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Power fluctuations in the wavelet space: large scale cmb non-gaussian statistics

Jun, 1998
9 pages
Published in:
  • New Astron. 3 (1998) 563
e-Print:
DOI:
Report number:
  • ISS-98-11
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19981999200001
Abstract: (arXiv)
We analyse the large-scale coherence of the CMB anisotropy field with non-gaussian initial conditions usind 2-point function of the power fluctuations in the wavelet space. Employing the multivariate Edgeworth expansion (MEE) we constrain the normalization for the cosmic string mass-per-unit-lenght. The obtained value is consistent with the results obtained from the simulations of the evolution of the string network and by other large scale studies.