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2025-04-02
15:59
Search for the $B^+_c\rightarrow \chi_{c1}(3872)\pi^+$ decay
A search for the decay $B^+_c\rightarrow \chi_{c1}(3872)\pi^+$ is reported using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energies of 7, 8, and 13 $TeV$, corresponding to an integrated luminosity of $9fb^{-1}$. [...]
CERN-EP-2025-042 ; LHCB-PAPER-2024-050. - 2025
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2025-04-02
04:06
Physics case for low-$\sqrt{s}$ QCD studies at FCC-ee / Verbytskyi, Andrii (Garching, Max Planck Inst.) ; d'Enterria, David (CERN) ; Monni, Pier Francesco (CERN) ; Skands, Peter (Monash U.)
Measurements of hadronic final states in $e^{+}e^{-}$ collisions at centre-of-mass (CM) energies below the Z peak can notably extend the FCC-ee physics reach in terms of precision quantum chromodynamics (QCD) studies. [...]
CERN-TH-2025-064 ; arXiv:2503.23855. - 13 p, 13.
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2025-04-02
04:06
Discovery potential of LHCb Upgrade II / Vagnoni, Vincenzo
A second major upgrade of the LHCb detector is necessary to allow full exploitation of the HL-LHC for flavour physics. [...]
LHCb-PUB-2025-001 ; arXiv:2503.23087. -
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2025-04-02
04:06
Event-activity dependence of heavy-flavor production at the ALICE experiment / Vertesi, Robert (Wigner RCP, Budapest)
Heavy-flavor production at the LHC offers valuable tests of quantum-chromodynamics calculations, owing to the large masses of heavy quarks. [...]
arXiv:2503.23850. -
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2025-04-02
04:04
NNLOJET: a parton-level event generator for jet cross sections at NNLO QCD accuracy / NNLOJET Collaboration
The antenna subtraction method for NNLO QCD calculations is implemented in the NNLOJET parton-level event generator code to compute jet cross sections and related observables in electron-positron, lepton-hadron and hadron-hadron collisions. [...]
arXiv:2503.22804 ; CERN-TH-2025-012 ; IPPP/25/09 ; ZU-TH 11/25. - 42.
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2025-04-02
04:03
Long-Baseline Atom Interferometry / TVLBAI Proto Collaboration
Long-baseline atom interferometry is a promising technique for probing various aspects of fundamental physics, astrophysics and cosmology, including searches for ultralight dark matter (ULDM) and for gravitational waves (GWs) in the frequency range around 1~Hz that is not covered by present and planned detectors using laser interferometry. [...]
arXiv:2503.21366. - 12.
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2025-04-01
13:10
Evidence for the collective nature of radial flow in Pb+Pb collisions with the ATLAS detector / ATLAS Collaboration
Anisotropic flow and radial flow are two key probes of the expansion dynamics and properties of the quark-gluon plasma (QGP). [...]
CERN-EP-2025-068 ; arXiv:2503.24125. - 2025 - 31 p, 31.
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2025-04-01
04:28
Axial perturbations of black holes with primary scalar hair / Charmousis, Christos (IJCLab, Orsay ; CERN) ; Iteanu, Simon (IJCLab, Orsay) ; Langlois, David (APC, Paris) ; Noui, Karim (IJCLab, Orsay)
We study axial perturbations of static black holes with primary hair in a family of degenerate higher-order scalar-tensor (DHOST) theories. [...]
CERN-TH-2025-058 ; arXiv:2503.22348. - 32.
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2025-04-01
04:24
Precision Tests in $b\to s\ell^+\ell^-$ ($\ell=e,\mu$) at FCC-ee / Bordone, Marzia (Zurich U. ; CERN) ; Cornella, Claudia (CERN) ; Davighi, Joe (CERN)
The rare semi-leptonic decays $B\to K^\ast \ell^+\ell^-$, with $\ell=e, \mu$, are highly sensitive to new physics (NP) due to their suppression in the Standard Model (SM). [...]
CERN-TH-2025-065 ; ZU-TH 22/25 ; arXiv:2503.22635. - 21.
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2025-04-01
04:24
Kaon Physics: A Cornerstone for Future Discoveries / Aebischer, Jason (CERN) ; Akmete, Atakan Tugberk (U. Mainz, PRISMA) ; Aliberti, Riccardo (Mainz U., Inst. Kernphys.) ; Altmannshofer, Wolfgang (UC, Santa Cruz ; UC, Santa Cruz, Inst. Part. Phys.) ; Ambrosino, Fabio (Naples U. ; INFN, Naples ; SSM, Naples) ; Ammendola, Roberto (INFN, Rome2) ; Antonelli, Antonella (Frascati) ; Anzivino, Giuseppina (Perugia U. ; INFN, Perugia) ; Ashanujjaman, Saiyad (KIT, Karlsruhe, TTP ; KIT, Karlsruhe) ; Bandiera, Laura (INFN, Ferrara) et al.
The kaon physics programme, long heralded as a cutting-edge frontier by the European Strategy for Particle Physics, continues to stand at the intersection of discovery and innovation in high-energy physics (HEP). [...]
CERN-TH-2025-066 ; arXiv:2503.22256. - 22.
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