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Purpose: Accurate new measurements of low-energy deuteron-induced reactioncross sections for natural Cr target can enhance the related database and theopportunity for an unitary and consistent account of the involved reactionmechanisms. Methods: The activation cross sections of $^{51,52,54}$Mn,$^{51}$Cr, and $^{48}$V nuclei for deuterons incident on natural Cr at energiesup to 20 MeV, were measured by the stacked-foil technique and high resolutiongamma spectrometry using U-120M cyclotron of the Center of Accelerators andNuclear Analytical Methods (CANAM) of the Nuclear Physics Institute of theCzech Academy of Sciences (NPI CAS). They as well as formerly available datafor deuteron interactions with Cr isotopes up to 60 MeV are the object of anextended analysis of all processes from elastic scattering until theevaporation from fully equilibrated compound system, but with a particularattention given to the BU and DR mechanisms. Results: The new measuredactivation excitation functions proved essential for the enrichment of thedeuteron database, while the theoretical analysis of all available datastrengthens for the first time their consistent account provided that (i) asuitable BU and DR assessment is completed by (ii) the assumption of PE and CNcontributions corrected for decrease of the total-reaction cross section due tothe leakage of the initial deuteron flux towards BU and DR processes.Conclusions: The suitable description of nuclear mechanisms involved withindeuteron-induced reactions on chromium, taking into account especially the BUand DR direct processes, is validated by an overall agreement of the calculatedand measured cross sections including particularly the new experimental data atlow energies.

Consistent account of deuteron-induced reactions on Cr up to 60 MeV