Heavy Majorana neutrino pair productions at the LHC in minimal U(1) extended Standard Model

Das, Arindam; Okada, Nobuchika; Raut, Digesh

doi:10.1140/epjc/s10052-018-6171-8

Title: Heavy Majorana neutrino pair productions at the LHC in minimal U(1) extended Standard Model

Abstract

In our recent paper (Das et al. in Phys Rev D 97:115023, 2018) we explored a prospect of discovering the heavy Majorana right-handed neutrinos (RHNs) at the future LHC in the context of the minimal non-exotic U(1) extended Standard Model (SM), where a pair of RHNs are created via decay of resonantly produced massive U(1) gauge boson (Z'). We have pointed out that this model can yield a significant enhancement of the branching ratio of the Z' boson to a pair of RHNs, which is crucial for discovering the RHNs under the very severe LHC Run-2 constraint from the search for the Z' boson with dilepton final states. In this paper, we perform a general parameter scan to evaluate the maximum production rate of the same-sign dilepton final states (smoking gun signature of Majorana RHNs production) at the LHC, while reproducing the neutrino oscillation data. We also consider the minimal non-exotic U(1) model with an alternative charge assignment. In this case, we find a further enhancement of the branching ratio of the Z' boson to a pair of RHNs compared to the conventional case, which opens up a possibility of discovering the RHNs even before the Z' boson at themore » future LHC experiment.« less

Authors:: Das, Arindam; Okada, Nobuchika; Raut, Digesh

Publication Date:: Fri Aug 31 00:00:00 EDT 2018

Research Org.:: Univ. of Alabama, Tuscaloosa, AL (United States)

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

OSTI Identifier:: 1467917

Alternate Identifier(s):: OSTI ID: 1510003

Grant/Contract Number:: SC0013680

Resource Type:: Published Article

Journal Name:: European Physical Journal. C, Particles and Fields

Additional Journal Information:: Journal Name: European Physical Journal. C, Particles and Fields Journal Volume: 78 Journal Issue: 9; Journal ID: ISSN 1434-6044

Publisher:: Springer Science + Business Media

Country of Publication:: Germany

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Das, Arindam, Okada, Nobuchika, and Raut, Digesh. Heavy Majorana neutrino pair productions at the LHC in minimal U(1) extended Standard Model.  Germany: N. p., 2018. 
Web.  doi:10.1140/epjc/s10052-018-6171-8.

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                    Das, Arindam, Okada, Nobuchika, & Raut, Digesh. Heavy Majorana neutrino pair productions at the LHC in minimal U(1) extended Standard Model.  Germany.  https://doi.org/10.1140/epjc/s10052-018-6171-8

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                    Das, Arindam, Okada, Nobuchika, and Raut, Digesh. Fri .  
"Heavy Majorana neutrino pair productions at the LHC in minimal U(1) extended Standard Model".  Germany.  https://doi.org/10.1140/epjc/s10052-018-6171-8.

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@article{osti_1467917,

  title        = {Heavy Majorana neutrino pair productions at the LHC in minimal U(1) extended Standard Model},

  author       = {Das, Arindam and Okada, Nobuchika and Raut, Digesh},

  abstractNote = {In our recent paper (Das et al. in Phys Rev D 97:115023, 2018) we explored a prospect of discovering the heavy Majorana right-handed neutrinos (RHNs) at the future LHC in the context of the minimal non-exotic U(1) extended Standard Model (SM), where a pair of RHNs are created via decay of resonantly produced massive U(1) gauge boson (Z'). We have pointed out that this model can yield a significant enhancement of the branching ratio of the Z' boson to a pair of RHNs, which is crucial for discovering the RHNs under the very severe LHC Run-2 constraint from the search for the Z' boson with dilepton final states. In this paper, we perform a general parameter scan to evaluate the maximum production rate of the same-sign dilepton final states (smoking gun signature of Majorana RHNs production) at the LHC, while reproducing the neutrino oscillation data. We also consider the minimal non-exotic U(1) model with an alternative charge assignment. In this case, we find a further enhancement of the branching ratio of the Z' boson to a pair of RHNs compared to the conventional case, which opens up a possibility of discovering the RHNs even before the Z' boson at the future LHC experiment.},

  doi          = {10.1140/epjc/s10052-018-6171-8},

  journal      = {European Physical Journal. C, Particles and Fields},

  number       = 9,

  volume       = 78,

  place        = {Germany},

  year         = {Fri Aug 31 00:00:00 EDT 2018},

  month        = {Fri Aug 31 00:00:00 EDT 2018}

}

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Title: Heavy Majorana neutrino pair productions at the LHC in minimal U(1) extended Standard Model

Abstract

Citation Formats

Gauging symmetries and the number of right-handed neutrinos journal, May 2009

NLO+NLL collider bounds, Dirac fermion and scalar dark matter in the B–L model journal, May 2017

Dirac or inverse seesaw neutrino masses with B − L gauge symmetry and S 3 flavor symmetry journal, February 2015

Z ′ -portal right-handed neutrino dark matter in the minimal U ( 1 ) X extended Standard Model journal, February 2017

Enhanced pair production of heavy Majorana neutrinos at the LHC journal, June 2018

Neutrino masses and the scale of B-L violation journal, September 1981

Review of Particle Physics journal, October 2016

Z ′ gauge bosons at the Fermilab Tevatron journal, November 2004

Vacuum stability in U ( 1 ) -prime extensions of the Standard Model with TeV scale right handed neutrinos journal, November 2014

Search for new high-mass phenomena in the dilepton final state using 36 fb−1 of proton-proton collision data at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector journal, October 2017

Right-handed neutrino dark matter in the classically conformal U ( 1 ) ′ extended standard model journal, November 2017

Inflection-point inflation in a hyper-charge oriented U ( 1 ) X model journal, March 2017

Phenomenology of the gauge symmetry for right-handed fermions journal, February 2018

Neutrino masses, neutral vector bosons and the scale of B−L breaking journal, September 1991

Z ′, Higgses and heavy neutrinos in U(1)′ models: from the LHC to the GUT scale journal, July 2016

LHC search for right-handed neutrinos in Z′ models journal, January 2018

Nonexotic neutral gauge bosons journal, August 2003

SU(5)×U(1) X grand unification with minimal seesaw and Z ′ -portal dark matter journal, May 2018

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

Neutrino Mass and Spontaneous Parity Nonconservation journal, April 1980

Oscillating neutrinos and μ→e,γ journal, December 2001

Classically conformal U ( 1 ) ′ extended standard model and Higgs vacuum stability journal, July 2015

Radiative symmetry breaking from flat potential in various U ( 1 ) ′ models journal, March 2014

Classically conformal U ( 1 ) ′ extended standard model, electroweak vacuum stability, and LHC Run-2 bounds journal, June 2016

Is charged lepton flavor violation a high energy phenomenon? journal, March 2014

Quark-lepton symmetry and B − L as the U(1) generator of the electroweak symmetry group journal, April 1980

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

Nonminimal quartic inflation in classically conformal U ( 1 ) X extended standard model journal, March 2018

Measurements of neutrino oscillation in appearance and disappearance channels by the T2K experiment with 6.6 × 1 0 20 protons on target journal, April 2015

Naturally stable right-handed neutrino dark matter journal, November 2016

Bounds on heavy Majorana neutrinos in type-I seesaw and implications for collider searches journal, November 2017

Large mixing angle MSW and atmospheric neutrinos from single right-handed neutrino dominance and U(1) family symmetry journal, June 2000

Local B − L Symmetry of Electroweak Interactions, Majorana Neutrinos, and Neutron Oscillations journal, May 1980

Flavoured B − L local symmetry and anomalous rare B decays journal, November 2017

B-L violating proton decay and late cosmological baryon production journal, September 1982

Unbroken B – L symmetry journal, December 2014

Baryon- and Lepton-Nonconserving Processes journal, November 1979

Spontaneous breaking of global B − L symmetry and matter-antimatter oscillations in grand unified theories journal, January 1983

Extra Higgs boson and Z′ as portals to signatures of heavy neutrinos at the LHC journal, February 2018

Cosmological sign of neutrino CP violation journal, November 2002

Gauging symmetries and the number of right-handed neutrinos
journal, May 2009

NLO+NLL collider bounds, Dirac fermion and scalar dark matter in the B–L model
journal, May 2017

Dirac or inverse seesaw neutrino masses with $B - L$ gauge symmetry and $S_{3}$ flavor symmetry
journal, February 2015

$Z^{'}$ -portal right-handed neutrino dark matter in the minimal ${U (1)}_{X}$ extended Standard Model
journal, February 2017

Enhanced pair production of heavy Majorana neutrinos at the LHC
journal, June 2018

Neutrino masses and the scale of B-L violation
journal, September 1981

Review of Particle Physics
journal, October 2016

$Z^{'}$ gauge bosons at the Fermilab Tevatron
journal, November 2004

Vacuum stability in $U (1)$ -prime extensions of the Standard Model with TeV scale right handed neutrinos
journal, November 2014

Search for new high-mass phenomena in the dilepton final state using 36 fb−1 of proton-proton collision data at s = 13 $$ \sqrt{s}=13 $$ TeV with the ATLAS detector
journal, October 2017

Right-handed neutrino dark matter in the classically conformal ${U (1)}^{'}$ extended standard model
journal, November 2017

Inflection-point inflation in a hyper-charge oriented ${U (1)}_{X}$ model
journal, March 2017

Phenomenology of the gauge symmetry for right-handed fermions
journal, February 2018

Neutrino masses, neutral vector bosons and the scale of B−L breaking
journal, September 1991

Z ′, Higgses and heavy neutrinos in U(1)′ models: from the LHC to the GUT scale
journal, July 2016

LHC search for right-handed neutrinos in Z′ models
journal, January 2018

Nonexotic neutral gauge bosons
journal, August 2003

SU(5)×U(1) X grand unification with minimal seesaw and Z ′ -portal dark matter
journal, May 2018

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

Neutrino Mass and Spontaneous Parity Nonconservation
journal, April 1980

Oscillating neutrinos and μ→e,γ
journal, December 2001

Classically conformal $U (1)^{'}$ extended standard model and Higgs vacuum stability
journal, July 2015

Radiative symmetry breaking from flat potential in various $U (1)^{'}$ models
journal, March 2014

Classically conformal ${U (1)}^{'}$ extended standard model, electroweak vacuum stability, and LHC Run-2 bounds
journal, June 2016

Is charged lepton flavor violation a high energy phenomenon?
journal, March 2014

Quark-lepton symmetry and B − L as the U(1) generator of the electroweak symmetry group
journal, April 1980

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

Nonminimal quartic inflation in classically conformal ${U (1)}_{X}$ extended standard model
journal, March 2018

Measurements of neutrino oscillation in appearance and disappearance channels by the T2K experiment with $6.6 \times 1 0^{20}$ protons on target
journal, April 2015

Naturally stable right-handed neutrino dark matter
journal, November 2016

Bounds on heavy Majorana neutrinos in type-I seesaw and implications for collider searches
journal, November 2017

Large mixing angle MSW and atmospheric neutrinos from single right-handed neutrino dominance and U(1) family symmetry
journal, June 2000

Local $B - L$ Symmetry of Electroweak Interactions, Majorana Neutrinos, and Neutron Oscillations
journal, May 1980

Flavoured B − L local symmetry and anomalous rare B decays
journal, November 2017

B-L violating proton decay and late cosmological baryon production
journal, September 1982

Unbroken B – L symmetry
journal, December 2014

Baryon- and Lepton-Nonconserving Processes
journal, November 1979

Spontaneous breaking of global $B - L$ symmetry and matter-antimatter oscillations in grand unified theories
journal, January 1983

Extra Higgs boson and Z′ as portals to signatures of heavy neutrinos at the LHC
journal, February 2018

Cosmological sign of neutrino CP violation
journal, November 2002