2021
DOI: 10.1007/jhep11(2021)042
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Could MT2 be a singularity variable?

Abstract: The algebraic singularity method is a framework for analyzing collider events with missing energy. It provides a way to draw out a set of singularity variables that can catch singular features originating from the projection of full phase space onto the observable phase space of measured particle momenta. It is a promising approach applicable to various physics processes with missing energy but still requires more studies for use in practice. Meanwhile, in the double-sided decay topology with an invisible part… Show more

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Cited by 3 publications
(2 citation statements)
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“…7(a) in three or two spatial dimensions , and the Cambridge M T2 variable from Sec. V.B (Park, 2021a). However, there are also more recently discovered singularity variables like the Δ 4 variable (Agrawal et al, 2014;Debnath et al, 2019), which is applicable to the three-step, two-body decay chain in Fig.…”
Section: Singularity Variablesmentioning
confidence: 99%
“…7(a) in three or two spatial dimensions , and the Cambridge M T2 variable from Sec. V.B (Park, 2021a). However, there are also more recently discovered singularity variables like the Δ 4 variable (Agrawal et al, 2014;Debnath et al, 2019), which is applicable to the three-step, two-body decay chain in Fig.…”
Section: Singularity Variablesmentioning
confidence: 99%
“…We will not further investigate the features of analytical reconstruction in our current study, since these masses are unknown a priory when applying the method to new physics beyond the SM, and it is difficult to generalize unlike other methods. Finally, we refer to Refs [75][76][77][78][79][80] for readers who are interested in the singularity variables.…”
Section: A6 Analytic Reconstructionmentioning
confidence: 99%