Axion-like-particle decay in strong electromagnetic backgrounds
نویسندگان
چکیده
منابع مشابه
Axion Decay of a Photon in an External Electromagnetic Field
An interaction of a pseudoscalar particle with two photons induced by an external electromagnetic field is used to study the photon decay γ → γa where a is a pseudoscalar particle associated with the Peccei-Quinn U(1) symmetry. The fieldinduced axion emission by photon is analyzed as a possible source of energy losses by astrophysical objects.
متن کاملAxion decay a → ff̃ in a strong magnetic field
The axion decay into charged fermion-antifermion pair a → f f̃ is studied in a strong magnetic field (B > Be).The result we have obtained can be of use to reexamine the lower limit on the axion mass in a case of possible existence of strong magnetic fields at the early Universe stage. Peccei-Quinn (PQ) symmetry [1] continues to be the most attractive solution to the problem of CP-conservation in...
متن کاملAxion decay a → ff̃ in a strong magnetic field
The axion decay into charged fermion-antifermion pair a → f f̃ is studied in external crossed and magnetic fields. The result we have obtained can be of use to re-examine the lower limit on the axion mass in case of possible existence of strong magnetic fields at the early Universe stage. will be published in Phys. Lett. B Peccei-Quinn (PQ) symmetry [1] continues to be the most attractive soluti...
متن کاملElectromagnetic Catalysis of the Radiative Decay of the Axion
The radiative decay of the axion a → γγ is investigated in an external electromagnetic field in DFSZ model in which axion couples to both quarks and leptons at tree level. The decay probability is strongly catalyzed by the external field, namely, the field removes the main suppression caused by the smallness of the axion mass. will be published in Phys. Lett. B Various extensions of the Standar...
متن کاملCornering the axion-like particle explanation of quasar polarisations
In a series of paper, it has been shown that the distribution of polarisation position angles for visible light from quasars is not random in extremely large regions of the sky. As explained in a recent article, the measurement of vanishing circular polarisation for such quasars is an important problem for a mechanism involving the mixing with axionlike particles in external magnetic fields. In...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2019
ISSN: 1029-8479
DOI: 10.1007/jhep12(2019)162