@article{Holt2012,
abstract = {Understanding and predicting the formation of shell structure from nuclear forces is a central challenge for nuclear physics. While the magic numbers N = 2, 8, 20 are generally well understood, N = 28 is the first standard magic number that is not reproduced in microscopic theories with two-nucleon forces. In this paper, we show that three-nucleon forces give rise to repulsive interactions between two valence neutrons that are key to explain 48Ca as a magic nucleus, with a high 2 + excitation energy and a concentrated magnetic dipole transition strength. The repulsive three-nucleon mechanism improves the agreement with experimental binding energies. {\textcopyright} 2012 IOP Publishing Ltd.},
archivePrefix = {arXiv},
arxivId = {1009.5984},
author = {Holt, Jason D. and Otsuka, Takaharu and Schwenk, Achim and Suzuki, Toshio},
doi = {10.1088/0954-3899/39/8/085111},
eprint = {1009.5984},
issn = {09543899},
journal = {Journal of Physics G: Nuclear and Particle Physics},
number = {8},
title = {{Three-body forces and shell structure in calcium isotopes}},
volume = {39},
year = {2012}
}

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