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2026-05-09
04:02
Perturbative, Nonperturbative and Exact Aspects of Crystalline Phases in the Gross-Neveu Model / Benini, Francesco (SISSA, Trieste ; INFN, Trieste) ; Mamroud, Ohad (SISSA, Trieste ; INFN, Trieste) ; Reis, Tomas (CERN) ; Serone, Marco (SISSA, Trieste ; INFN, Trieste)
We study the crystalline phase of the $O(2N)$ Gross--Neveu model with a chemical potential for $a \leq N-2$ of the fermions. [...]
CERN-TH-2026-102 ; arXiv:2605.05307. - 61.
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2026-05-09
04:02
New measurement of $K^+\toπ^+ν\barν$ branching ratio at the NA62 experiment / Chang, Xiafei (LPHE, Lausanne)
The ultra-rare decay $K^+\toπ^+ν\barν$ is a golden mode in flavor physics. [...]
arXiv:2604.12649. - 6.
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2026-05-09
04:00
The strange and flavor-singlet axial form factors of the nucleon from lattice QCD / Barone, Alessandro (U. Mainz, PRISMA ; Mainz U., Inst. Kernphys.) ; Djukanovic, Dalibor (Helmholtz Inst., Mainz ; Darmstadt, GSI) ; von Hippel, Georg (U. Mainz, PRISMA ; Mainz U., Inst. Kernphys.) ; Meyer, Harvey B. (U. Mainz, PRISMA ; Helmholtz Inst., Mainz ; CERN ; Mainz U., Inst. Kernphys.) ; Ottnad, Konstantin (U. Mainz, PRISMA ; Bonn U., HISKP ; Mainz U., Inst. Kernphys.) ; Wittig, Hartmut (U. Mainz, PRISMA ; Helmholtz Inst., Mainz ; Mainz U., Inst. Kernphys.)
The singlet axial form factor of the nucleon provides essential input for a complete understanding of the nucleon axial structure. [...]
MITP-26-022 ; arXiv:2605.06559. - 14.
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2026-05-08
16:19
DRD3 collaboration (R&D on Solid-state Detector Technologies ) / Kramberger, Gregor (Jozef Stefan Institute (SI))
Talk at DRD Jamboree (October 2025)
CERN-DRD3-2026-003.- Geneva : CERN, 2026 Fulltext: PPTX;

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2026-05-08
16:15
DRD3 collaboration / Kramberger, Gregor (Jozef Stefan Institute (SI))
The talk given at the 2026 European Edition of the International Workshop on the Circular Electron-Positron Collider (CEPC), Lisbon, Portugal..
CERN-DRD3-2026-002.- Geneva : CERN, 2026 Fulltext: PPTX;

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2026-05-08
10:11
The CMS ME0 GEM detector for the HL-LHC / De Bruyn, Isabelle Helena J (Brussels U.) /CMS Collaboration
The CMS Muon system is undergoing significant upgrades for High-Luminosity LHC operation, including the installation of the ME0 GEM detector. This detector is a 6-layer station that will expand the geometrical acceptance for muons up to pseudorapidity $\lvert\eta\rvert=2.8$. [...]
CMS-CR-2026-055.- Geneva : CERN, 2026 - 10 p. Fulltext: PDF;
In : Corfu 2025 Workshop on Future Accelerators, Corfu, Greece, Gr, 27 Apr. - 4 May 2025

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2026-05-08
06:04
Low Beta, Normal Conducting Cavities / Groening, Lars (Darmstadt, GSI)
The contribution is on issues being especially related to normal conducting cavities operating at non-relativistic beam energies. [...]
arXiv:2605.04909. - 2026 - 16.
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2026-05-08
04:09
Heterotic String Theory Suggests a QCD Axion Near 0.5 neV / Benabou, Joshua N. (LBL, Berkeley ; UC, Berkeley) ; Dainelli, Giulio Alvise (LBL, Berkeley ; UC, Berkeley) ; Reig, Mario (CERN) ; Safdi, Benjamin R. (LBL, Berkeley ; UC, Berkeley)
We show that in heterotic string theory -- and dual corners of the landscape including Type I string theory -- the QCD axion mass is bounded from below by $m_a \gtrsim 0.5$ neV, a direct consequence of the model-independent axion whose decay constant is fixed by the grand unified theory (GUT) gauge coupling. [...]
CERN-TH-2026-098 ; arXiv:2605.04142. - 42.
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2026-05-08
04:03
Are PTA measurements sensitive to gravitational wave non-Gaussianities? / Cecchini, Chiara (Trento U. ; TIFPA-INFN, Trento ; Madrid, Inst. Estructura Materia) ; El Gammal, Jonas (Insubria U., Como) ; Franciolini, Gabriele (Padua U. ; INFN, Padua) ; Pieroni, Mauro (Madrid, Inst. Estructura Materia)
Observing non-Gaussianity in the timing residuals of Pulsar Timing Arrays (PTAs) has recently attracted attention as a potential discriminator between astrophysical and cosmological origins of the observed Gravitational Wave (GW) signal. [...]
CERN-TH-2025-241 ; arXiv:2605.05157. - 11.
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2026-05-08
04:01
Observation of the charmless purely baryonic decay $\mathinner{\mathitΛ^0_b\!\to \mathitΛ p \overline{p}}$ / LHCb Collaboration
A search for the charmless purely baryonic decay $\mathinner{\mathitΛ^0_b\!\to \mathitΛ p \overline{p}}$ is performed using proton-proton collision data recorded by the LHCb experiment at a centre-of-mass energy of $\sqrt{s}=13\,\text{TeV}$ and corresponding to an integrated luminosity of $6.0\,\text{fb}^{-1}$ [...]
arXiv:2605.04348. - 25.
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