English
Related papers

Related papers: PoGOLite - A High Sensitivity Balloon-Borne Soft G…

200 papers

We report on the highest precision yet achieved in the measurement of the polarization of a low energy, $\mathcal{O}$(1 GeV), electron beam, accomplished using a new polarimeter based on electron-photon scattering, in Hall~C at Jefferson…

Polarization is a powerful diagnostic tool to constrain the site of the high-energy pulsed emission and particle acceleration in gamma-ray pulsars. Recent particle-in-cell simulations of pulsar magnetosphere suggest that high-energy…

High Energy Astrophysical Phenomena · Physics 2016-09-28 Benoît Cerutti , Jérémy Mortier , Alexander A. Philippov

The combination of plastic scintillators with Silicon Photo-Multipliers (SiPMs) is widely used for detecting radiation in high-energy astrophysics, particle physics, neutrino physics, or medical physics. An example of application for this…

Instrumentation and Methods for Astrophysics · Physics 2025-02-14 Nicolas De Angelis , Franck Cadoux , Coralie Husi , Merlin Kole , Sławomir Mianowski

Polarization measurements of the gamma-ray component of transient sources are of great scientific interest, they are however, also highly challenging. This is due to the typical low signal to noise and the potential for significant…

Instrumentation and Methods for Astrophysics · Physics 2023-04-05 Merlin Kole , Jianchao Sun

The Crab nebula and its pulsar have been observed for about 3 hours with the high-speed photo-polarimeter OPTIMA in January 2002 at the Calar Alto 3.5m telescope. The Crab pulsar intensity and polarization are determined at all phases of…

Astrophysics · Physics 2009-01-14 G. Kanbach , A. Slowikowska , S. Kellner , H. Steinle

The Polarized Instrument for Long-wavelength Observation of the Tenuous interstellar medium (PILOT) is a balloon-borne experiment aiming at measuring the polarized emission of thermal dust at a wavelength of 240 mm (1.2 THz). A first PILOT…

POLAR is a Compton polarimeter sensitive in the 50 to 500 keV energy range. The Crab pulsar is a scientific target for POLAR on board the Chinese space laboratory Tiangong-2 (TG-2). With its large Field of View (FoV), POLAR detected…

Instrumentation and Methods for Astrophysics · Physics 2019-10-18 POLAR collaboration , Hancheng Li , Mingyu Ge , Bobing Wu

In this work we present an active Compton scattering polarimeter as a focal plane instrument able to extend the X-ray polarimetry towards hard X-rays. Other authors have already studied various instrument design by means of Monte Carlo…

Instrumentation and Methods for Astrophysics · Physics 2013-01-08 Sergio Fabiani , Riccardo Campana , Enrico Costa , Ettore Del Monte , Fabio Muleri , Alda Rubini , Paolo Soffitta

Hard X / soft gamma-ray polarimetric analysis can be performed efficiently by the study of Compton scattering anisotropy in a detector composed of fine pixels. But in the energy range above 100 keV where sources flux are extremely weak and…

Instrumentation and Methods for Astrophysics · Physics 2011-09-08 Nicolas M. Barrière , Lorenzo Natalucci , Pietro Ubertini

We report a polarimetric constraint on the hard X-ray synchrotron jet emission from the Cygnus X-1 black-hole binary system. The observational data were obtained using the PoGO+ hard X-ray polarimeter in July 2016, when Cygnus X-1 was in…

We describe the development of a bolometric receiver designed to measure the arcminute-scale polarization of the cosmic microwave background (CMB). The Polatron will be mounted at the Cassegrain focus of the 5.5 m telescope at the Owens…

We have developed a bolometric detector that is intrinsically sensitive to linear polarization which is optimized for making measurements of the polarization of the cosmic microwave background radiation. The receiver consists of a pair of…

Astrophysics · Physics 2020-12-22 W. C. Jones , R. S. Bhatia , J. J. Bock , A. E. Lange

The linear polarisation of the Crab pulsar and its close environment was derived from observations with the high-speed photo-polarimeter OPTIMA at the 2.56-m Nordic Optical Telescope in the optical spectral range (400 - 750 nm). Time…

Solar and Stellar Astrophysics · Physics 2009-06-12 Agnieszka Słowikowska , Gottfried Kanbach , Michael Kramer , Alexander Stefanescu

The BLAST Observatory is a proposed superpressure balloon-borne polarimeter designed for a future ultra-long duration balloon campaign from Wanaka, New Zealand. To maximize scientific output while staying within the stringent superpressure…

The PICsIT detector onboard the INTEGRAL satellite was designed to provide information about emission in the soft gamma-ray band for many bright sources. Due to strong and variable instrumental background, only 4 objects have been detected…

Astrophysics · Physics 2009-11-13 Piotr Lubinski

Cadmium Zinc Telluride Imager (CZTI) aboard AstroSat has been regularly detecting Gamma-Ray Bursts (GRBs) since its launch in 2015. Its sensitivity to polarization measurements at energies above 100 keV allows CZTI to attempt…

We describe a novel method to measure the absolute orientation of the polarization plane of the CMB with arcsecond accuracy, enabling unprecedented measurements for cosmology and fundamental physics. Existing and planned CMB polarization…

Instrumentation and Methods for Astrophysics · Physics 2017-05-26 Federico Nati , Mark J. Devlin , Martina Gerbino , Bradley R. Johnson , Brian Keating , Luca Pagano , Grant Teply

Gamma-ray bursts (GRBs) are exceptionally bright electromagnetic events occurring daily on the sky. The prompt emission is dominated by X-/$\gamma$-rays. Since their discovery over 50 years ago, GRBs are primarily studied through spectral…

Instrumentation and Methods for Astrophysics · Physics 2018-09-12 M. Pearce , L. Eliasson , N. Kumar Iyer , M. Kiss , R. Kushwah , J. Larsson , C. Lundman , V. Mikhalev , F. Ryde , T. -A. Stana , H. Takahashi , F. Xie

In this paper we investigate the impact of using a polarization modulator in the Short Wavelenght Instrument for the Polarization Explorer (SWIPE) of the Large Scale Polarization Explorer (LSPE). The experiment is optimized to measure the…

Instrumentation and Methods for Astrophysics · Physics 2019-04-04 F. Columbro , E. S. Battistelli , A. Coppolecchia , G. D'Alessandro , P. de Bernardis , L. Lamagna , S. Masi , L. Pagano , A. Paiella , F. Piacentini , G. Presta
‹ Prev 1 3 4 5 6 7 10 Next ›