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2026-01-09
10:52
Search for long-lived particles using displaced vertices of oppositely charged leptons in 140 fb$^{-1}$ of pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search is presented for long-lived particles decaying into an oppositely charged lepton pair, $\mu^{+}\mu^{-}$, $e^{+}e^{-}$, or $e^{\pm}\mu^{\mp}$, that form a vertex within the inner tracking system of the ATLAS detector at the Large Hadron Collider, displaced from the primary proton-proton interaction region. [...]
CERN-EP-2025-293. - 2026
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2026-01-09
06:42
A wide-field X-ray search for the Geminga pulsar halo with SRG/ART-XC / Krivonos, Roman (Moscow, Space Res. Inst.) ; Manconi, Silvia (Annecy, LAPTH ; Unlisted, CH) ; Arefiev, Vadim (Moscow, Space Res. Inst.) ; Bykov, Andrei (Ioffe Phys. Tech. Inst.) ; Donato, Fiorenza (U. Turin (main) ; INFN, Turin ; CERN) ; Filippova, Ekaterina (Moscow, Space Res. Inst.) ; Lutovinov, Alexander (Moscow, Space Res. Inst.) ; Di Mauro, Mattia (INFN, Turin) ; Mori, Kaya (Columbia U. (main)) ; Tkachenko, Alexey (Moscow, Space Res. Inst.) et al.
Searches for the putative large-scale X-ray halo around the Geminga pulsar have been extensively performed using various narrow field-of-view X-ray telescopes. [...]
arXiv:2512.13846. - 2025 - 7.
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2026-01-09
06:42
Production of charmed particles in proton-proton and light nucleus-nucleus interactions in Geant4 FTF model / Galoyan, A (Dubna, JINR) ; Ribon, A (CERN) ; Uzhinsky, V (Dubna, JINR)
The total yield of neutral D-mesons (4$π$) in central Xe+La interactions at 150 GeV per nucleon has been calculated within the Geant4 FTF model. [...]
arXiv:2512.21184. - 2025 - 9.
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2026-01-09
04:06
Constraining Dark Acoustic Oscillations with the High-Redshift UV Luminosity Function / Barron, Jared (Stony Brook U.) ; Curtin, David (U. Toronto (main) ; CERN) ; Liu, Hongwan (Boston U. (main)) ; Munoz, Julian (U. Texas, Austin (main)) ; Roy, Sandip (UC, San Diego (main))
Dark acoustic oscillations (DAOs) in the matter power spectrum can arise in many different dark sector models, and can imprint on a variety of cosmological observables. [...]
arXiv:2512.01998. - 33.
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2026-01-09
04:06
Pixel response characterization of the ARCADIA Fully Depleted MAPS / Pantouvakis, C. (U. Padua (main) ; INFN, Padua) ; Rignanese, M. (U. Padua (main) ; INFN, Padua) ; Zenger, T. (Fermilab) ; Ciarlantini, S. (INFN, Padua ; U. Padua (main)) ; Zingaretti, A. (U. Padua (main) ; INFN, Padua) ; Azzi, P. (INFN, Padua) ; Bonini, C. (INFN, Padua ; U. Padua (main)) ; Chiappara, D. (U. Padua (main) ; INFN, Padua ; CERN) ; Mattiazzo, S. (U. Padua (main) ; INFN, Padua) ; Pantano, D. (U. Padua (main) ; INFN, Padua) et al.
Monolithic Active Pixel Sensors (MAPS) achieved widespread use in several scientific applications, thanks to their properties, such as low material budget and high granularity. [...]
FERMILAB-PUB-25-0943-ETD-PPD ; arXiv:2512.15289. - 16.
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2026-01-09
04:02
Simulating quantum electrodynamics in 2+1 dimensions with qubits and qumodes / Ale, Victor (U. Tennessee, Knoxville) ; Rainaldi, Tommaso (Stony Brook U.) ; Rico, Enrique (CERN) ; Ringer, Felix (Stony Brook U.) ; Siopsis, George (U. Tennessee, Knoxville)
We develop a hybrid qubit-qumode framework for simulating quantum electrodynamics in 2+1 dimensions. [...]
arXiv:2511.14506. - 38.
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2026-01-09
04:01
Continuous Family of Conformal Field Theories and Exactly Marginal Operators / Komatsu, Shota (CERN) ; Kusuki, Yuya (Kyushu U., Fukuoka (main) ; Wako, RIKEN) ; Meineri, Marco (INFN, Turin) ; Ooguri, Hirosi (Caltech, Pasadena (main) ; U. Tokyo (main))
Does a conformal manifold imply the existence of exactly marginal operators? We answer this question affirmatively under the assumption that there exists a conformal interface with certain properties connecting nearby CFTs. [...]
CALT 2025-041 ; IPMU 25-0054 ; KYUSHU-HET-333 ; RIKEN-iTHEMS-Report-25 ; arXiv:2512.11045. - 8.
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2026-01-09
04:01
Constraining r-process nucleosynthesis via enhanced accuracy neutron-capture experiments / Domingo-Pardo, C. (U. Valencia (main)) ; Lederer-Woods, C. (U. Edinburgh (main)) ; Mengoni, A. (CERN ; ENEA, Rome ; INFN, Bologna)
The isotopic abundances of r-process elements in the solar system are traditionally derived as residuals from the subtraction of s-process contributions from total solar abundances. [...]
arXiv:2512.05944. - 11.
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2026-01-09
04:01
Invisible gravitons and large-scale magnetism / Giovannini, Massimo (CERN ; INFN, Milan Bicocca)
The large-scale limits on the relic signals of gravitational radiation complement the bounds coming from the interferometric detectors (in the audio band) and from the pulsar timing arrays (in the nHz range). [...]
arXiv:2512.14307. - 26.
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2026-01-09
04:01
Inferring black hole formation channels in GWTC-4.0 via parametric mass-spin correlations derived from first principles / Berti, Emanuele (Johns Hopkins U. (main)) ; Crescimbeni, Francesco (U. Rome La Sapienza (main) ; INFN, Rome) ; Franciolini, Gabriele (U. Padua (main) ; INFN, Padua ; CERN) ; Mastrogiovanni, Simone (INFN, Rome) ; Pani, Paolo (U. Rome La Sapienza (main) ; INFN, Rome) ; Pierra, Grégoire (INFN, Rome)
We investigate the differences between several proposed formation scenarios for binary black holes (BBHs), including isolated stellar evolution, dynamical assembly in dense clusters and AGN disks, and primordial BHs. [...]
arXiv:2512.03152. - 23.
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