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16 papers · 1 filter
Continuum Limit of Scalar Masses and Mixing Energies
W. Lee, D. Weingarten
We evaluate the continuum limit of the valence approximation to the mass of scalar quarkonium and to the scalar quarkonium-glueball mixing energy for a range of different quark mas…
Observation and Theory of The Initial Stellar Mass Function
B. G. Elmegreen
Observations of normal galactic star-forming regions suggest there is widespread near-uniformity in the initial stellar mass function (IMF) in spite of diverse physical conditions.…
The initial stellar mass function from random sampling in hierarchical clouds II: statistical fluctuations and a mass dependence for starbirth positions and times
B. G. Elmegreen
Observed variations in the slope of the initial stellar mass function are shown to be consistent with a model in which the protostellar gas is randomly sampled from hierarchical cl…
Global and Local Measures of the Intrinsic Josephson Coupling in Tl2Ba2CuO6
A. A. Tsvetkov, D. van der Marel, K. A. Moler +12
The Intlerlayer Josephson coupling between the planes of Tl2Ba2CuO6 was determined using infrared spectroscopy and magnetic flux vortex imaging. These methods give a consistent val…
Spontaneous and Induced Star Formation in the LMC
Y. N. Efremov, B. G. Elmegreen
Spontaneous and triggered star formation in the LMC is discussed with data on star clusters ages and positions. The supershell LMC4 and the stellar arcs in the same region are sugg…
Coupling Constant and Quark Loop Expansion for Corrections to the Valence Approximation
W. Lee, D. Weingarten
For full QCD vacuum expectation values we construct an expansion in quark loop count and in powers of a coupling constant. The leading term in this expansion is the valence (quench…