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Systematic Uncertainties in Black Hole Masses Determined from Single Epoch Spectra
Kelly D. Denney, Bradley M. Peterson, Matthias Dietrich +2
We explore the nature of systematic errors that can arise in measurement of black hole masses from single-epoch spectra of active galactic nuclei (AGNs) by utilizing the many epoch…
The Mass of the Black Hole in the Quasar PG 2130+099
C. J. Grier, B. M. Peterson, M. C. Bentz +14
We present the results of a recent reverberation-mapping campaign undertaken to improve measurements of the radius of the broad line region and the central black hole mass of the q…
Single-Pion Production in pp Collisions at 0.95 GeV/c (II)
S. Abd El-Samad, R. Bilger, K. Th. Brinkmann +41
The single-pion production reactions , and were measured at a beam momentum of 0.95 GeV/c ( 400 MeV) using the short version of…
Two-Pion Production in Proton-Proton Collisions with Polarized Beam
S. Abd El-Bary, S. Abd El-Samad, R. Bilger +46
The two-pion production reaction was measured with a polarized proton beam at 750 and 800 MeV using the short version of the COSY-TOF spectrome…