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- Institute for Advanced StudyUS115 papers
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8 papers · 1 filter
The Dust Content of Galaxy Clusters
Doron Chelouche, Benjamin P. Koester, David V. Bowen
We report on the detection of reddening toward z ~ 0.2 galaxy clusters. This is measured by correlating the Sloan Digital Sky Survey cluster and quasar catalogs and by comparing th…
Massive Vector Scattering in Lee-Wick Gauge Theory
Benjamin Grinstein, Donal O'Connell, Mark B. Wise
We demonstrate that amplitudes describing scattering of longitudinally polarized massive vector bosons present in non-Abelian Lee-Wick gauge theory do not grow with energy and, hen…
High frequency EPR on dilute solutions of the single molecule magnet Ni
G. de Loubens, A. D. Kent, V. Krymov +3
Dilute frozen solutions of the single molecule magnet Ni (S=4) have been studied using high frequency D-band (130 GHz) EPR. Despite the random orientation of the molecules, wel…
LHC Phenomenology of an Extended Standard Model with a Real Scalar Singlet
Vernon Barger, Paul Langacker, Mathew McCaskey +2
Gauge singlet extensions of the Standard Model (SM) scalar sector may help remedy its theoretical and phenomenological shortcomings while solving outstanding problems in cosmology.…
The shapes, orientation, and alignment of Galactic dark matter subhalos
M. Kuhlen, J. Diemand, P. Madau
We present a study of the shapes, orientations, and alignments of Galactic dark matter subhalos in the ``Via Lactea'' simulation of a Milky Way-size LCDM host halo. Whereas isolate…
Agile low phase noise radio-frequency sine wave generator applied to experiments on ultracold atoms
Olivier Morizot, Julien De Lapeyre De Bellair, Fabrice Wiotte +3
We report on the frequency performance of a low cost (~500$) radio-frequency sine wave generator, using direct digital synthesis (DDS) and a field-programmable gate array (FPGA). T…