Encuentro atlético de toros y equinos:

Fariña, Germán Isauro Garrido; Rodríguez-Salazar, Luis Mauricio; Zárate, Carlos Ignacio Soto; Barrios, Adriana García

doi:10.2307/j.ctvnp0jqp.15

Cited by 1 publication

(1 citation statement)

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“…In addition to improving classification performance, ML techniques may also be able to make jet tagging more independent from simulation and robust to differences between simulation and data as well as between sideband and signal regions [36][37][38][39][40][41][42][43]. These and related techniques have also been proposed as more model-agnostic approaches to new particle searches [44][45][46][47][48].…”

Section: Introductionmentioning

confidence: 99%

Automating the construction of jet observables with machine learning

2019

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Machine-learning assisted jet substructure tagging techniques have the potential to significantly improve searches for new particles and Standard Model measurements in hadronic final states. Techniques with simple analytic forms are particularly useful for establishing robustness and gaining physical insight. We introduce a procedure to automate the construction of a large class of observables that are chosen to completely specify M -body phase space. The procedure is validated on the task of distinguishing H → bb from g → bb, where M = 3 and previous brute-force approaches to construct an optimal product observable for the M -body phase space have established the baseline performance. We then use the new method to design tailored observables for the boosted Z search, where M = 4 and brute-force methods are intractable. The new classifiers outperform standard 2-prong tagging observables, illustrating the power of the new optimization method for improving searches and measurement at the LHC and beyond.

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