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

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A summary of the parameter degeneracy issue for long baseline neutrino oscillations is presented and how a sequence of measurements can be used to resolve all degeneracies. Next, a comparison of the JHF and NuMI Off-Axis proposals is made…

High Energy Physics - Phenomenology · Physics 2017-08-23 Hisakazu Minakata , Hiroshi Nunokawa , Stephen Parke

We study the projected clustering of photometric luminous red galaxies from the DESI Legacy Survey, combining their angular power spectrum, bispectrum, and cross-correlation with maps of the CMB lensing convergence from the Planck…

Cosmology and Nongalactic Astrophysics · Physics 2025-10-21 Francesco Verdiani , Lea Harscouet , Matteo Zennaro , David Alonso , Boryana Hadzhiyska

Massive neutrinos are expected to influence the formation of the large-scale structure of the Universe, depending on the value of their total mass, $\Sigma m_\nu$. In particular Planck data indicate that a non-zero $\Sigma m_\nu$ may help…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-22 Mauro Roncarelli , Carmelita Carbone , Lauro Moscardini

By using most of the present CMB and LSS measurements and the BBN constraints on the primordial helium abundance, Y_p, we set bounds on the radiation content of the Universe and neutrino properties. We consider lepton asymmetric…

Astrophysics · Physics 2010-02-26 Lucia Aurelia Popa , Ana Vasile

In the Standard Model, neutrinos are massless. However, oscillation experiments demonstrate that they do have a small mass. Currently, only the differences of the masses squared are known, along with an upper bound on their sum. Upcoming…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-20 Farshad Kamalinejad , Zachary Slepian

Cosmology in the near future promises a measurement of the sum of neutrino masses, a fundamental Standard Model parameter, as well as substantially-improved constraints on the dark energy. We use the shape of the BOSS redshift-space galaxy…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-09 Amol Upadhye

We derive the Boltzmann equation in the synchronous gauge for massive neutrinos with a deformed dispersion relation. Combining the 7-year WMAP data with lower-redshift measurements of the expansion rate, we give constraints on the…

Cosmology and Nongalactic Astrophysics · Physics 2012-09-06 Zong-Kuan Guo , Qing-Guo Huang , Rong-Gen Cai , Yuan-Zhong Zhang

In this paper we obtain constraints on the cosmological density parameters, \Omega_m and \Omega_b, by comparing the preliminary measurement of the QSO power spectrum from the two degree field QSO redshift survey with results from an…

Astrophysics · Physics 2009-11-07 Kazuhiro Yamamoto

We study the effects of halo substructure and a distribution in the concentration parameter of haloes on large-scale structure statistics. The effects on the power spectrum and bispectrum are studied on the smallest scales accessible from…

Astrophysics · Physics 2007-05-23 Derek Dolney , Bhuvnesh Jain , Masahiro Takada

High energy neutrinos and anti-neutrinos ($\gtrsim$ 100 GeV) can inject energetic electromagnetic particles into the baryon-photon plasma in the high redshift universe through electroweak showers from electroweak bremsstrahlung, inelastic…

Cosmology and Nongalactic Astrophysics · Physics 2020-11-11 Sandeep Kumar Acharya , Rishi Khatri

Validating the accelerating expansion of the universe is an important issue for understanding the evolution of the universe. By constraining the cosmic acceleration parameter $X_H$, we can discriminate between the $\Lambda \mathrm{CDM}$…

Astrophysics of Galaxies · Physics 2023-12-14 Meng-Fei Sun , Jin Li , Shuo Cao , Xiaolin Liu

The presence of massive neutrinos has still not been revealed by the cosmological data. We consider a novel method based on the two-point line-of-sight correlation function of high-resolution Lyman-$\alpha$ data to achieve this end in the…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-06 Anjan K. Sarkar , Shiv K. Sethi

In this letter, we show that upper-limits on neutrino mass translate into upper-limits on the class of neutrino-matter interactions that can generate loop corrections to the neutrino mass matrix. We apply our results to $\mu$- and…

High Energy Physics - Phenomenology · Physics 2016-08-16 Gary Prézeau , Andriy Kurylov

Combining measurements of the galaxy power spectrum and the cosmic microwave background (CMB) is a powerful means of constraining the summed mass of neutrino species sum(m_nu), but is subject to systematic uncertainties due to non-linear…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Molly E. C. Swanson , Will J. Percival , Ofer Lahav

The idea of Nelson and Strassler to obtain a power law suppression of parameters by a superconformal force is applied to understand the smallness of the $\mu$ parameter and neutrino masses in R-parity violating supersymmetric standard…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jisuke Kubo , Daijiro Suematsu

We present a method to produce mock galaxy catalogues with efficient perturbation theory schemes, which match the number density, power spectra and bispectra in real and in redshift space from N-body simulations. The essential contribution…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-22 Francisco-Shu Kitaura , Héctor Gil-Marín , Claudia Scoccola , Chia-Hsun Chuang , Volker Müller , Gustavo Yepes , Francisco Prada

Despite growing efforts to find the sources of high energy neutrinos measured by IceCube, the bulk of the neutrinos remain with unknown origins. We aim to constrain the emissivity of cosmic high-energy neutrinos from extragalactic sources…

High Energy Astrophysical Phenomena · Physics 2026-02-04 Alberto Gálvez Ureña , Federico Urban , David Alonso

We perform a forecast analysis on how well a Euclid-like photometric galaxy cluster survey will constrain the total neutrino mass and effective number of neutrino species. We base our analysis on the Monte Carlo Markov Chains technique by…

Cosmology and Nongalactic Astrophysics · Physics 2013-11-08 M. Costanzi Alunno Cerbolini , B. Sartoris , Jun-Qing Xia , A. Biviano , S. Borgani , M. Viel

Solar, atmospheric, and reactor neutrino experiments have confirmed neutrino oscillations, implying that neutrinos have non-zero mass, but without pinning down their absolute masses. While it is established that the effect of neutrinos on…

Astrophysics · Physics 2010-12-09 Oystein Elgaroy , Ofer Lahav

We use measurements of luminosity-dependent galaxy bias at several different redshifts, SDSS at $z=0.05$, DEEP2 at $z=1$ and LBGs at $z=3.8$, combined with WMAP five-year cosmic microwave background anisotropy data and SDSS Red Luminous…

Astrophysics · Physics 2008-11-26 Francesco De Bernardis , Paolo Serra , Asantha Cooray , Alessandro Melchiorri