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Physical Review Letters
Volumn 59, Issue 7, 1987, Pages 839-842
Limits on the abundance and coupling of cosmic axions at 4.5
Author keywords

[No Author keywords available]
Indexed keywords

EID: 3943050556     PISSN: 00319007     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevLett.59.839     Document Type: Article
Times cited : (336)
References (28)
  • 17
    • 84927380859 scopus 로고    scopus 로고
    • for a recent review see, for instance, E. W. Kolb, Fermi National Accelerator Laboratory Report No. 86/128A, 1986 (unpublished).
  • 23
    • 84927380858 scopus 로고    scopus 로고
    • S. Weinreb, D. Fenstermacher, and R. Harris, National Radio Astronomy Observatory Internal Report No. 220, 1981 (unpublished); S. DePanfilis and J. Rogers, University of Rochester Report No. Ur-1013, 1987 (to be published).
  • 24
    • 84927380857 scopus 로고    scopus 로고
    • This includes the contribution Tc = 4 K from the cavity.
  • 25
    • 84927380856 scopus 로고    scopus 로고
    • The output of each Δ fm = 200-Hz FWHM multiplexer channel went to a square-law diode power detector followed by an integrator whose decay time was set at τ = 100 msec. The effective number of averages per decay time was 2 π ^ Δ fm ^ τ = 125. By sampling the readout at 10 times/sec, we were able to achieve the equivalent of 80^000 averages total for each bin as it was swept past in 64 bins; the sweep rate was typically 1 channel/sec.
  • 26
    • 84927380855 scopus 로고    scopus 로고
    • Equation (7) is also approximately valid for Γa > 104 Hz in which case Pa < 10-20 [ Γ / (200 Hz)] W;
  • 27
    • 84927380854 scopus 로고    scopus 로고
    • this limit is also applicable to any light pseudoscalar particle;

* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.