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Advancement of Photospheric Radius Expansion and Clocked Type-I X-Ray Burst Models with the New Reaction Rate Determined at the Gamow Energy

  • J. Hu
  • , H. Yamaguchi
  • , Y. H. Lam
  • , A. Heger
  • , D. Kahl
  • , A. M. Jacobs
  • , Z. Johnston
  • , S. W. Xu
  • , N. T. Zhang
  • , S. B. Ma
  • , L. H. Ru
  • , E. Q. Liu
  • , T. Liu
  • , S. Hayakawa
  • , L. Yang
  • , H. Shimizu
  • , C. B. Hamill
  • , A. St J. Murphy
  • , J. Su
  • , X. Fang
  • K. Y. Chae, M. S. Kwag, S. M. Cha, N. N. Duy, N. K. Uyen, D. H. Kim, R. G. Pizzone, M. La Cognata, S. Cherubini, S. Romano, A. Tumino, J. Liang, A. Psaltis, M. Sferrazza, D. Kim, Y. Y. Li, S. Kubono
  • CAS - Institute of Modern Physics
  • University of Chinese Academy of Sciences
  • The University of Tokyo
  • National Astronomical Observatory of Japan (NAOJ)
  • Monash University
  • Center of Excellence for Astrophysics in Three Dimensions (ASTRO-3D)
  • Michigan State University
  • Horia Hulubei National Institute of Physics and Nuclear Engineering
  • University of Edinburgh
  • Beijing Normal University
  • Sun Yat-Sen University
  • Sungkyunkwan University
  • Duy Tan University
  • National Institute for Nuclear Physics
  • University of Catania
  • CSFNSM
  • Kore University of Enna
  • McMaster University
  • Université libre de Bruxelles
  • Ewha Womans University
  • RIKEN

Research output: Contribution to journalArticlepeer-review

Abstract

We report the first (in)elastic scattering measurement of with the capability to select and measure in a broad energy range the proton resonances in contributing to the reaction at type I x-ray burst energies. We measured spin-parities of four resonances above the threshold of that are found to strongly impact the rate. The new rate advances a state-of-the-art model to remarkably reproduce light curves of the GS clocked burster with mean deviation and permits us to discover a strong correlation between the He abundance in the accreting envelope of the photospheric radius expansion burster and the dominance of branch.

Original languageEnglish
Article number172701
JournalPhysical Review Letters
Volume127
Issue number17
DOIs
StatePublished - 22 Oct 2021

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