Results 21 to 30 of about 485,776 (111)

Global Venus‐Solar Wind Coupling and Oxygen Ion Escape

Geophysical Research Letters, Volume 48, Issue 3, 16 February 2021., 2021
Abstract The present‐day Venusian atmosphere is dry, yet, in its earlier history a significant amount of water evidently existed. One important water loss process comes from the energy and momentum transfer from the solar wind to the atmospheric particles.
M. Persson, Y. Futaana, R. Ramstad, A. Schillings, K. Masunaga, H. Nilsson, A. Fedorov, S. Barabash   +7 more
wiley   +1 more source

Mass radius of the proton [PDF]

Physical Review D, 2021
The mass radius is a fundamental property of the proton that so far has not been determined from experiment. Here we show that the mass radius of the proton can be rigorously defined through the formfactor of the trace of the energy-momentum tensor (EMT)
D. Kharzeev
semanticscholar   +1 more source

PSR J0030+0451 Mass and Radius from NICER Data and Implications for the Properties of Neutron Star Matter [PDF]

Astrophysical Journal, 2019
Neutron stars are not only of astrophysical interest, but are also of great interest to nuclear physicists because their attributes can be used to determine the properties of the dense matter in their cores.
M. Miller, F. Lamb, A. Dittmann, S. Bogdanov, Z. Arzoumanian, K. Gendreau, S. Guillot, A. Harding, W. C. G. Ho, W. C. G. Ho, J. Lattimer, R. Ludlam, S. Mahmoodifar, S. Mahmoodifar, S. Morsink, P. Ray, T. Strohmayer, K. Wood, T. Enoto, R. Foster, T. Okajima, G. Prigozhin, Y. Soong   +22 more
semanticscholar   +1 more source

The Gaia–Kepler Stellar Properties Catalog. II. Planet Radius Demographics as a Function of Stellar Mass and Age [PDF]

Astronomical Journal, 2020
Studies of exoplanet demographics require large samples and precise constraints on exoplanet host stars. Using the homogeneous Kepler stellar properties derived using the Gaia Data Release 2 by Berger et al., we recompute Kepler planet radii and incident
T. Berger, D. Huber, E. Gaidos, J. V. van Saders, L. Weiss   +4 more
semanticscholar   +1 more source

The proton charge radius [PDF]

Reviews of Modern Physics, 2021
Nucleons (protons and neutrons) are the building blocks of atomic nuclei, and are responsible for more than 99\% of the visible matter in the universe.
Haiyan Gao, M. Vanderhaeghen
semanticscholar   +1 more source

Emergence of Warm Inflation in Curved Space‐Time between Accelerating Branes

Advances in High Energy Physics, Volume 2020, Issue 1, 2020., 2020
It appears that having our own brane to somehow interact with other branes could give rise to quite an interesting system and that interaction could lead to some observable effects. We consider the question of whether or not these signatures of interaction between the branes can be observed. To answer this question, we investigate the effect induced by
Aroonkumar Beesham, Saibal Ray
wiley   +1 more source

The California-Kepler Survey. III. A Gap in the Radius Distribution of Small Planets [PDF]

, 2017
The size of a planet is an observable property directly connected to the physics of its formation and evolution. We used precise radius measurements from the California-Kepler Survey to study the size distribution of 2025 Kepler planets in fine detail ...
B. Fulton, E. Petigura, A. Howard, H. Isaacson, G. Marcy, P. Cargile, L. Hebb, L. Weiss, J. Johnson, T. Morton, E. Sinukoff, I. Crossfield, L. Hirsch   +12 more
semanticscholar   +1 more source

The California-Kepler Survey. VII. Precise Planet Radii Leveraging Gaia DR2 Reveal the Stellar Mass Dependence of the Planet Radius Gap [PDF]

Astronomical Journal, 2018
The distribution of planet sizes encodes details of planet formation and evolution. We present the most precise planet size distribution to date based on Gaia parallaxes, Kepler photometry, and spectroscopic temperatures from the California-Kepler Survey.
B. Fulton, E. Petigura
semanticscholar   +1 more source

The Radius of the High-mass Pulsar PSR J0740+6620 with 3.6 yr of NICER Data [PDF]

Astrophysical Journal
We report an updated analysis of the radius, mass, and heated surface regions of the massive pulsar PSR J0740+6620 using Neutron Star Interior Composition Explorer (NICER) data from 2018 September 21 to 2022 April 21, a substantial increase in data set ...
Tuomo Salmi, Devarshi Choudhury, Yves Kini, T. E. Riley, S. Vinciguerra, A. Watts, M. T. Wolff, Z. Arzoumanian, S. Bogdanov, D. Chakrabarty, K. Gendreau, S. Guillot, W. C. Ho, D. Huppenkothen, R. Ludlam, S. Morsink, P. Ray   +16 more
semanticscholar   +1 more source

Numerical Radius Inequalities for Hilbert Space Operators [PDF]

Complex Analysis and Operator Theory, 2018
In this work, an improvement of Hölder–McCarty inequality is established. Based on that, several refinements of the generalized mixed Schwarz inequality are obtained. Consequently, some new numerical radius inequalities are proved.
M. Alomari
semanticscholar   +1 more source