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View article: Search for a new neutral gauge boson produced in association with one or two b jets and decaying into a pair of muons in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Search for a new neutral gauge boson produced in association with one or two b jets and decaying into a pair of muons in proton-proton collisions at $\sqrt{s}$ = 13 TeV Open
A search for a new neutral gauge boson, Z', produced in association with one or two jets, including at least one b jet, and decaying into a pair of muons is presented. The analysis uses proton-proton collision data collected with the CMS d…
View article: Search for low-mass hidden-valley dark showers with non-prompt muon pairs in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Search for low-mass hidden-valley dark showers with non-prompt muon pairs in proton-proton collisions at $\sqrt{s}$ = 13 TeV Open
A search for signatures of a dark analog to quantum chromodynamics is performed. The analysis targets long-lived dark mesons that decay into standard-model particles, with a high branching fraction of the dark mesons decaying into muons. T…
View article: Jet fragmentation function and groomed substructure of bottom quark jets in proton-proton collisions at 5.02 TeV
Jet fragmentation function and groomed substructure of bottom quark jets in proton-proton collisions at 5.02 TeV Open
A measurement of the substructure of bottom quark jets (b jets) in proton-proton (pp) collisions is presented. The measurement uses data collected in pp collisions at $\sqrt{s}$ = 5.02 TeV recorded by the CMS experiment in 2017, correspond…
View article: Sentiment Analysis and Classification of User Reviews of the 'Access by KAI' Application Using Machine Learning Methods to Improve Service Quality
Sentiment Analysis and Classification of User Reviews of the 'Access by KAI' Application Using Machine Learning Methods to Improve Service Quality Open
This research applies sentiment analysis to understand user perceptions of the Access by KAI application, especially specific aspects such as speed, payment process, and user interface (UI/UX). User reviews are collected and processed thro…
View article: MATHUSLA: An External Long-Lived Particle Detector to Maximize the Discovery Potential of the HL-LHC
MATHUSLA: An External Long-Lived Particle Detector to Maximize the Discovery Potential of the HL-LHC Open
We present the current status of the MATHUSLA (MAssive Timing Hodoscope for Ultra-Stable neutraL pArticles) long-lived particle (LLP) detector at the HL-LHC, covering the design, fabrication and installation at CERN Point 5. MATHUSLA40 is …
View article: Conceptual Design Report for the MATHUSLA Long-Lived Particle Detector near CMS
Conceptual Design Report for the MATHUSLA Long-Lived Particle Detector near CMS Open
We present the Conceptual Design Report (CDR) for the MATHUSLA (MAssive Timing Hodoscope for Ultra-Stable neutraL pArticles) long-lived particle detector at the HL-LHC, covering the design, fabrication and installation at CERN Point 5. MAT…
View article: Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Inclusive and differential measurements of the $\mathrm{t\bar{t}}γ$ cross section and the $\mathrm{t\bar{t}}γ/\mathrm{t\bar{t}}$ cross section ratio in proton-proton collisions at $\sqrt{s}$ = 13 TeV Open
Inclusive and differential cross section measurements of top quark pair ($\mathrm{t\bar{t}}$) production in association with a photon ($γ$) are performed as a function of lepton, photon, top quark, and $\mathrm{t\bar{t}}$ kinematic observa…
View article: Search for a low-mass neutral Higgs boson with suppressed couplings to fermions using events with multiphoton final states
Search for a low-mass neutral Higgs boson with suppressed couplings to fermions using events with multiphoton final states Open
A search for a Higgs boson with suppressed couplings to fermions, hf , assumed to be the neutral, lower-mass partner of the Higgs boson discovered at the Large Hadron Collider, is reported. Such a Higgs boson could exist in extensions of t…
View article: Search for third generation scalar leptoquarks in the ttau channel with the CMS detector
Search for third generation scalar leptoquarks in the ttau channel with the CMS detector Open
A search for pair production of third generation scalar leptoquarks decaying to a top quark and a tau lepton is presented using 19.5/fb of proton-proton collision data at a center-of-mass energy of 8 TeV collected by the CMS detector at th…