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Hard X-ray Flares Preceding Soft X-ray Outbursts in Aquila X-1: A Link between Neutron Star and Black Hole State Transitions

(2003)

Authors:

Wenfei Yu, Marc Klein-Wolt, Rob Fender, Michiel van der Klis
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A First Mass Production of Gas Electron Multipliers

ArXiv hep-ex/0304013 (2003)

Authors:

PS Barbeau, JI Collar, JD Geissinger, J Miyamoto, I Shipsey, R Yang

Abstract:

We report on the manufacture of a first batch of approximately 2,000 Gas Electron Multipliers (GEMs) using 3M's fully automated roll to roll flexible circuit production line. This process allows low-cost, reproducible fabrication of a high volume of GEMs of dimensions up to 30$\times$30 cm$^{2}$. First tests indicate that the resulting GEMs have optimal properties as radiation detectors. Production techniques and preliminary measurements of GEM performance are described. This now demonstrated industrial capability should help further establish the prominence of micropattern gas detectors in accelerator based and non-accelerator particle physics, imaging and photodetection.
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Search for the companions of Galactic SNe Ia

(2003)

Authors:

P Ruiz-Lapuente, F Comeron, S Smartt, R Kurucz, J Mendez, R Canal, A Filippenko, R Chornock
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A 3\times10$^9$ M$_solar$ Black Hole in the Quasar SDSS J1148+5251 at z=6.41

\apjl 587 (2003) L15-L18-L15-L18

Authors:

CJ Willott, RJ McLure, MJ Jarvis
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The mass of the neutron star in Vela X-1 and tidally induced non-radial oscillations in GP Vel

Astronomy & Astrophysics EDP Sciences 401:1 (2003) 313-323

Authors:

H Quaintrell, AJ Norton, TDC Ash, P Roche, B Willems, TR Bedding, IK Baldry, RP Fender
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