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Related papers: Observing Left-Right Symmetry in the Cosmic Microw…

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We study the possibility of generating tiny Dirac masses of neutrinos in Left-Right Symmetric Model (LRSM) without requiring the existence of any additional symmetries. The charged fermions acquire masses through a universal seesaw…

High Energy Physics - Phenomenology · Physics 2017-06-06 Debasish Borah , Arnab Dasgupta

Left-Right Models (LRM) attempt at giving an understanding of the violation of parity (or charge-conjugation) by the weak interactions in the SM through a similar description of left- and right-handed currents at high energies. The…

High Energy Physics - Phenomenology · Physics 2015-01-23 Luiz Vale Silva

We perform a thorough analysis of the parameter space of the minimal left-right supersymmetric model in agreement with the LHC data. The model contains left- and right-handed fermionic doublets, two Higgs bidoublets, two Higgs triplet…

High Energy Physics - Phenomenology · Physics 2015-01-05 Mariana Frank , Dilip Kumar Ghosh , Katri Huitu , Santosh Kumar Rai , Ipsita Saha , Harri Waltari

Despite many tests, even the Minimal Manifest Left-Right Symmetric Model (MLRSM) has never been ultimately confirmed or falsified. LHC gives a new possibility to test directly the most conservative version of left-right symmetric models at…

High Energy Physics - Phenomenology · Physics 2015-06-04 J. Chakrabortty , J. Gluza , R. Sevillano , R. Szafron

We develop a minimal left-right symmetric model based on the gauge group $SU(3)_C \otimes SU(2)_L \otimes SU(2)_R \otimes U(1)_{B-L}$ wherein the Higgs triplets conventionally employed for symmetry breaking are replaced by Higgs doublets.…

High Energy Physics - Phenomenology · Physics 2020-12-29 K. S. Babu , Anil Thapa

Planned CMB Stage IV experiments have the potential to measure the effective number of relativistic degrees of freedom in the early Universe, $N_\text{eff}$, with percent-level accuracy. This probes new thermalized light particles and also…

High Energy Physics - Phenomenology · Physics 2019-10-25 Kevork N. Abazajian , Julian Heeck

We perform a global analysis of the low-energy phenomenology of the minimal left-right symmetric model (mLRSM) with parity symmetry. We match the mLRSM to the Standard Model Effective Field Theory Lagrangian at the left-right-symmetry…

High Energy Physics - Phenomenology · Physics 2021-12-08 Wouter Dekens , Lorenzo Andreoli , Jordy de Vries , Emanuele Mereghetti , Femke Oosterhof

We consider a left-right symmetric extension of the Standard Model where the spontaneous breakdown of the left-right symmetry is triggered by doublets. The electroweak $\rho$ parameter is protected from large corrections in this Doublet…

High Energy Physics - Phenomenology · Physics 2020-12-16 Véronique Bernard , Sébastien Descotes-Genon , Luiz Vale Silva

We study a left--right symmetric model which contains only elementary gauge boson and fermion fields and no scalars. The phenomenologically required symmetry breaking emerges dynamically leading to a composite Higgs sector with a…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Akhmedov , M. Lindner , E. Schnapka , J. W. F. Valle

The Left-Right model is a popular extension of the Standard Model that features three new neutral gauge bosons, $W^{\pm}_R$ and $Z_R$. Collider searches for a Left-Right symmetry are often concentrated on the charged right-handed current,…

High Energy Physics - Phenomenology · Physics 2026-02-04 Gabriela Lichtenstein , Ricardo C. Silva , Mario J. Neves , Farinaldo Queiroz

We study the constraints on the doublet left-right symmetric model (DLRSM) arising due to the Higgs data. The $SU(2)_L$ symmetry of this model is broken by three vacuum expectation values, $\kappa_1$, $\kappa_2$, and $v_L$. Most studies of…

High Energy Physics - Phenomenology · Physics 2023-03-27 Siddhartha Karmakar , Jai More , Akhila Kumar Pradhan , S. Uma Sankar

The charged Higgs boson sector of the Minimal Manifest Left-Right Symmetric model (MLRSM) is investigated in the context of LHC discovery search for new physics beyond Standard Model. We discuss and summarise the main processes within MLRSM…

High Energy Physics - Phenomenology · Physics 2015-06-17 G. Bambhaniya , J. Chakrabortty , J. Gluza , M. Kordiaczynska , R. Szafron

We use the early Large Hadron Collider data to set the lower limit on the scale of Left-Right symmetry, by searching for the right-handed charged gauge boson $W_R$ via the final state with two leptons and two jets, for 33/pb integrated…

High Energy Physics - Phenomenology · Physics 2011-06-28 Miha Nemevsek , Fabrizio Nesti , Goran Senjanović , Yue Zhang

We revisit the issue of the limit on the scale of Left-Right symmetry breaking. We focus on the minimal SU(2)_L x SU(2)_R x U(1)_B-L gauge theory with the seesaw mechanism and discuss the two possibilities of defining Left-Right symmetry as…

High Energy Physics - Phenomenology · Physics 2014-11-21 Alessio Maiezza , Miha Nemevsek , Fabrizio Nesti , Goran Senjanovic

We consider the low scale ($10$ - $100$ TeV) left-right symmetric model with "naturally" small neutrino masses generated through the inverse seesaw mechanism. The Dirac neutrino mass terms are taken to be similar to the masses of charged…

High Energy Physics - Phenomenology · Physics 2019-02-14 Vedran Brdar , Alexei Yu. Smirnov

Left-Right Models (LRMs) are one of the most relevant extensions of the Standard Model (SM) of particle physics. They introduce an extended gauge sector and can restore parity (P) or charge conjugation (C) symmetries at high enough…

High Energy Physics - Phenomenology · Physics 2024-09-30 Sergio Ferrando Solera , Antonio Pich , Luiz Vale Silva

The minimal left-right symmetric model (mLRSM) provides an elegant and testable framework for addressing the origin of neutrino masses. We examine the constraints on the sub-GeV right-handed (RH) neutrino in the type-II seesaw scenario of…

High Energy Physics - Phenomenology · Physics 2025-10-07 Gang Li , Ying-Ying Li , Sida Lu , Ye-Ling Zhou

We evaluate the ability of future cosmic microwave background (CMB) experiments to measure the power spectrum of large scale structure using quadratic estimators of the weak lensing deflection field. We calculate the sensitivity of upcoming…

Astrophysics · Physics 2009-11-13 Julien Lesgourgues , Laurence Perotto , Sergio Pastor , Michel Piat

Recent Cosmic Microwave Background (CMB) results from the Planck satellite, combined with previous CMB data and Hubble constant measurements from the Hubble Space Telescope, provide a constraint on the effective number of relativistic…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Eleonora Di Valentino , Alessandro Melchiorri , Olga Mena

We propose an effective left-right-right-left model with a parity breaking scale around a few TeV. One of the main achievements of the model is that the mirror fermions as well as the mirror gauge sector simultaneously could be at TeV…

High Energy Physics - Phenomenology · Physics 2017-02-08 Gauhar Abbas
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