Nuclear quantum Monte Carlo: Expanding into the continuum

Nollett, Kenneth M.

doi:10.1007/s00601-008-0223-9

Few-Body Syst

2008

DOI: 10.1007/s00601-008-0223-9

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Nuclear quantum Monte Carlo: Expanding into the continuum

Kenneth M. Nollett

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2013

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“…The uncertainty in S 17 is dominated by the theory used to fit and extrapolate measurements -the experimental contribution to the S 17 error is 3.4% [5]. As ab initio methods may soon be available for such systems [20], the situation could improve substantially. In the case of S 114 a program of needed work was outlined in [5], including new measurements to constrain the transitions to the 6.79 and 6.17 MeV states in 15 O.…”

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confidence: 99%

Using the standard solar model to constrain solar composition and nuclear reactionSfactors

2013

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While standard solar model (SSM) predictions depend on approximately 20 input parameters, SSM neutrino flux predictions are strongly correlated with a single model output parameter, the core temperature Tc. Consequently, one can extract physics from solar neutrino flux measurements while minimizing the consequences of SSM uncertainties, by studying flux ratios with appropriate power-law weightings tuned to cancel this Tc dependence. We re-examine an idea for constraining the primordial C+N content of the solar core from a ratio of CN-cycle 15 O to pp-chain 8 B neutrino fluxes, showing that nonnuclear SSM uncertainties in the ratio are small and effectively governed by a single parameter, the diffusion coefficient. We point out that measurements of both CN-I cycle neutrino branches -15 O and 13 N β-decay -could in principle lead to separate determinations of the core C and N abundances, due to out-of-equilibrium CN-cycle burning in the cooler outer layers of the solar core. Finally, we show that the strategy of constructing "minimum uncertainty" neutrino flux ratios can also test other properties of the SSM. In particular, we demonstrate that a weighted ratio of 7 Be and 8 B fluxes constrains a product of S-factors to the same precision currently possible with laboratory data.

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Using the standard solar model to constrain solar composition and nuclear reactionSfactors

2013

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Nuclear quantum Monte Carlo: Expanding into the continuum

Cited by 1 publication

References 20 publications

Using the standard solar model to constrain solar composition and nuclear reactionSfactors

Using the standard solar model to constrain solar composition and nuclear reactionSfactors

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