REVIEW 4 cited by
Probing eV-scale axions with CAST
Not yet reviewed by Pith; the record is open.
This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.
SPECIMEN: schema-true, not a live event
T0 review · schema-true
One-sentence machine reading of the paper's core claim.
pith:XXXXXXXX · record.json · timestamp
abstract
We have searched for solar axions or other pseudoscalar particles that couple to two photons by using the CERN Axion Solar Telescope (CAST) setup. Whereas we previously have reported results from CAST with evacuated magnet bores (Phase I), setting limits on lower mass axions, here we report results from CAST where the magnet bores were filled with \hefour gas (Phase II) of variable pressure. The introduction of gas generated a refractive photon mass $m_\gamma$, thereby achieving the maximum possible conversion rate for those axion masses \ma that match $m_\gamma$. With 160 different pressure settings we have scanned \ma up to about 0.4 eV, taking approximately 2 h of data for each setting. From the absence of excess X-rays when the magnet was pointing to the Sun, we set a typical upper limit on the axion-photon coupling of $\gag\lesssim 2.17\times 10^{-10} {\rm GeV}^{-1}$ at 95% CL for $\ma \lesssim 0.4$ eV, the exact result depending on the pressure setting. The excluded parameter range covers realistic axion models with a Peccei-Quinn scale in the neighborhood of $f_{\rm a}\sim10^{7}$ GeV. Currently in the second part of CAST Phase II, we are searching for axions with masses up to about 1.2 eV using \hethree as a buffer gas.
Forward citations
Cited by 4 Pith papers
-
Ultralight Dark Matter from the Edge of Field Space
A scalar with hard field-space boundaries — a 'wallion' — is a viable ultralight dark-matter candidate whose exponentially small, radiatively stable mass and saturated relic density at large misalignment also suppress...
-
Spatial resolution studies with the BabyIAXO Micromegas prototype
The IAXO-D1 Micromegas prototype achieves 100 to 300 micrometer spatial resolution at 5 to 10 keV, below the 1 mm BabyIAXO requirement, with simulations matching the measurements.
-
Concurrent Exploration of Axion-Like Particle Interactions with Gauge Bosons at the LHC
Expected and observed 95% CL limits on the ALP couplings to gluons and W bosons are derived for a 1 MeV ALP, from simulated ZZa/WWa events at the HL-LHC and from recast CMS Z+jets and W+jets measurements.
-
Experiments to test the hypothesis for solar and dark matter axions
This is a pedagogical review of haloscope and helioscope experiments searching for dark matter and solar axions, with an overview of near-future technological developments.
Discussion (0). Continue with ORCID to comment.