2024-09-17
18:04 |
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2024-09-17
05:10 |
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2024-09-17
05:07 |
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Global analysis of charm mixing parameters and determination of the CKM angle $\gamma$
/ Betti, F. (U. Edinburgh (main)) ; Bona, M. (Queen Mary, U. of London) ; Ciuchini, M. (INFN, Rome3) ; Derkach, D. (Higher Sch. of Economics, Moscow) ; Di Palma, R. (INFN, Rome3 ; Rome III U.) ; Kagan, A.L. (Cincinnati U.) ; Lubicz, V. (INFN, Rome3 ; Rome III U.) ; Martinelli, G. (INFN, Rome) ; Pierini, M. (CERN) ; Silvestrini, L. (INFN, Rome) et al.
We present an updated global analysis of beauty decays sensitive to the angle $\gamma$ of the Cabibbo-Kobayashi-Maskawa matrix and of $D$-meson mixing data in the framework of approximate universality for charm mixing. [...]
arXiv:2409.06449.
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21 p.
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2024-09-17
05:07 |
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2024-09-17
04:56 |
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A collinear shower algorithm for NSL non-singlet fragmentation
/ van Beekveld, Melissa (NIKHEF, Amsterdam) ; Dasgupta, Mrinal (Manchester U.) ; El-Menoufi, Basem Kamal (Monash U.) ; Helliwell, Jack (Oxford U., Theor. Phys.) ; Monni, Pier Francesco (CERN) ; Salam, Gavin P. (Oxford U., Theor. Phys. ; Oxford U.)
We formulate a collinear partonic shower algorithm that achieves next-to-single-logarithmic (NSL, $\alpha_s^n L^{n-1}$) accuracy for collinear-sensitive non-singlet fragmentation observables. [...]
CERN-TH-2024-125 ; Nikhef 2024-013 ; OUTP-24-05P ; arXiv:2409.08316.
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22 p.
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2024-09-16
16:45 |
Recent results in hadron spectroscopy from CMS
/ Mastrapasqua, Vincenzo (INFN, Bari ; Bari U.)
/CMS Collaboration
The present report summarizes recent results on the heavy flavor spectroscopy at the CMS experiment obtained using data collected at the Large Hadron Collider during the 2015-2018 data taking with proton-proton collisions at centre-of-mass energy of 13 TeV the results range from the observation of new structures in the di-charmonium mass spectrum to the observation of new decay modes of beauty baryons such as $\Xi_b^-$ and $\Lambda_b^0$..
CMS-CR-2024-163.-
Geneva : CERN, 2024 - 8 p.
Fulltext: PDF;
In : 11th International Workshop on QCD - Theory and Experiment (QCD@Work 2024), Trani, Italy, 18 - 21 Jun 2024
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2024-09-14
04:38 |
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Two-loop amplitudes for $\mathcal{O}(\alpha_s^2)$ corrections to $W\gamma\gamma$ production at the LHC
/ Badger, Simon (INFN, Turin) ; Hartanto, Heribertus Bayu (APCTP, Pohang ; POSTECH) ; Wu, Zihao (HIAS, UCAS, Hangzhou ; Unlisted, CN) ; Zhang, Yang (Hefei, CUST ; PCFT, Hefei) ; Zoia, Simone (PCFT, Hefei)
We present the two-loop helicity amplitudes contributing to the next-to-next-to-leading order QCD predictions for W-boson production in association with two photons at the Large Hadron Collider. [...]
CERN-TH-2024-146 ; USTC-ICTS/PCFT-24-29 ; arXiv:2409.08146.
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31 p.
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2024-09-13
04:51 |
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HEP Benchmark Suite: Enhancing Efficiency and Sustainability in Worldwide LHC Computing Infrastructures
/ Szczepanek, Natalia (CERN) ; Britton, David (Glasgow U.) ; Di Girolamo, Alessandro (CERN) ; Ketele, Ewoud (CERN) ; Glushkov, Ivan (Texas U., Arlington) ; Giordano, Domenico (CERN) ; Ondris, Ladislav (CERN) ; Simili, Emanuele (Glasgow U.) ; Borge, Gonzalo Menendez (CERN)
As the scientific community continues to push the boundaries of computing capabilities, there is a growing responsibility to address the associated energy consumption and carbon footprint. [...]
arXiv:2408.12445.
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8 p.
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2024-09-13
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2024-09-12
04:37 |
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Theoretical implications for a new measurement of $K_L\to \pi^0 \ell\ell$
/ D'Ambrosio, G. (Guglielmo Marconi U. ; U. Rome 2, Tor Vergata (main) ; INFN, Naples) ; Iyer, A.M. (Indian Inst. Tech., New Delhi ; IP2I, Lyon) ; Mahmoudi, F. (IP2I, Lyon ; CERN ; IUF, Paris) ; Neshatpour, S. (IP2I, Lyon)
Kaon physics is at an important experimental juncture with respect to the ongoing measurements of several observables. [...]
CERN-TH-2024-150 ; arXiv:2409.06545.
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14 p.
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