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2023-01-27
14:35
Search for flavor-changing neutral-current couplings between the top quark and the $Z$ boson with LHC Run 2 proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for flavor-changing neutral-current couplings between a top quark, an up or charm quark and a $Z$ boson is presented, using proton-proton collision data at $\sqrt{s} = 13$ TeV collected by the ATLAS detector at the Large Hadron Collider [...]
CERN-EP-2022-044. - 2023.
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2023-01-27
11:16
Machine Learning in Top Physics in the ATLAS and CMS Collaborations / Keicher, Philip Daniel (Hamburg U.) /ATLAS and CMS Collaborations
Machine learning is essential in many aspects of top-quark related physics in the ATLAS and CMS Collaborations. This work aims to give a brief overview over current applications in the two collaborations as well as on-going studies for future applications.\footnote{Copyright 2023 CERN for the benefit of the ATLAS and CMS Collaborations. Reproduction of this article or parts of it is allowed as specified in the CC-BY-4.0 license}
CMS-CR-2023-006.- Geneva : CERN, 2023 - 9 p. Fulltext: PDF;
In : 15th International Workshop on Top-Quark Physics (TOP 2022), Durham, UK, 4 - 9 Sep 2022

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2023-01-27
08:40
Modeling HI at the field level / Obuljen, Andrej (Zurich U.) ; Simonović, Marko (CERN) ; Schneider, Aurel (Zurich U.) ; Feldmann, Robert (Zurich U.)
We use an analytical forward model based on perturbation theory to predict the neutral hydrogen (HI) overdensity maps at low redshifts. [...]
CERN-TH-2022-127 ; arXiv:2207.12398. - 23 p.
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2023-01-27
08:28
Phase Transitions in Particle Physics -- Results and Perspectives from Lattice Quantum Chromo-Dynamics / Aarts, Gert (Swansea U. ; ECT, Trento ; Fond. Bruno Kessler, Trento) ; Aichelin, Joerg (SUBATECH, Nantes) ; Allton, Chris (Swansea U.) ; Athenodorou, Andreas (INFN, Pisa ; Cyprus Inst.) ; Bachtis, Dimitrios (Swansea U., Math. Dept.) ; Bonanno, Claudio (INFN, Florence ; Madrid, IFT ; Madrid, Autonoma U.) ; Brambilla, Nora (Munich, Tech. U.) ; Bratkovskaya, Elena (Darmstadt, GSI ; Frankfurt U. ; Helmholtz Res. Acad. Hesse for FAIR) ; Bruno, Mattia (Milan Bicocca U. ; INFN, Milan Bicocca) ; Caselle, Michele (Turin U.) et al.
Phase transitions in a non-perturbative regime can be studied by ab initio Lattice Field Theory methods. [...]
arXiv:2301.04382. - 89 p.
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2023-01-27
08:26
Measuring $\mu_{B}$ at the LHC with ALICE / Ciacco, Mario
The baryon chemical potential $\mu_B$ is a fundamental parameter for the statistical mechanical description of particle production in heavy-ion collisions: its value encodes the average net baryon content of the fireball at chemical freeze-out. [...]
arXiv:2301.11091. - 7 p.
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2023-01-27
08:14
Azimuthal di-jet correlations with parton branching TMD distributions / Bermudez Martinez, A. (DESY) ; Hautmann, F. (CERN ; Antwerp U. ; U. Oxford (main))
The parton branching formulation of TMD evolution has recently been used to make predictions for jet observables at the Large Hadron Collider (LHC), including perturbative matching at next-to-leading order (NLO). [...]
arXiv:2208.08446 ; CERN-TH-2022-137 ; DESY-22-135. - 7 p.
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2023-01-27
05:58
Production measurements of heavy quarks in pp collisions at $\sqrt{s}$ = 13 TeV with the ALICE detector / Shaba, Tebogo Joyce (Cape Town U.)
Heavy-flavour production measurements in pp collisions are important tools to test theoretical models based on perturbative quantum chromodymanics (pQCD) and to investigate the heavy-quark hadronization mechanisms. [...]
arXiv:2301.11141. -
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2023-01-26
15:26
A study of $C\!P$ violation in the decays $B^\pm\to[K^+K^-\pi^+\pi^-]_D h^{\pm}$ ($h = K, \pi$) and $B^\pm\to[\pi^+\pi^-\pi^+\pi^-]_D h^{\pm}$
The first study of $C\!P$ violation in the decay mode $B^\pm\to[K^+K^-\pi^+\pi^-]_D h^{\pm}$, with $h=K,\pi$, is presented, exploiting a data sample of proton-proton collisions collected by the LHCb experiment that corresponds to an integrated luminosity of $9$ fb$^{-1}$. [...]
CERN-EP-2022-285 ; arXiv:2301.10328 ; LHCB-PAPER-2022-037. - 2023.
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2023-01-26
13:46
Unfolding the Labyrinth: Open Problems in Mathematics, Physics, Astrophysics, and Other Areas of Science / Smarandache, Florentin ; Christianto, V ; Yuhua, Fu ; Khrapko, R ; Hutchison, J
Throughout this book, we discuss some open problems in various branches of science, including mathematics, theoretical physics, astro-physics, geophysics etc. [...]
math/0609238. - 2006. - 139 p.
VIXRA - Full text

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2023-01-26
13:46
Diagnostic Needs for Wakefield Accelerator Experiments / Cianchi, A (Rome U., Tor Vergata)
Wakefield accelerators are under development in many laboratories worldwide. [...]
arXiv:2005.08376. - 2020. - 11 p.
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