Exploring Jet Substructure in Semi-visible jets

Abstract

Semi-visible jets arise in strongly interacting dark sectors, where parton evolution includes dark sector emissions, resulting in jets overlapping with missing transverse momentum. The implementation of semi-visible jets is done using the Pythia Hidden valley module to duplicate the QCD sector showering. In this work, several jet substructure observables have been examined to compare semi-visible jets and light quark/gluon jets. These comparisons were performed using different dark hadron fraction in the semi-visible jets (signal). The extreme scenarios where signal consists either of entirely dark hadrons or visible hadrons offers a chance to understand the effect of the specific dark shower model employed in these comparisons. We attempt to decouple the behaviour of jet-substructure observables due to inherent semi-visible jet properties, from model dependence owing to the existence of only one dark shower model as mentioned above.

arXiv comment19 pages, 13 figures. Added some $\eta -\varphi$ plane plots for the area encompassed by jets. Added discussions based on SciPost referee reports

References in corpus (38)

• The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
• The anti-k_t jet clustering algorithm
• An Introduction to PYTHIA 8.2
• FastJet user manual
• Tuning PYTHIA 8.1: the Monash 2013 Tune
• Identifying Boosted Objects with N-subjettiness
• Soft Drop
• Jet Trimming
• A New Era in the Quest for Dark Matter
• Energy Correlation Functions for Jet Substructure
• Robust Independent Validation of Experiment and Theory: Rivet version 3
• Correcting the Colour-Dipole Cascade Model with Fixed Order Matrix Elements
• Multijet matrix elements and shower evolution in hadronic collisions: W b bbar + n jets as a case study
• Jet Substructure at the Large Hadron Collider: Experimental Review
• Energy Flow Networks: Deep Sets for Particle Jets
• Power Counting to Better Jet Observables
• Gaining (Mutual) Information about Quark/Gluon Discrimination
• Deep-learned Top Tagging with a Lorentz Layer
• New Angles on Energy Correlation Functions
• Systematics of quark/gluon tagging
• Semi-visible Jets: Dark Matter Undercover at the LHC
• Energy flow polynomials: A complete linear basis for jet substructure
• Visible Effects of Invisible Hidden Valley Radiation
• Search for squarks and gluinos in final states with jets and missing transverse momentum using 139 fb${}^{-1}$ of $\sqrt{s}$ =13 TeV $pp$ collision data with the ATLAS detector
• LHC Searches for Dark Sector Showers
• Jets from Jets: Re-clustering as a tool for large radius jet reconstruction and grooming at the LHC
• Tagging a jet from a dark sector with Jet-substructures at colliders
• A measurement of soft-drop jet observables in $pp$ collisions with the ATLAS detector at $\sqrt{s}=13$ TeV
• Strongly interacting dark sectors in the early Universe and at the LHC through a simplified portal
• Casting a graph net to catch dark showers
• Boosted $W/Z$ Tagging with Jet Charge and Deep Learning
• Dark matter in Hidden Valley models with stable and unstable light dark mesons
• Collider phenomenology of Hidden Valley mediators of spin 0 or 1/2 with semivisible jets
• Jet Substructure from Dark Sector Showers
• Binary JUNIPR: an interpretable probabilistic model for discrimination
• Neural Network-based Top Tagger with Two-Point Energy Correlations and Geometry of Soft Emissions
• Reports of My Demise Are Greatly Exaggerated: $N$-subjettiness Taggers Take On Jet Images
• Fast simulation of detector effects in Rivet

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• Equivariant, Safe and Sensitive -- Graph Networks for New Physics
• Searching for dark jets with displaced vertices using weakly supervised machine learning
• Dark Sector Showers in the Lund Jet Plane
• Triggering Dark Showers with Conditional Dual Auto-Encoders
• Autoencoders for Real-Time SUEP Detection
• Semi-visible jets + X: Illuminating Dark Showers with Radiation
• 2B or not 2B, a study of bottom-quark-philic semi-visible jets
• Theory, phenomenology, and experimental avenues for dark showers: a Snowmass 2021 report