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2026-03-11
16:59
First measurement of the decay-time-integrated $C\!P$ asymmetry in $B_s^0 \to D_s^- \pi^+$ decays
A measurement of the flavour-untagged decay-time-integrated ${C\!P}$ asymmetry in the flavour-specific decay ${B_s^0 \to D_s^-\pi^+}$, ${\langle A^s_{\rm untagged}\rangle}$, is performed using proton-proton collision data collected by the LHCb experiment between 2016 and 2018 at a center-of-mass energy of ${13\,{\rm TeV}}$, corresponding to a total integrated luminosity of ${5.4\,{\rm fb}^{-1}}$ [...]
CERN-EP-2026-028 ; LHCB-PAPER-2025-074. - 2026
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2026-03-11
06:20
New axion bounds derived from the 100-parsec Gaia DR3 white dwarf luminosity function / Alberino, Martín L (Unlisted, AR ; UNLP, La Plata (main)) ; Miller Bertolami, Marcelo M (Unlisted, AR ; UNLP, La Plata (main)) ; Camisassa, María E (Barcelona, Polytechnic U.) ; Caputo, Andrea (CERN ; Rome U. ; INFN, Rome ; Weizmann Inst.) ; Torres, Santiago (Barcelona, Polytechnic U.)
The axion, a well-motivated hypothetical particle arising in extensions of the Standard Model, can be produced copiously within the hot, compact cores of white dwarf stars. [...]
arXiv:2603.00901. - 2026 - 21.
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2026-03-11
06:20
Learning partial transpose signatures in qubit ququart states from a few measurements / Candeago, Christian (U. Trieste (main)) ; Da Rold, Paolo (U. Trieste (main)) ; Grossi, Michele (CERN) ; Horodecki, Pawel (Gdansk U.) ; Mandarino, Antonio (Gdansk U.)
Higher-dimensional quantum systems are attracting interest for improving quantum protocol performance by increasing memory space [...]
arXiv:2602.19307. - 2026 - 15.
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2026-03-11
06:20
Universality of the Blandford-Znajek emission in stationary and axisymmetric spacetimes / Camilloni, Filippo (Goethe U., Frankfurt (main)) ; Rezzolla, Luciano (Goethe U., Frankfurt (main) ; CERN ; Trinity Coll., Dublin)
The Blandford-Znajek (BZ) mechanism is widely recognised as the most compelling process to extract rotational energy from an accreting black hole and power the emission of relativistic jets. [...]
arXiv:2602.23417. - 2026 - 14.
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2026-03-11
04:43
Higher-order hadronic vacuum polarization contribution to the muon $g-2$ from lattice QCD / Beltran, Arnau (U. Mainz, PRISMA) ; Conigli, Alessandro (Mainz U. ; Darmstadt, GSI) ; Kuberski, Simon (CERN) ; Meyer, Harvey B. (U. Mainz, PRISMA ; Mainz U. ; CERN) ; Ottnad, Konstantin (U. Mainz, PRISMA ; Bonn U., HISKP) ; Wittig, Hartmut (U. Mainz, PRISMA ; Mainz U. ; Darmstadt, GSI)
We present the first lattice QCD calculation of the next-to-leading order hadronic vacuum polarization contribution to the muon anomalous magnetic moment with sub-percent precision. [...]
MITP-26-006 ; CERN-TH-2026-035 ; arXiv:2603.06806. - 44.
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2026-03-11
04:25
The Dark Photon: a 2026 Perspective / Caputo, Andrea (CERN ; Rome U. ; Weizmann Inst.) ; Essig, Rouven (YITP, Stony Brook)
We give a pedagogical overview of dark photons. [...]
arXiv:2603.08430. - 24.
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2026-03-11
04:22
Complementarity between atmospheric and super-beam neutrinos at ESSnuSB / ESSnuSB Collaboration
The ESSnuSB experiment aims to measure the leptonic CP phase $δ_{CP}$ with an unprecedented resolution by probing neutrino oscillations at the second oscillation maximum. [...]
arXiv:2603.02836. - 14.
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2026-03-10
17:06
Improved branching-fraction measurements of $B^0_{(s)} \to K_S^0 h^+ h^{'-}$ decays and first observation of $B^0_{s} \to K_S^0 K^+ K^-$ / LHCb Collaboration
This paper presents a study of the charmless three-body decays ${B^0_{(s)} \to K_{\mathrm{S}}^0 h^+ h^{\prime -}}$ (where $h^{(\prime)} = \pi, K$), using a sample of $pp$ collision data collected by the LHCb experiment, corresponding to an integrated luminosity of $9{\,fb}^{-1}$. [...]
arXiv:2603.08621 ; LHCb-PAPER-2024-029 ; CERN-EP-2026-029. - 2026 - 37.
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2026-03-10
06:22
The initial states of high frequency gravitons / Giovannini, Massimo (CERN ; INFN, Milan Bicocca)
After distinguishing the role of classical and quantum inhomogeneities in cosmological backgrounds, we constrain the initial states of the relic gravitons as soon as the different wavelengths of the spectrum cross the comoving Hubble radius, without any reference to earlier timescales. [...]
arXiv:2602.14235. - 2026 - 12.
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2026-03-10
06:22
End-to-end event reconstruction for precision physics at future colliders / Garcia, Dolores (CERN) ; Herrmann, Lena (CERN) ; Krzmanc, Gregor (Stanford U.) ; Selvaggi, Michele (CERN)
Future collider experiments require unprecedented precision in measurements of Higgs, electroweak, and flavour observables, placing stringent demands on event reconstruction. [...]
arXiv:2603.04084. - 2026 - 14.
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