List of levels for 121LA

ADOPTED LEVELS, GAMMAS for ¹²¹La

Author: S. Ohya | Citation: Nucl. Data Sheets 111, 1619 (2010) | Cutoff date: 20-Jan-2009

Full ENSDF file | Adopted Levels (PDF version)

Q(β-)=-9.5×10³ keV SY	S(n)= 1.27×10⁴ keV SY	S(p)= 7.E2 keV SY	Q(α)= 1.8×10³ keV SY
Reference: 2012WA38

References:
A	⁹²Mo(³²S,2npγ)

Identification: ⁹²Mo(³²S,p2n), E=150 MeV, on-line mass separation, parent of ¹²¹Ba, grandparent of ¹²¹Cs

Q-value: Note: Current evaluation has used the following Q record -9697 SY12785 syst 801 syst 1667 syst 2009AuZZ

Q-value: ΔQ(β^-)=711, ΔS(n)=711, ΔS(p)=586, ΔQ(α)=507 (syst,2009AuZZ)

Q-value: Q(εp)=4199 503 (syst,2009AuZZ)

E(level) (keV)	XREF	J^π(level)	T_1/2(level)	E(γ) (keV)	Final Levels
0.0	A		5.3 s 2 % ε = 100
X	A	(11/2-)
251.0+X 10	A	(15/2-)		251	X	(11/2-)
668.0+X 15	A	(19/2-)		417	251.0+X	(15/2-)
1229.0+X 18	A	(23/2-)		561	668.0+X	(19/2-)
1912.0+X 20	A	(27/2-)		683	1229.0+X	(23/2-)
2695.0+X 23	A	(31/2-)		783	1912.0+X	(27/2-)
3562.0+X 25	A	(35/2-)		867	2695.0+X	(31/2-)
4504+X 3	A	(39/2-)		942	3562.0+X	(35/2-)
5515+X 3	A	(43/2-)		1011	4504+X	(39/2-)
6588+X?	A	(47/2-)		1073?	5515+X	(43/2-)
7718+X?	A	(51/2-)		1130?	6588+X	(47/2-)
Y	A	(9/2+)
204.0+Y 8	A	(11/2+)		204	Y	(9/2+)
438.0+Y 8	A	(13/2+)		234 438	204.0+Y Y	(11/2+) (9/2+)
701.0+Y 10	A	(15/2+)		263 497	438.0+Y 204.0+Y	(13/2+) (11/2+)
990.0+Y 11	A	(17/2+)		289 552	701.0+Y 438.0+Y	(15/2+) (13/2+)
1304.0+Y 12	A	(19/2+)		314 603	990.0+Y 701.0+Y	(17/2+) (15/2+)
1640.0+Y 13	A	(21/2+)		336 650	1304.0+Y 990.0+Y	(19/2+) (17/2+)
1996.0+Y 13	A	(23/2+)		356 692	1640.0+Y 1304.0+Y	(21/2+) (19/2+)
2371.0+Y 14	A	(25/2+)		375 731	1996.0+Y 1640.0+Y	(23/2+) (21/2+)
2757.0+Y 15	A	(27/2+)		386 761	2371.0+Y 1996.0+Y	(25/2+) (23/2+)

E(level): E(levels) are based on a least-squares fit to E(γ’s) assuming ΔE=1keV

E(γ): From ⁹²Mo(³²S,2npγ), no Iγ data are given

E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	Final Levels
Band 1 - DECOUPLED ROTATIONAL band 1/2-[550]
X	(11/2-)
251.0+X 10	(15/2-)
668.0+X 15	(19/2-)		417	251.0+X	(15/2-)
1229.0+X 18	(23/2-)		561	668.0+X	(19/2-)
1912.0+X 20	(27/2-)		683	1229.0+X	(23/2-)
2695.0+X 23	(31/2-)		783	1912.0+X	(27/2-)
3562.0+X 25	(35/2-)		867	2695.0+X	(31/2-)
4504+X 3	(39/2-)		942	3562.0+X	(35/2-)
5515+X 3	(43/2-)		1011	4504+X	(39/2-)
6588+X	(47/2-)		1073?	5515+X	(43/2-)
7718+X?	(51/2-)		1130?	6588+X	(47/2-)
E(level) (keV)	J^π(level)	T_1/2(level)	E(γ)	Final Levels
Band 2 - DECOUPLED ROTATIONAL band 9/2⁺[404]
Y	(9/2+)
204.0+Y 8	(11/2+)
438.0+Y 8	(13/2+)		234 438	204.0+Y Y	(11/2+) (9/2+)
701.0+Y 10	(15/2+)		263 497	438.0+Y 204.0+Y	(13/2+) (11/2+)
990.0+Y 11	(17/2+)		289 552	701.0+Y 438.0+Y	(15/2+) (13/2+)
1304.0+Y 12	(19/2+)		314 603	990.0+Y 701.0+Y	(17/2+) (15/2+)
1640.0+Y 13	(21/2+)		336 650	1304.0+Y 990.0+Y	(19/2+) (17/2+)
1996.0+Y 13	(23/2+)		356 692	1640.0+Y 1304.0+Y	(21/2+) (19/2+)
2371.0+Y 14	(25/2+)		375 731	1996.0+Y 1640.0+Y	(23/2+) (21/2+)
2757.0+Y 15	(27/2+)		386 761	2371.0+Y 1996.0+Y	(25/2+) (23/2+)

E(level)	J^π(level)	T_1/2(level)	Comments
X	(11/2-)		E(level): DECOUPLED ROTATIONAL band 1/2-[550]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
251.0+X	(15/2-)		E(level): DECOUPLED ROTATIONAL band 1/2-[550]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
668.0+X	(19/2-)		E(level): DECOUPLED ROTATIONAL band 1/2-[550]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
1229.0+X	(23/2-)		E(level): DECOUPLED ROTATIONAL band 1/2-[550]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
1912.0+X	(27/2-)		E(level): DECOUPLED ROTATIONAL band 1/2-[550]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
2695.0+X	(31/2-)		E(level): DECOUPLED ROTATIONAL band 1/2-[550]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
3562.0+X	(35/2-)		E(level): DECOUPLED ROTATIONAL band 1/2-[550]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
4504+X	(39/2-)		E(level): DECOUPLED ROTATIONAL band 1/2-[550]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
5515+X	(43/2-)		E(level): DECOUPLED ROTATIONAL band 1/2-[550]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
6588+X	(47/2-)		E(level): DECOUPLED ROTATIONAL band 1/2-[550]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
7718+X	(51/2-)		E(level): DECOUPLED ROTATIONAL band 1/2-[550]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming decoupled band based on 1/2-[550] Nilsson state starting from Jπ=11/2-.
Y	(9/2+)		E(level): DECOUPLED ROTATIONAL band 9/2⁺[404]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2⁺[404] Nilsson orbital.
204.0+Y	(11/2+)		E(level): DECOUPLED ROTATIONAL band 9/2⁺[404]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2⁺[404] Nilsson orbital.
438.0+Y	(13/2+)		E(level): DECOUPLED ROTATIONAL band 9/2⁺[404]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2⁺[404] Nilsson orbital.
701.0+Y	(15/2+)		E(level): DECOUPLED ROTATIONAL band 9/2⁺[404]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2⁺[404] Nilsson orbital.
990.0+Y	(17/2+)		E(level): DECOUPLED ROTATIONAL band 9/2⁺[404]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2⁺[404] Nilsson orbital.
1304.0+Y	(19/2+)		E(level): DECOUPLED ROTATIONAL band 9/2⁺[404]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2⁺[404] Nilsson orbital.
1640.0+Y	(21/2+)		E(level): DECOUPLED ROTATIONAL band 9/2⁺[404]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2⁺[404] Nilsson orbital.
1996.0+Y	(23/2+)		E(level): DECOUPLED ROTATIONAL band 9/2⁺[404]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2⁺[404] Nilsson orbital.
2371.0+Y	(25/2+)		E(level): DECOUPLED ROTATIONAL band 9/2⁺[404]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2⁺[404] Nilsson orbital.
2757.0+Y	(27/2+)		E(level): DECOUPLED ROTATIONAL band 9/2⁺[404]. J^π(level): Monotonically increasing J sequence is suggested by cascade of coincident γ’s forming rotational band based on 9/2⁺[404] Nilsson orbital.