Skip to main content

Research Repository

Advanced Search

Outputs (359)

Top-pair forward-backward asymmetry beyond next-to-leading order. (2011)
Journal Article
Ahrens, V., Ferroglia, A., Neubert, M., Pecjak, B. D., & Yang, L. L. (2011). Top-pair forward-backward asymmetry beyond next-to-leading order. Physical Review D, 84(7), Article 074004. https://doi.org/10.1103/physrevd.84.074004

We make use of recent results in effective theory and higher-order perturbative calculations to improve the theoretical predictions of the QCD contribution to the top-quark pair production forward-backward asymmetry at the Tevatron. In particular, we... Read More about Top-pair forward-backward asymmetry beyond next-to-leading order..

X-ray spectral evolution in the ultraluminous X-ray source M33 X-8 (2011)
Journal Article
Middleton, M., Sutton, A., & Roberts, T. (2011). X-ray spectral evolution in the ultraluminous X-ray source M33 X-8. Monthly Notices of the Royal Astronomical Society, 417(1), 464-471. https://doi.org/10.1111/j.1365-2966.2011.19285.x

The bright ultraluminous X-ray source (ULX), M33 X-8, has been observed several times by XMM–Newton, providing us with a rare opportunity to ‘flux bin’ the spectral data and search for changes in the average X-ray spectrum with flux level. The aggreg... Read More about X-ray spectral evolution in the ultraluminous X-ray source M33 X-8.