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Title: A complete basis of helicity operators for subleading factorization

Journal Article · · Journal of High Energy Physics (Online)
 [1];  [2];  [3];  [2]
  1. Harvard Univ., Cambridge, MA (United States)
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  3. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

Factorization theorems underly our ability to make predictions for many processes involving the strong interaction. Although typically formulated at leading power, the study of factorization at subleading power is of interest both for improving the precision of calculations, as well as for understanding the all orders structure of QCD. We use the SCET helicity operator formalism to construct a complete power suppressed basis of hard scattering operators for e+e- → dijets, e-p → e- jet, and constrained Drell-Yan, including the first two subleading orders in the amplitude level power expansion. We analyze the field content of the jet and soft function contributions to the power suppressed cross section for e+e- → dijet event shapes, and give results for the lowest order matching to the contributing operators. These results will be useful for studies of power corrections both in fixed order and resummed perturbation theory.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Grant/Contract Number:
AC02-05CH11231; SCD011090
OSTI ID:
1485067
Journal Information:
Journal of High Energy Physics (Online), Vol. 2017, Issue 11; ISSN 1029-8479
Publisher:
Springer BerlinCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 47 works
Citation information provided by
Web of Science

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Cited By (31)

Next-to-leading power corrections to V + 1 jet production in N -jettiness subtraction journal January 2020
Anomalous dimension of subleading-power N-jet operators. Part II journal November 2018
Power corrections for N-jettiness subtractions at O α s $$ \mathcal{O}\left({\alpha}_s\right) $$ journal December 2018
Renormalization of dijet operators at order 1/Q2 in soft-collinear effective theory journal May 2018
Impact of isolation and fiducial cuts on qT and N-jettiness subtractions text January 2020
Subleading power factorization with radiative functions journal November 2019
Violation of the Kluberg-Stern-Zuber theorem in SCET journal September 2019
Power counting and modes in SCET journal February 2018
A subleading power operator basis for the scalar quark current journal April 2018
Leading-logarithmic threshold resummation of Higgs production in gluon fusion at next-to-leading power journal January 2020
N -jettiness subtractions for g g H at subleading power journal January 2018
First subleading power resummation for event shapes journal August 2018
Helicity methods for high multiplicity subleading soft and collinear limits journal May 2019
On next-to-leading power threshold corrections in Drell-Yan production at N3LO journal October 2018
Next-to-leading-logarithmic power corrections for N -jettiness subtraction in color-singlet production journal April 2018
Subleading Power Rapidity Divergences and Power Corrections for $q_T$ text January 2019
Impact of Isolation and Fiducial Cuts on $q_T$ and N-Jettiness Subtractions text January 2019
Soft-gluon and Coulomb corrections to hadronic top-quark pair production beyond NNLO text January 2018
Next-to-leading-logarithmic power corrections for $N$-jettiness subtraction in color-singlet production text January 2018
Diagrammatic resummation of leading-logarithmic threshold effects at next-to-leading power text January 2019
Leading-logarithmic threshold resummation of Higgs production in gluon fusion at next-to-leading power text January 2019
TMD fragmentation functions at N3LO journal July 2021
Collinear expansion for color singlet cross sections journal September 2020
Drell-Yan $q_{T}$ resummation of fiducial power corrections at N$^{3}$LL text January 2021
Helicity Methods for High Multiplicity Subleading Soft and Collinear Limits text January 2018
Next-to-leading power threshold effects for resummed prompt photon production text January 2019
Violation of the Kluberg-Stern--Zuber theorem in SCET text January 2019
Impact of Isolation and Fiducial Cuts on $q_T$ and N-Jettiness Subtractions text January 2019
N-jettiness beam functions at N3LO text January 2020
Towards all-order factorization of QED amplitudes at next-to-leading power text January 2020
Factorization for Azimuthal Asymmetries in SIDIS at Next-to-Leading Power text January 2021

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