Results 41 to 50 of about 13,047,142 (383)

Proton-electron mass ratio from laser spectroscopy of HD+ at the part-per-trillion level [PDF]

Science, 2020
A very precise ratio The value of the ratio of the masses of the proton and the electron has a bearing on the values of other physical constants. This ratio is known to a very high precision. Patra et al. improved this precision even further by measuring
S. Patra, M. Germann, J. Karr, M. Haidar, L. Hilico, V. Korobov, F. Cozijn, K. Eikema, W. Ubachs, J. Koelemeij   +9 more
semanticscholar   +1 more source

Effects of Mass and Damping on Flow-Induced Vibration of a Cylinder Interacting with the Wake of Another Cylinder at High Reduced Velocities

Energies, 2021
Flow-induced vibration is a canonical issue in various engineering fields, leading to fatigue or immediate damage to structures. This paper numerically investigates flow-induced vibrations of a cylinder interacting with the wake of another cylinder at a ...
Md. Mahbub Alam
doaj   +1 more source

Two-timescale evolution of extreme-mass-ratio inspirals: Waveform generation scheme for quasicircular orbits in Schwarzschild spacetime [PDF]

Physical Review D, 2020
Extreme-mass-ratio inspirals, in which a stellar-mass compact object spirals into a supermassive black hole in a galactic core, are expected to be key sources for LISA.
Jeremy Miller, A. Pound
semanticscholar   +1 more source

Experimentally Measured Thermal Masses of Adsorption Heat Exchangers

Energies, 2020
The thermal masses of components influence the performance of many adsorption heat pump systems. However, typically when experimental adsorption systems are reported, data on thermal mass are missing or incomplete.
Kyle R. Gluesenkamp, Andrea Frazzica, Andreas Velte, Steven Metcalf, Zhiyao Yang, Mina Rouhani, Corey Blackman, Ming Qu, Eric Laurenz, Angeles Rivero-Pacho, Sam Hinmers, Robert Critoph, Majid Bahrami, Gerrit Füldner, Ingemar Hallin   +14 more
doaj   +1 more source

Extreme mass ratio inspiral rates: dependence on the massive black hole mass [PDF]

, 2009
We study the rate at which stars spiral into a massive black hole (MBH) due to the emission of gravitational waves (GWs), as a function of the mass M of the MBH. In the context of our model, it is shown analytically that the rate approximately depends on
Alexander T, Alexander T, Alexander T Hopman C, Clovis Hopman, Eisenhauer F, Ferrarese L, Fiorito R, Freitag M, Freitag M, Freitag M, Gair J R, Gair J R, Gebhardt K, Gebhardt K, Genzel R, Gerssen J, Ghez A M, Ghez A M, Holley-Bockelmann K Sigurdsson S, Hopman C, Hopman C, Hopman C, Hopman C, Hopman C, Liu J-F, Miller J M, Miller J M, Miralda-Escudé J, Noyola E, O'Leary R M Kocsis B Loeb A, Perets H B, Rubbo L J, Sigurdsson S, Tremaine S, Yunes N, Zhang M   +35 more
core   +1 more source

The Binary Mass Ratio in the Black Hole Transient MAXI J1820+070 [PDF]

Astrophysical Journal, 2020
We present intermediate-resolution spectroscopy of the optical counterpart to the black hole X-ray transient MAXI J1820+070 (=ASASSN-18ey) obtained with the OSIRIS spectrograph on the 10.4 m Gran Telescopio Canarias.
M. Torres, M. Torres, J. Casares, J. Casares, F. Jiménez-Ibarra, F. Jiménez-Ibarra, A. Álvarez-Hernández, A. Álvarez-Hernández, T. Muñoz-Darias, T. Muñoz-Darias, M. Armas Padilla, M. Armas Padilla, P. Jonker, P. Jonker, M. Heida   +14 more
semanticscholar   +1 more source

Unity Formula that connect the Fine Structure constant and the Proton to Electron Mass Ratio

Social Science Research Network, 2021
In this paper will be presented the unity formulas that connect the fine-structure constant and the proton to electron mass ratio. The equations are simple,elegant and symmetrical in a great physical meaning. At the beginning we will make a review of the
Stergios Pellis
semanticscholar   +1 more source

Basin-scale control on N2O loss rate and emission in the Changjiang River network, China

Frontiers in Marine Science, 2022
Global riverine N2O emissions have been made by several studies with great uncertainty. However, the regional N2O budgets and patterns in large river networks is still unclear, due to the lacking understanding of in-river N2O emission rate and well ...
Fang Wang, Qibiao Yu, Weijin Yan, Siyu Tian, Siyu Tian, Peipei Zhang, Peipei Zhang, Jianing Wang   +7 more
doaj   +1 more source

Detecting Scalar Fields with Extreme Mass Ratio Inspirals. [PDF]

Physical Review Letters, 2020
We study extreme mass ratio inspirals (EMRIs), during which a small body spirals into a supermassive black hole, in gravity theories with additional scalar fields.
A. Maselli, Nicola Franchini, L. Gualtieri, T. Sotiriou   +3 more
semanticscholar   +1 more source

Minimum mass-radius ratio for charged gravitational objects [PDF]

, 2007
We rigorously prove that for compact charged general relativistic objects there is a lower bound for the mass-radius ratio. This result follows from the same Buchdahl type inequality for charged objects, which has been extensively used for the proof of ...
A. Balaguera-Antolínez, A. Chodos, A. Chodos, A. Einstein, A. Hosoka, A.G. Riess, A.W. Whinnett, C. G. Böhmer, C.A. Lopez, C.G. Böhmer, C.G. Böhmer, C.G. Böhmer, C.G. Böhmer, C.R. Ghezzi, H. Yoshinoya, H.A. Buchdahl, I.S. Booth, J. Katz, J. Poncede Leon, J.D. Beckenstein, L. Herrera, L.D. Landau, M. Buballa, M.K. Mak, M.K. Mak, N. Straumann, N. Tiwari, O. Gron, O. Gron, P. Bernardis de, P.J.E. Peebles, R. Gautreau, R.N. Tiwari, R.N. Tiwari, S. Hanany, S. Nojiri, S. Nojiri, S. Nojiri, S. Perlmutter, S. Ray, T. DeGrand, T. Harko, T. Padmanabhan, W.B. Bonnor   +43 more
core   +2 more sources