[en] Measurements of the nuclear reaction ⁶Li(p,γ) ⁷Be have been carried out at the 5.5 MV Van de Graaff Tandem accelerator of NCSR 'Demokritos'. The detection system consists of ¹⁰NaI(Tl) detectors operating as a summing crystal, covering nearly 4π geometry with absolute efficiency (≅54%). (author)