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2024-09-26
18:25
Energy-scaling behavior of intrinsic transverse momentum parameters in Drell-Yan simulation
We present an analysis based on models of the intrinsic transverse momentum of partons in nucleons by studying the dilepton transverse momentum in Drell-Yan events. [...]
CERN-EP-2024-216 ; CMS-GEN-22-001-003. - 2024.
Additional information for the analysis - CMS AuthorList - Fulltext

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2024-09-26
06:53
Searches for long-lived dark photons at proton accelerator experiments / Kyselov, Yehor ; Ovchynnikov, Maksym
A systematic and unified study of the ability of lifetime frontier experiments to explore the parameter space of hypothetical long-lived particles is one of the main steps in defining their parameter space. [...]
CERN-TH-2024-157 ; arXiv:2409.11096. -
Fulltext

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2024-09-26
06:51
How new physics affects primordial neutrinos decoupling: Direct Simulation Monte Carlo approach / Ovchynnikov, Maksym ; Syvolap, Vsevolod
Cosmological observations from Big Bang Nucleosynthesis and the Cosmic Microwave Background (CMB) offer crucial insights into the Early Universe, enabling us to trace its evolution back to lifetimes as short as 0.01 seconds. [...]
CERN-TH-2024-156 ; arXiv:2409.07378. -
Fulltext

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2024-09-26
06:46
Determination of the strong coupling from jet measurements at CMS / Connor, Patrick L.S. (Hamburg U.)
A vast program of determinations of the strong coupling $\alpha_\mathrm{S}$ is being undertaken by CMS. [...]
CMS CR-2024/184 ; arXiv:2409.16139. - 6 p.
Fulltext

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2024-09-26
06:44
Primordial neutrinos and new physics: novel approach to solving neutrino Boltzmann equation / Ovchynnikov, Maksym ; Syvolap, Vsevolod
Understanding how hypothetical new physics influences primordial neutrinos is essential in light of interpreting past and ongoing CMB observations. [...]
CERN-TH-2024-159 ; arXiv:2409.15129. -
Fulltext

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2024-09-25
04:15
Plausible constraints and inflationary production for dark photons / Cline, James M. (McGill U. ; CERN) ; Herrera, Gonzalo (CERN ; Virginia Tech.)
Generic constraints on dark photons are generally presented assuming they have Stueckelberg masses. [...]
CERN-TH-2024-154 ; arXiv:2409.13818. - 5 p.
Fulltext

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2024-09-25
04:15
Kolya: an open-source package for inclusive semileptonic $B$ decays / Fael, Matteo (CERN) ; Milutin, Ilija S. (Siegen U.) ; Vos, K. Keri (Maastricht U. ; NIKHEF, Amsterdam)
We introduce the code kolya, an open-source tool for phenomenological analyses of inclusive semileptonic $B$ meson decays. [...]
Nikhef 2023-022 ; CERN-TH-2024-155 ; SI-HEP-2024-20 ; P3H-24-065 ; arXiv:2409.15007. - 37 p.
Fulltext

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2024-09-24
08:36
Search for same-charge top-quark pair production in $pp$ collisions at $\sqrt{s}=$ 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for the production of top-quark pairs with the same electric charge ($tt$ or $\bar{t}\bar{t}$) is presented. [...]
arXiv:2409.14982 ; CERN-EP-2024-226. - 2024. - 52 p.
Fulltext - Previous draft version - Fulltext

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2024-09-24
04:25
New insights into strange-quark hadronization measuring multiple (multi-)strange hadron production in small collision systems with ALICE / Pucillo, Sara (Turin U.)
Among the most important results from the Run-1 and Run-2 of the LHC is the observation of an enhanced production of (multi-)strange to non-strange hadron yields, gradually rising from low-multiplicity to high-multiplicity pp and p--Pb collisions, reaching values close to those measured in peripheral Pb--Pb collisions. [...]
arXiv:2409.12987. - 4 p.
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2024-09-24
04:21
Testing CPT symmetry via precision mass measurements of multi-strange baryons in ALICE / Schotter, Romain (Stefan Meyer Inst. Subatomare Phys.)
In these proceedings, the measurements of the $\Xi^-$, $\overline{\Xi}^+$, $\Omega^-$, $\overline{\Omega}^+$ masses and the mass differences between particle and anti-particle have been measured in pp collisions collected by the ALICE Collaboration during LHC Run 2. [...]
arXiv:2409.13593. - 4 p.
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