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Report No.

Comparison of nuclear mass models at

Smith, M. S.*; Nesaraja, C. D.*; Lingerfelt, E. J.*; Koura, Hiroyuki   ; Kondev, F. G.*

Nuclear masses are crucial in many areas of astrophysics, such as r-process nucleosynthesis in supernovae and rp-process nucleosynthesis in X-ray bursts. While there is significant effort internationally in new mass measurements and new theoretical mass models, the dissemination of mass information has not kept pace with these important developments. To address this problem, we have built an online, dedicated suite of codes - the nuclear mass toolkit at This free, platform-independent system enables scientists to quickly and efficiently share, manage, visualize, access, manipulate, compare, and analyze nuclear mass datasets. With our system, researchers can quickly and easily visualize them in customizable 1D and 2D plots, and calculate and plot RMS differences. We will demonstrate the utility of our site by comparing the RMS deviations of a wide variety of different theoretical mass models from experimental masses, over a variety of mass ranges.



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