Lecture Notes in Physics
DOI: 10.1007/978-3-540-73518-2_10
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Axion Searches in the Past, at Present, and in the Near Future

Abstract: Summary. Theoretical axion models state that axions are very weakly interacting particles. In order to experimentally detect them, the use of colorful and inspired techniques becomes mandatory. There is a wide variety of experimental approaches that were developed during the last 30 years, most of them make use of the Primakoff effect, by which axions convert into photons in the presence of an electromagnetic field. We review the experimental techniques used to search for axions and will give an outlook on exp… Show more

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Cited by 45 publications
(57 citation statements)
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“…1 In this case, such a scale can be determined from its coupling to two photons or two gluon fields: L ¼ 1 8 g F F a þ 1 8 g g G Â G a, where g ¼ 8=ðf Þ and g g ¼ 3 s =ðf g Þ. A variety of experiments have explored scalar or pseudoscalars with these properties, but most of them are just sensitive to m a < 1 GeV [7]. The super KEKB upgrade to KEKB is expected to improve an existing bound on g up to <1:9 Â 10 À6 GeV À1 for a mass m a < 0:13 GeV.…”
Section: A Global Uð1þ Symmetriesmentioning
confidence: 98%
“…1 In this case, such a scale can be determined from its coupling to two photons or two gluon fields: L ¼ 1 8 g F F a þ 1 8 g g G Â G a, where g ¼ 8=ðf Þ and g g ¼ 3 s =ðf g Þ. A variety of experiments have explored scalar or pseudoscalars with these properties, but most of them are just sensitive to m a < 1 GeV [7]. The super KEKB upgrade to KEKB is expected to improve an existing bound on g up to <1:9 Â 10 À6 GeV À1 for a mass m a < 0:13 GeV.…”
Section: A Global Uð1þ Symmetriesmentioning
confidence: 98%
“…propagating unchanged, while the parallel polarization k and the would-be longitudinal polarization change their propagation. 3 For completeness, we give the full propagator without the assumptionk ÁB ¼ 0:…”
Section: Particular Case: No Axion Backgroundmentioning
confidence: 99%
“…Their contribution to the mass density results from the energy stored in the collective oscillations around the minimum of the axion potential aðtÞ ¼ a 0 cosðmtÞ; (1) with a frequency that is given by the axion mass m. We know that this mass must be somewhere in the range [3] 1 eV > m > 10 À6 eV:…”
Section: Introductionmentioning
confidence: 99%
“…These (hypothetic) particles can play a fundamental role in the formation of Dark Matter (DM), whose contribution into the Universe energy balance is estimated to be about 23% (see, e.g., [2][3][4][5]). The axion electrodynamics established by Weinberg and Wilczek [6][7][8] gives us a new instrument for DM investigation since the model of coupling between photons and the pseudoscalar (axion) field proposed by Ni in [9] predicts the effect of polarization rotation when the electromagnetic waves travel through the axion system (see, e.g., [10][11][12][13]).…”
Section: Introductionmentioning
confidence: 99%