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Title: Transverse vetoes with rapidity cutoff in SCET

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2]; ORCiD logo [3];  [4]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
  2. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Fudan Univ., Shanghai (China). Key Lab. of Nuclear Physics and Ion-beam Application (MOE). Inst. of Modern Physics
  3. Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Duke Univ., Durham, NC (United States). Dept. of Physics
  4. Duke Univ., Durham, NC (United States). Dept. of Physics

We consider di-jet production in hadron collisions where a transverse veto is imposed on radiation for (pseudo-)rapidities in the central region only, where this central region is defined with rapidity cutoff. For the case where the transverse measurement (e.g., transverse energy or min p T for jet veto) is parametrically larger relative to the typical transverse momentum beyond the cutoff, the cross section is insensitive to the cutoff parameter and is factorized in terms of collinear and soft degrees of freedom. The virtuality for these degrees of freedom is set by the transverse measurement, as in typical transverse-momentum dependent observables such as Drell-Yan, Higgs production, and the event shape broadening. This paper focuses on the other region, where the typical transverse momentum below and beyond the cutoff is of similar size. In this region the rapidity cutoff further resolves soft radiation into (u)soft and soft-collinear radiation with different rapidities but identical virtuality. This gives rise to rapidity logarithms of the rapidity cutoff parameter which we resum using renormalization group methods. We factorize the cross section in this region in terms of soft and collinear functions in the framework of soft-collinear effective theory, then further refactorize the soft function as a convolution of the (u)soft and soft-collinear functions. All these functions are calculated at one-loop order. As an example, we calculate a differential cross section for a specific partonic channel, qq ' → qq ' , for the jet shape angularities and show that the refactorization allows us to resum the rapidity logarithms and significantly reduce theoretical uncertainties in the jet shape spectrum.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); LANL Laboratory Directed Research and Development (LDRD) Program
Grant/Contract Number:
AC52-06NA25396; FG02-05ER41368
OSTI ID:
1416293
Report Number(s):
LA-UR-17-27349; TRN: US1800902
Journal Information:
Journal of High Energy Physics (Online), Vol. 2017, Issue 12; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 17 works
Citation information provided by
Web of Science

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Cited By (13)

Subleading power rapidity divergences and power corrections for qT journal April 2019
Non-global logarithms in jet and isolation cone cross sections journal August 2018
From underlying event sensitive to insensitive: factorization and resummation journal September 2018
Subtracted cumulants: Mitigating large background in jet substructure journal October 2019
Jet veto resummation with jet rapidity cuts text January 2019
Non-global logarithms in jet and isolation cone cross sections text January 2018
Jet veto resummation with jet rapidity cuts journal April 2019
Joint Two-Dimensional Resummation in $q_T$ and $0$-Jettiness at NNLL text January 2019
Subleading Power Rapidity Divergences and Power Corrections for $q_T$ text January 2019
Subleading Power Rapidity Divergences and Power Corrections for $q_T$ text January 2018
Jet angularity measurements for single inclusive jet production text January 2018
From Underlying Event Sensitive To Insensitive: Factorization and Resummation text January 2018
Jet Veto Resummation with Jet Rapidity Cuts text January 2018

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