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2024-11-20
04:02
A Cell Resampler study of Negative Weights in Multi-jet Merged Samples / Andersen, Jeppe R. ; Cueto, Ana ; Jones, Stephen P. ; Maier, Andreas
We study the use of cell resampling to reduce the fraction of negatively weighted Monte Carlo events in a generated sample typical of that used in experimental analyses. [...]
CERN-TH-2024-200 ; IPPP/24/73 ; arXiv:2411.11651. -
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2024-11-15
04:01
Strange and charm quark contributions to the muon anomalous magnetic moment in lattice QCD with twisted-mass fermions / Extended Twisted Mass Collaboration (ETMC) Collaboration
We present a lattice calculation of the Hadronic Vacuum Polarization (HVP) contribution of the strange and charm quarks to the anomalous magnetic moment of the muon in isospin symmetric QCD. [...]
CERN-TH-2024-197 ; arXiv:2411.08852. - 33.
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2024-11-14
07:09
The hadronic vacuum polarization contribution to the muon $g-2$ at long distances / Djukanovic, Dalibor (Helmholtz Inst., Mainz ; Darmstadt, GSI) ; von Hippel, Georg (U. Mainz, PRISMA) ; Kuberski, Simon (CERN) ; Meyer, Harvey B. (Helmholtz Inst., Mainz ; Darmstadt, GSI ; U. Mainz, PRISMA) ; Miller, Nolan (Helmholtz Inst., Mainz ; Darmstadt, GSI) ; Ottnad, Konstantin (U. Mainz, PRISMA) ; Parrino, Julian (U. Mainz, PRISMA) ; Risch, Andreas (Wuppertal U.) ; Wittig, Hartmut (Helmholtz Inst., Mainz ; Darmstadt, GSI ; U. Mainz, PRISMA)
We present our lattice QCD result for the long-distance part of the hadronic vacuum polarization contribution, $(a_\mu^{\rm hvp})^{\rm LD}$, to the muon $g-2$ in the time-momentum representation. [...]
CERN-TH-2024-196 ; MITP-24-080 ; arXiv:2411.07969. - 55.
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2024-11-14
04:05
Wormhole-Induced ALP Dark Matter / Cheong, Dhong Yeon (IPAP, Seoul ; Yonsei U.) ; Hamaguchi, Koichi (Tokyo U. ; Tokyo U., IPMU) ; Kanazawa, Yoshiki (Tokyo U.) ; Lee, Sung Mook (CERN) ; Nagata, Natsumi (Tokyo U.) ; Park, Seong Chan (IPAP, Seoul ; Yonsei U. ; Korea Inst. Advanced Study, Seoul)
Non-perturbative gravitational effects induce explicit global symmetry breaking terms within axion models. [...]
CERN-TH-2024-195 ; arXiv:2411.07713. - 25.
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2024-11-13
04:14
wilson: A package for renormalization group running in the SMEFT with Sterile Neutrinos / Aebischer, Jason (CERN) ; Kapoor, Tejhas (IJCLab, Orsay) ; Kumar, Jacky (Los Alamos)
Sterile neutrinos are well-motivated beyond the Standard Model (BSM) particles. [...]
CERN-TH-2024-186 ; LA-UR-24-31845 ; arXiv:2411.07220. - 14.
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2024-11-12
04:08
Combination of aN$^3$LO PDFs and implications for Higgs production cross-sections at the LHC / MSHT Collaboration
We discuss how the two existing approximate N$^3$LO (aN$^3$LO) sets of parton distributions (PDFs) from the MSHT20 and NNPDF4.0 series can be combined for LHC phenomenology, both in the pure QCD case and for the QCD$\otimes$QED sets that include the photon PDF. [...]
arXiv:2411.05373 ; DESY-24-134 ; TIF-UNIMI-2024-17 ; Edinburgh 2024/9 ; CERN-TH-2024-167. - 22.
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2024-11-09
04:09
FLAG Review 2024 / Flavour Lattice Averaging Group (FLAG) Collaboration
We review lattice results related to pion, kaon, $D$-meson, $B$-meson, and nucleon physics with the aim of making them easily accessible to the nuclear and particle physics communities. [...]
CERN-TH-2024-192 ; FERMILAB-PUB-24-0785-T ; arXiv:2411.04268. - 435.
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2024-11-09
04:05
How fast does the WallGo? A package for computing wall velocities in first-order phase transitions / Ekstedt, Andreas (Uppsala U. (main)) ; Gould, Oliver (U. Nottingham) ; Hirvonen, Joonas (U. Nottingham ; Helsinki Inst. of Phys. ; U. Helsinki (main)) ; Laurent, Benoit (McGill U., Montreal (main)) ; Niemi, Lauri (Helsinki Inst. of Phys. ; U. Helsinki (main)) ; Schicho, Philipp (U. Geneva (main)) ; van de Vis, Jorinde (CERN)
WallGo is an open source software for the computation of the bubble wall velocity in first-order cosmological phase transitions. [...]
CERN-TH-2024-174 ; DESY-24-162 ; HIP-2024-21/TH ; arXiv:2411.04970. - 71.
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2024-11-09
04:01
Nailing down the theoretical uncertainties of $\overline{\rm D}$ spectrum produced from dark matter / Di Mauro, Mattia (INFN, Turin) ; Fornengo, Nicolao (Turin U.) ; Jueid, Adil (IBS, Daejeon, CTPU) ; de Austri, Roberto Ruiz (Valencia U., IFIC) ; Bellini, Francesca (INFN, Bologna)
The detection of cosmic antideuterons ($\overline{\rm D}$) at kinetic energies below a few GeV/n could provide a smoking gun signature for dark matter (DM). [...]
CTPU-PTC-24-31 ; CERN-TH-2024-164 ; arXiv:2411.04815. - 12.
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2024-11-07
04:54
Intergalactic magnetism in a gamma-ray beam as a model of Porphyrion / Neronov, A. (APC, Paris ; LASTRO Observ.) ; Vazza, F. (U. Bologna, DIFA ; Bologna, Ist. Radioastronomia) ; Brandenburg, A. (Royal Inst. Tech., Stockholm ; Stockholm U., OKC ; Carnegie Mellon U. (main) ; Ilia State U.) ; Caprini, C. (Geneva U., Dept. Theor. Phys. ; CERN)
We estimate the magnetic field in the jets of the recently discovered 7 Mpc long Porphyrion system. [...]
NORDITA-2024-041 ; CERN-TH-2024-187 ; arXiv:2411.01640. - 5.
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