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CERN Accelerating science

CERN Preprints

Latest additions:
2024-05-23
05:15
Transverse polarization measurement of $\Lambda$ hyperons in $p$Ne collisions at $\sqrt{s_{NN}}$ = 68.4 GeV with the $\mbox{LHCb}$ detector / LHCb Collaboration
A measurement of the transverse polarization of the $\Lambda$ and $\bar{\Lambda}$ hyperons in $p$Ne fixed-target collisions at $\sqrt{s_{NN}}$ = 68.4 GeV is presented using data collected by the LHCb detector. [...]
arXiv:2405.11324 ; CERN-EP-2024-121 ; LHCb-PAPER-2024-009.
- 19 p.
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2024-05-23
05:14
Inclusive and differential results of top quark pair production from the ATLAS and CMS experiments / Walter, David (CERN)
This report summarizes recent results of inclusive and differential $\mathrm{t\bar{t}}$ cross section measurements from the ATLAS and CMS Collaborations at the LHC. [...]
arXiv:2312.00915.
- 6 p.
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2024-05-23
05:10
$b\to{}s\ell\ell$ decays at LHCb / Smith, Mark (Imperial Coll., London)
Flavour changing neutral currents are suppressed in the Standard Model, making them a prime avenue to search for new physics. [...]
arXiv:2405.11890.
- 6 p.
Fulltext

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2024-05-23
05:07
Accelerating Resonance Searches via Signature-Oriented Pre-training / Li, Congqiao (Peking U., SKLNPT) ; Agapitos, Antonios (Peking U., SKLNPT) ; Drews, Jovin (Hamburg U.) ; Duarte, Javier (UC, San Diego) ; Fu, Dawei (Peking U., SKLNPT) ; Gao, Leyun (Peking U., SKLNPT) ; Kansal, Raghav (UC, San Diego) ; Kasieczka, Gregor (Hamburg U.) ; Moureaux, Louis (Hamburg U.) ; Qu, Huilin (CERN) et al.
The search for heavy resonances beyond the Standard Model (BSM) is a key objective at the LHC. [...]
arXiv:2405.12972.
- 14 p.
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2024-05-23
05:07
Impact of bunch intensity asymmetry in colliders featuring strong beamstrahlung / Le Nguyen Nguyen, Khoi (CERN ; EPFL-ISIC, Lausanne ; Cambridge U.) ; Buffat, Xavier (CERN) ; Kicsiny, Peter (CERN ; EPFL-ISIC, Lausanne) ; Pieloni, Tatiana (EPFL-ISIC, Lausanne)
An analytical investigation of beamstrahlung-induced blow-up in Gaussian beams with arbitrary dimensions is presented, using various approximations for the strength of the hourglass effect and crab waist scheme. [...]
arXiv:2404.09012.
- 25 p.
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2024-05-23
04:59
Searches for Lepton Flavour Violation at ATLAS and CMS / Pacey, Holly (Oxford U.)
Lepton flavour violation (LFV), and lepton flavour university violation (LFUV), are striking signatures of beyond the Standard Model (BSM) physics. [...]
arXiv:2405.11572.
- 4 p.
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2024-05-23
04:54
Measurement of the effective leptonic electroweak mixing angle and Drell-Yan forward-backward asymmetry using pp collisions at $\sqrt{s}=13$ TeV / Khukhunaishvili, Aleko (Rochester U.)
A measurement of the effective leptonic weak mixing angle $\sin^2\theta_\mathrm{eff}^\ell$ is presented using the forward-backward asymmetry in Drell-Yan dilepton events produced in pp collisions at $\sqrt{s}=13$ TeV. [...]
arXiv:2405.11484.
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2024-05-23
04:54
Gravitational Wave-Induced Freeze-In of Fermionic Dark Matter / Maleknejad, Azadeh (King's Coll. London) ; Kopp, Joachim (CERN ; Mainz U., Inst. Phys. ; U. Mainz, PRISMA)
The minimal coupling of massless fermions to gravity does not allow for their gravitational production solely based on the expansion of the Universe. [...]
KCL-PH-TH/2024-28 ; CERN-TH-2024-061 ; MITP-24-050 ; arXiv:2405.09723.
- 6 p.
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2024-05-22
21:53
Dark sector searches with the CMS experiment
Astrophysical observations provide compelling evidence for gravitationally interacting dark matter in the universe that cannot be explained by the standard model of particle physics. [...]
CERN-EP-2024-106 ; CMS-EXO-23-005-003.
- 2024.
Additional information for the analysis - CMS AuthorList - Fulltext

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2024-05-21
15:23
Higgs and precision physics at CMS / Mondal, Spandan (Brown U.) /CMS Collaboration
Since the discovery of the Higgs boson in 2012, significant progress has been made in measuring several properties related to the Higgs boson. The large dataset available now facilitates precise measurements of the Higgs boson mass, natural width, couplings, production cross sections, and even differential and fiducial cross sections. [...]
CMS-CR-2024-091.- Geneva : CERN, 2024 - 5 p. Fulltext: PDF;
In : 58th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, It, 31 Mar - 7 Apr 2024

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