Y$sup 89$$($$gamma$,n)Y$sup 88$ THRESHOLD AND THE Zr$sup 90$-Sr$sup 88$ MASS DIFFERENCE
Journal Article
·
· Nuclear Physics (Netherlands) Divided into Nucl. Phys. A and Nucl. Phys. B
The Y/sup 89/( gamma ,n) thresholds to both the ground and first excited state of Y/sup 88/ are observed. The excited state threshold when combined with the known excitation energy of Y/sup 88/ leads to a ground state threshold energy of 11.54 plus or minus 0.04 Mev. This result when coupled with other reaction energies leads to a value of 1.999682 amu for the Zr/sup 90/-Sr/sup 88/ mass difference. This value disagrees with the mass spectroscopic determination of the Zr/sup 90/- Sr/sup 88/ mass difference by 200 mu mu. A value is also given for the Zr/sup 90/( gamma ,n)Zr/sup 89/ threshold (11.94 plus or minus 0.05 Mev). (auth)
- Research Organization:
- Univ. of Pennsylvania, Philadelphia
- NSA Number:
- NSA-17-017158
- OSTI ID:
- 4721749
- Journal Information:
- Nuclear Physics (Netherlands) Divided into Nucl. Phys. A and Nucl. Phys. B, Journal Name: Nuclear Physics (Netherlands) Divided into Nucl. Phys. A and Nucl. Phys. B Vol. Vol: 40; ISSN NUPHA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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