共 50 条
- [31] DIFFERENTIAL CROSS SECTIONS FOR 14N(ALPHA,P)17O' REACTIONNUCLEAR PHYSICS A, 1969, A124 (02) : 305 - &ROSE, FA论文数: 0 引用数: 0 h-index: 0
- [32] Direct underground measurement of the 17O(p,α)14N reaction at LUNANUCLEAR PHYSICS IN ASTROPHYSICS CONFERENCE (NPA VII), 2018, 940Bruno, C. G.论文数: 0 引用数: 0 h-index: 0机构: Univ Edinburgh, Sch Phys & Astron, Edinburgh, Midlothian, Scotland Univ Edinburgh, Sch Phys & Astron, Edinburgh, Midlothian, Scotland
- [33] The 65 keV resonance in the 17O(p,α)14N thermonuclear reactionNUCLEAR PHYSICS A, 2010, 834 (1-4) : 676C - 678CSergi, M. L.论文数: 0 引用数: 0 h-index: 0机构: Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, Italy Univ Catania, Dipartimento Metodol Fis & Chim Ingn, Catania, Italy Ctr Siciliano Fis Nucl & Struttura Mat, Catania, Italy Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, ItalySpitaleri, C.论文数: 0 引用数: 0 h-index: 0机构: Ist Nazl Fis Nucl, Lab Nazl Sud, I-95125 Catania, Italy Univ Catania, Dipartimento Metodol Fis & Chim Ingn, Catania, Italy Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, ItalyCoc, A.论文数: 0 引用数: 0 h-index: 0机构: Univ Paris 11, F-91405 Orsay, France CNRS, IN2P3, UMR 8609, CSNSM, F-91405 Orsay, France Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, ItalyMukhamedzhanov, A.论文数: 0 引用数: 0 h-index: 0机构: Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, ItalyBurjan, S. V.论文数: 0 引用数: 0 h-index: 0机构: ASCR Rez, Inst Nucl Phys, Prague, Czech Republic Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, ItalyGulino, M.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Metodol Fis & Chim Ingn, Catania, Italy Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, Italy论文数: 引用数: h-index:机构:Hons, Z.论文数: 0 引用数: 0 h-index: 0机构: ASCR Rez, Inst Nucl Phys, Prague, Czech Republic Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, ItalyIrgaziev, B.论文数: 0 引用数: 0 h-index: 0机构: GIK Inst Engn Sci & Technol, Swabi Nwfp, Pakistan Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, ItalyKiss, G. G.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Metodol Fis & Chim Ingn, Catania, Italy Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, ItalyKroha, V.论文数: 0 引用数: 0 h-index: 0机构: ASCR Rez, Inst Nucl Phys, Prague, Czech Republic Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, Italy论文数: 引用数: h-index:机构:Lamia, L.论文数: 0 引用数: 0 h-index: 0机构: Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, Italy Univ Catania, Dipartimento Metodol Fis & Chim Ingn, Catania, Italy Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, ItalyPizzone, R. G.论文数: 0 引用数: 0 h-index: 0机构: Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, Italy Univ Catania, Dipartimento Metodol Fis & Chim Ingn, Catania, Italy Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, Italyde Sereville, N.论文数: 0 引用数: 0 h-index: 0机构: Univ Paris 11, F-91406 Orsay, France CNRS, IN2P3, IPN, F-91406 Orsay, France Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, ItalySomorjai, E.论文数: 0 引用数: 0 h-index: 0机构: ATOMKI, Debrecen, Hungary Ist Nazl Fis Nucl, Lab Nazl Sud, I-95123 Catania, Italy
- [34] The 18F(n,α) Reaction: First Study of n-induced Reaction on a Radioactive Nucleus Using the Trojan Horse MethodPROCEEDINGS OF THE 14TH INTERNATIONAL SYMPOSIUM ON NUCLEI IN THE COSMOS (NIC2016), 2016,Gulino, Marisa论文数: 0 引用数: 0 h-index: 0机构: Ist Nazl Fis Nucl, LNS, Catania, Italy Univ Enna Kore, Enna, Italy RIKEN, Wako, Saitama, Japan Ist Nazl Fis Nucl, LNS, Catania, Italy论文数: 引用数: h-index:机构:Spitaleri, Claudio论文数: 0 引用数: 0 h-index: 0机构: Ist Nazl Fis Nucl, LNS, Catania, Italy Univ Catania, Dipartimento Fis & Astron, Catania, Italy Ist Nazl Fis Nucl, LNS, Catania, Italy论文数: 引用数: h-index:机构:La Cognata, Marco论文数: 0 引用数: 0 h-index: 0机构: Ist Nazl Fis Nucl, LNS, Catania, Italy Ist Nazl Fis Nucl, LNS, Catania, ItalyLamia, Livio论文数: 0 引用数: 0 h-index: 0机构: Ist Nazl Fis Nucl, LNS, Catania, Italy Ist Nazl Fis Nucl, LNS, Catania, ItalyPizzone, Rosario Gianluca论文数: 0 引用数: 0 h-index: 0机构: Ist Nazl Fis Nucl, LNS, Catania, Italy Ist Nazl Fis Nucl, LNS, Catania, Italy论文数: 引用数: h-index:机构:Kubono, Shigeru论文数: 0 引用数: 0 h-index: 0机构: RIKEN, Wako, Saitama, Japan Univ Tokyo, Ctr Nucl Study, Tokyo, Japan Ist Nazl Fis Nucl, LNS, Catania, ItalyYamaguchi, Hidetoshi论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Ctr Nucl Study, Tokyo, Japan Ist Nazl Fis Nucl, LNS, Catania, ItalyHayakawa, Seya论文数: 0 引用数: 0 h-index: 0机构: Ist Nazl Fis Nucl, LNS, Catania, Italy Univ Tokyo, Ctr Nucl Study, Tokyo, Japan Ist Nazl Fis Nucl, LNS, Catania, ItalyWakabayashi, Yasuo论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Ctr Nucl Study, Tokyo, Japan Ist Nazl Fis Nucl, LNS, Catania, ItalyIwasa, Naohito论文数: 0 引用数: 0 h-index: 0机构: Tohoku Univ, Dept Phys, Sendai, Miyagi, Japan Ist Nazl Fis Nucl, LNS, Catania, ItalyKato, Seigo论文数: 0 引用数: 0 h-index: 0机构: Yamagata Univ, Dept Phys, Yamagata, Japan Ist Nazl Fis Nucl, LNS, Catania, ItalyKomatsubara, Tetsuro论文数: 0 引用数: 0 h-index: 0机构: Inst for Basic Sci Korea, Rare Isotope Sci Project, Daejeon 305811, South Korea Ist Nazl Fis Nucl, LNS, Catania, ItalyTeranishi, Takashi论文数: 0 引用数: 0 h-index: 0机构: Kyushu Univ, Dept Phys, Fukuoka, Japan Ist Nazl Fis Nucl, LNS, Catania, ItalyCoc, Alain论文数: 0 引用数: 0 h-index: 0机构: Ctr Spectrometrie Nucl & Spectrometrie Masse, IN2P3, F-91405 Orsay, France Ist Nazl Fis Nucl, LNS, Catania, Italyde Sereville, Nicolas论文数: 0 引用数: 0 h-index: 0机构: Inst Phys Nucl, IN2P3, F-91405 Orsay, France Ist Nazl Fis Nucl, LNS, Catania, ItalyHammache, Fairouz论文数: 0 引用数: 0 h-index: 0机构: Inst Phys Nucl, IN2P3, F-91405 Orsay, France Ist Nazl Fis Nucl, LNS, Catania, ItalyKiss, Gabor论文数: 0 引用数: 0 h-index: 0机构: Inst Nucl Res MTA ATOMKI, Debrecen, Hungary Ist Nazl Fis Nucl, LNS, Catania, ItalyBishop, Shawn论文数: 0 引用数: 0 h-index: 0机构: RIKEN, Wako, Saitama, Japan TUM, Garching, Germany Ist Nazl Fis Nucl, LNS, Catania, ItalyDam Nguyen Binh论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Ctr Nucl Study, Tokyo, Japan Tran Hung Dao Hosp, MeV Cyclotron Ctr 30, Hanoi, Vietnam Ist Nazl Fis Nucl, LNS, Catania, Italy
- [35] STUDY OF THE C-14 (P,N) N-14 AND C-14 (ALPHA,N) O-17 REACTIONSPHYSICAL REVIEW, 1956, 104 (05): : 1434 - 1440SANDERS, RM论文数: 0 引用数: 0 h-index: 0
- [36] Study of the 12C+16O fusion reaction in carbon burning via the Trojan Horse MethodNUCLEAR PHYSICS IN ASTROPHYSICS - X, NPA-X 2022, 2023, 279Oliva, A. A.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, Italy INFN LNS Lab Nazl Sud, Catania, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyTumino, A.论文数: 0 引用数: 0 h-index: 0机构: INFN LNS Lab Nazl Sud, Catania, Italy Univ Enna Kore, Fac Ingn & Architettura, Enna, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalySoic, N.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyPrajapati, P. M.论文数: 0 引用数: 0 h-index: 0机构: INFN LNS Lab Nazl Sud, Catania, Italy Manipal Ctr Nat Sci, Manipal, India Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyAcosta, L.论文数: 0 引用数: 0 h-index: 0机构: Univ Nacl Autonoma Mexico, Inst Fis, Mexico City, DF, Mexico Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyAlba, R.论文数: 0 引用数: 0 h-index: 0机构: INFN LNS Lab Nazl Sud, Catania, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyCherubini, F. Barba S.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, Italy INFN LNS Lab Nazl Sud, Catania, Italy Univ Lisbon, Dept Fis, Fac Ciencias, Lisbon, Portugal Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, Italy论文数: 引用数: h-index:机构:Dell'Aquila, D.论文数: 0 引用数: 0 h-index: 0机构: Rudjer Boskovic Inst, Zagreb, Croatia Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyDi Pietro, A.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyFernandez, J. P.论文数: 0 引用数: 0 h-index: 0机构: Univ Paris XI, IPN Orsay, IN2P3 CNRS, Orsay, France Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyFiguera, P.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyRedondo, D. Galaviz论文数: 0 引用数: 0 h-index: 0机构: Univ Seville, Seville, Spain Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyGuardo, L.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, Italy INFN LNS Lab Nazl Sud, Catania, Italy Univ Enna Kore, Fac Ingn & Architettura, Enna, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyGulino, M.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyHammache, F.论文数: 0 引用数: 0 h-index: 0机构: Nucl Phys Inst ASCR, Rez, Czech Republic Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyMalenica, D. Jelavic论文数: 0 引用数: 0 h-index: 0机构: Rudjer Boskovic Inst, Zagreb, Croatia Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyKilic, A. I.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyLa Cognata, M.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyLa Commara, M.论文数: 0 引用数: 0 h-index: 0机构: INFN Sez Napoli, Naples, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyLamia, L.论文数: 0 引用数: 0 h-index: 0机构: Univ Napoli Federico II, Dipartimento Fis, Naples, Italy Ctr Siciliano Fis Nucl & Struttura Mat, Catania, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyLattuada, D.论文数: 0 引用数: 0 h-index: 0机构: Univ Enna Kore, Fac Ingn & Architettura, Enna, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyMaiolino, C.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyManico, G.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, Italy INFN LNS Lab Nazl Sud, Catania, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyMazzocco, M.论文数: 0 引用数: 0 h-index: 0机构: Univ Padua, Dipartimento Fis, Padua, Italy INFN Labi Nazl Legnaro, Legnaro, Italy Univ Zagreb, Fac Sci, Phys Dept, Zagreb, Croatia Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyMilin, M.论文数: 0 引用数: 0 h-index: 0机构: Rudjer Boskovic Inst, Zagreb, Croatia Univ Zagreb, Fac Sci, Phys Dept, Zagreb, Croatia Univ Tokyo, Ctr Nucl Study, Tokyo, Japan Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyNanru, Ma论文数: 0 引用数: 0 h-index: 0机构: Nazarbayev Univ, Astana, Kazakhstan Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyNurmukhanbetova, A.论文数: 0 引用数: 0 h-index: 0机构: Univ Perugia, Dipartimento Fis Geol, Perugia, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyNurkic, D.论文数: 0 引用数: 0 h-index: 0机构: Rudjer Boskovic Inst, Zagreb, Croatia Univ Zagreb, Fac Sci, Phys Dept, Zagreb, Croatia Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyPalmerini, S.论文数: 0 引用数: 0 h-index: 0机构: INFN Sez Perugia, Perugia, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyParascandolo, T.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyPierroutsakou, D.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyPizzone, R. G.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyPopocovski, R.论文数: 0 引用数: 0 h-index: 0机构: Rudjer Boskovic Inst, Zagreb, Croatia Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, Italy论文数: 引用数: h-index:机构:论文数: 引用数: h-index:机构:Santonocito, D.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalySergi, M. L.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, Italy INFN LNS Lab Nazl Sud, Catania, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyShotter, A.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalySparta, R.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, Italy INFN LNS Lab Nazl Sud, Catania, Italy Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalySpiridon, A.论文数: 0 引用数: 0 h-index: 0机构: Univ Edinburgh, Sch Phys, Edinburgh, Scotland Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyTrache, L.论文数: 0 引用数: 0 h-index: 0机构: IFIN HH, Bucharest, Romania Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyVukman, N.论文数: 0 引用数: 0 h-index: 0机构: Rudjer Boskovic Inst, Zagreb, Croatia Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, ItalyYamaguchi, H.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dipartimento Fis & Astron E Majorana, Catania, Italy
- [37] Experimental study of 17O(p,α)14N and 17O(p,γ)18F for classical nova nucleosynthesisFRONTIERS IN NUCLEAR STRUCTURE ASTROPHYSICS, AND REACTIONS: FINUSTAR, 2006, 831 : 304 - +Chafa, A.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, France CNRS, IN2P, CENBG, F-33175 Gradignan, France CNRS, IN2P3, CSNSM, F-91405 Orsay, FranceTatischeff, V.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, France CNRS, IN2P, CENBG, F-33175 Gradignan, France CNRS, IN2P3, CSNSM, F-91405 Orsay, FranceAguer, P.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P, CENBG, F-33175 Gradignan, France CNRS, IN2P3, CSNSM, F-91405 Orsay, FranceBarhoumi, S.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, FranceCoc, A.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, FranceGarrido, F.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, France CNRS, IN2P3, CSNSM, F-91405 Orsay, FranceHernanz, M.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, FranceJose, J.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, FranceKiener, J.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, France CNRS, IN2P3, CSNSM, F-91405 Orsay, FranceLefebvre-Schuhl, A.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, France CNRS, IN2P3, CSNSM, F-91405 Orsay, FranceOuichaoui, S.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, Francede Sereville, N.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, France CNRS, IN2P3, CSNSM, F-91405 Orsay, FranceThibaud, J. -P.论文数: 0 引用数: 0 h-index: 0机构: CNRS, IN2P3, CSNSM, F-91405 Orsay, France CNRS, IN2P3, CSNSM, F-91405 Orsay, France
- [38] A STUDY OF 17O IN REACTIONS 13C(6LI D)17O 13C(7LI T)17O AND 15O(3HE P)17OBULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1968, 13 (11): : 1464 - &BETHGE, K论文数: 0 引用数: 0 h-index: 0PULLEN, DJ论文数: 0 引用数: 0 h-index: 0MIDDLETO.R论文数: 0 引用数: 0 h-index: 0
- [39] INVESTIGATION OF STATES IN 17O VIA NEUTRON POLARIZATION MEASUREMENTS FOR 13C(ALPHA,N)16O REACTIONBULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1969, 14 (12): : 1230 - &BAKER, WL论文数: 0 引用数: 0 h-index: 0BUSCH, CE论文数: 0 引用数: 0 h-index: 0DEMARTIN.DC论文数: 0 引用数: 0 h-index: 0KEANE, JA论文数: 0 引用数: 0 h-index: 0DONOGHUE, TR论文数: 0 引用数: 0 h-index: 0
- [40] Feasibility Study for the 7Be+n Reaction Measurements by Trojan Horse Method at CRIBPROCEEDINGS OF THE 14TH INTERNATIONAL SYMPOSIUM ON NUCLEI IN THE COSMOS (NIC2016), 2016,Abe, K.论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Ctr Nucl Study, Grad Sch Sci, Tokyo, Japan Univ Tokyo, Ctr Nucl Study, Grad Sch Sci, Tokyo, JapanHayakawa, S.论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Ctr Nucl Study, Grad Sch Sci, Tokyo, Japan Univ Tokyo, Ctr Nucl Study, Grad Sch Sci, Tokyo, JapanYamaguchi, H.论文数: 0 引用数: 0 h-index: 0机构: Univ Tokyo, Ctr Nucl Study, Grad Sch Sci, Tokyo, Japan Univ Tokyo, Ctr Nucl Study, Grad Sch Sci, Tokyo, JapanLamia, L.论文数: 0 引用数: 0 h-index: 0机构: Univ Catania, Dept Phys & Astron, Catania, Italy Univ Tokyo, Ctr Nucl Study, Grad Sch Sci, Tokyo, Japan