Single-particle neutron states in <math xmlns="http://www.w3.org/1998/Math/MathML"><mmultiscripts><mi>Hg</mi><mprescripts></mprescripts><none></none><mn>199</mn></mmultiscripts></math> populated in the <math xmlns="http://www.w3.org/1998/Math/MathML"><mrow><mmultiscripts><mi>Hg</mi><mprescripts></mprescripts><none></none><mn>200</mn></mmultiscripts><mo>(</mo><mi>d</mi><mo>,</mo><mi>t</mi><mo>)</mo><mrow></mrow><mmultiscripts><mi>Hg</mi><mprescripts></mprescripts><none></none><mn>199</mn></mmultiscripts></mrow></math> reaction

E. T. Rand; P. E. Garrett; K. Yanase; N. Shimizu; G. C. Ball; V. Bildstein; C. Burbadge; A. Diaz Varela; T. Faestermann; B. Hadinia; R. Hertenberger; D. S. Jamieson; B. Jigmeddorj; A. T. Laffoley; K. G. Leach; A. D. MacLean; A. J. Radich; B. Rebeiro; C. E. Svensson; S. Triambak; H.-F. Wirth

doi:10.1103/4r6p-prgy

Single-particle neutron states in ${}^{199}{Hg}$ populated in the ${}^{200}{Hg} (d, t) {}^{199}{Hg}$ reaction

E. T. Rand^1,*, P. E. Garrett ^1,2,†, K. Yanase ³, N. Shimizu ⁴, G. C. Ball ⁵, V. Bildstein ¹, C. Burbadge^1,‡, A. Diaz Varela¹, T. Faestermann ⁶ et al.

B. Hadinia ^1,§, R. Hertenberger⁷, D. S. Jamieson ^1,∥, B. Jigmeddorj ^1,¶, A. T. Laffoley ¹, K. G. Leach ^1,**, A. D. MacLean¹, A. J. Radich ¹, B. Rebeiro ^2,††, C. E. Svensson¹, S. Triambak ², and H.-F. Wirth⁷

¹Department of Physics, University of Guelph, Guelph, Ontario N1G 2W1, Canada
²Department of Physics, University of the Western Cape, P/B X17, Bellville 7535, South Africa
³RIKEN Nishina Center for Accelerator-Based Science, Wako 351-0198, Japan
⁴Center for Computational Sciences, University of Tsukuba, Tennodai, Tsukuba 305-8577, Japan
⁵TRIUMF, 4004 Wesbrook Mall, Vancouver, British Columbia V6T 2A3, Canada
⁶Physik Department, Technische Universität München, D-85748 Garching, Germany
⁷Fakultät für Physik, Ludwig-Maximilians-Universität München, D-85748 Garching, Germany

^*Present address: Canadian Nuclear Laboratories, Chalk River, ON, Canada.
^†Contact author: pgarrett@physics.uoguelph.ca
^‡Deceased.
^§Present address: Candu Energy Inc.
^∥Present address: Max Planck Institute for Astrophysics, 85748 Garching, Germany.
^¶Present address: School of Natural Science, Laurentian University, Sudbury, ON, Canada.
^**Present address: Department of Physics, Colorado School of Mines, Golden, CO, USA.
^††Present address: GANIL, Bd Henri Becquerel, 14076 Caen Cedex 05, France.

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Phys. Rev. C 113, 044308 – Published 10 April, 2026

DOI: https://doi.org/10.1103/4r6p-prgy

Abstract

Single-particle states in ${}^{199}{Hg}$ have been studied with the ${}^{200}{Hg} (d, t) {}^{199}{Hg}$ reaction using 22-MeV deuterons. The reaction products were momentum analyzed using a Q3D magnetic spectrograph, and a position-sensitive cathode-strip detector located at the focal plane recorded the particle spectra. Cross sections for the population of individual states up to approximately 3-MeV excitation energy were determined, and angular distributions have been constructed. In total, 93 levels were observed, including and 52 previously unobserved levels, and spin-parity assignments made for 16 previously established levels. The results were compared with large-scale shell-model calculations that reproduce well the spectroscopic strengths for levels at low excitation energy, and the trends in the cumulative strength to high excitation energy.

Physical Review C

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Single-particle neutron states in ${}^{199}{Hg}$ populated in the ${}^{200}{Hg} (d, t) {}^{199}{Hg}$ reaction

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Single-particle neutron states in Hg199 populated in the Hg200(d,t)Hg199 reaction

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Single-particle neutron states in ${}^{199}{Hg}$ populated in the ${}^{200}{Hg} (d, t) {}^{199}{Hg}$ reaction