Looking Inside Jets by Simone Marzani & Gregory Soyez & Michael Spannowsky

Author:Simone Marzani & Gregory Soyez & Michael Spannowsky
Language: eng
Format: epub
ISBN: 9783030157098
Publisher: Springer International Publishing

Finally, we can argue that this extra transition point is pathological and a strong motivation to prefer the mMDT and SoftDrop over trimming. Indeed, this transition point produces a kink in the mass spectrum (see also Sect. 6.3 below), smeared by subleading contributions. Finding a possible signal in this region, or using this mass domain as a side-band for a signal in an adjacent mass window, would then become much more complex, if not impossible. Additionally, this region would also receive single-logarithmic contributions from soft-and-large angle emissions and non-global logarithms (albeit suppressed by ) which were absent in the SoftDrop case.

Thus, all these factors render the calculation of the trimmed mass spectra of the same degree of complexity as the plain jet mass, if not worse because of the presence of the transition points. On the other hand, the analytic structure we have found for SoftDrop was remarkable simpler and therefore amenable for precision calculations.

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