Re: Zirconium-88

["Mike Bohan" <mike.bohan@yale.edu>]

        Reply to:   RE>Zirconium-88

Bob,

Zr-88
T1/2 = 83.4 days
Decays by Electron Capture
Gamma Energies:
14.9 keV @ 0.1820 Prob.
15.0 @ 0.3508
16.7 @ 0.0964
392.9 @ 0.9732
Produced by protons on Niobium

The following is from the Table of the Nuclides page at:

http://necs01.dne.bnl.gov/CoN/index.html

40-Zr-88


------------------------------------------------------------------------

*	Atomic Mass: 87.9102262 +- 0.0000110 amu 
*	Excess Mass: -83623.763 +- 10.234 keV 
*	Binding Energy: 762606.034 +- 10.235 keV 
*	Beta Decay Energy: B- -7200.000 +- 200.000 keV # 

------------------------------------------------------------------------

*	Spin: 0+ 
*	Half life: 83.4 D ( 0.3597 % ) 
*	Mode of decay: Electron capture to Y-88 
*	Decay energy: 0.670 MeV 

*	
Possible parent nuclides: 

Electron capture from Nb-88 




------------------------------------------------------------------------
Fission Yields
Fissile with Neutron Energy	Yields ( sum = 2 )
Direct	Accumulated
U-235 with 0.0253 eV 	2.67290E-16 	2.67290E-16 
U-235 with 1.0 MeV 	3.17316E-16 	3.17316E-16 
U-238 with 1.0 MeV 	5.97971E-19 	5.97971E-19 
Pu-239 with 0.0253 eV 	1.10036E-14 	1.10036E-14 
Pu-239 with 1.0 MeV 	5.44256E-15 	5.44256E-15 
------------------------------------------------------------------------

<><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><
Michael J. Bohan, RSO   |  e-mail: mike.bohan@yale.edu
Yale-New Haven Hospital |    Tele: (203) 785-2950
Radiological Physics    |     FAX: (203) 737-4252
20 York St. - WWW 204   |    As usual, everything I say may be plausibly
New Haven, CT    06504  |    denied at my employer's convenience ...
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--------------------------------------
Date: 22/05/97 9:31 AM
To: Mike Bohan
From: radsafe@romulus.ehs.uiuc.edu