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Seismic noise will be the dominant source of noise at low frequencies for ground based gravitational wave detectors, such as LIGO now under construction. Future interferometers installed at LIGO plan to use at least a double pendulum…

General Relativity and Quantum Cosmology · Physics 2009-10-31 Mark A. Beilby , Gabriela Gonzalez , Michelle Duffy , Amber Stuver , Jennifer Poker

The previous article about material screening for GERDA points out the importance of strict material screening and selection for radioimpurities as a key to meet the aspired background levels of the GERDA experiment. This is directly done…

Instrumentation and Detectors · Physics 2008-12-04 D. Budjáš , W. Hampel , M. Heisel , G. Heusser , M. Keillor , M. Laubenstein , W. Maneschg , G. Rugel , S. Schönert , H. Simgen , H. Strecker

Successfully launched in June 2008, the Fermi Gamma-ray Space Telescope, formerly named GLAST, has been observing the high-energy gamma-ray sky with unprecedented sensitivity for more than two years, opening a new window on a wide variety…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Luca Baldini

We explore a new technique to measure cosmic shear using Einstein rings. In Birrer et al. (2017), we showed that the detailed modelling of Einstein rings can be used to measure external shear to high precision. In this letter, we explore…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-10 Simon Birrer , Alexandre Refregier , Adam Amara

We consider strong gravitational lensing by nearby stars. Using our wave-optical treatment of lensing phenomena, we study Einstein rings that may form around nearby stellar lenses. It is remarkable that these rings are bright and large…

Instrumentation and Methods for Astrophysics · Physics 2023-02-13 Slava G. Turyshev , Viktor T. Toth

We explore the discovery potential of light gravitino mass m_{3/2} by combining future cosmology surveys and collider experiments. The former probe the imprint of light gravitinos in the cosmic matter density field, whereas the latter…

High Energy Physics - Phenomenology · Physics 2015-06-17 Ayuki Kamada , Masato Shirasaki , Naoki Yoshida

Over the last three decades, an exceptionally good science case has been made for pursuing gravitational wave (GW) astronomy. This has engendered a worldwide effort to detect the extremely weak signals generated by expected sources. With…

General Relativity and Quantum Cosmology · Physics 2013-02-12 S. Buchman , J. A. Lipa , R. L. Byer , D. DeBra , K. Balakrishnan , G. Dufresne Cutler , A. Al-Fauwaz , E. Hultgren , A. K. Al-Jadaan , S. Saraf , S. Tan , S. Al-Thubiti , A. Zoellner

The Gamma-Ray Integrated Detectors (GRID) are a space project to monitor the transient gamma-ray sky in the multi-messenger astronomy era using multiple detectors on-board CubeSats. The second GRID detector, GRID-02, was launched in 2020.…

Instrumentation and Methods for Astrophysics · Physics 2021-12-21 Huaizhong Gao , Dongxin Yang , Jiaxing Wen , Xutao Zheng , Ming Zeng , Jirong Cang , Weihe Zeng , Xiaofan Pan , Qimin Zhou , Yihui Liu , Hua Feng , Binbin Zhang , Zhi Zeng , Yang Tian , GRID Collaboration

(abridged) Aims: RXS J113155.4-123155 (z=0.66) is a quadruply imaged lensed quasar with a resolved Einstein Ring. The goal of this paper is to provide a full characterization of this system, and more particularly accurate astrometry and…

In two previous papers we presented the LARES 2 space experiment aimed at a very accurate test of frame-dragging and at other tests of fundamental physics and measurements of space geodesy and geodynamics. We presented the error sources of…

General Relativity and Quantum Cosmology · Physics 2019-11-15 Ignazio Ciufolini , Richard Matzner , Vahe Gurzadyan , Roger Penrose

The advent of new observational facilities in the last two decades has allowed the rapid discovery and high-resolution optical imaging of many strong lens systems from galaxy to cluster scales, as well as their spectroscopic follow-up.…

Astrophysics · Physics 2009-11-10 L. V. E. Koopmans , I. W. A. Browne , N. J. Jackson

The Gamma Factory initiative proposes to develop novel research tools at CERN by producing, accelerating and storing highly relativistic, partially stripped ion beams in the SPS and LHC storage rings. By exciting the electronic degrees of…

The Gamma-ray Large Area Space Telescope (GLAST) is a next generation high energy gamma-ray observatory due for launch in Fall 2007. The primary instrument is the Large Area Telescope (LAT), which will measure gamma-ray flux and spectra…

Astrophysics · Physics 2009-09-29 R. Dubois

LIGO --- The Laser Interferometer Gravitational-Wave Observatory --- is one of several large projects being undertaken in the United States, Europe and Japan to detect gravitational radiation. The novelty and precision of these instruments…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Lee Samuel Finn

Strong gravitational lensing of gravitational wave sources offers a novel probe of both the lens galaxy and the binary source population. In particular, the strong lensing event rate and the time delay distribution of multiply-imaged…

Cosmology and Nongalactic Astrophysics · Physics 2022-04-20 Fei Xu , Jose Maria Ezquiaga , Daniel E. Holz

The Einstein Telescope (ET), a proposed third-generation gravitational wave observatory, would enable tests of the no-hair theorem by looking at the characteristic frequencies and damping times of black hole ringdown signals. In previous…

General Relativity and Quantum Cosmology · Physics 2015-06-19 J. Meidam , M. Agathos , C. Van Den Broeck , J. Veitch , B. S. Sathyaprakash

Some pulsars have their maximum observable energy output in the gamma-ray band, offering the possibility of using these high-energy photons as probes of the particle acceleration and interaction processes in pulsar magnetospheres. After an…

Astrophysics · Physics 2009-06-23 D. J. Thompson

In the fall of 2015 the first scientific observing run (O1) of the advanced LIGO detectors will be conducted. Based on the recent commissioning progress at the LIGO Hanford and Livingston sites, the gravitational wave detector range for a…

High Energy Astrophysical Phenomena · Physics 2015-06-09 Jordan Camp , Lindy Blackburn , Michael Briggs , Nelson Christensen , Valerie Connaughton , Leo Singer , Peter Shawhan , John Veitch

The French-Italian interferometric gravitational wave detector VIRGO is currently being commissioned. Its principal instrument is a Michelson interferometer with 3 km long optical cavities in the arms and a power-recycling mirror. This…

General Relativity and Quantum Cosmology · Physics 2019-08-14 A. Freise

We investigate the effects of gravitational lensing in the binary pulsar system J0737-3039. Current measurement of the orbital inclination allows the millisecond pulsar (A) to pass very close (at R_{min}=4000 km) in projection to the…

Astrophysics · Physics 2009-11-10 Dong Lai , Roman R. Rafikov