54CaCalcium 
Z:   ≪   ≫
Z = 20N = 34 
N:   ≪   ≫

Setting ID1 Yield 2
[pps/pnA] 		Measurement
date 		Beam Target Brho01
[Tm] 		F1 slit
L [mm]		 F1 slit
R [mm]		 Data from
1093.86e-22014-05-1970Zn 345MeVBe 10mm7.349064.264.2 ---
1398.06e-22012-07-1270Zn 345MeVBe 10mm6.837164.264.2 ---
1401.08e-12012-07-1170Zn 345MeVBe 10mm7.010064.264.2 ---
1416.74e-22012-07-0970Zn 345MeVBe 10mm6.906010.070.0 ---
2514.73e-32008-11-08238U 345MeVBe 5mm7.901064.264.2 ---
2525.75e-22007-05-28238U 345MeVBe 7mm7.250021.021.0J. Phys. Soc. Jpn. 77, 083201 (2008)
2539.68e-22007-05-26238U 345MeVBe 7mm7.634042.042.0J. Phys. Soc. Jpn. 77, 083201 (2008)
2542.58e-22007-05-23238U 345MeVBe 7mm7.396021.021.0J. Phys. Soc. Jpn. 77, 083201 (2008)



Publication
Title Journal First Author
Spectroscopy of deeply bound orbitals in neutron-rich Ca isotopesPhys. Lett. B 855, 138828 (2024)P. J. Li
N = 32 shell closure below calcium: Low-lying structure of 50ArPhys. Rev. C 102, 064320 (2020)M. L. Cortés
Restoration of the natural E(1/2+1) - E(3/2+1) energy splitting in odd-K isotopes towards N = 40Phys. Lett. B 802, 135215 (2020)Y. L. Sun
Quasifree Neutron Knockout from 54Ca Corroborates Arising N = 34 Neutron Magic NumberPhys. Rev. Lett. 123, 142501 (2019)S. Chen
Low-Lying Structure of 50Ar and the N = 32 Subshell ClosurePhys. Rev. Lett. 114, 252501 (2015)D. Steppenbeck

Experiment
Proposal No. Spokesperson Start-Date End-Date Beam Course
NP1812-RIBF152R1-02R. Kanungo2024-05-122024-05-2070Zn 345 MeV/u ZeroDegree
NP1912-RIBF170R1H. Crawford2020-12-072020-12-1170Zn 345 MeV/u ZeroDegree
NP1406-RIBF44R1-02O. Tarasov2017-04-282017-05-0670Zn 345 MeV/u BigRIPS
NP1106-RIBF73D. Steppenbeck2012-07-102012-07-1370Zn 345 MeV/u ZeroDegree

 Annotations:
1 Detailed BigRIPS setting is shown in the linked page.
2 The list of primary beam intensities is given in this page.
3 Error is only statistical one. Systematic error is estimated within 30%, which comes from uncertainly of primary beam intensity.

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