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Experimental Studies of the Mechanism of Photon Absorption on Light Nuclei

Morrow, Steven A

Publication date

January 2000

Abstract

A measurement of the reaction 12 C (γ,p γ') has been made with tagged photons in the range 49.47<Eγ <70.24 MeV. The relative population of a triplet of states, (7/2-,1/2+ ,5/2+ ) at Eex ~7 MeV in the residual nucleus 11B, following the reaction 12 C (γ,p) has been made by directly resolving their de--excitation γ-ray decay to the ground state of 11B. This measurement constitutes the highest resolution ever achieved in determining the excitation function of the residual nucleus after a (γ,p) reaction (~48 keV FWHM at Eex ~7 MeV). Comparison has been made with the data of Kuzin et al., who also measured the relative populations, with a resolution of ~270 keV at Eex ~7 MeV. The 7/2-,state at 6.74 MeV has been observed to be t...

Extracted data

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Ruijter, H.
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Nilsson, B.
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Lundin, M
Nilsson, B
Ruijter, H
Schroder, B
Annand, JRM
Crawford, GI
McGeorge, JC
Gregel, J
Ryckebusch, Jan

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Rassool, R. P.
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Ruijter, H.
Schröder, Bent
Annand, J. R.M.
Crawford, G. I.
McGeorge, J. C.
Gregel, J.
Ryckebusch, J.
Nilsson, Björn

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MacGregor, I.J.D.
Dancer, S.N.
Annand, J.R.M.
Anthony, I.
Crawford, G.I.
Hall, S.
Harty, P.D.
Kellie, J.D.
Miller, G.J.
Owens, R.O.
Wallace, P.A.
Branford, D.
Shotter, A.C.
Schoch, B.
Beck, R.
Schmieden, H.
Vogt, J.M.

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The <sup>12</sup>C(γ,pn) and <sup>12</sup>C(γ,pp) reactions have been measur...

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The goal of the present experiment was to study the reaction mechanisms involved in the absorption o...

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The goal of the present experiment was to study the reaction mechanisms involved in the absorption o...

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June 2018

The photoproduction of η -mesons off 12C , 40Ca , 93Nb , and nat Pb nuclei has been measured with a ...

The (γ,pd) reaction in <sup>12</sup>C

McAllister, S.J.
McGeorge, J.C.
MacGregor, I.J.D.
Annand, J.R.M.
Hall, S.J.
Harty, P.D.
Kellie, J.D.
Miller, G.J.
Owens, R.O.
Watts, D.P.
Yau, T.T.H.
Branford, D.
MacKenzie, J.A.
Liang, M.
Grabmayr, P.
Hehl, T.
Lamparter, T.
Sauer, M.
Schneider, R.
Ahrens, J.
Beck, R.

September 1999

The <sup>12</sup>C(gamma,pd) reaction has been studied for photon energies between 150 and 400 MeV u...

The concept of nuclear photon strength functions: A model-independent approach via (γ→,γ′γ″) reactions

J. Isaak
D. Savran
B. Löher
T. Beck
M. Bhike
U. Gayer
Krishichayan
N. Pietralla
M. Scheck
W. Tornow
V. Werner
A. Zilges
M. Zweidinger

January 2019

Most theoretical approaches used in nuclear astrophysics to model the nucleosynthesis of heavy eleme...

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Burdeinyi, D.
Brudvik, J.
Ganenko, V.
Hansen, K.
Fissum, K.
Isaksson, L.
Livingston, K.
Lundin, M.
Nilsson, B.

January 2015

The paper considers the results of experiments on the reactions 12C(γ, p)11B and d(γ, p)n in the ene...

Photon-induced proton knockout from 208Pb and 12C

Aschenauer, E.C.
Van den Abeele, C.
Adler, J.-O.
Andersson, B.-E.
de Bever, L.J.
Bobeldijk, I.
Branford, D.
Bulychjov, S.A.
Davinson, T.
Hansen, K.
Ireland, D.G.
Isaksson, L.
Ivanov, D.
Johnstone, D.G.
Khanov, A.
Lapikás, L.
Lindgren, L.J.
de Meyer, G.
Van Neck, D.
Nilsson, B.
Ruijter, H.
Ryckbosch, D.
Sandell, A.
Shotter, A.C.
Schröder, B.
Van der Sluys, V.
van der Steenhoven, G.
Svensson, P.
van Uden, M.A.
Van de Vyver, R.E.

March 1997

Cross sections have been measured for the reactions 208Pb(γ,p) and 12C(γ,p) leading to the low-lying...

Photon-induced proton knockout from $\mathrm{^{208}Pb}$ and $\mathrm{^{12}C}$

Aschenauer, E. C.
Van den Abeele, C.
Ireland, D. G.
Isaksson, L.
Ivanov, D.
Johnstone, D. G.
Khanov, A.
Lapikás, L.
Lindgren, L. J.
de Meyer, G.
Van Neck, D.
Nilsson, B.
Adler, J.-O.
Ruijter, H.
Ryckbosch, D.
Sandell, A.
Shotter, A. C.
Schröder, B.
Van der Sluys, V.
van der Steenhoven, G.
Svensson, P.
van Uden, M. A.
Van de Vyver, R. E.
Andersson, B.-E.
de Bever, L. J.
Bobeldijk, I.
Branford, D.
Bulychjov, S. A.
Davinson, T.
Hansen, K.

January 1997

Cross sections have been measured for the reactions 208Pb(γ,p) and 12C(γ,p) leading to the low-lying...