Exploring 
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 and leptogenesis in the alternative left-right model

Frank, Mariana; Majumdar, Chayan; Poulose, Poulose; Senapati, Supriya; Yajnik, Urjit A.

doi:10.1103/physrevd.102.075020

Cited by 9 publications

(6 citation statements)

References 69 publications

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“…There are already a number of simple changes to the manifest LRSM which relax these constraints and allow coexistence of LHC detectable WR alongside lower limits on at least part of the Higgs sector (e.g. by adding extra SU(2)R quark doublet or Higgs multiplets to the model, by using a higher dimensional operator, or by differentiating the left and right couplings and mixing matrices -see [49][50][51][52][53]). These adjustments may add new processes which lead to the LSD+2 signal.…”

Section: Jhep01(2021)031mentioning

confidence: 99%

Search for like-sign dileptons plus two jets signal in the framework of the manifest left-right symmetric model

Roitgrund

Eilam

2021

J. High Energ. Phys.

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The left-right symmetric model may present evidence of new physics at the era of the Large Hadron Collider (LHC). We use its framework to investigate the lepton number violating process pp → e±e±jj + X at the 14 TeV LHC. We show that for an integrated luminosity of 300 fb−1, the discovery contour of the right-handed boson WR and the right-handed electron neutrino Ne as a result of the pp → $$ {W}_R^{\pm } $$ W R ± → e±N → e±e±jj process can be expanded upon considering an additional channel mediated by the right-handed doubly charged Higgs $$ {\delta}_R^{\pm \pm } $$ δ R ± ± , i.e. pp → $$ {W}_R^{\pm } $$ W R ± → $$ {W}_R^{\mp \ast }{\delta}_R^{\pm \pm \ast } $$ W R ∓ ∗ δ R ± ± ∗ → e±e±jj.

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Section: Jhep01(2021)031mentioning

confidence: 99%

Search for like-sign dileptons plus two jets signal in the framework of the manifest left-right symmetric model

Roitgrund

Eilam

2021

J. High Energ. Phys.

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“…[33,34], and more recently by ref. [35] in exploring the Majorana nature of the right-handed neutrino through 0νββ and possible leptogenesis.…”

Section: Jhep03(2022)065mentioning

confidence: 99%

“…[27][28][29][30][31]49]. With soft-breaking of the lepton number, a Majorana mass term can be considered for ν R , and the consequent lepton asymmetry could lead to leptogenesis [35]. In addition, allowing soft-breaking of S a Majorana mass term can be considered for n R , thus contributing to possible leptogenesis [31].…”

Section: Description Of the Alternative Left-right Modelmentioning

confidence: 99%

Vacuum structure of Alternative Left-Right Model

Frank

Majumdar

Poulose

et al. 2022

J. High Energ. Phys.

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We investigate an Alternative Left-Right Model (ALRM) with SU(2)L as well as SU(2)R gauge groups, but unlike the traditional left-right symmetric models (LRSM) is not symmetric under the exchange of the fermion content. Interestingly, it can be embedded in E6, while its low energy Higgs structure resembles the LRSM, involving Higgs doublets χL,R and one Higgs bidoublet Φ. We analyze the scalar potential and the vacuum structure of the theory analytically to ensure the stability of scalar potential via bounded from below (BFB) and copositivity criteria, accompanied by a numerical study. We establish the necessary criteria for electric charge-preserving vacua, yielding constraints on various coupling parameters of the theory. Finally we obtain constraints on the parameters of the model from collider data on the masses of the Higgs scalars.

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“…[27][28][29][30][31]48]. With soft-breaking of the lepton number, a Majorana mass term can be considered for ν R , and the consequent lepton asymmetry could lead to leptogenesis [35]. In addition, allowing soft-breaking of S a Majorana mass term can be considered for n R , thus contributing to possible leptogenesis [31].…”

Section: Description Of the Alternative Left-right Modelmentioning

confidence: 99%

Vacuum Structure of Alternative Left-Right Model

Frank,

Majumdar,

Poulose

et al. 2021

Preprint

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We investigate an Alternative Left-Right Model (ALRM) with SU (2) L as well as SU (2) R gauge groups, but unlike the traditional left-right symmetric models (LRSM) is not symmetric under the exchange of the fermion content. Interestingly, it can be embedded in E 6 , while its low energy Higgs structure resembles the LRSM, involving Higgs doublets χ L,R and one Higgs bidoublet Φ. We analyze the scalar potential and the vacuum structure of the theory analytically to ensure the stability of scalar potential via bounded from below (BFB) and copositivity criteria, accompanied by a numerical study. We establish the necessary criteria for electric charge-preserving vacua, yielding constraints on various coupling parameters of the theory. Finally we obtain constraints on the parameters of the model from collider data on the masses of the Higgs scalars.

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Exploring 0νββ and leptogenesis in the alternative left-right model

Cited by 9 publications

References 69 publications

Search for like-sign dileptons plus two jets signal in the framework of the manifest left-right symmetric model

Search for like-sign dileptons plus two jets signal in the framework of the manifest left-right symmetric model

Vacuum structure of Alternative Left-Right Model

Vacuum Structure of Alternative Left-Right Model

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