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2025-01-04
04:26
Signals of nonrenormalizable Lorentz and CPT violation at the LHC / Lunghi, Enrico (Indiana U. ; CERN) ; Sherrill, Nathaniel (Hannover U.)
We examine nonrenormalizable Lorentz- and CPT-violating effective operators applied to the quark sector of the Standard Model. [...]
arXiv:2412.14305. - 7.
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2025-01-04
04:17
UHECR measurements and physics at man-made accelerators: mutual constraints / Garzelli, Maria Vittoria (Hamburg U., Inst. Theor. Phys. II ; CERN)
Measurements of the products of UHECR interactions with the Earth's atmosphere, as obtained in Extended Air Shower experiments, offer important information concerning hadronic interactions, which for some aspects overlaps and for many others complements the information extracted by measurements of collisions at human-made accelerators. [...]
CERN-TH-2024-227 ; arXiv:2501.00178. - 8.
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2025-01-04
04:17
Investigating the interplay between initial hard processes and final-state effects measuring prompt and non-prompt $J/\psi$ / Coquet, Maurice (SUBATECH, Nantes)
Charmonium production in high-energy collisions can be split into a prompt and a non-prompt component. [...]
arXiv:2501.00978. - 4.
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2025-01-04
04:16
A parallel algorithm for fast reconstruction of proton collisions on heterogeneous architectures / Dziurda, Agnieszka (Cracow, INP) ; Giza, Maciej (Cracow, INP) ; Gligorov, Vladimir V. (Paris U., VI-VII ; Paris, IN2P3 ; CERN) ; Hulsbergen, Wouter (Nikhef, Amsterdam) ; Kutsenko, Bogdan (Marseille, CPPM) ; Mariani, Saverio (CERN) ; Nolte, Niklas (MIT) ; Reiss, Florian (Freiburg U.) ; Spradlin, Patrick (Glasgow U.) ; vom Bruch, Dorothea (Marseille, CPPM) et al.
The physics programme of the LHCb experiment at the Large Hadron Collider requires an efficient and precise reconstruction of the particle collision vertices. [...]
arXiv:2412.14966. - 16.
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2025-01-04
04:11
Towards MPGDs with embedded pixel ASICs / Scharenberg, L. (CERN) ; Alozy, J. (CERN) ; Billereau, W. (CERN) ; Brunbauer, F. (CERN) ; Campbell, M. (CERN) ; Carbonez, P. (CERN) ; Flöthner, K.J. (CERN ; Bonn U., HISKP) ; Garcia, F. (Helsinki Inst. of Phys.) ; Garcia-Tejedor, A. (CERN ; SUBATECH, Nantes) ; Genetay, T. (CERN ; SUBATECH, Nantes) et al.
Combining gaseous detectors with a high-granularity pixelated charge readout enables experimental applications which otherwise could not be achieved. [...]
arXiv:2412.16950. - 6.
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2025-01-03
04:01
Quality Assurance and Quality Control of the $26~\text{m}^2$ SiPM production for the DarkSide-20k dark matter experiment / DarkSide-20k Collaboration
DarkSide-20k is a novel liquid argon dark matter detector currently under construction at the Laboratori Nazionali del Gran Sasso (LNGS) of the Istituto Nazionale di Fisica Nucleare (INFN) that will push the sensitivity for Weakly Interacting Massive Particle (WIMP) detection into the neutrino fog. [...]
arXiv:2412.18867. -
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2025-01-01
04:35
Precise Determination of the Strong Coupling Constant from Dijet Cross Sections up to the Multi-TeV Range / Ahmadova, Fazila (Garching, Max Planck Inst. ; Zurich U.) ; Britzger, Daniel (Garching, Max Planck Inst.) ; Chen, Xuan (Shandong U.) ; Gäßler, Johannes (KIT, Karlsruhe, ETP) ; Gehrmann-De Ridder, Aude (Zurich U. ; Zurich, ETH) ; Gehrmann, Thomas ; Glover, Nigel (Zurich U. ; Durham U., IPPP) ; Gwenlan, Claire (Oxford U.) ; Heinrich, Gudrun (KIT, Karlsruhe, TP) ; Huss, Alexander (CERN) et al.
We determine the value of the strong coupling $\alpha_\text{s}$ and study its running over a wide range of scales as probed by the dijet production process at hadron colliders, based on an NNLO QCD analysis of LHC dijet data. [...]
CERN-TH-2024-224 ; KA-TP-25-2024 ; MPP-2024-260 ; ZU-TH/01/25 ; arXiv:2412.21165. - 5.
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2025-01-01
04:33
Top-quark pole mass extraction at NNLO accuracy / Alekhin, S. ; Garzelli, M.V. ; Mazzitelli, J. ; Moch, S.-O. ; Zenaiev, O.
We describe our recent NNLO QCD extraction of the top-quark pole mass from fits to experimental data on total inclusive and normalized (multi)-differential cross sections for $t\bar{t} + X$ hadroproduction, using as input various modern PDF + $\alpha_s(M_Z)$ sets. [...]
CERN-TH-2024-225 ; arXiv:2412.20259. - 6.
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2025-01-01
04:33
Measurement of the hard exclusive $\pi^{0}$ muoproduction cross section at COMPASS / COMPASS Collaboration
A new and detailed measurement of the cross section for hard exclusive neutral-pion muoproduction on the proton was performed in a wide kinematic region, with the photon virtuality $Q^2$ ranging from 1 to 8 (GeV/$c$)$^{\rm\, 2}$ and the Bjorken variable $x_{\rm Bj}$ ranging from 0.02 to 0.45. [...]
arXiv:2412.19923. -
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2025-01-01
04:33
Charm production and hadronisation in pp and p--Pb collisions at $\sqrt{s_{\rm NN}} = $ 5.02 TeV at the LHC with ALICE / Cheng, Tiantian (Hua-Zhong Normal U. ; Darmstadt, GSI)
Production measurements of charm hadrons, particularly the yield ratios of different hadron species as a function of the transverse momentum, are important to study the charm hadronisation mechanism. [...]
arXiv:2412.20939. - 4.
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