Dilaton and axion bremsstrahlung from collisions of cosmic (super)strings
classification
✦ hep-th
keywords
axiondilatonstringsbremsstrahlungcalculatecollisioncollisionscosmic
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We calculate dilaton and axion radiation generated in the collision of two straight initially unexcited strings and give a rough cosmological estimate of dilaton and axion densities produced via this mechanism in the early universe.
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