activity
20092022
most citedFirst direct mass measurements of nuclides around with a Multireflection Time-of-Flight Mass Spectrograph

73 citations · 354 across the 13 of their papers we have counts for

collaborators

13 papers

physics.ins-det2022★ 1 cited

Design report of the KISS-II facility for exploring the origin of uranium

Takamichi Aoki, Yoshikazu Hirayama, Hironobu Ishiyama +14

One of the critical longstanding issues in nuclear physics is the origin of the heavy elements such as platinum and uranium. The r-process hypothesis is generally supported as the…

nucl-ex2020★ 23 cited

Properties of 187Ta revealed through isomeric decay

P. M. Walker, Y. Hirayama, G. J. Lane +20

Mass-separated 187Ta in a high-spin isomeric state has been produced for the first time by multi-nucleon transfer reactions, employing an argon gas stopping cell and laser ionisati…

physics.ins-det2020★ 2 cited

Reduction of contaminants originating from primary beam by improving the beam stoppers in GARIS-II

Sota Kimura, Daiya Kaji, Yuta Ito +4

Two independent beam stoppers have been developed for improving the beam separation of the gas-filled recoil ion separator GARIS-II. Performance evaluation of these supplemental be…

physics.ins-det2019★ 15 cited

Development of an "-ToF" detector for correlated measurement of atomic masses and decay properties

T. Niwase, M. Wada, P. Schury +12

We have developed a novel detector, referred to as an "-ToF detector", for correlated measurements of atomic masses and decay properties of low-yield, short-lived radioactive is…

physics.ins-det2018★ 32 cited

Improving wide-band mass measurements in a multi-reflection time-of-flight mass spectrograph by usage of a concomitant measurement scheme

P. Schury, Y. Ito, M. Rosenbusch +3

We introduce a new concomitant referencing mode for operating a multi-reflection time-of-flight mass spectrograph (MRTOF-MS), wherein the reference and analyte ions are interleaved…

nucl-ex2018★ 31 cited

New mass anchor points for neutron-deficient heavy nuclei from direct mass measurements of radium and actinium isotopes

M. Rosenbusch, Y. Ito, P. Schury +17

The masses of the exotic isotopes Ac and Ra have been measured with a multi-reflection time-of-flight mass spectrograph. These isotopes were obtained in fli…

nucl-ex2017★ 73 cited

First direct mass measurements of nuclides around with a Multireflection Time-of-Flight Mass Spectrograph

Y. Ito, P. Schury, M. Wada +23

The masses of Es, Fm and the transfermium nuclei Md, and No, produced by hot- and cold-fusion reactions, in the vicinity of the deformed …

nucl-ex2017

A new measurement of electron transverse polarization in polarized nuclear beta decay

H. Kawamura, T. Akiyama, M. Hata +20

The Mott polarimetry for T -Violation (MTV) experiment tests time-reversal symmetry in polarized nuclear beta decay by measuring an electron's transverse polarization as a form of…

nucl-ex2016★ 30 cited

In-gas-cell laser spectroscopy for magnetic dipole moment of Pt toward 126

Y. Hirayama, M. Mukai, Y. X. Watanabe +10

Magnetic dipole moment and mean-square charge radius of Pt ( 5/2) have been evaluated for the first time from the investigation of the hyperfine splitting of the…

nucl-ex2015★ 56 cited

First Online Mass Measurements of Isobar Chains via Multi-Reflection Time-of-Flight Mass Spectrograph Coupled with GARIS-II

P. Schury, M. Wada, Y. Ito +16

Using a mulit-reflection time-of-flight mass spectrograph (MRTOF-MS) located after a gas cell coupled with the gas-filled recoil ion separator GARIS-II, the masses of several heavy…

nucl-ex2013★ 28 cited

Beta-delayed neutron and gamma-ray spectroscopy of 17C utilizing spin-polarized 17B

H. Ueno, H. Miyatake, Y. Yamamoto +18

Excited states in 17C were investigated through the measurement of beta?-delayed neutrons and gamma rays emitted in the ? decay of 17B. In the measurement, three negative-parity st…

physics.ins-det2012★ 25 cited

Development of a resonant laser ionization gas cell for high-energy, short-lived nuclei

T. Sonoda, M. Wada, H. Tomita +21

A new laser ion source configuration based on resonant photoionization in a gas cell has been developed at RIBF RIKEN. This system is intended for the future PArasitic RI-beam prod…

nucl-ex2009★ 38 cited

Superdeformation in Asymmetric NZ Nucleus Ar

E. Ideguchi, S. Ota, T. Morikawa +15

A rotational band with five -ray transitions ranging from 2 to 12 states was identified in Ar. This band is linked through transitions from the excited 2$…