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000828261 0247_ $$2arXiv$$aarXiv:1702.5177
000828261 0247_ $$2Handle$$a2128/15086
000828261 037__ $$aFZJ-2017-02229
000828261 1001_ $$0P:(DE-HGF)0$$aElhatisari, Serdar$$b0$$eCorresponding author
000828261 245__ $$aAb initio calculations of the isotopic dependence of nuclear clustering
000828261 260__ $$c2017
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000828261 500__ $$a5 + 9 pages (main + supplemental materials), 4 + 6 figures (main + supplemental materials)
000828261 520__ $$aNuclear clustering describes the appearance of structures resembling smaller nuclei such as alpha particles (4He nuclei) within the interior of a larger nucleus. While clustering is important for several well-known examples, little is known about the general nature of clustering in nuclei. In this letter we present lattice Monte Carlo calculations based on chiral effective field theory for the ground states of helium, beryllium, carbon, and oxygen isotopes. By computing model-independent measures that probe three- and four-nucleon correlations at short distances, we determine the effective number of alpha clusters in any nucleus as well as their shape compared to alpha particles in vacuum. We also introduce a new computational approach called the pinhole algorithm, which solves a long-standing deficiency of auxiliary-field Monte Carlo simulations in computing density correlations relative to the center of mass. We use the pinhole algorithm to determine the proton and neutron density distributions and the geometry of cluster correlations in 12C, 14C, and 16C. The structural similarities among the carbon isotopes suggest that 14C and 16C have excitations analogous to the well-known Hoyle state resonance in 12C.
000828261 536__ $$0G:(DE-HGF)POF3-611$$a611 - Fundamental Particles and Forces (POF3-611)$$cPOF3-611$$fPOF III$$x0
000828261 536__ $$0G:(GEPRIS)196253076$$aDFG project 196253076 - TRR 110: Symmetrien und Strukturbildung in der Quantenchromodynamik (196253076)$$c196253076$$x1
000828261 588__ $$aDataset connected to arXivarXiv
000828261 7001_ $$0P:(DE-HGF)0$$aEpelbaum, Evgeny$$b1
000828261 7001_ $$0P:(DE-HGF)0$$aKrebs, Hermann$$b2
000828261 7001_ $$0P:(DE-Juel1)145995$$aLähde, Timo$$b3$$ufzj
000828261 7001_ $$0P:(DE-Juel1)156278$$aLee, Dean$$b4$$ufzj
000828261 7001_ $$0P:(DE-Juel1)159474$$aLi, Ning$$b5$$ufzj
000828261 7001_ $$0P:(DE-Juel1)159199$$aLu, Bingnan$$b6$$ufzj
000828261 7001_ $$0P:(DE-Juel1)131252$$aMeissner, Ulf-G.$$b7$$ufzj
000828261 7001_ $$0P:(DE-HGF)0$$aRupak, Gautam$$b8
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000828261 9101_ $$0I:(DE-HGF)0$$6P:(DE-HGF)0$$a Universität Bonn$$b0
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000828261 9141_ $$y2017
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