Results 41 to 50 of about 461,621 (314)

Scintillation Response of 0D Cs3Cu2I5 Thin Layers to Light‐ and Heavy‐Ion Irradiation

open access: yesAdvanced Photonics Research, EarlyView.
Driven by increasing interest in uncovering the remarkable photoluminescence quantum yield of Cs3Cu2I5, polycrystalline thin layers are synthesized to investigate its radioluminescence response to energetic ions. Its spectroscopic capability is assessed in a wide range of ion mass and internal excitation processes are explored.
Mátyás Hunyadi   +6 more
wiley   +1 more source

Forward and backward galaxy evolution in comoving number density space [PDF]

open access: yes, 2016
Galaxy comoving number density is commonly used to forge progenitor/descendant links between observed galaxy populations at different epochs. However, this method breaks down in the presence of galaxy mergers, or when galaxies experience stochastic growth rates.
arxiv   +1 more source

Galaxy Evolution in Clusters [PDF]

open access: yes, 2019
In this thesis, we aim to further elucidate the phenomenon of galaxy evolution in the environment of galaxy clusters using the methodology of numerical simulations. For that, we have developed hydrodynamic models in which idealized gas-rich galaxies move within the ICM of idealized galaxy clusters, allowing us to probe in a detailed and controlled ...
openaire   +2 more sources

The evolution of galaxy clustering [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 1997
This paper investigates whether nonlinear gravitational instability can account for the clustering of galaxies on large and small scales, and for the evolution of clustering with epoch. No CDM-like spectrum is consistent with the shape of the observed nonlinear spectrum. Unbiased low-density models greatly overpredict the small-scale correlations; high-
openaire   +3 more sources

A Simple Technique for Predicting High-Redshift Galaxy Evolution

open access: yes, 2015
We show that the ratio of galaxies' specific star formation rates (SSFRs) to their host halos' specific mass accretion rates (SMARs) strongly constrains how the galaxies' stellar masses, specific star formation rates, and host halo masses evolve over ...
Behroozi, Peter S., Silk, Joseph
core   +2 more sources

Empirical Constraints on the Evolution of the Relationship between Black Hole and Galaxy Mass: Scatter Matters [PDF]

open access: yes, 2009
I investigate whether useful constraints on the evolution of the relationship between galaxy mass and black hole (BH) mass can be obtained from recent measurements of galaxy stellar mass functions and QSO bolometric luminosity functions at high redshift.
Somerville, Rachel S.
core   +2 more sources

AhR‐Dependent Induction of β‐Defensin 1 in Colonic Epithelial Cells Regulates Cross‐Talk between Gut Microbiota and Immune Response Leading to Attenuation of Colitis

open access: yesAdvanced Science, EarlyView.
This study identifies a key signaling pathway involving the environmental sensor AhR and antimicrobial peptides, such as BD‐1, in the regulation of intestinal homeostasis. It highlights the role of BD‐1 in regulating gut microbiota and the intestinal immune response.
Manikandan Palrasu   +16 more
wiley   +1 more source

Cosmological evolution of galaxies [PDF]

open access: yes, 2013
I review the subject of the cosmological evolution of galaxies, including different aspects of growth in disk galaxies, by focussing on the angular momentum problem, mergers, and their by-products. I discuss the alternative to merger-driven growth -- cold accretion and related issues.
openaire   +3 more sources

Evolution of galaxy habitability [PDF]

open access: yesAstronomy & Astrophysics, 2016
We combine a semi-analytic model of galaxy evolution with constraints on circumstellar habitable zones and the distribution of terrestrial planets to probe the suitability of galaxies of different mass and type to host habitable planets, and how it evolves with time.
Sungwook E. Hong, Raphael Gobat
openaire   +4 more sources

Non-parametric analysis of the rest-frame UV sizes and morphological disturbance amongst L* galaxies at 4 [PDF]

open access: yes, 2016
We present the results of a study investigating the sizes and morphologies of redshift 4 < z < 8 galaxies in the CANDELS GOODS-S, HUDF and HUDF parallel fields.
Curtis-Lake, E.   +14 more
core   +5 more sources

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