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Related papers: Thermonuclear 42Ti(p,gamma)43V rate in type I X-ra…

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The thermonuclear rate of the 50Fe(p,gamma)51Co reaction in the Type I X-ray bursts (XRBs) temperature range has been reevaluated based on a recent precise mass measurement at CSRe lanzhou, where the proton separation energy Sp=142+/-77 keV…

Nuclear Experiment · Physics 2017-01-04 L. P. Zhang , J. J. He , W. D. Chai , S. Q. Hou , L. Y. Zhang

We compute the $^{63}$Ga(p,$\gamma$)$^{64}$Ge and $^{64}$Ge(p,$\gamma$)$^{65}$As thermonuclear reaction rates using the latest experimental input supplemented with theoretical nuclear spectroscopic information. The experimental input…

Nuclear Theory · Physics 2024-12-19 Ning Lu , Yi Hua Lam , Alexander Heger , Zi Xin Liu , Hidetoshi Yamaguchi

Accurate $^{42}$Ti($p$,$\gamma$)$^{43}$V reaction rates are crucial for understanding the nucleosynthesis path of the rapid capture process (rp-process) that occurs in X-ray bursts. We aim to improve the thermonuclear rates of…

Solar and Stellar Astrophysics · Physics 2025-10-22 S. Q. Hou , C. Iliadis , M. Pignatari , J. B. Liu , T. C. L. Trueman , J. G. Li , X. X. Xu

The extent of nucleosynthesis in models of type I X-ray bursts and the associated impact on the energy released in these explosive events are sensitive to nuclear masses and reaction rates around the $^{64}$Ge waiting point. Using the well…

Solar and Stellar Astrophysics · Physics 2016-02-17 Y. H. Lam , J. J. He , A. Parikh , H. Schatz , B. A. Brown , M. Wang , B. Guo , Y. H. Zhang , X. H. Zhou , H. S. Xu

The $^{18}$Ne($\alpha$,$p$)$^{21}$Na reaction impacts the break-out from the hot CNO-cycles to the $rp$-process in type I X-ray bursts. We present a revised thermonuclear reaction rate, which is based on the latest experimental data. The…

Nuclear Theory · Physics 2015-05-05 P. Mohr , R. Longland , C. Iliadis

We examine the sensitivity of nucleosynthesis in Type I X-ray bursts to variations in nuclear rates. As a large number of nuclear processes are involved in these phenomena -with the vast majority of reaction rates only determined…

Astrophysics · Physics 2008-06-19 Anuj Parikh , Jordi Jose , Fermin Moreno , Christian Iliadis

The thermonuclear rate of the $^{29}$Si(p,$\gamma$)$^{30}$P reaction impacts the $^{29}$Si abundance in classical novae. A reliable reaction rate is essential for testing the nova paternity of presolar stardust grains. At present, the fact…

Nuclear Experiment · Physics 2022-05-16 Lori Downen , Christian Iliadis , Art Champagne , Thomas Clegg , Alain Coc , Jack Dermigny

We evaluate two dominant nuclear reaction rates and their uncertainties that affect 44Ti production in explosive nucleosynthesis. Experimentally we develop thick-target yields for the 40Ca(alpha,gamma)44Ti reaction at E(alpha) = 4.13, 4.54,…

Type I X-ray bursts are thermonuclear flashes on the surface of accreting neutron stars, involving hundreds of nuclei and thousands of reactions with larger uncertainties in reaction rate. To investigate the impact of nuclear reaction rate…

High Energy Astrophysical Phenomena · Physics 2026-03-12 Qing Wang , Ertao Li , Zhihong Li , Youbao Wang , Bing Guo , Yunju Li , Jun Su , Shipeng Hu , Yinwen Guan , Dong Xiang , Yu Liu , Lei Yang , Weiping Liu

X-ray bursts are thermonuclear flashes on the surface of accreting neutron stars and reliable burst models are needed to interpret observations in terms of properties of the neutron star and the binary system. We investigate the dependence…

High Energy Astrophysical Phenomena · Physics 2016-10-19 R. H. Cyburt , A. M. Amthor , A. Heger , E. Johnson , L. Keek , Z. Meisel , H. Schatz , K. Smith

This work focuses on the study of temperature associated with the final heavy fragments in reactions induced by both the neutron-proton symmetric and the neutron-rich projectiles, and with incident energy ranges from 60$A$ MeV to 1$A$ GeV.…

Nuclear Theory · Physics 2012-12-04 C. W. Ma , J. Pu , Y. G. Ma , R. Wada , S. S. Wang

Updated stellar rates for the reaction 23Mg(p,gamma)24Al are calculated by using all available experimental information on 24Al excitation energies. Proton and gamma-ray partial widths for astrophysically important resonances are derived…

Nuclear Theory · Physics 2008-11-26 H. Herndl , M. Fantini , C. Iliades , P. M. Endt , H. Oberhummer

The impact of nuclear physics uncertainties on nucleosynthesis in thermonuclear supernovae has not been fully explored using comprehensive and systematic studies with multiple models. To better constrain predictions of yields from these…

Solar and Stellar Astrophysics · Physics 2015-06-16 Anuj Parikh , Jordi Jose , Ivo R. Seitenzahl , Friedrich K. Roepke

The radiative neutron capture reaction rates have been studied at very low energies which are of interest for nuclear astrophysics. The rates for many of these reactions have remained independent of temperature so far. The temperature…

Nuclear Theory · Physics 2021-07-26 Vinay Singh , Joydev Lahiri , D. N. Basu

Numerical values of charged-particle thermonuclear reaction rates for nuclei in the A=14 to 40 region are tabulated. The results are obtained using a method, based on Monte Carlo techniques, that has been described in the preceding paper of…

Solar and Stellar Astrophysics · Physics 2015-05-18 Christian Iliadis , Richard Longland , Art Champagne , Alain Coc , Ryan Fitzgerald

Accurate nuclear reaction rates for 26P(p,{\gamma})27S are pivotal for a comprehensive understanding of rp-process nucleosynthesis path in the region of proton-rich sulfur and phosphorus isotopes. However, large uncertainties still exist in…

Nuclear Theory · Physics 2023-06-28 S. Q. Hou , J. B. Liu , T. C. L. Trueman , J. G. Li , M. Pignatari , C. Bertulani , X. X. Xu

We present a new method of matching observations of Type I (thermonuclear) X-ray bursts with models, comparing the predictions of a semi-analytic ignition model with X-ray observations of the accretion-powered millisecond pulsar SAX…

High Energy Astrophysical Phenomena · Physics 2019-10-02 A. J. Goodwin , D. K. Galloway , A. Heger , A. Cumming , Z. Johnston

Background: Type I X-Ray bursts (XRBs) are energetic stellar explosions that occur on the surface of a neutron star in an accreting binary system with a low-mass H/He-rich companion. The rate of the $^{34}$Ar($\alpha,p$)$^{37}$K reaction…

First steps have been taken in a more comprehensive study of the dependence of observables in Type I X-ray bursts on uncertain (p,gamma) reaction rates along the rp-process path. We use the multizone hydrodynamics code KEPLER which…

The $^{32}$Cl(p,$\gamma$)$^{33}$Ar reaction rate is of potential importance in the rp-process powering type I X-ray bursts. Recently Clement et al. \cite{CBB04} presented new data on excitation energies for low lying proton unbound states…

Nuclear Experiment · Physics 2008-11-26 H. Schatz , C. A. Bertulani , B. A. Brown , R. R. C. Clement , A. A. Sakharuk , B. M. Sherrill
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