Zobrazeno 1 - 10
of 24
pro vyhledávání: '"H. Diesener"'
Autor:
P. von Neumann-Cosel, H. Diesener, G. Herbert, S. Strauch, J. Carter, U. Helm, Achim Richter, G. Schrieder
Publikováno v:
Nuclear Physics A. 696:317-336
The present article is the third out of three on a study of the 40 Ca(e,e′ x ) reaction discussing the role of direct and statistical contributions to the decay of the observed giant resonance strengths. The proton and α decay modes leading to low
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1a72c58e2c17b981a66274db64f78c1d
https://doi.org/10.1016/s0375-9474(01)01208-8
https://doi.org/10.1016/s0375-9474(01)01208-8
Autor:
U. Helm, S. Strauch, Achim Richter, P. von Neumann-Cosel, Jan Ryckebusch, H. Diesener, V. Huck, J. Carter, G. Schrieder, A. Stascheck, Chary Rangacharyulu
Publikováno v:
Nuclear Physics A. 696:293-316
The present article is the second out of three on a study of the 40 Ca(e,e′ x ) reaction discussing the multipole decomposition of the measured cross sections and the analysis of angular correlations. The decomposition of the strongly overlapping E
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1553d3c7db4dd78f2aa2a00c94745f3d
https://doi.org/10.1016/s0375-9474(01)01209-x
https://doi.org/10.1016/s0375-9474(01)01209-x
Autor:
S. Strauch, A. A. Cowley, G.F. Steyn, J. J. Lawrie, Achim Richter, K. Schweda, J. Carter, R. W. Fearick, H. Diesener, J. V. Pilcher, S. V. Förtsch, F. D. Smit, P. von Neumann-Cosel
Publikováno v:
Physics Letters B. 506:247-253
A decomposition of giant multipole strength in 40 Ca and 48 Ca is performed from angular correlations and emission angle-integrated angular distributions of the reactions 40 Ca(p, p′ α 0 ) 36 Ar, 40 Ca(p, p′p 0 ) 39 K and 48 Ca(p, p ′ n 0 ) 47
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28a41814c6c1a145c703605d90a9c409
https://doi.org/10.1016/s0370-2693(01)00230-1
https://doi.org/10.1016/s0370-2693(01)00230-1
Autor:
Achim Richter, S. V. Förtsch, P. von Neumann-Cosel, J. J. Lawrie, S. Strauch, R.T. Newman, J. Carter, G.F. Steyn, A. A. Cowley, Mohsen Harakeh, R. W. Fearick, J. V. Pilcher, S.J. Mills, F. D. Smit, H. Diesener, D. M. Whittal, K. Schweda
Publikováno v:
Scopus-Elsevier
The Ca-40(p,p'alpha) reaction has been studied at an incident proton energy E-p,= 99.5 MeV for proton laboratory scattering angles Theta(p)(lab) = 17 degrees, 23 degrees and 27 degrees. Emission of alpha particles coincident with the scattered proton
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::959765909b553a7b0d2b88f392cbf38e
https://doi.org/10.1016/s0375-9474(98)00656-3
https://doi.org/10.1016/s0375-9474(98)00656-3
Publikováno v:
Physics Letters B. 352:201-206
A multipole decomposition of the angular correlation functions of the reaction 40Ca(e,e′, α)36Arg.s. in the excitation energy range Ex = 10 – 20 MeV is presented. The response in 40Ca is dominated by isoscalar E0 and E2 strength exhausting 12.8(
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f1a4fcc76b8887941b08b3f4ca89d5eb
https://doi.org/10.1016/0370-2693(95)00500-k
https://doi.org/10.1016/0370-2693(95)00500-k
Autor:
U. Helm, A. Stascheck, J. Carter, V. Huck, G. Schrieder, H. Diesener, Achim Richter, Jan Ryckebusch, G. Herbert, A. Stiller, Chary Rangacharyulu, P. von Neumann-Cosel
Publikováno v:
Physical Review Letters. 72:1994-1997
The $^{40}\mathrm{Ca}$(e,e'x) reaction has been investigated for excitation energies between 8 and 26 MeV and momentum transfers from 0.25 to 0.66 ${\mathrm{fm}}^{\mathrm{\ensuremath{-}}1}$ at the continuous-wave electron accelerators MAMI at Mainz S
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::573c0d58e40b230e06bf6d6c77cd968e
https://doi.org/10.1103/physrevlett.72.1994
https://doi.org/10.1103/physrevlett.72.1994
Autor:
J. J. Lawrie, A. Stiller, D. M. Whittal, A. Stascheck, F. D. Smit, J. V. Pilcher, A. A. Cowley, R. W. Fearick, J. Carter, G. Schrieder, H. Diesener, Achim Richter, U. Helm, Jan Ryckebusch, S.J. Mills, P. von Neumann-Cosel, V. Huck, Zabulon Vilakazi, R.T. Newman, G. Herbert
Publikováno v:
Nuclear Physics A. 569:373-382
The excitation and decay of electric giant resonances in 40Ca in the excitation energy range Ex = 8 – 26 MeV was investigated with the (e,e'x; x=p,α) reaction for momentum transfers from 0.25 to 0.66 fm−1. The angular correlations of proton deca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23f6993326facec5be14fcd8272fc970
https://doi.org/10.1016/0375-9474(94)90128-7
https://doi.org/10.1016/0375-9474(94)90128-7
Autor:
N. Huxel, Achim Richter, W. Ziegler, W. Ahner, C. Spieler, P. von Neumann-Cosel, Chary Rangacharyulu, C. De Coster, Kristiaan Heyde, H. Diesener
Publikováno v:
Nuclear Physics A. 539:478-486
The excitation energy region up to 4 MeV in 165 Ho was studied by high-resolution nuclear resonance fluorescence (NRF) and inelastic electron scattering. Magnetic dipole transition strength is observed into a few levels below 2.4 MeV, which can be ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c5f010e42f3c2150b91c0f1ee9e24019
https://doi.org/10.1016/0375-9474(92)90288-u
https://doi.org/10.1016/0375-9474(92)90288-u
Publikováno v:
Zeitschrift f�r Physik A Atomic Nuclei. 336:159-178
With high-resolution inelastic electron scattering measurements on46Ti and48Ti the excitation mechanism of the transition into low lying Jπ=1+ states is investigated. The experimental evidence of considerable contribution of the orbital part of theM
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a26cc5117054f73ad9dbd5ebee21645
https://doi.org/10.1007/bf01290617
https://doi.org/10.1007/bf01290617
Autor:
P. von Neumann-Cosel, S. V. Förtsch, R. W. Fearick, H. Diesener, J. Carter, A. A. Cowley, J. J. Lawrie, K. Schweda, J. V. Pilcher, F. D. Smit, S. Strauch, G.F. Steyn, Achim Richter
Publikováno v:
Physical Review C. 63
The giant-resonance region in ${}^{40}\mathrm{Ca}$ and ${}^{48}\mathrm{Ca}$ has been studied using the reactions ${}^{48}\mathrm{Ca}{(p,p}^{\ensuremath{'}}{n}_{0}{)}^{47}\mathrm{Ca},$ ${}^{40}\mathrm{Ca}{(p,p}^{\ensuremath{'}}{p}_{0}{)}^{39}\mathrm{K
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9179a71892f79148a8523a9a173d6780
https://doi.org/10.1103/physrevc.63.057602
https://doi.org/10.1103/physrevc.63.057602