Fat jet signature of a heavy neutrino at a lepton collider

Chakraborty, Sabyasachi; Mitra, Manimala; Shil, Sujay

doi:10.1103/PhysRevD.100.015012

Title: Fat jet signature of a heavy neutrino at a lepton collider

Abstract

We explore the discovery prospect of a very heavy neutrino at the proposed e⁺e^– collider for two different c.m. energies √s = 1.4 and 3 TeV. We consider production of a heavy neutrino via s- and t-channel processes and its subsequent prompt decays leading to semileptonic final states, along with significant missing momentum. For our choice of masses, the gauge boson produced from heavy neutrino decay is highly boosted, leading to a fat jet. We carry out a detailed signal and background analysis for e^± + j_fat + p (missing four-momentum) final state using both cut-based and multivariate techniques. We show that a heavy neutrino of mass 600–2700 GeV and active-sterile mixing |V_eN|² ~ 10^–5 can be probed with 5σ significance at an e⁺e^– collider after collecting L = 500 fb^–1 of data. We find that the sensitivity reach at an e+e– collider is an order of magnitude enhanced compared to the LHC.

Authors:: Chakraborty, Sabyasachi; Mitra, Manimala; Shil, Sujay

Publication Date:: Wed Jul 10 00:00:00 EDT 2019

Research Org.:: Florida State Univ., Tallahassee, FL (United States)

Sponsoring Org.:: USDOE Office of Science (SC)

OSTI Identifier:: 1532808

Alternate Identifier(s):: OSTI ID: 1611338

Grant/Contract Number:: de-sc0010102; IFA14-PH-99; SC0010102

Resource Type:: Published Article

Journal Name:: Physical Review D

Additional Journal Information:: Journal Name: Physical Review D Journal Volume: 100 Journal Issue: 1; Journal ID: ISSN 2470-0010

Publisher:: American Physical Society

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Astronomy & Astrophysics; Physics; Extensions of fermion sector; Particle decays; Particle interactions; Particle mixing & oscillations; Particle phenomena; Particle production

Citation Formats


                    Chakraborty, Sabyasachi, Mitra, Manimala, and Shil, Sujay. Fat jet signature of a heavy neutrino at a lepton collider.  United States: N. p., 2019. 
Web.  doi:10.1103/PhysRevD.100.015012.

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                    Chakraborty, Sabyasachi, Mitra, Manimala, & Shil, Sujay. Fat jet signature of a heavy neutrino at a lepton collider.  United States.  https://doi.org/10.1103/PhysRevD.100.015012

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                    Chakraborty, Sabyasachi, Mitra, Manimala, and Shil, Sujay. Wed .  
"Fat jet signature of a heavy neutrino at a lepton collider".  United States.  https://doi.org/10.1103/PhysRevD.100.015012.

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@article{osti_1532808,

  title        = {Fat jet signature of a heavy neutrino at a lepton collider},

  author       = {Chakraborty, Sabyasachi and Mitra, Manimala and Shil, Sujay},

  abstractNote = {We explore the discovery prospect of a very heavy neutrino at the proposed e+e– collider for two different c.m. energies √s = 1.4 and 3 TeV. We consider production of a heavy neutrino via s- and t-channel processes and its subsequent prompt decays leading to semileptonic final states, along with significant missing momentum. For our choice of masses, the gauge boson produced from heavy neutrino decay is highly boosted, leading to a fat jet. We carry out a detailed signal and background analysis for e± + jfat + p (missing four-momentum) final state using both cut-based and multivariate techniques. We show that a heavy neutrino of mass 600–2700 GeV and active-sterile mixing |VeN|2 ~ 10–5 can be probed with 5σ significance at an e+e– collider after collecting L = 500 fb–1 of data. We find that the sensitivity reach at an e+e– collider is an order of magnitude enhanced compared to the LHC.},

  doi          = {10.1103/PhysRevD.100.015012},

  journal      = {Physical Review D},

  number       = 1,

  volume       = 100,

  place        = {United States},

  year         = {Wed Jul 10 00:00:00 EDT 2019},

  month        = {Wed Jul 10 00:00:00 EDT 2019}

}

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The inclusion of heavy neutral leptons (right-handed neutrinos) to the Standard Model (SM) particle content is one of the best motivated ways to account for the observed neutrino masses and flavor mixing. The modification of the charged and neutral currents from active-sterile mixing of the neutral leptons can provide novel signatures which can be tested at the future collider experiments. In this article, we explore the discovery prospect of a very heavy right handed neutrino to probe such extensions at the future collider experiments like Large Hadron electron Collider (LHeC) and linear collider. We consider the production of the heavymore »« less
Cited by 39
https://doi.org/10.1103/PhysRevD.99.055030
Collider signatures for the heavy lepton triplet in the type I+III seesaw mechanism

Journal Article Arhrib, Abdesslam ; Bajc, Borut ; Ghosh, Dilip Kumar ; ... - Physical Review. D, Particles Fields

The minimal SU(5) theory augmented by the fermionic adjoint representation restores the coupling constant unification and gives realistic neutrino masses and mixing through the hybrid Type I and Type III seesaw. The crucial prediction of the theory is an SU(2) lepton triplet with the mass below TeV. We study the signature of these heavy leptons at the hadron and lepton colliders. The smoking gun evidence of the theory, as in general seesaw mechanisms, is {Delta}L=2 lepton-number violation through events of a pair of like-sign leptons plus four jets without significant missing energy at hadron colliders. We find that via thismore »« less
https://doi.org/10.1103/PHYSREVD.82.053004
General theory of weak processes involving neutrinos. I. Leptonic pseudoscalar-meson decays, with associated tests for, and bounds on, neutrino masses and lepton mixing

Journal Article Shrock, R E - Phys. Rev. D; (United States)

In this paper and the others in the series we present a generalized theory of weak leptonic and semileptonic decays which consistently incorporates the possibility of nonzero neutrino masses and associated lepton mixing. In the present work we give an analysis of the leptonic decays of charged pseudoscalar mesons within the generalized theory. The charged-lepton spectrum from such a decay is shown to consist not just of a single line, but instead a discrete set of lines. We state the precise meaning of neutrino-mass limits. The analysis leads to a new and very sensitive test for neutrino masses and mixingmore »« less
https://doi.org/10.1103/PhysRevD.24.1232
Search for heavy neutrinos or third-generation leptoquarks in final states with two hadronically decaying τ leptons and two jets in proton-proton collisions at $$ \sqrt{s}=13$$ TeV

Journal Article Khachatryan, V. ; Sirunyan, A. M. ; Tumasyan, A. ; ... - Journal of High Energy Physics (Online)

A search for new particles has been conducted using events with two high transverse momentum (p_T) τ leptons that decay hadronically, at least two high-p_T jets, and missing transverse energy from the τ lepton decays. The analysis is performed using data from proton-proton collisions, collected by the CMS experiment in 2015 at √s = 13 TeV, corresponding to an integrated luminosity of 2.1 fb^–1. The results are interpreted in two physics models. The first model involves heavy right-handed neutrinos, N_ℓ (ℓ = e, μ, τ), and right-handed charged bosons, WR, arising in a left-right symmetric extension of the standard model.more »« less
Cited by 13
https://doi.org/10.1007/JHEP03(2017)077

Full Text Available
A supersymmetric theory of baryogenesis and sterile sneutrino dark matter from B mesons

Journal Article Alonso-Álvarez, Gonzalo ; Elor, Gilly ; Nelson, Ann E. ; ... - Journal of High Energy Physics (Online)

Low-scale baryogenesis and dark matter generation can occur via the production of neutral B mesons at MeV temperatures in the early Universe, which undergo CP-violating oscillations and subsequently decay into a dark sector. In this work, we discuss the consequences of realizing this mechanism in a supersymmetric model with an unbroken U(1)_Rsymmetry which is identified with baryon number. B mesons decay into a dark sector through a baryon number conserving operator mediated by TeV scale squarks and a GeV scale Dirac bino. The dark sector particles can be identified with sterile neutrinos and their superpartners in a type-Imore »« less
https://doi.org/10.1007/jhep03(2020)046

Full Text Available

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Title: Fat jet signature of a heavy neutrino at a lepton collider

Abstract

Citation Formats

Low energy effects of neutrino masses journal, December 2007

Disambiguating seesaw models using invariant mass variables at hadron colliders journal, January 2016

Favored B c decay modes to search for a Majorana neutrino journal, August 2016

Left-right symmetry and lepton number violation at the Large Hadron electron Collider journal, June 2016

Left-right gauge symmetry and an "isoconjugate" model of CP violation journal, February 1975

Dimension-6 operator analysis of the CLIC sensitivity to new physics journal, May 2017

Electroweak scale seesaw and heavy Dirac neutrino signals at LHC journal, February 2009

Higgs physics at the CLIC electron–positron linear collider journal, July 2017

Inclusive displaced vertex searches for heavy neutral leptons at the LHC journal, January 2019

Constraining the right-handed gauge boson mass from lepton number violating meson decays in a low scale left-right model journal, August 2017

Pathways to Naturally Small Neutrino Masses journal, August 1998

"Natural" left-right symmetry journal, May 1975

See-saw neutrino masses induced by a triplet of leptons journal, September 1989

μ → e γ and τ → l γ decays in the fermion triplet seesaw model journal, August 2008

Prospects of heavy neutrino searches at future lepton colliders journal, October 2015

Search for heavy Majorana neutrinos in same-sign dilepton channels in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV journal, January 2019

Neutrino Mass Ordering from Oscillations and Beyond: 2018 Status and Future Prospects journal, October 2018

Neutrino jets from high-mass W R gauge bosons in TeV-scale left-right symmetric models journal, November 2016

Model-independent measurement of the e $$^{{+}}$$ + e $$^{-}$$ - $$\rightarrow $$ → HZ cross section at a future e $$^{{+}}$$ + e $$^{-}$$ - linear collider using hadronic Z decays journal, February 2016

Exact left-right symmetry and spontaneous violation of parity journal, September 1975

Planck 2015 results : I. Overview of products and scientific results journal, September 2016

FeynRules – Feynman rules made easy journal, September 2009

Testing sterile neutrino extensions of the Standard Model at future lepton colliders journal, May 2015

Same sign versus opposite sign dileptons as a probe of low scale seesaw mechanisms journal, January 2018

ell W ν production at CLIC: a window to TeV scale non-decoupled neutrinos journal, May 2005

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations journal, July 2014

Safe jet vetoes journal, November 2018

Heavy neutral fermions at the high-luminosity LHC journal, July 2018

Production of heavy neutrino in next-to-leading order QCD at the LHC and beyond journal, June 2016

Long-lived heavy neutrinos from Higgs decays journal, August 2018

Physics potential for the measurement of $${\sigma (H\nu \bar{\nu })\times \text {BR}(H\rightarrow \mu ^+\mu ^-)}$$ σ ( H ν ν ¯ ) × BR ( H → μ + μ - ) at the 1.4 TeV CLIC collider journal, October 2015

Operator Analysis of Nucleon Decay journal, November 1979

Sterile neutrino searches at future e−e+, pp and e−p colliders journal, May 2017

μ→eγ at a rate of one out of 109 muon decays? journal, April 1977

Improved Limit on Neutrinoless Double- β Decay of Ge 76 from GERDA Phase II journal, March 2018

Multiple CP non-conserving mechanisms of (ββ)0ν -decay and nuclei with largely different nuclear matrix elements journal, February 2013

Performance of particle flow calorimetry at CLIC journal, February 2013

Majorana Neutrinos and the Production of the Right-Handed Charged Gauge Boson journal, May 1983

Probing lepton number violation via Majorana neutrinos at hadron supercolliders journal, September 1994

Future tests of Higgs compositeness: direct vs indirect journal, July 2015

UFO – The Universal FeynRules Output journal, June 2012

Displaced vertex searches for sterile neutrinos at future lepton colliders journal, December 2016

Precision Higgsstrahlung as a probe of new physics journal, March 2015

Displaced vertices as probes of sterile neutrino mixing at the LHC journal, August 2018

TeV-scale left-right symmetry and large mixing effects in neutrinoless double beta decay journal, June 2015

The search for heavy Majorana neutrinos journal, May 2009

Baryon- and Lepton-Nonconserving Processes journal, November 1979

Proton lifetime and fermion masses in an SO(10) model journal, April 1981

Systematic study of the d = 5 Weinberg operator at one-loop order journal, July 2012

FeynRules 2.0 — A complete toolbox for tree-level phenomenology journal, August 2014

Distinguishing seesaw models at LHC with multi-lepton signals journal, May 2009

Solution to the neutrino-mass problem in superstring E 6 theory journal, February 1986

Neutrinoless double beta decay and QCD running at low energy scales journal, June 2018

Inverse seesaw neutrino signatures at the LHC and ILC journal, December 2013

Neutrinoless double beta decay journal, November 2015

Neutrinoless double-beta decay and neutrino physics journal, November 2012

Systematic classification of two-loop realizations of the Weinberg operator journal, March 2015

Jet substructure shedding light on heavy Majorana neutrinos at the LHC journal, February 2018

Neutrino mass operator renormalization in two Higgs doublet models and the MSSM journal, January 2002

Mechanism for understanding small neutrino mass in superstring theories journal, February 1986

Neutrinoless double beta decay and heavy sterile neutrinos journal, March 2012

Neutrinos and collider physics journal, July 2015

Lepton Number Violation: Seesaw Models and Their Collider Tests journal, May 2018

Neutral Higgs boson production at $$e^+e^-$$ e + e - colliders in the complex MSSM: a full one-loop analysis journal, April 2016

Majorana neutrinos and same-sign dilepton production at LHC and in rare meson decays journal, June 2001

A theory of lepton number violation and neutrino Majorana masses journal, June 1980

Neutrino mass and baryon-number nonconservation in superstring models journal, September 1986

Neutrino masses and mixings in gauge models with spontaneous parity violation journal, January 1981

DELPHES 3: a modular framework for fast simulation of a generic collider experiment journal, February 2014

The leptonic future of the Higgs journal, September 2017

R-Parity-violating supersymmetry journal, November 2005

Search for heavy isosinglet neutrino in e+e− annihilation at LEP journal, September 2001

Neutrino masses, mixings, and oscillations in SU(2)×U(1) models of electroweak interactions journal, December 1980

Majorana vs pseudo-Dirac neutrinos at the ILC journal, March 2019

Displaced vertex signatures of doubly charged scalars in the type-II seesaw and its left-right extensions journal, October 2018

Probing left-right seesaw models using beam polarization at an e + e − collider journal, June 2017

Neutrino masses in SU(2) ⊗ U(1) theories journal, November 1980

Low energy effects of neutrino masses
journal, December 2007

Disambiguating seesaw models using invariant mass variables at hadron colliders
journal, January 2016

Favored $B_{c}$ decay modes to search for a Majorana neutrino
journal, August 2016

Left-right symmetry and lepton number violation at the Large Hadron electron Collider
journal, June 2016

Left-right gauge symmetry and an "isoconjugate" model of $CP$ violation
journal, February 1975

Dimension-6 operator analysis of the CLIC sensitivity to new physics
journal, May 2017

Electroweak scale seesaw and heavy Dirac neutrino signals at LHC
journal, February 2009

Higgs physics at the CLIC electron–positron linear collider
journal, July 2017

Inclusive displaced vertex searches for heavy neutral leptons at the LHC
journal, January 2019

Constraining the right-handed gauge boson mass from lepton number violating meson decays in a low scale left-right model
journal, August 2017

Pathways to Naturally Small Neutrino Masses
journal, August 1998

"Natural" left-right symmetry
journal, May 1975

See-saw neutrino masses induced by a triplet of leptons
journal, September 1989

$μ \to e γ$ and $τ \to l γ$ decays in the fermion triplet seesaw model
journal, August 2008

Prospects of heavy neutrino searches at future lepton colliders
journal, October 2015

Search for heavy Majorana neutrinos in same-sign dilepton channels in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV
journal, January 2019

Neutrino Mass Ordering from Oscillations and Beyond: 2018 Status and Future Prospects
journal, October 2018

Neutrino jets from high-mass $W_{R}$ gauge bosons in TeV-scale left-right symmetric models
journal, November 2016

Model-independent measurement of the e $$^{{+}}$$ + e $$^{-}$$ - $$\rightarrow $$ → HZ cross section at a future e $$^{{+}}$$ + e $$^{-}$$ - linear collider using hadronic Z decays
journal, February 2016

Exact left-right symmetry and spontaneous violation of parity
journal, September 1975

Planck 2015 results : I. Overview of products and scientific results
journal, September 2016

FeynRules – Feynman rules made easy
journal, September 2009

Testing sterile neutrino extensions of the Standard Model at future lepton colliders
journal, May 2015

Same sign versus opposite sign dileptons as a probe of low scale seesaw mechanisms
journal, January 2018

ell W ν production at CLIC: a window to TeV scale non-decoupled neutrinos
journal, May 2005

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
journal, July 2014

Safe jet vetoes
journal, November 2018

Heavy neutral fermions at the high-luminosity LHC
journal, July 2018

Production of heavy neutrino in next-to-leading order QCD at the LHC and beyond
journal, June 2016

Long-lived heavy neutrinos from Higgs decays
journal, August 2018

Physics potential for the measurement of $${\sigma (H\nu \bar{\nu })\times \text {BR}(H\rightarrow \mu ^+\mu ^-)}$$ σ ( H ν ν ¯ ) × BR ( H → μ + μ - ) at the 1.4 TeV CLIC collider
journal, October 2015

Operator Analysis of Nucleon Decay
journal, November 1979

Sterile neutrino searches at future e−e+, pp and e−p colliders
journal, May 2017

μ→eγ at a rate of one out of 109 muon decays?
journal, April 1977

Improved Limit on Neutrinoless Double- $β$ Decay of ${}^{76}{Ge}$ from GERDA Phase II
journal, March 2018

Multiple CP non-conserving mechanisms of (ββ)0ν -decay and nuclei with largely different nuclear matrix elements
journal, February 2013

Performance of particle flow calorimetry at CLIC
journal, February 2013

Majorana Neutrinos and the Production of the Right-Handed Charged Gauge Boson
journal, May 1983

Probing lepton number violation via Majorana neutrinos at hadron supercolliders
journal, September 1994

Future tests of Higgs compositeness: direct vs indirect
journal, July 2015

UFO – The Universal FeynRules Output
journal, June 2012

Displaced vertex searches for sterile neutrinos at future lepton colliders
journal, December 2016

Precision Higgsstrahlung as a probe of new physics
journal, March 2015

Displaced vertices as probes of sterile neutrino mixing at the LHC
journal, August 2018

TeV-scale left-right symmetry and large mixing effects in neutrinoless double beta decay
journal, June 2015

The search for heavy Majorana neutrinos
journal, May 2009

Baryon- and Lepton-Nonconserving Processes
journal, November 1979

Proton lifetime and fermion masses in an SO(10) model
journal, April 1981

Systematic study of the d = 5 Weinberg operator at one-loop order
journal, July 2012

FeynRules 2.0 — A complete toolbox for tree-level phenomenology
journal, August 2014

Distinguishing seesaw models at LHC with multi-lepton signals
journal, May 2009

Solution to the neutrino-mass problem in superstring $E_{6}$ theory
journal, February 1986

Neutrinoless double beta decay and QCD running at low energy scales
journal, June 2018

Inverse seesaw neutrino signatures at the LHC and ILC
journal, December 2013

Neutrinoless double beta decay
journal, November 2015

Neutrinoless double-beta decay and neutrino physics
journal, November 2012

Systematic classification of two-loop realizations of the Weinberg operator
journal, March 2015

Jet substructure shedding light on heavy Majorana neutrinos at the LHC
journal, February 2018

Neutrino mass operator renormalization in two Higgs doublet models and the MSSM
journal, January 2002

Mechanism for understanding small neutrino mass in superstring theories
journal, February 1986

Neutrinoless double beta decay and heavy sterile neutrinos
journal, March 2012

Neutrinos and collider physics
journal, July 2015

Lepton Number Violation: Seesaw Models and Their Collider Tests
journal, May 2018

Neutral Higgs boson production at $$e^+e^-$$ e + e - colliders in the complex MSSM: a full one-loop analysis
journal, April 2016

Majorana neutrinos and same-sign dilepton production at LHC and in rare meson decays
journal, June 2001

A theory of lepton number violation and neutrino Majorana masses
journal, June 1980

Neutrino mass and baryon-number nonconservation in superstring models
journal, September 1986

Neutrino masses and mixings in gauge models with spontaneous parity violation
journal, January 1981

DELPHES 3: a modular framework for fast simulation of a generic collider experiment
journal, February 2014

The leptonic future of the Higgs
journal, September 2017

R-Parity-violating supersymmetry
journal, November 2005

Search for heavy isosinglet neutrino in e+e− annihilation at LEP
journal, September 2001

Neutrino masses, mixings, and oscillations in SU(2)×U(1) models of electroweak interactions
journal, December 1980

Majorana vs pseudo-Dirac neutrinos at the ILC
journal, March 2019

Displaced vertex signatures of doubly charged scalars in the type-II seesaw and its left-right extensions
journal, October 2018

Probing left-right seesaw models using beam polarization at an $e^{+} e^{-}$ collider
journal, June 2017

Neutrino masses in SU(2) ⊗ U(1) theories
journal, November 1980

Fully automated precision predictions for heavy neutrino production mechanisms at hadron colliders
journal, September 2016

Neutrino mass problem and gauge hierarchy
journal, July 1980

New avenues to heavy right-handed neutrinos with pair production at hadronic colliders
journal, April 2016