First Direct Mass Measurement of 184Ta and Surrounding Nuclei

Jinn Ming Yap; Peter Schury; Sarah Naimi; Gemma Bartram; Alison Bruce; Navodhayan Chandrakumar; Jiulong Chen; James Cubiss; Siddharth Doshi; Sunil Dutt; Jilehu Gada; Song Guo; Yoshikazu Hirayama; George Hudson-Chang; Sota Kimura; Filip Kondev; Gregory Lane; Jenny Lee; Guangshun Li; Yury Litvinov; Zhong Liu; Pengcong Ma; Sorin Pascu; Zsolt Podolyák; Aiko Takamine; Michiharu Wada; Philip Walker; Hiroshi Watanabe; Yutaka Watanabe

doi:10.3390/atoms14080063

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First Direct Mass Measurement of 184Ta and Surrounding Nuclei

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First Direct Mass Measurement of 184Ta and Surrounding Nuclei

Jinn Ming Yap, Peter Schury, Sarah Naimi, Gemma Bartram, Alison Bruce, Navodhayan Chandrakumar, Jiulong Chen, James Cubiss, Siddharth Doshi, Sunil Dutt, …

Atoms, Vol.14(8), p.63

01/08/2026

DOI: https://doi.org/10.3390/atoms14080063

Abstract

Nuclear Experiment

Physics

Mass measurements of isotopes around the A=184 region near stability were performed at the KEK Isotope Separation System within the RIKEN Nishina Center, Japan. The isotopes were produced via multi-nucleon transfer reactions with a 136Xe beam of 7.2 MeV/u impinging on a natural tungsten target. We report the first direct mass measurement of 184Ta, showing a 62(27) keV deviation compared to previous indirect measurements.

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Title: First Direct Mass Measurement of 184Ta and Surrounding Nuclei
Creators: Jinn Ming Yap - High Energy Accelerator Research Organization
Peter Schury - High Energy Accelerator Research Organization
Sarah Naimi - Centre National de la Recherche Scientifique
Gemma Bartram - University of Surrey
Alison Bruce - University of Brighton
Navodhayan Chandrakumar - University of Surrey
Jiulong Chen - Beihang University
James Cubiss - University of York
Siddharth Doshi - Stanford University
Sunil Dutt - Chinese Academy of Sciences
Jilehu Gada - Chinese Academy of Sciences
Song Guo - Chinese Academy of Sciences
Yoshikazu Hirayama - High Energy Accelerator Research Organization
George Hudson-Chang - University of Surrey
Sota Kimura - High Energy Accelerator Research Organization
Filip Kondev - Argonne National Laboratory
Gregory Lane - Australian National University
Jenny Lee - University of Hong Kong
Guangshun Li - Chinese Academy of Sciences
Yury Litvinov
Zhong Liu - Chinese Academy of Sciences
Pengcong Ma - Chinese Academy of Sciences
Sorin Pascu - University of Surrey
Zsolt Podolyák
Aiko Takamine - Kyushu University
Michiharu Wada - Chinese Academy of Sciences
Philip Walker - University of Surrey
Hiroshi Watanabe - Beihang University
Yutaka Watanabe - High Energy Accelerator Research Organization
Publication Details: Atoms, Vol.14(8), p.63
Publisher: MDPI; BASEL
Number of pages: 10
Publication Date: 01/08/2026
Grant note: U.S. Department of Energy: DE-AC02-06CH11357 National Natural Science Foundation of China: 12135004 Japan Society for the Promotion of Science: 23244060, 24740180, 26247044, 15H02096, 17H01132, 17H06090, 18H03711, 20H00169, 21H04479, 22H04946 UK STFC: ST/V001108/1, ST/Y000358/1, ST/Z000645/1, ST/V001078/1
This work was supported by the Japan Society for the Promotion of Science KAKENHI (Grants No. 23244060, No. 24740180, No. 26247044, No. 15H02096, No. 17H01132, No. 17H06090, No. 18H03711, No. 20H00169, No. 21H04479, No. 22H04946) and UK STFC (Grants No. ST/V001108/1, No. ST/Y000358/1, No. ST/Z000645/1). Z. Liu was supported by the National Natural Science Foundation of China (Grant No. 12135004). Work at ANL was supported by the U.S. Department of Energy, Office of Nuclear Physics, under Contract No. DE-AC02-06CH11357. A.M. Bruce and S. Doshi acknowledge support from the UK STFC Grant No. ST/V001078/1.
Identifiers: 991153594702346; WOS:001858416500001
Academic Unit: School of Maths and Physics
Language: English
Resource Type: Journal article

First Direct Mass Measurement of 184Ta and Surrounding Nuclei

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