English
Related papers

Related papers: Probing the Neutrino Mass Hierarchy beyond $\Lambd…

200 papers

Our analysis involves enhancing the $\Delta(54)$ flavor symmetry model with Inverse Seesaw mechanism along with two SM Higgs through the incorporation of distinct flavons. Additionally, we introduce supplementary $Z_2\otimes Z_3 \otimes…

High Energy Physics - Phenomenology · Physics 2023-12-06 Hrishi Bora , Ng. K. Francis , Animesh Barman , Bikash Thapa

Best-fit values of recent global analyzes of neutrino data imply large solar neutrino mixing, vanishing U_{e3} and a non-maximal atmospheric neutrino mixing angle theta_{23}. We show that these values emerge naturally by the hypothesis of…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Blum , R. N. Mohapatra , W. Rodejohann

The relations between the effective Majorana mass of the electron neutrino, $m_{ee}$, responsible for neutrinoless double beta decay, and the neutrino oscillation parameters are considered. We show that for any specific oscillation pattern…

High Energy Physics - Phenomenology · Physics 2009-10-31 H. V. Klapdor-Kleingrothaus , H. Päs , A. Y. Smirnov

In the light of recent neutrino oscillation and non-oscillation data, we revisit the phenomenological constraints applicable to three observables sensitive to absolute neutrino masses: The effective neutrino mass in single beta decay…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. L. Fogli , E. Lisi , A. Marrone , A. Melchiorri , A. Palazzo , P. Serra , J. Silk , A. Slosar

We find that the viability of a cosmological model that incorporates 2 sterile neutrinos with masses around 1 eV each, as favored by global neutrino oscillation analyses including short baseline results, is significantly dependent on the…

Cosmology and Nongalactic Astrophysics · Physics 2013-03-13 Shahab Joudaki , Kevork N. Abazajian , Manoj Kaplinghat

We determine the forecast errors on the absolute neutrino mass scale and the equation of state of dark energy by combining synthetic data from the Dark Energy Survey (DES) and the Cosmic Microwave Background (CMB) Planck surveyor. We use…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-31 Alan Zablocki

We investigate the way how the total mass sum of neutrinos can be constrained from the neutrinoless double beta decay and cosmological probes with cosmic microwave background (WMAP 3-year results), large scale structures including 2dFGRS…

High Energy Physics - Phenomenology · Physics 2010-12-13 Yong-Yeon Keum , Kiyotomo Ichiki , Taka Kajino

The sensitivity of cosmology to the total neutrino mass scale $\Sigma m_\nu$ is approaching the minimal values required by oscillation data. We study quantitatively possible tensions between current and forecasted cosmological and…

High Energy Physics - Phenomenology · Physics 2023-04-12 Stefano Gariazzo , Olga Mena , Thomas Schwetz

We explore cosmological constraints on the sum of the three active neutrino masses $M_{\nu}$ in the context of dynamical dark energy (DDE) models with equation of state (EoS) parametrized as a function of redshift $z$ by…

Cosmology and Nongalactic Astrophysics · Physics 2018-12-14 Sunny Vagnozzi , Suhail Dhawan , Martina Gerbino , Katherine Freese , Ariel Goobar , Olga Mena

We investigate how the properties of dark energy affect the cosmological measurements of neutrino mass and extra relativistic degrees of freedom. We limit ourselves to the most basic extensions of $\Lambda$ cold dark matter (CDM) model,…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-24 Ming-Ming Zhao , Yun-He Li , Jing-Fei Zhang , Xin Zhang

A neutrino-oscillation analysis is performed of the more finely binned Super-K atmospheric, MINOS, and CHOOZ data in order to examine the impact of neutrino hierarchy in this data set upon the value of $\theta_{13}$ and the deviation of…

Nuclear Theory · Physics 2011-06-21 J. Escamilla-Roa , D. C. Latimer , D. J. Ernst

In this paper, we make a comparison for the impacts of smooth dynamical dark energy, modified gravity, and interacting dark energy on the cosmological constraints on the total mass of active neutrinos. For definiteness, we consider the…

Cosmology and Nongalactic Astrophysics · Physics 2020-01-13 Ming-Ming Zhao , Rui-Yun Guo , Dong-Ze He , Jing-Fei Zhang , Xin Zhang

We present an up-to-date global analysis of data coming from neutrino oscillation and non-oscillation experiments, as available in April 2018, within the standard framework including three massive and mixed neutrinos. We discuss in detail…

High Energy Physics - Phenomenology · Physics 2018-08-01 F. Capozzi , E. Lisi , A. Marrone , A. Palazzo

We study the structure of the neutrino mass matrix in the minimal gauged U(1)$_{L_\mu-L_\tau}$ model, where three right-handed neutrinos are added to the Standard Model in order to obtain non-zero masses for active neutrinos. Because of the…

High Energy Physics - Phenomenology · Physics 2017-12-06 Kento Asai , Koichi Hamaguchi , Natsumi Nagata

We study the effects of neutrino oscillation on supernova neutrino in the case of the inverted mass hierarchy ($m_{3} \ll m_{1} < m_{2}$) as well as the normal mass hierarchy ($m_{1} < m_{2} \ll m_{3}$). Numerical analysis using a realistic…

High Energy Physics - Phenomenology · Physics 2009-11-07 K. Takahashi , K. Sato

We revisit cosmological neutrino mass bounds when a fraction of dark matter is allowed to decay to massless dark radiation. By compensating the late-time increase in the matter density induced by neutrinos becoming non-relativistic,…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-04 Thomas Montandon , Vivian Poulin , Thomas Rink , Thomas Schwetz

We present a new global fit of neutrino oscillation parameters within the simplest three-neutrino picture, including new data which appeared since our previous analysis~\cite{Forero:2014bxa}. In this update we include new long-baseline…

High Energy Physics - Phenomenology · Physics 2018-06-20 P. F. de Salas , D. V. Forero , C. A. Ternes , M. Tortola , J. W. F. Valle

We investigate the impact of prior models on the upper bound of the sum of neutrino masses, $\sum m_{\nu}$. We use data from Large Scale Structure of galaxies, Cosmic Microwave Background, Type Ia SuperNovae, and Big Bang Nucleosynthesis.…

We constrain the growth index $\gamma$ by performing a full-shape analysis of the power spectrum multipoles measured from the BOSS DR12 data. We adopt a theoretical model based on the Effective Field theory of the Large Scale Structure…

Cosmology and Nongalactic Astrophysics · Physics 2023-12-13 Chiara Moretti , Maria Tsedrik , Pedro Carrilho , Alkistis Pourtsidou

We present strong bounds on the sum of three active neutrino masses ($\sum m_{\nu}$) in various cosmological models. We use the following baseline datasets: CMB temperature data from Planck 2015, BAO measurements from SDSS-III BOSS DR12,…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-13 Shouvik Roy Choudhury , Sandhya Choubey
‹ Prev 1 3 4 5 6 7 10 Next ›