Speaker
Description
The νGeN experimental setup is deployed at Kalinin Nuclear Power Plant at a distance of 11 m from the center of the Unit 3 core. The experiment aims for observation of coherent elastic scattering of reactor antineutrinos off nuclei (CEvNS) and performs a search of antineutrino magnetic moment (NMM) using a 1.4 kg HPGe detector. Based on the dataset acquired from September 2022 to May 2023 we report a 90% C.L. upper limit on CEvNS cross-section of 5.0/2.0 times larger than the Standard model prediction depending on the assumption of nuclear recoil quenching factor. The 90% C.L. sensitivity of νGeN to NMM evaluated for the same dataset is $5.3\cdot10^{−11} \mu_{B}$, while the increase of exposition to 1100 kg$\cdot$days together with application of a background model allows to reach an upper limit of $2.6\cdot10^{−11} \mu_B$.
