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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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2026-06-10
04:08
Detection of the distant quasar OP 313 with the first Large-Sized Telescope of CTAO / MAGIC Collaboration
In December 2023, the Large-Sized Telescope prototype (LST-1) detected for the first time VHE $γ$-ray emission from the FSRQ OP~313 becoming the furthest blazar ever observed at VHE with z=0.997. [...]
arXiv:2605.26681. - 25.
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