ADOPTED LEVELS, GAMMAS for 78Y
Authors: Ameenah R. Farhan, Balraj Singh | Citation: Nucl. Data Sheets 110, 1917 (2009) | Cutoff date: 30-Jun-2009
Full ENSDF file | Adopted Levels (PDF version)
| Q(β-)=-1.12×104 keV SY | S(n)= 1.38×104 keV SY | S(p)= 2.0×103 keV SY | Q(α)= -3.0×103 keV SY | ||
| Reference: 2012WA38 |
| References: | |||
| A | 40Ca(40Ca,pnγ) | ||
| E(level) (keV) | XREF | Jπ(level) | T1/2(level) | E(γ) (keV) | Final Levels | |
| 0 | A | (0+) | 53 ms 8 % ε = 100 % εp = ? | |||
| 0+X | A | (5+) | 5.8 s 6 % ε = 100 % εp = ? | |||
| 281? | A | (2+) | 281? | 0 | (0+) | |
| 787? | A | (4+) | 506? | 281 | (2+) | |
| E(level) (keV) | Jπ(level) | T1/2(level) | E(γ) | Final Levels | |||
| Band 1 - Possible t=1 g.s. band | |||||||
| 0 | (0+) | 53 ms 8 % ε = 100 % εp = ? | |||||
| 281 | (2+) | ||||||
| 787? | (4+) | 506? | 281 | (2+) | |||
Additional Level Data and Comments:
| E(level) | Jπ(level) | T1/2(level) | Comments |
| 0 | (0+) | 53 ms 8 % ε = 100 % εp = ? | T=1 E(level): Tentative assignment based on identification as analog of 504 and 278 γ rays in 4+->2+->0+ g.s. band in 78Sr. Possible t=1 g.s. band. |
| 281 | (2+) | T=1 E(level): Tentative assignment based on identification as analog of 504 and 278 γ rays in 4+->2+->0+ g.s. band in 78Sr. Possible t=1 g.s. band. Jπ(level): Possible t=1 g.s. band member corresponding to a similar band in 78Sr. | |
| 787 | (4+) | T=1 E(level): Tentative assignment based on identification as analog of 504 and 278 γ rays in 4+->2+->0+ g.s. band in 78Sr. Possible t=1 g.s. band. Jπ(level): Possible t=1 g.s. band member corresponding to a similar band in 78Sr. |
| E(level) | E(gamma) | Comments |
| 281 | 281 | E(γ): strongest γ ray is correlated with positrons decaying with 47 ms 5 half-life (2007Na13). Tentative assignment based on identification as analog of 504 and 278 γ rays in 4+->2+->0+ g.s. band in 78Sr. |
| 787 | 506 | E(γ): Tentative assignment based on identification as analog of 504 and 278 γ rays in 4+->2+->0+ g.s. band in 78Sr. |
1992Ye04: 58Ni(92Mo,X),E=70 MeV/nucleon; measured fragment mass, charge. A1200 beam analysis device. First evidence for 78Y isotope
1998Uu01: 40Ca(40Ca,pn), E=125 MeV. Measured β+, γ, (β+)γ(t)
2001Ki13, 2002Fa13, 2007WeZX: 112Sn ions, 1 GeV/α, on Be target, fragments isotopically separated. Si stack detectors.
2001Ga24, 1998Lo17 (also 1999Lo07): 92Mo+37, 60 MeV/α on Nickel target, fragments separated by LISE3 separator. Measured β+(t), Si strip detectors.
Q-value: Note: Current evaluation has used the following Q record -10820 syst 13690 syst 2010 syst-3040 syst 2009AuZZ,2003Au03
Q-value: ΔQ(β-)=640, ΔS(n)=410, ΔS(p)=ΔQ(α)=400 (syst,2009AuZZ,2003Au03)
Q-value: Q(εp)=5010 400, s(2n)=29970 640, s(2p)=6630 400 (syst,2009AuZZ, 2003Au03)