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Letzte Einträge:
2025-02-19
04:19
First Search for Dark Sector $e^+e^-$ Explanations of the MiniBooNE Anomaly at MicroBooNE / MicroBooNE Collaboration
We present MicroBooNE's first search for dark sector $e^+e^-$ explanations of the long-standing MiniBooNE anomaly. [...]
arXiv:2502.10900 ; FERMILAB-PUB-25-0080.
- 7.
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2025-02-19
04:16
Conical Targets for Enhanced High-Current Positron Sources / Vallis, Nicolas (Minnesota U., Math. ; Northeastern U. ; PSI, Villigen ; CERN ; LPHE, Lausanne) ; Mena-Andrade, Ramiro (CERN) ; Humann, Barbara (CERN) ; Zhao, Yongke (CERN) ; Craievich, Paolo (Minnesota U., Math. ; Northeastern U. ; PSI, Villigen) ; Grenard, Jean-Louis (CERN) ; Latina, Andrea (CERN) ; Perillo-Marcone, Antonio (CERN) ; Zennaro, Riccardo (Minnesota U., Math. ; Northeastern U. ; PSI, Villigen) ; Alharthi, Fahad (IJCLab, Orsay) et al.
Previous pair-production-driven positron source designs have assumed that the transverse dimension of the target is significantly greater than the secondary beam it generates. [...]
arXiv:2502.10565.
- 15.
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2025-02-19
04:03
Performance studies of the CE-65v2 MAPS prototype structure / ALICE Collaboration
With the next upgrade of the ALICE inner tracking system (ITS3) as its primary focus, a set of small MAPS test structures have been developed in the 65 nm TPSCo CMOS process. [...]
arXiv:2502.04070.
- 6.
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2025-02-18
20:38
Development of systematic uncertainty-aware neural network trainings for binned-likelihood analyses at the LHC
We propose a neural network training method capable of accounting for the effects of systematic variations of the data model in the training process and describe its extension towards neural network multiclass classification. [...]
CERN-EP-2025-005 ; CMS-MLG-23-005-003.
- 2025
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2025-02-18
20:26
Search for medium effects using jet axis decorrelation in inclusive jets from PbPb collisions at $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 5.02 TeV
The jet axis decorrelation in inclusive jets is studied using lead-lead (PbPb) collisions at a center-of-mass energy per nucleon pair of 5.02 TeV. [...]
CERN-EP-2024-345 ; CMS-HIN-24-010-003.
- 2025
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2025-02-18
06:49
Status and challenges of Nb$_3$Sn accelerator magnets at CERN : Lessons learned from ITER to HL-LHC / Devred, A (CERN) ; Cabrera, C Abad ; Aviles Santillana, I (CERN) ; Axensalva, J (CERN) ; Bajas, H (Darmstadt, GSI) ; Bednarek, M (CERN) ; Bertarelli, A (CERN) ; Bourcey, N (CERN) ; Crouvizier, M (CERN) ; Duarte Ramos, D (CERN) et al.
The High-Luminosity Large Hadron Collider (HL-LHC) project at CERN has offered the opportunity to promote and develop various types of enabling accelerator technologies, such as MgB$_2$ superconducting links for cold powering and Nb$_3$Sn accelerator magnets for the interaction regions where the two high-luminosity experimental areas of the machine are located.A prototype superconducting link system has been successfully tested in the second quarter of 2024 and series production is now ongoing. [...]
CERN-2025-003.
- 2025 - 194. (CERN Yellow Reports: Monographs ; 3/2025)
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2025-02-18
05:16
The LHC as a TeV Muon Beam Dump: Muonphilic Scalars at FASER / Mammen Abraham, Roshan (UC, Irvine) ; Fieg, Max (UC, Irvine)
The FASER experiment was designed to study long-lived dark sector particles and neutrinos traveling in the forward direction at the LHC. [...]
arXiv:2501.09071.
- 13.
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2025-02-18
05:12
Ultra-Light Dark Matter Simulations and Stellar Dynamics: Tension in Dwarf Galaxies for $m < 5\times10^{-21} $ eV / Teodori, Luca (Weizmann Inst.) ; Caputo, Andrea (CERN ; Rome U.) ; Blum, Kfir (Weizmann Inst.)
We present numerical simulations of dark matter and stellar dynamics in Ultra Light Dark Matter halos tailored to mimic dwarf galaxies. [...]
arXiv:2501.07631.
- 13.
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2025-02-18
05:11
The hadronic contribution to the running of $\alpha$ and the electroweak mixing angle / Conigli, Alessandro (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) ; Ottnad, Konstantin (U. Mainz, PRISMA) ; Wittig, Hartmut (Helmholtz Inst., Mainz ; Darmstadt, GSI ; U. Mainz, PRISMA)
We report on our update to [1] on the hadronic running of electroweak couplings from $O(a)$-improved Wilson fermions with $N_f=2+1$ flavours. [...]
MITP-25-007 ; CERN-TH-2025-022 ; arXiv:2502.10159.
- 10.
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2025-02-18
05:04
Neutrino Interaction Vertex Reconstruction in DUNE with Pandora Deep Learning / DUNE Collaboration
The Pandora Software Development Kit and algorithm libraries perform reconstruction of neutrino interactions in liquid argon time projection chamber detectors. [...]
arXiv:2502.06637 ; FERMILAB-PUB-25-0037-LBNF.
- 32.
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