Ruthenium-93m2

Properties and data of the isotope ^93m2Ru.

Content

General data

Name of the isotope:Ruthenium-93m2; Ru-93m2Symbol:^93m2Ru or 93m244RuMass number A:93 (= number of nucleons)Atomic number Z:44 (= number of protons)Neutrons N:49Isotopic mass:92.9171044(22) u (atomic weight of Ruthenium-93m2)
Excitation energy: 2085.5(9) keVNuclide mass:92.8929681 u (calculated nuclear mass without electrons)Mass excess:-77.21675 MeVMass defect:0.851777892 u (per nucleus)Nuclear binding energy:793.42599573 MeV (per nucleus)
8.53146232 MeV (average binding energy per nucleon)Half-life:2.49(15) μsDecay constant λ:278372.36167066 s^-1Specific activity α:1.822171275536 × 10⁺²⁷ Bq g^-1
4.924787231180 × 10⁺¹⁶ Ci g^-1Spin and parity:
(nuclear angular momentum)(21/2)+Magnetic dipole moment:μ(μ_N) = +8.970(21)Quadrupole moment Q:0.04(1) barn (100 fm²)Nuclear g-factor:g_l = 0.85428571428571

Nuclear Isomers

Nuclear isomers or excited states with the activation energy in keV related to the ground state.

Nuclear Isomer	Excitation Energy	Half-life	Spin
⁹³Ru		59.7(6) s	(9/2)+
^93m1Ru	734.40(10) keV	10.8(3) s	(1/2)-

Isotones and Isobars

The following table shows the atomic nuclei that are isotonic (same neutron number N = 49) and isobaric (same nucleon number A = 93) with Ruthenium-93m2. Naturally occurring isotopes are marked in green; light green = naturally occurring radionuclides.

Z	Isotone N = 49	Isobar A = 93
27	⁷⁶Co
28	⁷⁷Ni
29	⁷⁸Cu
30	⁷⁹Zn
31	⁸⁰Ga
32	⁸¹Ge
33	⁸²As
34	⁸³Se	⁹³Se
35	⁸⁴Br	⁹³Br
36	⁸⁵Kr	⁹³Kr
37	⁸⁶Rb	⁹³Rb
38	⁸⁷Sr	⁹³Sr
39	⁸⁸Y	⁹³Y
40	⁸⁹Zr	⁹³Zr
41	⁹⁰Nb	⁹³Nb
42	⁹¹Mo	⁹³Mo
43	⁹²Tc	⁹³Tc
44	⁹³Ru	⁹³Ru
45	⁹⁴Rh	⁹³Rh
46	⁹⁵Pd	⁹³Pd
47	⁹⁶Ag	⁹³Ag
48	⁹⁷Cd
49	⁹⁸In
50	⁹⁹Sn