evaluated databases, a new model for the reflectivity of x rays on solid surfaces has been developed for FLUKA v4-6.0. [...]
arXiv:2602.09672. - 14.
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2026-02-26
16:47
System-size dependence of charged-particle suppression in ultrarelativistic nucleus-nucleus collisions
High-energy partons lose energy while propagating through the hot, strongly interacting medium produced in ultrarelativistic nucleus-nucleus collisions, leading to a suppression of particle production at high transverse momentum ($ p_{\mathrm{T}} $). [...]
CERN-EP-2026-032 ; CMS-HIN-25-014-003. - 2026
Additional information for the analysis - CMS AuthorList - Fulltext

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2026-02-26
16:43
Observation of the jet diffusion wake using dijets in heavy ion collisions
Energetic quarks and gluons traversing a hot and dense quark-gluon plasma deposit energy and momentum into the medium before hadronizing to collimated sprays of particles, known as jets. [...]
CERN-EP-2026-017 ; CMS-HIN-25-012-003. - 2026
Additional information for the analysis - CMS AuthorList - Fulltext

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2026-02-26
07:31
Earth Matter Enhanced Axion Dark Matter Search / Huang, Xiaofei (Beihang U.) ; Ma, Xiaolin (QUP, Tsukuba ; KEK, Tsukuba ; Taiwan, Natl. Central U.) ; Xu, Zitong (Nanyang Technol. U.) ; Bloch, Itay M (CERN ; Technion) ; Wei, Kai (Beihang U. ; Sci. Tech. U., Beijing ; USTC, Hefei)
Laboratory searches for ultralight axion dark matter (DM) have traditionally assumed the terrestrial density of axions is equal to the average density of DM in the solar system. [...]
KEK-QUP-2026-0001 ; arXiv:2602.20260. - 2026 - 19.
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2026-02-26
05:25
Observation of the jet diffusion wake using dijets in heavy ion collisions / CMS Collaboration
Energetic quarks and gluons traversing a hot and dense quark-gluon plasma deposit energy and momentum into the medium before hadronizing to collimated sprays of particles, known as jets. [...]
CMS-HIN-25-012 ; CERN-EP-2026-017 ; arXiv:2602.19431. -
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2026-02-25
21:35
Search for pair production of heavy resonances in final states with a photon and large-radius jets in proton-proton collisions at $ \sqrt{s}= $ 13 TeV / CMS Collaboration
A search for the pair production of heavy spin-1$/$2 or spin-3$/$2 resonances ($\mathrm{t}$*) in proton-proton collisions at $ \sqrt{s}= $ 13 TeV is presented. [...]
arXiv:2602.20477 ; CMS-B2G-24-006 ; CERN-EP-2026-005 ; CMS-B2G-24-006-003. - 2026 - 41.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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2026-02-25
06:55
Superconducting Accelerator Magnets / Sanfilippo, Stephane (PSI, Villigen)
This course introduces key aspects of superconducting magnet technology in accelerators: basic principles, superconducting materials (NbTi, Nb$_3$Sn, ReBCO), wire and cable architectures, and fabrication methods. [...]
arXiv:2602.19830. - 2026 - 35.
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