  We present low energy recoil detection results in the keV energy region, from
measurements performed with the Spherical Proportional Counter (SPC). An
${}^{241}Am-{}^{9}{Be}$ fast neutron source is used in order to obtain
neutron-nucleus elastic scattering events inside the gaseous volume of the
detector. The detector performance in the $keV$ energy region was resolved by
observing the $5.9\ keV$ line of a ${}^{55}Fe$ X-ray source, with energy
resolution of $9\%$ ($\sigma$). The toolkit GEANT4 was used to simulate the
irradiation of the detector by an ${}^{241}Am-{}^{9}{Be}$ source, while SRIM
was used to calculate the Ionization Quenching Factor (IQF). The GEANT4
simulated energy deposition spectrum in addition with the SRIM calculated
quenching factor provide valuable insight to the experimental results. The
performance of the SPC in low energy recoil detection makes the detector a good
candidate for a wide range of applications, including Supernova or reactor
neutrino detection and Dark Matter (WIMP) searches (via coherent elastic
scattering).
