Results 51 to 60 of about 7,809,762 (287)

Search for dark matter in the Milky Way halo with the High Energy Stereoscopic System [PDF]

open access: yes, 2014
In dieser Arbeit wird mit Hilfe von Daten, die mit dem High Energy Stereocopic System (H.E.S.S.) in Namibia aufgenommen wurden, indirekt nach dunkler Materie im Halo der Milchstraße gesuchtAn indirect search for the presence of dark matter particles in ...
Spengler, Gerrit Christian
core   +1 more source

Small scale structures in coupled scalar field dark matter

open access: yesPhysics Letters B, 2014
We investigate structure formation for ultra-light scalar field dark matter coupled to quintessence, in particular the cosmon–bolon system. The linear power spectrum is computed by a numerical solution of the coupled field equations.
J. Beyer, C. Wetterich
doaj   +1 more source

Constraints on dark matter and the shape of the Milky Way dark halo from the 511-keV line [PDF]

open access: yesMonthly Notices of the Royal Astronomical Society, 2006
11 pages, 4 figures, submitted to ...
Ascasibar, Y.   +3 more
openaire   +2 more sources

The evolution of dark matter substructure [PDF]

open access: yes, 2001
This thesis investigates the dynamical evolution of systems orbiting within deeper potentials. Initially we use a simple satellite-halo interaction to study the dynamical processes that act on orbiting systems and we compare these results to analytical ...
Roldán, Carlos Antonio Calcáneo
core  

The role of miR‐335‐5p in the redifferentiation of BRAF p.V600E thyroid cancers

open access: yesMolecular Oncology, EarlyView.
The BRAF p.V600E mutation promotes thyroid cancer dedifferentiation and radioiodine resistance. Using a network approach, we identified miR‐335‐5p as a key regulator of BRAF‐mutated thyroid tumors. Restoring miR‐335‐5p increased thyroid‐specific gene expression and iodine uptake in cells and organoids.
Valeria Pecce   +11 more
wiley   +1 more source

Stellar Bars in Isolated Gas-rich Spiral Galaxies Do Not Slow Down

open access: yesThe Astrophysical Journal, 2023
Elongated bar-like features are ubiquitous in galaxies, occurring at the centers of approximately two-thirds of spiral disks in the nearby Universe. Due to gravitational interactions between the bar and the other components of galaxies, it is expected ...
Angus Beane   +8 more
doaj   +1 more source

Grand Rotation Curve and Dark-Matter Halo in the Milky Way Galaxy [PDF]

open access: yesPublications of the Astronomical Society of Japan, 2012
A grand rotation curve of the Milky Way Galaxy was constructed, which covers a wide range of radius from the Galactic Center to $ \sim$ 1 Mpc, and was deconvolved into bulge, disk, and halo components by least-squares fittings. We determined the masses and scale radii of the bulge and disk to be $ {M_{\rm b}}$$ =$ (1.652 $ \pm$ 0.083) $ \times$ 10 ...
openaire   +2 more sources

In vitro and in silico modelling of ROS1‐positive non‐small cell lung cancer reveals fusion‐dependent tyrosine kinase inhibitor responses

open access: yesMolecular Oncology, EarlyView.
Drug resistance limits treatment success in a subset of lung cancers driven by ROS1 gene alterations. Using patient‐derived cells and computer simulations, we studied three key mutations and how they affect five targeted drugs. The mutations reduced drug effectiveness in different ways by altering protein structure and behavior.
Farhan Ul Haq   +8 more
wiley   +1 more source

Signature of a Dark Ultracompact Dwarf Galaxy Transiting the Milky Way Disk

open access: yesThe Astrophysical Journal Letters
We report the discovery of a vertical velocity anomaly in the stellar component of the Galactic disk, consistent with the impact of a dark, ultracompact dwarf galaxy (UCD)-sized object plunging into the Milky Way.
Ken Udagawa   +3 more
doaj   +1 more source

The clustering of dark matter, haloes & galaxies [PDF]

open access: yes, 2008
In this thesis I study the spatial distribution of galaxies, haloes and dark matter particles using a suite of state-of-art cosmological N-body simulations of the growth structure in the Universe.
Angulo de la Fuente, Raúl Esteban
core  

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