CERN Accelerating science

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2024-07-23
04:15
Pulsar timing array sensitivity to anisotropies in the gravitational wave background / Depta, Paul Frederik (Heidelberg, Max Planck Inst.) ; Domcke, Valerie (CERN) ; Franciolini, Gabriele (CERN) ; Pieroni, Mauro (CERN)
Pulsar Timing Array (PTA) observations have recently gathered substantial evidence for the existence of a gravitational wave background in the nHz frequency band. [...]
CERN-TH-2024-116 ; arXiv:2407.14460.
- 20 p.
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2024-07-23
04:11
Dark photon distortions of NO$\nu$A and T2K neutrino oscillations / Alonso-Álvarez, Gonzalo (Toronto U.) ; Cline, James M. (McGill U. ; CERN) ; Laurent, Benoit (McGill U.) ; Rahaman, Ushak (Toronto U. ; Valencia U., IFIC)
Dark photons coupling to $L_\mu-L_\tau$ lepton number difference are a highly studied light dark matter candidate, with potential to be discovered through their impact on terrestrial neutrino oscillation experiments. [...]
CERN-TH-2024-114 ; arXiv:2407.13817.
- 5 p.
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2024-07-19
04:35
One-point correlators of conserved and non-conserved charges in QCD / Riembau, Marc (CERN) ; Son, Minho (KAIST, Taejon)
One-point correlators of conserved charges are argued to be perturbatively IR safe in QCD, which includes not only the density of energy, but also those of electric charge, isospin and baryon number. [...]
CERN-TH-2024-113 ; arXiv:2407.12082.
- 9 p.
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2024-07-18
04:27
A Phenomenological Analysis of LHC Neutrino Scattering at NLO Accuracy Matched to Parton Showers / van Beekveld, Melissa (NIKHEF, Amsterdam) ; Ferrario Ravasio, Silvia (CERN) ; Groenendijk, Eva (NIKHEF, Amsterdam) ; Krack, Peter (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Rojo, Juan (NIKHEF, Amsterdam ; Vrije U., Amsterdam) ; Sánchez, Valentina Schütze (NIKHEF, Amsterdam)
We perform a detailed phenomenological study of high-energy neutrino deep inelastic scattering (DIS) focused on LHC far-forward experiments such as FASER$\nu$ and SND@LHC. [...]
Nikhef 2024-012 ; CERN-TH-2024-111 ; arXiv:2407.09611.
- 25 p.
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2024-07-18
04:23
A Nuclear Interferometer for Ultra-Light Dark Matter Detection / Banks, Hannah (CERN ; Cambridge U., DAMTP) ; Fuchs, Elina (CERN ; Hannover U. ; Braunschweig, Phys. Tech. Bund.) ; McCullough, Matthew (CERN)
We propose the nuclear interferometer - a single-photon interferometry experiment based upon the thorium-229 nuclear clock transition - as a novel detector for ultra-light dark matter (ULDM). [...]
CERN-TH-2024-104 ; arXiv:2407.11112.
- 20 p.
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2024-07-16
05:25
QCD corrections to Higgs boson production and $H \to b \bar{b}$ decay in weak boson fusion / Asteriadis, Konstantin (Regensburg U.) ; Behring, Arnd (CERN) ; Melnikov, Kirill (KIT, Karlsruhe, TTP) ; Novikov, Ivan (KIT, Karlsruhe, TTP) ; Röntsch, Raoul (INFN, Milan ; Milan U.)
We study QCD corrections to the process where a Higgs boson is produced in weak boson fusion and then decays into a pair of massive $b$ quarks. [...]
TTP24-019 ; P3H-24-040 ; CERN-TH-2024-095 ; TIF-UNIMI-2024-5 ; arXiv:2407.09363.
- 12 p.
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2024-07-13
04:26
A Decade of Collectivity in Small Systems / Grosse-Oetringhaus, Jan Fiete (CERN) ; Wiedemann, Urs Achim (CERN)
Signatures of collectivity, including azimuthally anisotropic and radial flow as well as characteristic hadrochemical dependencies, have been observed since long in (ultra)relativistic nucleus-nucleus collisions. [...]
CERN-TH-2024-110 ; arXiv:2407.07484.
- 81 p.
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2024-07-13
04:25
Non-universal SUSY models, $g_\mu-2$, $m_H$ and dark matter / Ellis, John (King's Coll. London ; CERN) ; Olive, Keith A. (Minnesota U.) ; Spanos, Vassilis C. (Minnesota U. ; Athens U.)
We study the anomalous magnetic moment of the muon, $g_\mu - 2 \equiv 2 a_\mu$, in the context of supersymmetric models beyond the CMSSM, where the unification of either the gaugino masses $M_{1,2,3}$ or sfermion and Higgs masses is relaxed, taking into account the measured mass of the Higgs boson, $m_H$, the cosmological dark matter density and the direct detection rate. [...]
KCL-PH-TH/2024-41 ; CERN-TH-2024-109 ; UMN-TH-4325/24 ; FTPI-MINN-24/16 ; arXiv:2407.08679.
- 34 p.
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2024-07-09
04:23
An event generator for neutrino-induced Deep Inelastic Scattering and applications to neutrino astronomy / Ferrario Ravasio, Silvia (CERN) ; Gauld, Rhorry (Garching, Max Planck Inst.) ; Jäger, Barbara (Tubingen U.) ; Karlberg, Alexander (CERN) ; Zanderighi, Giulia (Garching, Max Planck Inst. ; Munich, Tech. U.)
We extend the recently presented, fully exclusive, next-to-leading-order accurate event generator for the simulation of massless neutral- and charged-current deep inelastic scattering (DIS) to the case of incoming neutrinos. [...]
CERN-TH-2024-091 ; MPP-2024-121 ; arXiv:2407.03894.
- 16 p.
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2024-07-09
04:22
Gravitational waves from inflation in LISA: reconstruction pipeline and physics interpretation / Braglia, Matteo (New York U., CCPP) ; Calcagni, Gianluca (Madrid, Inst. Estructura Materia) ; Franciolini, Gabriele (CERN) ; Fumagalli, Jacopo (Barcelona U.) ; Nardini, Germano ; Peloso, Marco (Padua U. ; Padua U., Astron. Dept. ; INFN, Padua) ; Pieroni, Mauro (CERN) ; Renaux-Petel, Sébastien (Stavanger U. ; Paris, Inst. Astrophys.) ; Ricciardone, Angelo (ICC, Barcelona U. ; Padua U. ; Padua U., Astron. Dept. ; Pisa U. ; INFN, Pisa) ; Tasinato, Gianmassimo (Swansea U. ; Bologna U. ; INFN, Bologna ; U. Bologna, DIFA) et al.
Various scenarios of cosmic inflation enhance the amplitude of the stochastic gravitational wave background (SGWB) at frequencies detectable by the LISA detector. [...]
arXiv:2407.04356 ; LISA-COSWG-24-03 ; CERN-TH-2024-072.
- 82 p.
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