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Related papers: Constraining $M_\nu$ with the Bispectrum I: Breaki…

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We use the current weak lensing data to constrain the equation of state of dark energy $w$ and the total mass of massive neutrinos $\sum m_{\nu}$. The constraint on $w$ would be weak if only the current weak lensing data are used. With the…

Astrophysics · Physics 2008-10-21 Yan Gong , Tong-Jie Zhang , Tian Lan , Xue-Lei Chen

Providing accurate predictions for the spatial distribution of matter and luminous tracers in the presence of massive neutrinos is an important task, given the imminent arrival of highly accurate large-scale structure observations. In this…

Cosmology and Nongalactic Astrophysics · Physics 2019-12-04 Matteo Zennaro , Raúl E. Angulo , Giovanni Aricò , Sergio Contreras , Marcos Pellejero-Ibáñez

We study parameter degeneracies that can occur in long-baseline neutrino appearance experiments due to nonstandard interactions (NSI) in neutrino propagation. For a single off-diagonal NSI parameter, and neutrino and antineutrino…

High Energy Physics - Phenomenology · Physics 2016-05-26 Jiajun Liao , Danny Marfatia , Kerry Whisnant

Clusters of galaxies are important probes for the large-scale structure that allow us to test cosmological models. With the REFLEX II galaxy cluster survey we previously derived tight constraints on the cosmological parameters for the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 Hans Boehringer , Gayoung Chon

We investigate in detail the possibility of constraining neutrino decays with data from the cosmic microwave background radiation (CMBR). Two generic decays are considered \nu_H -> \nu_L \phi and \nu_H -> \nu_L \nu_L_bar \nu_L. We have…

Astrophysics · Physics 2009-10-31 Steen Hannestad

Using the general connection between the upper limit on the neutrino mass and the upper limits on certain types of non-Standard Model interaction that can generate loop corrections to the neutrino mass, we derive constraints on some…

High Energy Physics - Phenomenology · Physics 2007-05-23 Takeyasu M. Ito , Gary Prezeau

The bimaximal (BM) neutrino mixing matrix was formulated in order to accommodate the data of the experimental results which indicate that both solar and atmospheric neutrino oscillation in vacuum are near maximal. But, after the T2K and…

High Energy Physics - Phenomenology · Physics 2015-05-05 Asan Damanik

In recent years, the availability of large, complete cluster samples has enabled numerous cosmological parameter inference analyses using cluster number counts. These have provided constraints on the cosmic matter density $\Omega_m$ and the…

Cosmology and Nongalactic Astrophysics · Physics 2021-11-23 P. S. Corasaniti , M. Sereno , S. Ettori

The power spectrum and bispectrum of dark matter tracers are key and complementary probes of the Universe. Next-generation surveys will deliver good measurements of the bispectrum, opening the door to improved cosmological constraints and…

Cosmology and Nongalactic Astrophysics · Physics 2024-03-18 Dionysios Karagiannis , Roy Maartens , José Fonseca , Stefano Camera , Chris Clarkson

We provide constraints on the accuracy with which the neutrino mass fraction, $f_{\nu}$, can be estimated when exploiting measurements of redshift-space distortions, describing in particular how the error on neutrino mass depends on three…

Cosmology and Nongalactic Astrophysics · Physics 2016-08-17 Fernanda Petracca , Federico Marulli , Lauro Moscardini , Andrea Cimatti , Carmelita Carbone , Raul E. Angulo

We discuss how much we can probe the effective number of neutrino species N_nu with cosmic microwave background alone. Using the data of WMAP, ACBAR, CBI and BOOMERANG experiments, we obtain a constraint on the effective number of neutrino…

Astrophysics · Physics 2008-11-26 Kazuhide Ichikawa , Toyokazu Sekiguchi , Tomo Takahashi

Since the B-mode polarization of the cosmic microwave background (CMB) was detected by the BICEP2 experiment and an unexpectedly large tensor-to-scalar ratio, $r=0.20^{+0.07}_{-0.05}$, was found, the base standard cosmology should at least…

Cosmology and Nongalactic Astrophysics · Physics 2014-07-22 Jing-Fei Zhang , Yun-He Li , Xin Zhang

Low-redshift probes, such as Baryon Acoustic Oscillations (BAO) and Supernovae Ia luminosity distances, have been shown to be crucial for improving the bounds on the total neutrino mass from cosmological observations, due to their ability…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-16 Deng Wang , Olga Mena , Eleonora Di Valentino , Stefano Gariazzo

We present cosmological constraints for the flat $\Lambda$CDM model, including the sum of neutrino masses, by performing a multi-probe analysis of a total of 13 tomographic auto- and cross-angular power spectra. This is achieved by…

Cosmology and Nongalactic Astrophysics · Physics 2021-10-11 Raphael Sgier , Christiane Lorenz , Alexandre Refregier , Janis Fluri , Dominik Zürcher , Federica Tarsitano

The phenomenon of magnification bias can induce a non-negligible angular correlation between two samples of galaxies with nonoverlapping redshift distributions. This signal is particularly clear when background submillimeter galaxies are…

Cosmology and Nongalactic Astrophysics · Physics 2024-06-06 M. M. Cueli , S. R. Cabo , J. González-Nuevo , L. Bonavera , A. Lapi , M. Viel , D. Crespo , J. M. Casas , R. Fernández-Fernández

We use the observed amount of subhaloes and line-of-sight dark matter haloes in a sample of 11 gravitational lens systems from the Sloan Lens ACS Survey to constrain the free-streaming properties of the dark matter particles. In particular,…

Cosmology and Nongalactic Astrophysics · Physics 2018-10-10 S. Vegetti , G. Despali , M. R. Lovell , W. Enzi

Neutrinos are the most abundant fermions in the Universe and influence the formation of large-scale structure through both their non-zero masses and a possible chemical potential which can be described by a single asymmetry parameter. While…

Cosmology and Nongalactic Astrophysics · Physics 2026-03-16 Yizhou Liu , Wangzheng Zhang , Shihong Liao , Liang Gao

In this article, we study the renormalization group equations of the Next-to-Minimal Supersymmetric Standard Model, and investigate universality conditions on the soft supersymmetry-breaking parameters at the Grand Unification scale. We…

High Energy Physics - Phenomenology · Physics 2022-10-19 David G. Cerdeno , Valentina De Romeri , Victor Martin-Lozano , Keith A. Olive , Osamu Seto

Within the $f(Q)$-gravity framework we perform a phenomenological study of the cosmological observables in light of the degeneracy between neutrinos physics and the modified gravity parameter and we identify specific patterns which allow to…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-12 Luís Atayde , Noemi Frusciante

Non-standard interactions (NSI) between neutrinos and matter at long-baseline experiments could make determination of the CP-violating phase $\delta_{13}$ ambiguous due to interference with additional complex phases. Such degeneracies are…

High Energy Physics - Phenomenology · Physics 2019-12-16 Jeffrey M. Hyde
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