2011
DOI: 10.1088/1475-7516/2011/06/013
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Towards a new generation axion helioscope

Abstract: We study the feasibility of a new generation axion helioscope, the most ambitious and promising detector of solar axions to date. We show that large improvements in magnetic field volume, x-ray focusing optics and detector backgrounds are possible beyond those achieved in the CERN Axion Solar Telescope (CAST). For hadronic models, a sensitivity to the axion-photon coupling of g aγ few × 10 −12 GeV −1 is conceivable, 1-1.5 orders of magnitude beyond the CAST sensitivity. If axions also couple to electrons, the … Show more

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Cited by 192 publications
(225 citation statements)
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“…Here X0 is the radiation length of the target material. The dotted magenta curve labeled IV is identical to curve III, only with 10 18 EOT, at which one event is expected from the irreducible neutrino trident background. Also plotted are the projections for an SPS style setup [20] using our Monte Carlo for 10 9 and 10 12 EOT.…”
Section: Figmentioning
confidence: 95%
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“…Here X0 is the radiation length of the target material. The dotted magenta curve labeled IV is identical to curve III, only with 10 18 EOT, at which one event is expected from the irreducible neutrino trident background. Also plotted are the projections for an SPS style setup [20] using our Monte Carlo for 10 9 and 10 12 EOT.…”
Section: Figmentioning
confidence: 95%
“…2b. The upper-most curve labeled I (red, solid) represents the 90 % confidence exclusion (2.3 event yield with zero background) of an experiment with target thickness of 10 −2 X0 and 10 15 EOT, the middle curve labeled II (red, dashed) represents the same exclusion for an upgraded experiment with 10 16 EOT and a thicker target of 10 −1 X0 with varying PT cuts on the recoiling electron in different kinematic regions (see Sec. V for details), and the lowest curve labeled III (red, dotted) represents an ultimate target for this experimental program assuming 3 × 10 16 EOT and imposing the highest signal-acceptance PT cuts on the recoiling electron.…”
Section: Figmentioning
confidence: 99%
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“…In specific models, though, the origin of these terms is linked. The initial model for the axion, the so-called PQWW axion [1,7,8], is linked to a solution to the QCD θ-problem, and is very constrained by data [9]. In the category of invisible axions, we find two popular axion models, DSFZ [10,11] and KSVZ [12][13][14].…”
Section: Jhep06(2015)173mentioning
confidence: 99%
“…A larger and more sensitive helioscope, the International Axion Observatory, is in the conceptualization stage. This sensitivity improvement is mainly achieved with a magnet having a much larger bore cross section (15).…”
Section: Example Search: Shining Light Through Walls and Other Laser mentioning
confidence: 99%