2020
DOI: 10.1007/jhep04(2020)027
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Singularity variables for missing energy event kinematics

Abstract: We discuss singularity variables which are properly suited for analyzing the kinematics of events with missing transverse energy at the LHC. We consider six of the simplest event topologies encountered in studies of leptonic W -bosons and top quarks, as well as in SUSY-like searches for new physics with dark matter particles. In each case, we illustrate the general prescription for finding the relevant singularity variable, which in turn helps delineate the visible parameter subspace on which the singularities… Show more

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Cited by 21 publications
(48 citation statements)
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References 180 publications
(362 reference statements)
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“…We would like to finalise this section with a short note on the applicability of GAN usage for fast detector simulation. As it is raised in [38], for a physics analysis, the systematic uncertainties associated with a GAN-generated sample cannot be smaller compared to those from the sample that GAN is trained on. At the same time, applying GANs also means making use of the prior knowledge about the structure of the data [39].…”
Section: Related Workmentioning
confidence: 99%
“…We would like to finalise this section with a short note on the applicability of GAN usage for fast detector simulation. As it is raised in [38], for a physics analysis, the systematic uncertainties associated with a GAN-generated sample cannot be smaller compared to those from the sample that GAN is trained on. At the same time, applying GANs also means making use of the prior knowledge about the structure of the data [39].…”
Section: Related Workmentioning
confidence: 99%
“…and even singular on the boundary ∂P NP [18][19][20][21][22][23][24][25][26][27]. Since the background distribution f SM is a smooth function across ∂P NP , the presence of f NP creates a discontinuous "jump" in the combined event density (1.2), precisely at the location of the boundary ∂P NP [16,17].…”
Section: Jhep12(2020)137mentioning
confidence: 99%
“…GANs belong to the class of unsupervised machine learning algorithms where a generative model is trained to produce new data which is indistinguishable under certain criteria from the training data. GANs are mainly used for image modeling [10], but in the last couple years, many applications have been found in High Energy Physics (HEP) [11][12][13][14][15][16][17][18][19][20]. Here, we propose to use the GANs to enhance the statistics of a given input Monte Carlo PDF by generating what we call synthetic replicas.…”
Section: Introductionmentioning
confidence: 99%