Convolved substructure: analytically decorrelating jet substructure observables

Moult, Ian; Nachman, Benjamin; Neill, Duff

doi:10.1007/jhep05(2018)002

Title: Convolved substructure: analytically decorrelating jet substructure observables

Abstract

A number of recent applications of jet substructure, in particular searches for light new particles, require substructure observables that are decorrelated with the jet mass. In this paper we introduce the Convolved SubStructure (CSS) approach, which uses a theoretical understanding of the observable to decorrelate the complete shape of its distribution. This decorrelation is performed by convolution with a shape function whose parameters and mass dependence are derived analytically. We consider in detail the case of the D₂ observable and perform an illustrative case study using a search for a light hadronically decaying Z'. We find that the CSS approach completely decorrelates the D₂ observable over a wide range of masses. Our approach highlights the importance of improving the theoretical understanding of jet substructure observables to exploit increasingly subtle features for performance.

Authors:

Moult, Ian ^[1]; Nachman, Benjamin ^[2]; Neill, Duff ^[3]

Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Publication Date:: 2018-05-02

Research Org.:: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

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

OSTI Identifier:: 1485093

Grant/Contract Number:: AC02-05CH11231; FG02-05ER41360; SC0011090; AC52-06NA25396

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: 2018; Journal Issue: 5; Journal ID: ISSN 1029-8479

Publisher:: Springer Berlin

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Jets QCD; Phenomenology

Citation Formats


                    Moult, Ian, Nachman, Benjamin, and Neill, Duff. Convolved substructure: analytically decorrelating jet substructure observables.  United States: N. p., 2018. 
Web.  doi:10.1007/jhep05(2018)002.

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                    Moult, Ian, Nachman, Benjamin, & Neill, Duff. Convolved substructure: analytically decorrelating jet substructure observables.  United States.  https://doi.org/10.1007/jhep05(2018)002

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                    Moult, Ian, Nachman, Benjamin, and Neill, Duff. Wed .  
"Convolved substructure: analytically decorrelating jet substructure observables".  United States.  https://doi.org/10.1007/jhep05(2018)002.  https://www.osti.gov/servlets/purl/1485093.

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@article{osti_1485093,

  title        = {Convolved substructure: analytically decorrelating jet substructure observables},

  author       = {Moult, Ian and Nachman, Benjamin and Neill, Duff},

  abstractNote = {A number of recent applications of jet substructure, in particular searches for light new particles, require substructure observables that are decorrelated with the jet mass. In this paper we introduce the Convolved SubStructure (CSS) approach, which uses a theoretical understanding of the observable to decorrelate the complete shape of its distribution. This decorrelation is performed by convolution with a shape function whose parameters and mass dependence are derived analytically. We consider in detail the case of the D2 observable and perform an illustrative case study using a search for a light hadronically decaying Z'. We find that the CSS approach completely decorrelates the D2 observable over a wide range of masses. Our approach highlights the importance of improving the theoretical understanding of jet substructure observables to exploit increasingly subtle features for performance.},

  doi          = {10.1007/jhep05(2018)002},

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

  number       = 5,

  volume       = 2018,

  place        = {United States},

  year         = {2018},

  month        = {5}

}

Copy to clipboard

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Figures / Tables:

Figure 1: The evolution of a two-prong observable, taken here to be D₂, with the jet mass is governed by the corresponding evolution of its perturbative and non-perturbative components. Here F_NP(ϵ;m) encodes the effects of hadronization, while F_P(ϵ;m₁;m₂) is a perturbatively calculable function describing the mapping between the perturbative distributionsmore »

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Title: Convolved substructure: analytically decorrelating jet substructure observables

Abstract

Citation Formats

Figures / Tables:

Casimir Meets Poisson: Improved Quark/Gluon Discrimination with Counting Observables text, January 2017

The anti- k t jet clustering algorithm journal, April 2008

Power corrections to event shapes and factorization journal, August 1999

Invariant Operators in Collinear Effective Theory text, January 2001

Non-global logarithms, factorization, and the soft substructure of jets journal, September 2015

Universal Nonperturbative Effects in Event Shapes from Soft-Collinear Effective Theory journal, April 2007

Search for heavy resonances decaying to a Z boson and a photon in pp collisions at s = 13 TeV with the ATLAS detector journal, January 2017

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An effective field theory for collinear and soft gluons: Heavy to light decays journal, May 2001

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Jets and Quantum Field Theory text, January 1995

PYTHIA 6.4 physics and manual journal, May 2006

Jet substructure with analytical methods text, January 2013

Energy Correlation Functions for Jet Substructure text, January 2013

FastJet user manual: (for version 3.0.2) journal, March 2012

A generic anti-QCD jet tagger journal, November 2017

Power corrections and nonlocal operators conference, January 1997

Search for heavy resonances that decay into a vector boson and a Higgs boson in hadronic final states at $$\sqrt{s} = 13$$ s = 13 $$\,\text {TeV}$$ TeV journal, September 2017

Inclusive Search for a Highly Boosted Higgs Boson Decaying to a Bottom Quark-Antiquark Pair journal, February 2018

Toward multi-differential cross sections: measuring two angularities on a single jet journal, September 2014

On jet substructure methods for signal jets journal, August 2015

Two-Jet Rate in e + e − at Next-to-Next-to-Leading-Logarithmic Order journal, October 2016

Search for heavy resonances decaying to two Higgs bosons in final states containing four b quarks journal, July 2016

Factorization and NNLL Resummation for Higgs production with a jet veto journal, July 2012

Dissecting Soft Radiation with Factorization journal, March 2015

An Effective Field Theory for Forward Scattering and Factorization Violation text, January 2016

Jets and quantum field theory journal, August 1996

Precision Jet Substructure from Boosted Event Shapes text, January 2012

A study of jet mass distributions with grooming journal, July 2017

Precision Jet Substructure from Boosted Event Shapes journal, August 2012

An effective field theory for forward scattering and factorization violation journal, August 2016

Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the q q ¯ ( ′ ) b b ¯ final state in pp collisions at s = 13 TeV with the ATLAS detector journal, November 2017

Analytic boosted boson discrimination journal, May 2016

The anti-k_t jet clustering algorithm text, January 2008

Momentum flow correlations from event shapes: Factorized soft gluons and soft-collinear effective theory journal, January 2007

Factorization and Resummation for Groomed Multi-Prong Jet Shapes text, January 2017

Invariant operators in collinear effective theory journal, September 2001

Back-to-back jets in QCD journal, December 1981

Soft drop journal, May 2014

Soft gluons and factorization journal, October 1988

Thinking outside the ROCs: Designing Decorrelated Taggers (DDT) for jet substructure journal, May 2016

Energy correlation functions for jet substructure journal, June 2013

Identification of boosted, hadronically decaying W bosons and comparisons with ATLAS data taken at $$\sqrt{s} = 8$$ s = 8 TeV journal, March 2016

Search for Low Mass Vector Resonances Decaying to Quark-Antiquark Pairs in Proton-Proton Collisions at s = 13 TeV journal, September 2017

Factorization Of Hard Processes In QCD book, July 1989

New angles on energy correlation functions journal, December 2016

Factorization for short distance hadron-hadron scattering journal, January 1985

Dissecting Soft Radiation with Factorization text, January 2014

Factorization for groomed jet substructure beyond the next-to-leading logarithm journal, July 2016

Resummation of double-differential cross sections and fully-unintegrated parton distribution functions journal, February 2015

Hard scattering factorization from effective field theory journal, July 2002

Designing gapped soft functions for jet production journal, March 2008

An introduction to PYTHIA 8.2 journal, June 2015

Transverse momentum distribution in Drell-Yan pair and W and Z boson production journal, January 1985

Jet substructure with analytical methods journal, November 2013

Towards an understanding of jet substructure journal, September 2013

Casimir meets Poisson: improved quark/gluon discrimination with counting observables journal, September 2017

Factorization and resummation for generic hierarchies between Jets journal, August 2016

On jet substructure methods for signal jets text, January 2015

Factorization and resummation for groomed multi-prong jet shapes journal, February 2018

Search for massive resonances decaying into W W , W Z , Z Z , q W , and q Z with dijet final states at s = 13 TeV journal, April 2018

The two-jet rate in e^+e^- at next-to-next-to-leading-logarithmic order text, January 2016

Power corrections to event shapes and factorization text, January 1999

Soft-collinear factorization in effective field theory journal, February 2002

Search for dark matter produced in association with a hadronically decaying vector boson in pp collisions at s = 13 TeV with the ATLAS detector journal, December 2016

Search for diboson resonances with boson-tagged jets in pp collisions at s = 13 TeV with the ATLAS detector journal, February 2018

On power corrections to the event shape distributions in QCD journal, October 2000

Better jet clustering algorithms journal, August 1997

Measurement and QCD analysis of jet cross sections in deep-inelastic positron-proton collisions at $\sqrt{s}$ of 300 GeV journal, February 2001

From Underlying Event Sensitive To Insensitive: Factorization and Resummation text, January 2018

Boosting H → b b ¯ $$ H\to b\overline{b} $$ with machine learning journal, October 2018

From underlying event sensitive to insensitive: factorization and resummation journal, September 2018

Prospects for a measurement of the W boson mass in the all-jets final state at hadron colliders journal, February 2019

The groomed and ungroomed jet mass distribution for inclusive jet production at the LHC journal, October 2018

Jet substructure at the Large Hadron Collider journal, December 2019

The Lund jet plane journal, December 2018

Casimir Meets Poisson: Improved Quark/Gluon Discrimination with Counting Observables
text, January 2017

The anti- k _t jet clustering algorithm
journal, April 2008

Power corrections to event shapes and factorization
journal, August 1999

Invariant Operators in Collinear Effective Theory
text, January 2001

Non-global logarithms, factorization, and the soft substructure of jets
journal, September 2015

Universal Nonperturbative Effects in Event Shapes from Soft-Collinear Effective Theory
journal, April 2007

Search for heavy resonances decaying to a Z boson and a photon in pp collisions at $\sqrt{s} = 13 TeV$ with the ATLAS detector
journal, January 2017

Power counting to better jet observables
journal, December 2014

An effective field theory for collinear and soft gluons: Heavy to light decays
journal, May 2001

Factorization for groomed jet substructure beyond the next-to-leading logarithm
text, January 2016

Jets and Quantum Field Theory
text, January 1995

PYTHIA 6.4 physics and manual
journal, May 2006

Jet substructure with analytical methods
text, January 2013

Energy Correlation Functions for Jet Substructure
text, January 2013

FastJet user manual: (for version 3.0.2)
journal, March 2012

A generic anti-QCD jet tagger
journal, November 2017

Power corrections and nonlocal operators
conference, January 1997

Search for heavy resonances that decay into a vector boson and a Higgs boson in hadronic final states at $$\sqrt{s} = 13$$ s = 13 $$\,\text {TeV}$$ TeV
journal, September 2017

Inclusive Search for a Highly Boosted Higgs Boson Decaying to a Bottom Quark-Antiquark Pair
journal, February 2018

Toward multi-differential cross sections: measuring two angularities on a single jet
journal, September 2014

On jet substructure methods for signal jets
journal, August 2015

Two-Jet Rate in $e^{+} e^{-}$ at Next-to-Next-to-Leading-Logarithmic Order
journal, October 2016

Search for heavy resonances decaying to two Higgs bosons in final states containing four b quarks
journal, July 2016

Factorization and NNLL Resummation for Higgs production with a jet veto
journal, July 2012

Dissecting Soft Radiation with Factorization
journal, March 2015

An Effective Field Theory for Forward Scattering and Factorization Violation
text, January 2016

Jets and quantum field theory
journal, August 1996

Precision Jet Substructure from Boosted Event Shapes
text, January 2012

A study of jet mass distributions with grooming
journal, July 2017

Precision Jet Substructure from Boosted Event Shapes
journal, August 2012

An effective field theory for forward scattering and factorization violation
journal, August 2016

Search for heavy resonances decaying to a W or Z boson and a Higgs boson in the $q {\bar{q}}^{(')} b \bar{b}$ final state in pp collisions at $\sqrt{s} = 13 TeV$ with the ATLAS detector
journal, November 2017

Analytic boosted boson discrimination
journal, May 2016

The anti-k_t jet clustering algorithm
text, January 2008

Momentum flow correlations from event shapes: Factorized soft gluons and soft-collinear effective theory
journal, January 2007

Factorization and Resummation for Groomed Multi-Prong Jet Shapes
text, January 2017

Invariant operators in collinear effective theory
journal, September 2001

Back-to-back jets in QCD
journal, December 1981

Soft drop
journal, May 2014

Soft gluons and factorization
journal, October 1988

Thinking outside the ROCs: Designing Decorrelated Taggers (DDT) for jet substructure
journal, May 2016

Energy correlation functions for jet substructure
journal, June 2013

Identification of boosted, hadronically decaying W bosons and comparisons with ATLAS data taken at $$\sqrt{s} = 8$$ s = 8 TeV
journal, March 2016

Search for Low Mass Vector Resonances Decaying to Quark-Antiquark Pairs in Proton-Proton Collisions at $\sqrt{s} = 13 TeV$
journal, September 2017

Factorization Of Hard Processes In QCD
book, July 1989

New angles on energy correlation functions
journal, December 2016

Factorization for short distance hadron-hadron scattering
journal, January 1985

Dissecting Soft Radiation with Factorization
text, January 2014

Factorization for groomed jet substructure beyond the next-to-leading logarithm
journal, July 2016

Resummation of double-differential cross sections and fully-unintegrated parton distribution functions
journal, February 2015

Hard scattering factorization from effective field theory
journal, July 2002

Designing gapped soft functions for jet production
journal, March 2008

An introduction to PYTHIA 8.2
journal, June 2015

Transverse momentum distribution in Drell-Yan pair and W and Z boson production
journal, January 1985

Jet substructure with analytical methods
journal, November 2013

Towards an understanding of jet substructure
journal, September 2013

Casimir meets Poisson: improved quark/gluon discrimination with counting observables
journal, September 2017

Factorization and resummation for generic hierarchies between Jets
journal, August 2016

On jet substructure methods for signal jets
text, January 2015

Factorization and resummation for groomed multi-prong jet shapes
journal, February 2018

Search for massive resonances decaying into $W W$ , $W Z$ , $Z Z$ , $q W$ , and $q Z$ with dijet final states at $\sqrt{s} = 13 TeV$
journal, April 2018

The two-jet rate in e^+e^- at next-to-next-to-leading-logarithmic order
text, January 2016

Power corrections to event shapes and factorization
text, January 1999

Soft-collinear factorization in effective field theory
journal, February 2002

Search for dark matter produced in association with a hadronically decaying vector boson in pp collisions at $\sqrt{s} = 13 TeV$ with the ATLAS detector
journal, December 2016

Search for diboson resonances with boson-tagged jets in pp collisions at $\sqrt{s} = 13 TeV$ with the ATLAS detector
journal, February 2018

On power corrections to the event shape distributions in QCD
journal, October 2000

Better jet clustering algorithms
journal, August 1997

Measurement and QCD analysis of jet cross sections in deep-inelastic positron-proton collisions at $\sqrt{s}$ of 300 GeV
journal, February 2001

From Underlying Event Sensitive To Insensitive: Factorization and Resummation
text, January 2018

Boosting H → b b ¯ $$ H\to b\overline{b} $$ with machine learning
journal, October 2018

From underlying event sensitive to insensitive: factorization and resummation
journal, September 2018

Prospects for a measurement of the W boson mass in the all-jets final state at hadron colliders
journal, February 2019

The groomed and ungroomed jet mass distribution for inclusive jet production at the LHC
journal, October 2018

Jet substructure at the Large Hadron Collider
journal, December 2019

The Lund jet plane
journal, December 2018

Extending the search for new resonances with machine learning
journal, January 2019

Anomaly Detection for Resonant New Physics with Machine Learning
journal, December 2018