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Study of C12(γ→,p)11B reactions with polarized photons at energy 40-65 MeV

Burdeinyi, D. D. ; Ganenko, V. B. ; Annand, J. R.M. ; Jebali, R. Al ; Hansen, K. LU ; Fissum, K. LU orcid ; Brudvik, J. LU ; Isaksson, L. LU ; Livingston, K. and Nilsson, B. LU , et al. (2024) In Nuclear Physics A 1048.
Abstract

The photon beam asymmetry of the C12(γ→,p01)11B and C12(γ→,p2−6)11B reactions has been measured in the energy range 40–65 MeV, using a tagged, linearly-polarized photon beam at the MAX-lab facility in Sweden. The asymmetry of the C12(γ→,p01)11B reaction to ground and first excited state of B11 is Σ≈0.82 over the measured energy range. The main contribution to the C12(γ→,p2−6)11B reaction to higher excited states comes from processes in which the residual nucleus is in the 3/2−(5.02 MeV) or 7/2−(6.74 MeV) excited states. The asymmetry of this reaction is Σ≈0.6, close to the value for free deuteron photodisintegration.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Carbon, Intermediate energy range, Linearly polarized photons, Photodisintegration, Photon beam asymmetry, Single-particle and two-particle mechanisms
in
Nuclear Physics A
volume
1048
article number
122891
publisher
Elsevier
external identifiers
  • scopus:85192689978
ISSN
0375-9474
DOI
10.1016/j.nuclphysa.2024.122891
language
English
LU publication?
yes
id
1a7600ee-8269-434c-976a-ea95b1585ef9
date added to LUP
2024-05-28 14:28:23
date last changed
2024-05-28 14:28:58
@article{1a7600ee-8269-434c-976a-ea95b1585ef9,
  abstract     = {{<p>The photon beam asymmetry of the C12(γ→,p<sub>01</sub>)<sup>11</sup>B and C12(γ→,p<sub>2−6</sub>)<sup>11</sup>B reactions has been measured in the energy range 40–65 MeV, using a tagged, linearly-polarized photon beam at the MAX-lab facility in Sweden. The asymmetry of the C12(γ→,p<sub>01</sub>)<sup>11</sup>B reaction to ground and first excited state of B11 is Σ≈0.82 over the measured energy range. The main contribution to the C12(γ→,p<sub>2−6</sub>)<sup>11</sup>B reaction to higher excited states comes from processes in which the residual nucleus is in the 3/2<sup>−</sup>(5.02 MeV) or 7/2<sup>−</sup>(6.74 MeV) excited states. The asymmetry of this reaction is Σ≈0.6, close to the value for free deuteron photodisintegration.</p>}},
  author       = {{Burdeinyi, D. D. and Ganenko, V. B. and Annand, J. R.M. and Jebali, R. Al and Hansen, K. and Fissum, K. and Brudvik, J. and Isaksson, L. and Livingston, K. and Nilsson, B. and Schroder, B.}},
  issn         = {{0375-9474}},
  keywords     = {{Carbon; Intermediate energy range; Linearly polarized photons; Photodisintegration; Photon beam asymmetry; Single-particle and two-particle mechanisms}},
  language     = {{eng}},
  publisher    = {{Elsevier}},
  series       = {{Nuclear Physics A}},
  title        = {{Study of C12(γ→,p)<sup>11</sup>B reactions with polarized photons at energy 40-65 MeV}},
  url          = {{http://dx.doi.org/10.1016/j.nuclphysa.2024.122891}},
  doi          = {{10.1016/j.nuclphysa.2024.122891}},
  volume       = {{1048}},
  year         = {{2024}},
}