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Verifying the Cosmological Utility of Type Ia Supernovae: Implications of a Dispersion in the Ultraviolet Spectra
R. S. Ellis, M. Sullivan, P. E. Nugent +16
We analyze the mean rest-frame ultraviolet (UV) spectrum of Type Ia Supernovae (SNe Ia) and its dispersion using high signal-to-noise Keck-I/LRIS-B spectroscopy for a sample of 36…
SNLS Spectroscopy: Testing for Evolution in Type Ia Supernovae
T. J. Bronder, I. M. Hook, P. Astier +19
Aims: We present a quantitative study of a new data set of high redshift Type Ia supernovae spectra, observed at the Gemini telescopes during the first 34 months of the Supernova L…
Search for one large extra dimension with the DELPHI detector at LEP2
S. Ask, V. Hedberg, F. -L. Navarria
Single photons detected by the DELPHI experiment at LEP2 in the years 1997-2000 are used to investigate the existence of a single extra dimension in a modifed ADD scenario with sli…
Study of Triple-Gauge-Boson Couplings ZZZ, ZZgam and Zgamgam at LEP
The DELPHI Collaboration, J. Abdallah
Neutral triple-gauge-boson couplings ZZZ, ZZgam and Zgamgam have been studied with the DELPHI detector using data at energies between 183 and 208 GeV. Limits are derived on these c…
Zgamma* production in e+e- interactions at sqrt{s} = 183 - 209 GeV
The DELPHI Collaboration, J. Abdallah
Measurements of Zgamma* production are presented using data collected by the DELPHI detector at centre-of-mass energies ranging from 183 to 209 GeV, corresponding to an integrated…
Is there Evidence for a Hubble bubble? The Nature of Type Ia Supernova Colors and Dust in External Galaxies
A. Conley, R. G. Carlberg, J. Guy +4
We examine recent evidence from the luminosity-redshift relation of Type Ia Supernovae (SNe Ia) for the detection of a ``Hubble bubble'' -- a departure of the local valu…