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Research News

Gold origin confirmed with first ever neutron star gravitational wave sighting

Gold’s origin in the Universe has finally been confirmed, after a gravitational wave source was seen and heard for the first time ever by an international collaboration of researchers, with astronomers at the University of Warwick playing a leading role.

Tue 17 October 2017, 15:50 | Tags: Research

Mid-infrared light emission > 3 um wavelength from tensile strained GeSn microdisks

Direct bandgap photoluminescence in the 3–5 um wavelength window is demonstrated from GeSn microdisks, suggesting that GeSn alloys are well suited for mid-infrared integrated gas sensors on Si chips.

Mon 16 October 2017, 14:58 | Tags: Research

ATLAS hunting second Higgs boson

After the discovery of the Higgs boson in 2012 a key question is whether it is the only one. The minimal supersymmetric standard model (MSSM) includes five physical Higgs bosons, three of them neutral. ATLAS has just published a search for a second neutral one decaying to tau pairs, covering a wide mass range above that of the discovered one using data collected in the years 2015 and 2016. This is the most sensitve search for such an MSSM Higgs yet.

Mon 25 September 2017, 10:32 | Tags: Research

Temperature-Dependent Photoluminescence Characteristics of GeSn Epitaxial Layers

We propose a suitable explanation for Germanium Tin epitaxial heterostructures temperature-dependent photoluminescence that is based upon the so far disregarded optical activity of dislocations.

Wed 13 September 2017, 10:02 | Tags: Research

Influence of ambient conditions on the evolution of wettability properties of aluminium alloys

Collaboration between the the Universidad Politecnica de Madrid, University of Birmingham and the Warwick XPS Facility has studied the evolution of surface chemistry and the associated wettability of laser-patterned aluminum alloys under abient conditions.

Mon 14 August 2017, 15:47 | Tags: Research

Neutrinos help to understand the dominance of matter over antimatter in the Universe

New results from the T2K experiment, in which Warwick is a key collaborator, have strengthened previous hints of a difference in the behaviour of neutrinos and antineutrinos . Neutrinos and antineutrinos come in three types (or flavours) and are capable of changing flavour as they travel from source to detector in a process known as 'flavour oscillations'. The recent analysis indicates that neutrinos and antineutrinos flavour oscillate with different probabilities. These results will help us shed light on the question of why the universe is dominated by matter, with very little observed antimatter.

Wed 09 August 2017, 08:49 | Tags: Research

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