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2026-03-18
04:48
Measurement of the $t$-channel single top quark cross section in proton-proton collisions at $\sqrt{s}$ = 5.02 TeV / CMS Collaboration
The single top quark $t$-channel production cross section is measured in proton-proton collisions at the CERN LHC at $\sqrt{s}$ = 5.02 TeV, using data recorded with the CMS detector in 2017, corresponding to an integrated luminosity of 302 pb$^{-1}$, and resulting in the first CMS measurement of the process at that energy. [...]
arXiv:2603.13592 ; CMS-TOP-24-011 ; CERN-EP-2025-289. - 43.
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2026-03-18
04:47
Direct Experiments of Neutron Capture on Stable and Unstable Isotopes for Stellar Nucleosynthesis Studies / Lerendegui-Marco, Jorge ; Balibrea-Correa, Javier ; Babiano-Suárez, Victor ; Domingo-Pardo, Cesar ; de la Fuente-Rosales, Gabriel ; Gameiro, Bernardo ; Ladarescu, Ion ; Tarifeño-Saldivia, Ariel ; Torres-Sánchez, Pablo
Neutron-capture reactions provide essential nuclear-physics input for modeling the synthesis of heavy elements in stars [...]
arXiv:2603.13540. - 25.
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2026-03-18
04:43
Jet peak shapes based on two-particle angular correlations in lead-lead collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV / CMS Collaboration
The longitudinal invariance of jet-induced peaks in two-particle correlation functions from relativistic lead-lead collisions is experimentally explored. [...]
CMS-HIN-24-008 ; CERN-EP-2025-112 ; arXiv:2603.14385. -
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2026-03-18
04:42
Standard Model tests with smeared experiment and theory / Jüttner, Andreas (CERN ; Southampton U.)
For Standard Model processes in which on-shell intermediate hadronic states contribute - including inclusive semileptonic decays and long-distance effects in rare exclusive decays such as $D\to π\ell\ell$ and $B\to K^{(\ast)}\ell\ell$ - spectral-reconstruction techniques provide a promising route to model-independent lattice QCD predictions for use in phenomenological predictions. [...]
CERN-TH-2026-050 ; arXiv:2603.15487. - 25.
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2026-03-17
14:31
Measurement of the $|V_{cb}|$ element of the CKM matrix in $t\bar{t}$ decays with the ATLAS detector
The first measurement of the magnitude of the CKM quark mixing matrix element $|V_{cb}|$ using on-shell $W$-boson decays is presented. [...]
CERN-EP-2026-069. - 2026
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2026-03-17
10:21
Search for direct pair production of top squarks in $pp$ collisions at $\sqrt{s}= 13$ TeV and $13.6$ TeV in events with two oppositely charged leptons using the ATLAS detector
This paper presents the search for direct pair production of top squarks decaying into two on-shell top quarks and two neutralinos in final states with two oppositely charged leptons (electrons or muons), $b$-jets and large missing transverse momentum. [...]
CERN-EP-2026-063. - 2026
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2026-03-17
04:09
Factorization Beyond Coherence / Becher, Thomas (U. Bern (main)) ; Hager, Patrick (CERN) ; Neubert, Matthias (U. Mainz, PRISMA ; Cornell U., LEPP) ; Schwienbacher, Dominik (U. Bern (main))
We derive a novel factorization theorem for $N$-jettiness at hadron colliders, which incorporates coherence-violating effects induced by Glauber gluons and several new momentum modes. [...]
CERN-TH-2026-039 ; MITP-26-008 ; arXiv:2603.12383. - 8.
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2026-03-17
04:07
Measurement of the local and nonlocal amplitudes in $B^{+}\to K^{+}μ^{+}μ^{-}$ decays / LHCb Collaboration
This paper presents a thorough study of the local and nonlocal amplitudes in $B^+ \to K^+μ^+μ^-$ transitions through an amplitude analysis of the dimuon mass spectrum of the decay. [...]
arXiv:2603.12477 ; LHCb-PAPER-2025-055 ; CERN-EP-2026-018. - 32.
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2026-03-17
04:04
First measurement of time-dependent $CP$ violation in the decay flavor-changing neutral-current decay $B^{0}\rightarrow K_{S}^{0}μ^{+}μ^{-}$ / LHCb Collaboration
A flavor-tagged time-dependent analysis of $B^{0}\rightarrow K_{S}^{0}μ^{+}μ^{-}$ decays is performed across the full dimuon mass range excluding the $J/ψ$ and $ψ(2S)$ resonance regions. [...]
arXiv:2603.13223 ; LHCb-PAPER-2025-062 ; CERN-EP-2026-037. - 22.
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2026-03-17
04:04
Electromagnetic pion mass splitting using PV-regulated photon propagator / De Santis, Alessandro (Helmholtz Inst., Mainz ; Mainz U., Inst. Phys. ; Darmstadt, GSI) ; Erb, Dominik (U. Mainz, PRISMA) ; Meyer, Harvey B. (Helmholtz Inst., Mainz ; U. Mainz, PRISMA ; CERN)
Several hadronic observables are nowadays computed in lattice QCD with a sub-percent precision which requires the inclusion of strong isospin-breaking and electromagnetic effects. [...]
arXiv:2603.10496. - 10.
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