Search for isotropic γ radiation in the cosmological window between 65 and 200 TeV

Details Search for isotropic γ radiation in the cosmological window between 65 and 200 TeV Search for isotropic γ radiation in the cosmological window between 65 and 200 TeV

Feb 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phlb..347..161k&link_type=abstract

Physics Letters B, v. 347, p. 161-170

Physics

34

Scientific paper

Electromagnetic energy injected into the universe above a few hundred TeV is expected to pile up as γ radiation in a relatively narrow energy interval below 100 TeV due to its interaction with the 2.7°K background radiation. We present an upper limit (90% C.L.) on the ratio of primary γ to charged cosmic rays in the energy interval 65-160 TeV (80-200 TeV) of 10.3 . 10-3 (7.8 . 10-3). Data from the HEGRA cosmic-ray detector complex consisting of a wide angleČ erenkov array (AIROBICC) measuring the lateral distribution of air Čerenkov light and a scintillator array, were used with a novel method to discriminate γ-ray and hadron induced air showers. If the presently unmeasured universal far infrared background radiation is not too intense, the result rules out a topological-defect origin of ultrahigh energy cosmic rays for masses of theX particle released by the defects equal to or larger than about 1016 GeV.

Affiliated with

Also associated with

No associations

Rating

Search for isotropic γ radiation in the cosmological window between 65 and 200 TeV does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Search for isotropic γ radiation in the cosmological window between 65 and 200 TeV, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Search for isotropic γ radiation in the cosmological window between 65 and 200 TeV will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1824309