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Journal Articles

First online operation of TRIGA-TRAP

Grund, J.*; Asai, Masato; Blaum, K.*; Block, M.*; Chenmarev, S.*; D$"u$llmann, Ch. E.*; Eberhardt, K.*; Lohse, S.*; Nagame, Yuichiro*; Nagy, Sz.*; et al.

Nuclear Instruments and Methods in Physics Research A, 972, p.164013_1 - 164013_8, 2020/08

https://doi.org/10.1016/j.nima.2020.164013
 Times Cited Count：6 Percentile：60.71(Instruments & Instrumentation)

We report on the successful coupling of the Penning-trap mass spectrometry setup TRIGA-TRAP to the research reactor TRIGA Mainz. This offers the possibility to perform direct high-precision mass measurements of short-lived nuclei produced in neutron-induced fission of a $$^{235}$$U target located near the reactor core. An aerosol-based gas-jet system is used for efficient transport of short-lived neutron-rich nuclei from the target chamber to a surface ion source. In conjunction with new ion optics and extended beam monitoring capabilities, the experimental setup has been fully commissioned. The design of the surface ion source, efficiency studies and first results are presented.

Journal Articles

In-source laser spectroscopy of dysprosium isotopes at the ISOLDE-RILIS

Chrysalidis, K.*; Barzakh, A. E.*; Ahmed, R.*; Andreyev, A. N.; Ballof, J.*; Cubiss, J. G.*; Fedorov, D. V.*; Fedosseev, V. N.*; Fraile, L. M.*; Harding, R. D.*; et al.

Nuclear Instruments and Methods in Physics Research B, 463, p.472 - 475, 2020/01

https://doi.org/10.1016/j.nimb.2019.04.021
 Times Cited Count：3 Percentile：36.4(Instruments & Instrumentation)

A number of radiogenically produced dysprosium isotopes have been studied by in-source laser spectroscopy at ISOLDE using the Resonance Ionization Laser Ion Source (RILIS). Isotope shifts were measured relative to $$^{152}$$Dy in the $$4f^{10}6s^{2}~^{5}I_{8}$$ (gs) $$rightarrow$$ $$4f^{10}6s6p~(8,1)^{0}_{8}$$ (418.8 nm $$_{rm VAC}$$)resonance transition. The electronic factor, $$F$$, and mass shift factor, M, were extracted and used for determining the changes in mean-squared charge radii for $$^{rm 145m}$$Dy and $$^{rm 147m}$$Dy for the first time.

Journal Articles

Inverse odd-even staggering in nuclear charge radii and possible octupole collectivity in $$^{217,218,219}$$At revealed by in-source laser spectroscopy

Barzakh, A. E.*; Cubiss, J. G.*; Andreyev, A. N.; Seliverstov, M. D.*; Andel, B.*; Antalic, S.*; Ascher, P.*; Atanasov, D.*; Beck, D.*; Biero$'n$, J.*; et al.

Physical Review C, 99(5), p.054317_1 - 054317_9, 2019/05

https://doi.org/10.1103/PhysRevC.99.054317
 Times Cited Count：12 Percentile：77.09(Physics, Nuclear)

Journal Articles

Observation of a $$gamma$$-decaying millisecond isomeric state in $$^{128}$$Cd$$_{80}$$

Jungclaus, A.*; Grawe, H.*; Nishimura, Shunji*; Doornenbal, P.*; Lorusso, G.*; Simpson, G. S.*; S$"o$derstr$"o$m, P.-A.*; Sumikama, Toshiyuki*; Taprogge, J.*; Xu, Z. Y.*; et al.

Physics Letters B, 772, p.483 - 488, 2017/09

https://doi.org/10.1016/j.physletb.2017.07.006
 Times Cited Count：8 Percentile：55.37(Astronomy & Astrophysics)

Journal Articles

$$beta$$ decay of semi-magic $$^{130}$$Cd; Revision and extension of the level scheme of $$^{130}$$In

Jungclaus, A.*; Grawe, H.*; Nishimura, Shunji*; Doornenbal, P.*; Lorusso, G.*; Simpson, G. S.*; S$"o$derstr$"o$m, P. A.*; Sumikama, Toshiyuki*; Taprogge, J.*; Xu, Z. Y.*; et al.

Physical Review C, 94(2), p.024303_1 - 024303_8, 2016/08

https://doi.org/10.1103/PhysRevC.94.024303
 Times Cited Count：18 Percentile：77.39(Physics, Nuclear)

Journal Articles

First observation of $$gamma$$ rays emitted from excited states south-east of $$^{132}$$Sn; The $$pi$$ g$$_{9/2}^{-1}$$ $$ otimes$$ $$nu f_{7/2}$$ multiplet of $$^{132}$$In$$_{83}$$

Jungclaus, A.*; Gargano, A.*; Grawe, H.*; Taprogge, J.*; Nishimura, Shunji*; Doornenbal, P.*; Lorusso, G.*; Shimizu, Y.*; Simpson, G. S.*; S$"o$derstr$"o$m, P.-A.*; et al.

Physical Review C, 93(4), p.041301_1 - 041301_6, 2016/04

https://doi.org/10.1103/PhysRevC.93.041301
 Times Cited Count：18 Percentile：77.39(Physics, Nuclear)

Journal Articles

$$beta$$ decay of $$^{129}$$Cd and excited states in $$^{129}$$In

Taprogge, J.*; Jungclaus, A.*; Grawe, H.*; Nishimura, Shunji*; Doornenbal, P.*; Lorusso, G.*; Simpson, G. S.*; S$"o$derstr$"o$m, P.-A.*; Sumikama, Toshiyuki*; Xu, Z. Y.*; et al.

Physical Review C, 91(5), p.054324_1 - 054324_11, 2015/05

https://doi.org/10.1103/PhysRevC.91.054324
 Times Cited Count：24 Percentile：82.61(Physics, Nuclear)

Journal Articles

$$beta$$-decay half-lives of 110 neutron-rich nuclei across the $$N$$=82 shell gap; Implications for the mechanism and universality of the astrophysical $$r$$ process

Lorusso, G.*; Nishimura, Shunji*; Xu, Z. Y.*; Jungclaus, A.*; Shimizu, Y.*; Simpson, G. S.*; S$"o$derstr$"o$m, P.-A.*; Watanabe, H.*; Browne, F.*; Doornenbal, P.*; et al.

Physical Review Letters, 114(19), p.192501_1 - 192501_7, 2015/05

https://doi.org/10.1103/PhysRevLett.114.192501
 Times Cited Count：164 Percentile：97.96(Physics, Multidisciplinary)

Journal Articles

In-source laser spectroscopy with the laser ion source and trap; First direct study of the ground-state properties of $$^{217,219}$$Po

Fink, D. A.*; Cocolios, T. E.*; Andreyev, A. N.; Antalic, S.*; Barzakh, A. E.*; Bastin, B.*; Fedorov, D. V.*; Fedosseev, V. N.*; Flanagan, K. T.*; Ghys, L.*; et al.

Physical Review X, 5(1), p.011018_1 - 011018_15, 2015/01

https://doi.org/10.1103/PhysRevX.5.011018
 Times Cited Count：26 Percentile：78.62(Physics, Multidisciplinary)

Journal Articles

Identification of a millisecond isomeric state in $$^{129}$$Cd$$_{81}$$ via the detection of internal conversion and Compton electrons

Taprogge, J.*; Jungclaus, A.*; Grawe, H.*; Nishimura, Shunji*; Xu, Z. Y.*; Doornenbal, P.*; Lorusso, G.*; N$'a$cher, E.*; Simpson, G. S.*; S$"o$derstr$"o$m, P.-A.*; et al.

Physics Letters B, 738, p.223 - 227, 2014/11

https://doi.org/10.1016/j.physletb.2014.09.047
 Times Cited Count：23 Percentile：80.23(Astronomy & Astrophysics)

Journal Articles

Yrast 6$$^+$$ seniority isomers of $$^{136,138}$$Sn

Simpson, G. S.*; Gey, G.*; Jungclaus, A.*; Taprogge, J.*; Nishimura, Shunji*; Sieja, K.*; Doornenbal, P.*; Lorusso, G.*; S$"o$derstr$"o$m, P.-A.*; Sumikama, Toshiyuki*; et al.

Physical Review Letters, 113(13), p.132502_1 - 132502_6, 2014/09

https://doi.org/10.1103/PhysRevLett.113.132502
 Times Cited Count：68 Percentile：91.93(Physics, Multidisciplinary)

Journal Articles

Monopole-driven shell evolution below the doubly magic nucleus $$^{132}$$Sn explored with the long-lived isomer in $$^{126}$$Pd

Watanabe, H.*; Lorusso, G.*; Nishimura, Shunji*; Otsuka, T.*; Ogawa, K.*; Xu, Z. Y.*; Sumikama, Toshiyuki*; S$"o$derstr$"o$m, P.-A.*; Doornenbal, P.*; Li, Z.*; et al.

Physical Review Letters, 113(4), p.042502_1 - 042502_6, 2014/07

https://doi.org/10.1103/PhysRevLett.113.042502
 Times Cited Count：24 Percentile：76.91(Physics, Multidisciplinary)

Journal Articles

$$1p_{3/2}$$ proton-hole state in $$^{132}$$Sn and the shell structure along $$N$$=82

Taprogge, J.*; Jungclaus, A.*; Grawe, H.*; Nishimura, Shunji*; Doornenbal, P.*; Lorusso, G.*; Simpson, G.*; S$"o$derstr$"o$m, P.-A.*; Sumikama, Toshiyuki*; Xu, Z. Y.*; et al.

Physical Review Letters, 112(13), p.132501_1 - 132501_6, 2014/04

https://doi.org/10.1103/PhysRevLett.112.132501
 Times Cited Count：51 Percentile：88.81(Physics, Multidisciplinary)

Journal Articles

Measurement of the first ionization potential of astatine by laser ionization spectroscopy

Rothe, S.*; Andreyev, A. N.*; Antalic, S.*; Borschevsky, A.*; Capponi, L.*; Cocolios, T. E.*; De Witte, H.*; Eliav, E.*; Fedorov, D. V.*; Fedosseev, V. N.*; et al.

Nature Communications (Internet), 4, p.1835_1 - 1835_6, 2013/05

https://doi.org/10.1038/ncomms2819
 Times Cited Count：83 Percentile：94.59(Multidisciplinary Sciences)

Journal Articles

Development of frequency stabilized diode laser based on a spectroscopic study on magnetically induced circular dichroism of atomic rubidium

Miyabe, Masabumi; Kato, Masaaki; Oba, Masaki; Wakaida, Ikuo; Watanabe, Kazuo; Wendt, K.*

Japanese Journal of Applied Physics, Part 1, 45(5A), p.4120 - 4122, 2006/05

https://doi.org/10.1143/JJAP.45.4120
 Times Cited Count：2 Percentile：8.72(Physics, Applied)

We developed a frequency-stabilized diode laser using magnetically induced circular dichroism. From a spectroscopic study on Rb-${it D}$ $$_{2}$$ line, the most stable Doppler-broadened and Doppler-free lines were determined to be the transition from ${it F}$g=2 ground state of $$^{85}$$Rb and the crossover resonance from ${it F}$g=3 ground state to ${it F}$e=3 and 4 excited states of $$^{85}$$Rb respectively. Furthermore, we measured the fluctuation of the laser locked to the Doppler-free line to be $$pm$$50kHz/8hour and thus revealed the applicability to a several-hours stabilization. The developed laser can be used as a reference laser for frequency stabilization system for multiple tunable lasers for RIMS analysis.

Journal Articles

Determination of ionization potential of calcium by high-resolution resonance ionization spectroscopy

Miyabe, Masabumi; Geppert, C.*; Kato, Masaaki; Oba, Masaki; Wakaida, Ikuo; Watanabe, Kazuo; Wendt, K. D. A.*

Journal of the Physical Society of Japan, 75(3), p.034302_1 - 034302_10, 2006/03

https://doi.org/10.1143/JPSJ.75.034302
 Times Cited Count：18 Percentile：65.97(Physics, Multidisciplinary)

High-resolution resonance ionization spectroscopy has been utilized to determine a precise ionization potential of Ca. Three-step resonance excitation with single-mode extended cavity diode lasers populates long and unperturbed Rydberg series of 4snp (1P1) and 4snf (1F3) states in the rage of n=20-150. By using an extended Ritz formula for quantum defect, the series convergence limit has been determined to be 49305.9240 (20) cm$$^{-1}$$ with the accuracy improved one order of magnitude higher than previously reported ones.

Journal Articles

Total angular momenta of even-parity autoionizing levels and odd-parity high-lying levels of atomic uranium

Miyabe, Masabumi; Geppert, C.*; Oba, Masaki; Wakaida, Ikuo; Wendt, K.*

Journal of Physics B; Atomic, Molecular and Optical Physics, 35(18), p.3865 - 3877, 2002/09

https://doi.org/10.1088/0953-4075/35/18/306
 Times Cited Count：12 Percentile：50.16(Optics)

no abstracts in English

Oral presentation

Development of trace analysis of $$^{rm 93m}$$Nb by resonance ionization mass spectrometry in gas jet toward neutron dosimetry, 1; Resonance ionization mass spectroscopy on Nb by Ti:Sapphire laser

Sakamoto, Chika*; Takatsuka, Takaaki*; Sonnenchein, V.*; Tomita, Hideki*; Sonoda, Tetsu*; Mita, Koki*; Noto, Takuma*; Adachi, Yoshitaka*; Ito, Chikara; Maeda, Shigetaka; et al.

no journal, , 

no abstracts in English

18 (Records 1-18 displayed on this page)
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