TY  - JOUR
AU  - Caputo, A.
PY  - 2019
DA  - 2019//
TI  - Radiative axion inflation
T2  - Phys. Lett. B
JO  - Physics Letters B
SP  - 134824
EP  - 7pp
VL  - 797
PB  - Elsevier
AB  - Planck data robustly exclude the simple lambda phi(4) scenario for inflation. This is also the case for models of "Axion Inflation" in which the inflaton field is the radial part of the Peccei-Quinn complex scalar field. In this letter we show that for the KSVZ model it is possible to match the data taking into account radiative corrections to the tree level potential. After writing down the 1-loop Coleman-Weinberg potential, we show that a radiative plateau is easily generated thanks to the fact that the heavy quarks are charged under SU(3)(c) in order to solve the strong CP problem. We also give a numerical example for which the inflationary observables are computed and the heavy quarks are predicted to have a mass m(Q) greater than or similar to 10(2) TeV.
SN  - 0370-2693
UR  - https://arxiv.org/abs/1902.02666
UR  - https://doi.org/10.1016/j.physletb.2019.134824
DO  - 10.1016/j.physletb.2019.134824
LA  - English
N1  - WOS:000488071200004
ID  - Caputo2019
ER  -