Evaluation of ⁹⁹Mo and ^99𝑚Tc Productions Based on a High-Performance Cyclotron

Table 1

Niobium and technetium isotopes expected to be produced by the 100Mo(p, x) reactions.

Reaction	Product	Decay	𝑡1/2	Daughter
p, 𝛼2n	^95Nb	𝛽^−	34.99 d	^95Mo (stable)
p, 𝛼n	^96Nb	𝛽^−	23.35 h	^96Mo (stable)
p, 𝛼	^97Nb	𝛽^−	72.1 m	^97Mo (stable)
p, 2pn	^98Nb	𝛽^−	2.9 s	^98Mo (stable)
p, 2p	^99Nb	𝛽^−	15 s	^99Mo
	99𝑚Nb	𝛽^−	2.6 m	^99Mo (96.2%)
		IT		99𝑔Nb (3.8%)
p, 6n	95𝑚Tc	EC	61 d	^95Mo (96.1%) (stable)
		IT		95𝑔Tc (3.9%)
	95𝑔Tc	EC	20 h	^95Mo (stable)
p, 5n	96𝑚Tc	EC	51.5 m	^96Mo (2.0%) (stable)
		IT		96𝑔Tc (98.0%)
	96𝑔Tc	EC	4.28 d	^96Mo (stable)
p, 4n	97𝑔Tc	EC	4.2⋅10^6 y	^97Mo (stable)
	97𝑚Tc	IT	91 d	97𝑔Tc (96.1%)
		EC		^97Mo (3.9%) (stable)
p, 3n	^98Tc	𝛽^−	4.2⋅10^6 y	^98Ru (stable)
p, 2n	99𝑚Tc	IT	6.01 h	99𝑔Tc (99.9963%)
		𝛽^−		^99Ru (0.0037%) (stable)
	99𝑔Tc	𝛽^−	2.1⋅10^5 y	^99Ru (stable)
p, n	^100Tc	𝛽^−	15.46 s	^100Ru (99.9982%) (stable)
		EC		^100Mo (0.0018%) (stable)