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2026-06-11
06:02
Case Study: The High-Level Synthesis-Based Firmware Upgrade for the Digital Trigger Back-End System of the ATLAS Liquid Argon Calorimeter / Aguiar, Melissa S (Juiz de Fora U.) ; Santos, Dabson F dos (Juiz de Fora U.) ; Milic, Adriana (CERN) ; Cardinot, Diogo A (Rio de Janeiro Federal U.) ; Oliveira, Marcos V S (Brookhaven) ; Filho, Luciano M A (Juiz de Fora U.) ; Libotte, Gustavo B (Nova Friburgo Polytechnic Inst.) ; Peralva, Bernardo S (Nova Friburgo Polytechnic Inst.)
The trigger and data acquisition systems of the LHC experiments rely on reconfigurable architectures based on FPGA (Field Programmable Gate Arrays) to accommodate design updates and increasing of the detectors complexity. [...]
2026 - 2.

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2026-06-11
06:01
RF for accelerators: RF power generation, RF power transport, RF power couplers / Montesinos, Eric (CERN)
This paper reviews the main types of radio-frequency powering systems which may be used for accelerators. [...]
arXiv:2606.10643. - 2026 - 41.
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2026-06-11
06:01
Probing Nucleon Spin Structure with a Polarized Gamma Beam from Compton Backscattering at FCC-ee / Canbay, A C (Ankara U.) ; Sultansoy, S (TOBB ETU, Ankara) ; Zimmermann, F (CERN)
We present a kinematic and optical design of a high-energy polarized gamma-ray facility based on Compton backscattering of lasers against the FCC-ee electron beams in its $Z$, $WW$, $ZH$ and $t\bar{t}$ modes. [...]
arXiv:2606.04805. - 2026 - 17.
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2026-06-11
06:01
HS3: A Descriptive, Interoperable Serialization Standard for Statistical Models in High-Energy Physics / Burgard, Carsten (Tech. U., Dortmund (main) ; U. Hamburg (main)) ; Schulz, Oliver (Munich, Max Planck Inst.) ; Stark, Giordon (UC, Santa Cruz (main)) ; Rembser, Jonas (CERN) ; Cello, Simon (Tech. U., Dortmund (main)) ; Grunwald, Cornelius (Tech. U., Dortmund (main))
Statistical models in high-energy physics formally encode the relationship between observed data, physics parameters of interest, and experimental and theoretical uncertainties. [...]
arXiv:2606.01760. - 2026 - 18.
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2026-06-11
04:32
Measurement of the ratio of branching fractions $\mathcal{B}(B_c^+ \to J/ψτ^+ ν_τ)/\mathcal{B}(B_c^+ \to J/ψμ^+ ν_μ)$ / LHCb Collaboration
A measurement of the ratio of semileptonic branching fractions $\mathcal{R}(Jψ)$, defined as $\mathcal{R}(J/ψ) \equiv \mathcal{B}(B_c^+ \to J/ψτ^+ ν_τ)/\mathcal{B}(B_c^+ \to J/ψμ^+ ν_μ)$, is reported using a sample of proton-proton collision data corresponding to an integrated luminosity of 5.4 fb$^{-1}$ recorded by the LHCb experiment in 2016--2018 at a center-of-mass energy of 13 TeV. [...]
arXiv:2606.10018 ; CERN-EP-2026-152 ; LHCb-PAPER-2026-018. - 19.
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2026-06-11
04:28
Testing F-theory GUTs with the Axiverse / Nee, Michael (Harvard U.) ; Reig, Mario (CERN) ; Weigand, Timo (U. Hamburg (main))
We show that axions coupled to photons in F-theory Grand Unified Theories (GUTs) satisfy the coupling-to-mass relation $g_{aγ}/m_a \leq C\, \frac{α_{\rm em}}{2π}\frac{1}{m_πf_π}$, with $C$ a calculable coefficient. [...]
CERN-TH-2026-129 ; arXiv:2606.09982. - 50.
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2026-06-10
06:36
An Introduction to Measurement Uncertainty / Piano, Samanta (U. Nottingham)
This chapter introduces the fundamental principles of metrology and the concept of measurement uncertainty. [...]
arXiv:2606.09385. - 2026 - 21.
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2026-06-10
04:09
Centrality dependence of charged-hadron pseudorapidity distributions in oxygen-oxygen collisions at $\sqrt{s_\mathrm{NN}}$ = 5.36 TeV / CMS Collaboration
We report the first measurement of charged-hadron pseudorapidity ($η$) distributions in oxygen-oxygen (OO) collisions at a nucleon-nucleon center-of-mass energy of $\sqrt{s_\mathrm{NN}}$ = 5.36 TeV. [...]
CMS-HIN-25-010 ; CERN-EP-2026-153 ; arXiv:2606.02285. -
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2026-06-10
04:08
Detector performance at SHiP for cascade-produced long-lived particles / Climescu, Matei (Gent U.) ; Kyselov, Yehor (Taras Shevchenko U.) ; Ovchynnikov, Maksym (CERN)
Previous studies have shown that cascade production in the thick target of the SHiP experiment may substantially enhance the number of light long-lived particles (LLPs) decaying in the fiducial volume. [...]
CERN-TH-2026-130 ; arXiv:2606.07743. - 19.
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2026-06-10
04:08
BPS Non-Renormalization in the BMN Matrix Model / Colin-Ellerin, Sean (CERN) ; Papadodimas, Kyriakos (CERN)
We show in the $(0+1)$-dimensional Berenstein-Maldacena-Nastase matrix model, dual to M-theory on a pp-wave background, that the coupling can be changed between any two finite, non-zero values using a special class of deformations, known as conjugation deformations. [...]
CERN-TH-2026-125 ; arXiv:2606.05388. - 5.
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