2010Oh02: ¹²⁰Ru nuclide produced and identified in Be(²³⁸U,F) and Pb(²³⁸U,F) reactions with a ²³⁸U⁸⁶⁺ beam energy of 345 MeV/nucleon produced by the cascade operation of the RBIF accelerator complex of the linear accelerator RILAC and four cyclotrons RRC, fRC, IRC and SRC. Identification of ¹²⁰Ru nuclei was made on the basis of magnetic rigidity, time-of-flight and energy loss of the fragments using BigRIPS fragment separator. Experiments performed at RIKEN facility. Based on α/Q spectrum and Z versus α/Q plot, confirmed assignment to ¹²⁰Ru isotope can be made for the first time. (Q=charge state)

2015Lo04: ¹²⁰Ru nuclide produced at RIBF-RIKEN facility in ⁹Be(²³⁸U,F) reaction at E=345 MeV/nucleon with an average intensity of 6×10¹⁰ ions/s. Identification of ¹²⁰Ru was made by determining atomic Z and mass-to-charge ratio α/Q, where Q=charge state of the ions. The selectivity of ions was based on magnetic rigidity, time-of-flight and energy loss. The separated nuclei were implanted at a rate of 50 ions/s in a stack of eight double-sided silicon-strip detector (WAS3ABi), surrounded by EURICA array of 84 HPGe detectors. Correlations were recorded between the implanted ions and β rays. The half-life of ¹²⁰Ru isotope was measured from the correlated ion-β decay curves and maximum likelihood analysis technique as described in 2014Xu07. Comparison of measured half-lives with FRDM+QRPA, KTUY+GT2 and DF3⁺CQRPA theoretical calculations

1995CzZZ (short conference paper): possible identification of ¹²⁰Ru in ⁹Be(²³⁸U,f) at 750 MeV/nucleon at GSI facility. But in subsequent published works (1997Be70,1998Do08) by the same group, there was no mention of the formation or identification of the ¹²⁰Ru isotope; the heaviest Ru isotope identified was ¹¹⁹Ru in 1997Be70 and ¹¹⁷Ru in 1998Do08 (where a Pb target was used instead of Be). In 1995CzZZ, there was no detailed discussion about the formation of new isotopes, ¹²⁰Ru was simply shown in the chart of nuclides figure 2 in their paper. In the absence of sufficient confirmatory evidence from the same experimental group (1994Be24,1995CzZZ,1997Be70,1998Do08), the identification of ¹²⁰Ru remained uncertain until the work by 2010Oh02, where Fig. 2b clearly shows a prominent peak assigned to ¹²⁰Ru isotope moments

1980Va15: calculated levels, B(E2), magnetic dipole and electric quadrupole moments, S(2n), rms radius

Q-value: Estimated uncertainties (2017Wa10): 450 for Q(β^-), 500 for S(n), 640 for S(p) and Q(α)

Q-value: S(2n)=8900 450, S(2p)=31960 640, Q(β^-n)=4740 400 (syst,2017Wa10)