High precision predictions for exclusive VH production at the LHC

Li, Ye; Liu, Xiaohui

doi:10.1007/JHEP06(2014)028

Title: High precision predictions for exclusive VH production at the LHC

Abstract

We present a resummation-improved prediction for pp → VH + 0 jets at the Large Hadron Collider. We focus on highly-boosted final states in the presence of jet veto to suppress the tt¯ background. In this case, conventional fixed-order calculations are plagued by the existence of large Sudakov logarithms αⁿ_slog^m(p^veto_T/Q) for Q ~ m_V + m_H which lead to unreliable predictions as well as large theoretical uncertainties, and thus limit the accuracy when comparing experimental measurements to the Standard Model. In this work, we show that the resummation of Sudakov logarithms beyond the next-to-next-to-leading-log accuracy, combined with the next-to-next-to-leading order calculation, reduces the scale uncertainty and stabilizes the perturbative expansion in the region where the vector bosons carry large transverse momentum. Thus, our result improves the precision with which Higgs properties can be determined from LHC measurements using boosted Higgs techniques.

Authors:

Li, Ye ^[1]; Liu, Xiaohui ^[2]

SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
Argonne National Lab. (ANL), Argonne, IL (United States); Northwestern Univ., Evanston, IL (United States)

Publication Date:: Wed Jun 04 00:00:00 EDT 2014

Research Org.:: SLAC National Accelerator Lab., Menlo Park, CA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP)

OSTI Identifier:: 1179176

Report Number(s):: SLAC-PUB-15884
Journal ID: ISSN 1029-8479; arXiv:1401.2149

Grant/Contract Number:: AC02-76SF00515

Resource Type:: Accepted Manuscript

Journal Name:: Journal of High Energy Physics (Online)

Additional Journal Information:: Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2014; Journal Issue: 6; Journal ID: ISSN 1029-8479

Publisher:: Springer Berlin

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; experiment-HEP; phenomenology-HEP; HEPEX; HEPPH; Higgs physics; resummation; QCD

Citation Formats


                    Li, Ye, and Liu, Xiaohui. High precision predictions for exclusive VH production at the LHC.  United States: N. p., 2014. 
Web.  doi:10.1007/JHEP06(2014)028.

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                    Li, Ye, & Liu, Xiaohui. High precision predictions for exclusive VH production at the LHC.  United States.  https://doi.org/10.1007/JHEP06(2014)028

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                    Li, Ye, and Liu, Xiaohui. Wed .  
"High precision predictions for exclusive VH production at the LHC".  United States.  https://doi.org/10.1007/JHEP06(2014)028.  https://www.osti.gov/servlets/purl/1179176.

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@article{osti_1179176,

  title        = {High precision predictions for exclusive VH production at the LHC},

  author       = {Li, Ye and Liu, Xiaohui},

  abstractNote = {We present a resummation-improved prediction for pp → VH + 0 jets at the Large Hadron Collider. We focus on highly-boosted final states in the presence of jet veto to suppress the tt¯ background. In this case, conventional fixed-order calculations are plagued by the existence of large Sudakov logarithms αnslogm(pvetoT/Q) for Q ~ mV + mH which lead to unreliable predictions as well as large theoretical uncertainties, and thus limit the accuracy when comparing experimental measurements to the Standard Model. In this work, we show that the resummation of Sudakov logarithms beyond the next-to-next-to-leading-log accuracy, combined with the next-to-next-to-leading order calculation, reduces the scale uncertainty and stabilizes the perturbative expansion in the region where the vector bosons carry large transverse momentum. Thus, our result improves the precision with which Higgs properties can be determined from LHC measurements using boosted Higgs techniques.},

  doi          = {10.1007/JHEP06(2014)028},

  journal      = {Journal of High Energy Physics (Online)},

  number       = 6,

  volume       = 2014,

  place        = {United States},

  year         = {Wed Jun 04 00:00:00 EDT 2014},

  month        = {Wed Jun 04 00:00:00 EDT 2014}

}

Copy to clipboard

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Title: High precision predictions for exclusive VH production at the LHC

Abstract

Citation Formats

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Invariant operators in collinear effective theory journal, September 2001

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Factorization and N3LLp+NNLO predictions for the Higgs cross section with a jet veto journal, October 2013

Jet veto clustering logarithms beyond leading order journal, March 2014

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Jet Substructure as a New Higgs-Search Channel at the Large Hadron Collider
journal, June 2008

QCD correction to the pp → WH and ZH total cross sections
journal, December 1991

A complete calculation of the order αs2 correction to the Drell-Yan K-factor
journal, August 1991

Next-to-Next-to-Leading Order Higgs Production at Hadron Colliders
journal, May 2002

Associated Higgs- $W$ -Boson Production at Hadron Colliders: A Fully Exclusive QCD Calculation at NNLO
journal, October 2011

Resummation prediction on Higgs and vector boson associated production with a jet veto at the LHC
journal, February 2014

Higgs production with a central jet veto at NNLL+NNLO
journal, April 2011

NLL+NNLO predictions for jet-veto efficiencies in Higgs-boson and Drell-Yan production
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Higgs- and $Z$ -boson Production with a Jet Veto
journal, November 2012

Invariant operators in collinear effective theory
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Factorization and NNLL Resummation for Higgs production with a jet veto
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Factorization and N3LLp+NNLO predictions for the Higgs cross section with a jet veto
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Jet veto clustering logarithms beyond leading order
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vh@nnlo—Higgs Strahlung at hadron colliders
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