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68 papers · 1 filter
Strangelets in Cosmic Rays
Jes Madsen
The properties of strangelets are reviewed and two experiments searching for them in cosmic rays are described. The prospects for strangelets as ultra-high energy cosmic rays beyon…
Strangelets, Nuclearites, Q-balls--A Brief Overview
Jes Madsen
Astrophysical bounds on the properties and abundances of primordial quark nuggets and cosmic ray strangelets are reviewed. New experiments to search for cosmic ray strangelets in l…
Sum formulas for reductive algebraic groups
Henning Haahr Andersen, Upendra Kulkarni
Let be a Weyl module either for a reductive algebraic group or for the corresponding quantum group . If is defined over a field of positive characteristic , res…
Solving the m-mixing problem for the three-dimensional time-dependent Schrödinger equation by rotations: application to strong-field ionization of H2+
T. K. Kjeldsen, L. A. A. Nikolopoulos, L. B. Madsen
We present a very efficient technique for solving the three-dimensional time-dependent Schrodinger equation. Our method is applicable to a wide range of problems where a fullly thr…
Selective population and neutron decay of the first excited state of semi-magic O-23
A. Schiller, N. Frank, T. Baumann +14
We have observed an excited state in the neutron-rich semi-magic nucleus O-23 for the first time. No such states have been found in previous searches using gamma-ray spectroscopy.…
Seismology of Procyon A: determination of mode frequencies, amplitudes, lifetimes, and granulation noise
S. Leccia, H. Kjeldsen, A. Bonanno +3
The F5 IV-V star Procyon A (aCMi) was observed in January 2001 by means of the high resolution spectrograph SARG operating with the TNG 3.5m Italian telescope (Telescopio Nazionale…