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2026-03-21
04:26
High-Frequency Gravitational Waves from Phase Transitions in Nascent Neutron Stars / Bleau, Katarina (U. Mainz, PRISMA ; Mainz U.) ; Kopp, Joachim (U. Mainz, PRISMA ; CERN ; Mainz U.) ; Lee, Jiheon (CERN ; KAIST, Taejon) ; van de Vis, Jorinde (CERN)
Tentative evidence suggests that the cores of massive neutron stars consist of deconfined quark matter. [...]
arXiv:2603.18153. - 12.
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2026-03-21
04:24
Searching solo for the invisible at Compact Muon Solenoid (CMS) / Mallampalli, Abhishikth
Despite the success of the Standard Model (SM), several fundamental questions remain unanswered, such as the nature of dark matter (DM), motivating searches for new physics. [...]
arXiv:2603.11070. -
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2026-03-21
04:23
Searching for dark matter X-ray lines from the Large Magellanic Cloud with eROSITA / Terol Calvo, Jorge (INFN, Turin) ; Taoso, Marco (INFN, Turin) ; Caputo, Andrea (CERN ; Rome U. ; Weizmann Inst.) ; Negro, Michela (Louisiana State U., Math. Dept.) ; Regis, Marco (INFN, Turin ; Turin U.)
We perform a search for an X-ray monochromatic line arising from dark matter (DM) decay in the halo of the Large Magellanic Cloud. [...]
arXiv:2603.19109. - 16.
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2026-03-20
18:17
Evidence of Higgs boson inclusive production at high transverse momentum decaying to a pair of $b$-quarks with the ATLAS detector
This letter reports on the first evidence of Higgs-boson production at high transverse momentum in the $b\bar{b}$ final state, reconstructed in a single large-radius jet. [...]
CERN-EP-2026-082. - 2026
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2026-03-20
04:17
The gravitational S-matrix from the path integral: asymptotic symmetries and soft theorems / Isen, Jack (UCLA, Los Angeles (main)) ; Kraus, Per (UCLA, Los Angeles (main)) ; Monten, Ruben (CERN) ; Myers, Richard M. (Amsterdam U.)
We extend a previously developed formulation of the S-matrix, based on a path integral with asymptotic boundary conditions, to include gravity. [...]
CERN-TH-2026-044 ; arXiv:2603.17045. - 59.
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2026-03-20
04:17
$K π$ scattering as a step towards $B \to K^* \ell^+ \ell^-$ from Lattice QCD / Erben, Felix (CERN) ; Black, Matthew (U. Edinburgh (main)) ; Boyle, Peter (Brookhaven Natl. Lab. ; U. Edinburgh (main)) ; Di Carlo, Matteo (CERN) ; Gülpers, Vera (U. Edinburgh (main)) ; Hansen, Maxwell T. (U. Edinburgh (main)) ; Lachini, Nelson Pitanga (Cambridge U. (main)) ; Mukherjee, Rajnandini (U. Edinburgh (main)) ; Portelli, Antonin (U. Edinburgh (main)) ; Tsang, J. Tobias (U. Liverpool (main))
Rare $b\to s\ell^+\ell^-$ decays provide some of the most sensitive tests of the Standard Model and require precise and systematically improvable hadronic input from lattice QCD. [...]
CERN-TH-2026-053 ; arXiv:2603.17900. -
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2026-03-19
16:17
Combined effective field theory interpretation of measurements sensitive to quartic gauge boson couplings in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A combination of measurements sensitive to anomalous quartic electroweak gauge boson couplings is presented using proton-proton collision data collected by the ATLAS detector at $\sqrt{s} = 13$ TeV at the LHC. [...]
arXiv:2603.18630 ; CERN-EP-2026-076. - 2026 - 35.
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2026-03-19
11:27
Measurement of hadronic form-factor parameters with an angular analysis of $B^0 \rightarrow D^{*-} \mu^{+} \nu_{\mu}$ decays /LHCb Collaboration
The hadronic form-factor parameters of the $B^{0}\to D^{\ast-} \mu^{+} \nu_\mu$ decay are determined from a differential analysis of the decay rate in dilepton momentum squared, $q^2$, the three helicity angles and the squared invariant mass of the visible system, $m^2_{miss}$. The data sample used corresponds to an integrated luminosity of 3.0 fb$^{-1}$ collected by the LHCb experiment in proton-proton collisions at centre-of-mass energies 7 TeV and 8 TeV [...]
LHCb-CONF-2026-001; CERN-LHCb-CONF-2026-001.- Geneva : CERN, 2026 - mult.p. Fulltext: LHCb-CONF-2026-001 - PDF; LHCb-CONF-2026-001-figures - ZIP;
In : 60th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, It, 15 - 22 Mar 2026

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2026-03-19
04:06
Shocks from Exploding Primordial Black Holes in the Early Universe / Vanvlasselaer, Miguel (Brussels U., IIHE ; U. Barcelona (main)) ; Trifinopoulos, Sokratis (MIT ; CERN ; Zurich U.) ; Klipfel, Alexandra P. (MIT) ; Kaiser, David I. (MIT)
We investigate how Hawking radiation from low-mass primordial black holes deposits energy into the early-universe plasma and show that the resulting phenomena are hydrodynamic rather than purely diffusive. [...]
CERN-TH-2026-048 ; MIT-CTP/5978 ; arXiv:2603.15746. - 34.
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2026-03-19
04:03
Latin American HECAP Physics Briefing Book 2025 / Acero, Mario A. (U. Atlantico, Barranquilla) ; Aguilar-Arevalo, Alexis A. (UNAM, Mexico) ; Andrada, Belén (Buenos Aires, CONICET) ; Larriva, Andrés Baquero (U. del Azuay, Cuenca) ; Cambiaso, Mauro (Andres Bello Natl. U.) ; Carrera, Edgar (San Francisco de Quito U.) ; Cruz, Melissa (Honduras U.) ; Duarte, Lucía (Republica U., Montevideo) ; Estrada, Juan (Brookhaven) ; Gago, Alberto (Lima, Pont. U. Catolica) et al.
The first process for the Latin American Strategy Forum for Research Infrastructure for High Energy, Cosmology and Astroparticle Physics (LASF4RI-HECAP) came to a conclusion in October 2020, with a Physics Briefing Book (PBB) presented in (2104.06852). [...]
arXiv:2603.06291. - 135.
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