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2026-04-14
16:07
Cherenkov and scintillation light separation in BGO and BSO crystals coupled to SiPMs for dual-readout electromagnetic calorimetry at future colliders / DRD6 Collaboration
We report on the separation of Cherenkov and scintillation light in BGO and BSO crystals read out with silicon photomultipliers (SiPMs). The two light components are disentangled on an event-by-event basis by combining optical filtering with waveform template fitting, exploiting their distinct spectral and temporal characteristics. [...]
CERN-DRD6-26-001.- Geneva : CERN, 2026

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2026-04-14
14:12
Measurement of inclusive production of charmonium states in $b$-hadron decays via their decay into $\phi\phi$
The inclusive production of the $\eta_c(1S)$, $\eta_c(2S)$ and $\chi_{c}$ charmonium states in $b$-hadron decays is studied with LHCb Run~2 data, corresponding to an integrated luminosity of $5.9~\text{fb}^{-1}$, using charmonia decays to $\phi\phi$ pairs. [...]
CERN-EP-2026-058 ; arXiv:2604.11123 ; LHCB-PAPER-2025-058. - 2026
Fulltext - Related data file(s)

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2026-04-14
11:22
Search for a new heavy resonance decaying to a top quark and a neutral scalar boson in proton-proton collisions at $ \sqrt{s}= $ 13 TeV
A first search at the LHC for a new heavy resonance decaying to a top quark and a neutral scalar boson $ \phi $ in the fully hadronic final state is presented, where the $ \phi $ boson is identified by its decay into a bottom quark-antiquark pair. [...]
CERN-EP-2026-047 ; CMS-B2G-22-001-003. - 2026
Additional information for the analysis - CMS AuthorList - Fulltext

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2026-04-14
10:19
Particle transformers for identifying Lorentz-boosted Higgs bosons decaying to a pair of W bosons
A novel deep neural network classifier, a ``particle transformer'' (PART), is introduced for the identification of highly Lorentz-boosted resonances reconstructed as single, multipronged jets in measurements and searches performed by the CMS Collaboration at the CERN LHC. [...]
CERN-EP-2026-111 ; CMS-JME-25-001-005. - 2026
Additional information for the analysis - CMS AuthorList - Fulltext

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2026-04-14
06:20
Taming the Exponential: A Fast Softmax Surrogate for Integer-Native Edge Inference / Danopoulos, Dimitrios (CERN) ; Lupi, Enrico (CERN) ; Kagan, Michael (SLAC) ; Pierini, Maurizio (CERN)
Softmax can become a computational bottleneck in the Transformer model's Multi-Head Attention (MHA) block, particularly in small models under low-precision inference, where exponentiation and normalization incur significant overhead. [...]
arXiv:2604.02292. - 2026 - 9.
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2026-04-14
06:20
Quantum simulation of baryon scattering in SU(2) lattice gauge theory / Barata, João (CERN) ; Hormaza, Juan (Colombia, U. Natl.) ; Kang, Zhong-Bo (UCLA) ; Qian, Wenyang (Hua-Zhong Normal U. ; Santiago de Compostela U., IGFAE)
We present a first real-time study of hadronic scattering in a $(1+1)$-dimensional SU(2) lattice gauge theory with fundamental fermions using tensor-network techniques. [...]
arXiv:2604.06716. - 2026 - 4.
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2026-04-14
04:38
On Exclusive Coherent Production of Bosons in Electron-Proton Collisions / Balkin, Reuven (UC, Santa Cruz) ; Coren, Ta'el (Technion) ; Jentsch, Alexander (Brookhaven) ; Liu, Hongkai (Brookhaven) ; Ovchynnikov, Maksym (CERN) ; Soreq, Yotam (Technion ; CERN) ; Trifinopoulos, Sokratis (CERN ; Zurich U.)
We study the exclusive electroproduction process $e+p\to e'+p'+X$, with $X$ a single-particle final state, in the forward-proton kinematics relevant for the future Electron-Ion Collider (EIC). [...]
CERN-TH-2026-047 ; arXiv:2604.08667. - 11.
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2026-04-14
04:36
Gravitational Memory from Hairy Binary Black Hole Mergers / Gasparotto, Silvia ; Zosso, Jann ; Aresté Saló, Llibert ; Doneva, Daniela D. ; Yazadjiev, Stoytcho S.
Gravitational-wave memory is a low-frequency, non-oscillatory component of the radiation field that provides a potentially powerful but as yet undetected probe of strong-field gravity. [...]
CERN-TH-2026-086 ; arXiv:2604.09350. - 26.
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2026-04-14
04:34
How well can the QCD axion hide? / Lee, Sung Mook (CERN) ; Ramos, Maria (CERN) ; Vilches, Fuensanta (Granada U.)
Motivated UV frameworks generically predict the existence of multiple axion fields. [...]
CERN-TH-2026-087 ; arXiv:2604.08657. - 19.
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2026-04-14
04:34
Test of lepton flavour universality with $B^0\to K^{*0}\ell^+\ell^-$ decays at large dilepton invariant mass / LHCb Collaboration
Muon-electron universality is tested in $B^0 \to K^{*0} \ \ell^+ \ell^-$ decays, in the dilepton-invariant-mass region above the $ψ(2S)$ resonance. [...]
arXiv:2604.08631 ; LHCb-PAPER-2025-066 ; CERN-EP-2026-064. - 22.
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