Abstract
Recently, Csáki, Kaloper and Terning (CKT) suggested that axion-photon oscillation in the intergalactic medium can explain the observed dimming of distant type Ia supernovae. This mechanism works only if the initial axion flux is much smaller than the initial photon flux. We study several mechanisms for such initial axion production. The direct axion production in the supernovae, the photon-axion oscillation in the magnetic field of supernovae, and in the magnetic field of their host galaxies are addressed. We find it likely that the initial axion flux is very small and therefore does not pose a problem to the CKT mechanism.
Original language | English |
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Pages (from-to) | 23-28 |
Number of pages | 6 |
Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
Volume | 543 |
Issue number | 1-2 |
DOIs | |
State | Published - 5 Sep 2002 |
Externally published | Yes |
Bibliographical note
Funding Information:We are grateful to Borut Bajc, Adam Burrows, Arnon Dar, Yossi Nir, Yael Shadmi and Eli Waxman for helpful discussions. J.Z. thanks the Technion theory group for hospitality while this work was in progress. Y.G. was supported in part by the Israel Science Foundation under Grant No. 237/01-1 and by the United States–Israel Binational Science Foundation (BSF) through Grant No. 2000133. J.Z. was supported in part by the Ministry of Education, Science and Sport of the Republic of Slovenia.
Funding
We are grateful to Borut Bajc, Adam Burrows, Arnon Dar, Yossi Nir, Yael Shadmi and Eli Waxman for helpful discussions. J.Z. thanks the Technion theory group for hospitality while this work was in progress. Y.G. was supported in part by the Israel Science Foundation under Grant No. 237/01-1 and by the United States–Israel Binational Science Foundation (BSF) through Grant No. 2000133. J.Z. was supported in part by the Ministry of Education, Science and Sport of the Republic of Slovenia.
Funders | Funder number |
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United States-Israel Binational Science Foundation | 2000133 |
Israel Science Foundation | 237/01-1 |
Ministrstvo za Izobraževanje, Znanost in Šport |