Results for "Matipon Tangmatitham"

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Current constraints on the cosmic growth historyFeb 22 2010Apr 26 2010We present constraints on the cosmic growth history with recent cosmological data, allowing for deviations from Lambda CDM as might arise if cosmic acceleration is due to modifications to GR or inhomogeneous dark energy. We combine measures of the cosmic ... More
Testing the Weak Equivalence Principle with Cosmological Gamma Ray BurstsMar 13 2019Gamma Ray Bursts (GRBs) with rapid variations at cosmological distances are used to place new limits on violations of the gravitational weak equivalence principle (WEP). These limits track intrinsic timing deviations between GRB photons of different energies ... More