Phantom Crossing DGP Gravity

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Presentation transcript:

Phantom Crossing DGP Gravity Abstract ID:86 Phantom Crossing DGP Gravity Koichi Hirano1, Zen Komiya 1 Ichinoseki National College of Technology, Japan

High-precision (p,t) Reactions for Reaction Rates in the Stellar rp-process Y. Fujita for the JINA Collaboration Abstract # 91 (p,t) Reactions on N=Z Target Nuclei at Ep=100 MeV 24Mg(p,t)22Mg, 28Si(p,t)26Si, 32S(p,t)30S, 36Ar(p,t)34Ar, 40Ca(p,t)38Ca Physics Motivation and Experimental Method Nuclear structure of unstable proton-rich nuclei Measure precise resonance energies above the p- and α- thresholds using the high-resolution GRAND RAIDEN spectrometer (10 – 50 keV) Calculate improved stellar reaction rates, determine paths of astrophysics rp process in hot hydrogen burning in e.g. novae and X-ray bursters Result: Statistical level density model (Hauser-Feshbach) overestimates stellar reaction rates 32S(p,t )30Si, Ep = 100 MeV p threshold α threshold

ID-92

NewSUBARU laser Compton scattered g-ray beam Study of 12C(g,2a)4He with NewSUBARU laser Compton scattered g-ray beam ID-96 Tatsushi Shima1 Y. Nagai2, S. Miyamoto3, S. Amano3, K. Horikawa3, T. Mochizuki3, H. Utsunomiya4, H. Akimune4 1RCNP, Osaka University, 2Nuclear Science and Engineering Directorate, JAEA, 3LASTI, The University of Hyogo, 4Department of Physics, Konan University 1. Motivation; experimental information for 2. Experimental method Laser Compton scattered g + Time-projection chamber (quasi-monochromatic) (He+CD4; active target) 12C(g,2a)4He in photodisintegration of SN core triple-alpha reaction (but 0+2 Hoyle state is not accessible with real photons)

ID-96 3. Result 12C 1- excited states