Assignment of a 2.1s SF activity to {sup 262}Rf

Conference · Fri Dec 01 00:00:00 EST 1995

OSTI ID:126683

Lane, M R; Gregorich, K E; Lee, D M ^[1]

---

1. Lawrence Berkeley Lab., CA (United States); and others

We have produced the isotope {sup 262}Rf via the {sup 244}Pu({sup 22}Ne,4n) reaction and measured its spontaneous fission properties and partial excitation function. Our work supports assignment of this SF activity to decay of {sup 262}Rf. We measured 200 coincident spontaneous fission fragments and determined the half-life to be 2.1{plus_minus}0.2s. The kinetic energy and mass-yield distributions were determined and the mass-yield distribution is predominately symmetric with a FWHM of 19.6 mass units. This may be the same as the 1.2{sup +1.0}{sub -0.5}s spontaneous fission activity reported by Lougheed et al. as the alpha-decay daughter of {sup 266}Sg.

• OSTI ID: 126683
• Report Number(s): CONF-950402--
• Resource Type: Conference proceedings
• Conference Information: 209. American Chemical Society (ACS) national meeting, Anaheim, CA (United States), 2-6 Apr 1995; Is Part Of 209th ACS national meeting; PB: 2088 p.
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
ALPHA DECAY
ELEMENT 104
EXCITATION
MASS
NEON 22 REACTIONS
NUCLEAR FRAGMENTS
PLUTONIUM 244
SPONTANEOUS FISSION