Experimental study of the 15O(2p, γ)17Ne cross section by Coulomb Dissociation for the rp process

6th Nuclear Physics in Astrophysics

物理学;天文学

Marganiec, J.^1,5 ; Warners, F.^1,2,3,24 ; Aksouh, F.^3,22 ; Aksyutina, Y.^3 ; Pol, H. Alvarez^6 ; Aumann, T.^2,3 ; Beceiro, S.^6 ; Bertulani, C.^7 ; Boretzky, K.^3 ; Borge, M.J.^8 ; Chartier, M.^9 ; Chatillon, A.^3 ; Chulkov, L.^3 ; Cortina-Gil, D.^6 ; Egorova, I.^14 ; Emling, H.^3 ; Ershova, O.^3,4 ; Forssén, C.^10 ; Fraile, L.M.^11,12 ; Fynbo, H.^13 ; Galaviz, D.^8 ; Geissel, H.^3 ; Grigorenko, L.^14,26 ; Heil, M.^3 ; Hoffmann, D.H.H.^2 ; Hoffmann, J.^3 ; Johansson, H.^10 ; Jonson, B.^10 ; Karakoç, M.^23 ; Karagiannis, C.^3 ; Kiselev, O.^3 ; Kratz, J.V.^15 ; Kulessa, R.^16 ; Kurz, N.^3 ; Langer, C.^3,4 ; Lantz, M.^10,17 ; Larsson, K.^3 ; Le Bleis, T.^3,18 ; Lemmon, R.^9 ; Litvinov, Yu.A.^3 ; Mahata, K.^3,19 ; Müntz, C.^4 ; Nilsson, T.^10 ; Nociforo, C.^3 ; Nyman, G.^10 ; Ott, W.^3 ; Panin, V.^2,3 ; Parfenova, Yu.^14,27 ; Paschalis, S.^2,9 ; Perea, A.^8 ; Plag, R.^3,4 ; Reifarth, R.^3,4 ; Richter, A.^2 ; Riisager, K.^13 ; Tajes, C. Rodríguez^6,21 ; Rossi, D.^3,15,28 ; Schrieder, G.^2 ; Shulgina, N.^10,20 ; Simon, H.^3 ; Stroth, J.^4 ; Sümmerer, K.^3 ; Taylor, J.^9 ; Tengblad, O.^8 ; Tengborn, E.^10 ; Weick, H.^3 ; Wiescher, M.^5,25 ; Wimmer, C.^3,4 ; Zhukov, M.^10

EMMI, Darmstadt, Germany^1

TU Darmstadt, Germany^2

GSI Darmstadt, Germany^3

Goethe-Universitat, Frankfurt am Main, Germany^4

JINA, Notre Dame, United States^5

Santiago de Compostela University, Spain^6

Texas A and M University-Commerce, United States^7

IEM Madrid, Spain^8

University of Liverpool, United Kingdom

(10) Chalmers I.T., Sweden

(11) Universidad Complutense de Madrid, Spain

(12) CERN, Geneva, Switzerland

(13) Aarhus University, Denmark

(14) FLNR JINR Dubna, Russia

(15) University of Mainz, Germany

(16) Jagiellonian University, Krakow, Poland

(17) Uppsala University, Uppsala, Sweden

(18) TU München, Germany

(19) BARC Mumbai, India

(20) Kurchatov Institute, Moscow, Russia

(21) GANIL, CEA/DSM-CNRS/IN2P3, France

(22) King Saud University, Saudi Arabia

(23) Akdeniz University, Turkey

(24) FIAS Frankfurt Am Main, Germany

(25) University of Notre Dame, United States

(26) RRC KI, Moscow, Russia

(27) INP, Moscow, Russia

(28) NSCL, MSU, East Lansing, United States^9

关键词: Coulomb dissociations;    Fragmentation reactions;    Invariant mass;    Nuclear structure;    Photoabsorptions;    Production targets;    Radiative capture;    Time-reversed;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/665/1/012046/pdf
DOI  :  10.1088/1742-6596/665/1/012046

学科分类：天文学(综合)

来源: IOP

【 摘 要 】

The time-reversed reaction15O(2p, γ)17Ne has been studied by the Coulomb dissociation technique. Secondary17Ne ion beams at 500 AMeV have been produced by fragmentation reactions of20Ne in a beryllium production target and dissociated on a secondary Pb target. The incoming beam and the reaction products have been identified with the kinematically complete LAND-R3B experimental setup at GSI. The excitation energy prior to decay has been reconstructed by using the invariant-mass method. The preliminary differential and integral Coulomb Dissociation cross sections (σCoul) have been calculated, which provide a photoabsorption (σphoto) and a radiative capture cross section (σcap). Additionally, important information about the nuclear structure of the17Ne nucleus will be obtained. The analysis is in progress.