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An upper limit on mass density of quark nuggets from the microlensing event statistics

Title
An upper limit on mass density of quark nuggets from the microlensing event statistics
Authors
Yoon S.U.Lee C.H.Yang J.
Ewha Authors
양종만
SCOPUS Author ID
양종만scopus
Issue Date
1998
Journal Title
Modern Physics Letters A
ISSN
0217-7323JCR Link
Citation
vol. 13, no. 19, pp. 1547 - 1555
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
We calculate the spectrum of separations between nucleation sites hadron bubbles formed during the first-order cosmic QCD phase transition considered within the Lee-Wick model, an effective QCD model. On the basis of the separation spectrum, we construct a naive model mass spectrum of quark nuggets. Using this mass spectrum and the microlensing event statistics of the MACHO group, we place an upper limit on the mass density of quark nuggets in the galactic halo.
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자연과학대학 > 물리학전공 > Journal papers
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