Decomposing spin-dipole resonances by complete polarization transfer measurements

Tomotsugu Wakasa, M. Okamoto, M. Dozono, K. Hatanaka, M. Ichimura, S. Kuroita, Y. Maeda, H. Miyasako, Tetsuo Noro, T. Saito, Y. Sakemi, T. Yabe, K. Yako

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We report measurements of cross sections and analyzing powers for reaction angles of θlab = 0.0°-10.0° and complete sets of polarization transfer observables and induced polarizations at θlab = 0.0°-7.0° for the 208Pb(p,n) reaction at a bombarding energy of Tp = 296 MeV. A multipole decomposition technique was applied to the data to extract the spin-dipole (SD) components from the continuum. The polarization observables were also used, for the first time, to separate the SD components into different spin-parity transfer (ΔJπ = 0-, 1-, and 2-) contributions. The SD strength distributions were clearly dependent on ΔJπ, which is reasonably reproduced by Hartree-Fock (HF) plus random phase approximation (RPA) calculations that include the Skyrme interaction with tensor components [C. L. Bai et al., Phys. Rev. C 83, 054316 (2011)].

Original languageEnglish
Title of host publicationInternational Conference on Recent Trends in Nuclear Physics-2012, ICRTNP 2012
Pages46-51
Number of pages6
DOIs
Publication statusPublished - May 6 2013
EventInternational Conference on Recent Trends in Nuclear Physics-2012, ICRTNP 2012 - Barotiwala, India
Duration: Nov 19 2012Nov 21 2012

Publication series

NameAIP Conference Proceedings
Volume1524
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

OtherInternational Conference on Recent Trends in Nuclear Physics-2012, ICRTNP 2012
CountryIndia
CityBarotiwala
Period11/19/1211/21/12

Fingerprint

polarization
dipoles
induced polarization
degradation
energy
extracts
cross section
decomposition
methodology
multipoles
parity
tensors
continuums
cross sections
approximation
interactions
calculation
distribution

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science
  • Physics and Astronomy(all)
  • Nature and Landscape Conservation

Cite this

Wakasa, T., Okamoto, M., Dozono, M., Hatanaka, K., Ichimura, M., Kuroita, S., ... Yako, K. (2013). Decomposing spin-dipole resonances by complete polarization transfer measurements. In International Conference on Recent Trends in Nuclear Physics-2012, ICRTNP 2012 (pp. 46-51). (AIP Conference Proceedings; Vol. 1524). https://doi.org/10.1063/1.4801675

Decomposing spin-dipole resonances by complete polarization transfer measurements. / Wakasa, Tomotsugu; Okamoto, M.; Dozono, M.; Hatanaka, K.; Ichimura, M.; Kuroita, S.; Maeda, Y.; Miyasako, H.; Noro, Tetsuo; Saito, T.; Sakemi, Y.; Yabe, T.; Yako, K.

International Conference on Recent Trends in Nuclear Physics-2012, ICRTNP 2012. 2013. p. 46-51 (AIP Conference Proceedings; Vol. 1524).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wakasa, T, Okamoto, M, Dozono, M, Hatanaka, K, Ichimura, M, Kuroita, S, Maeda, Y, Miyasako, H, Noro, T, Saito, T, Sakemi, Y, Yabe, T & Yako, K 2013, Decomposing spin-dipole resonances by complete polarization transfer measurements. in International Conference on Recent Trends in Nuclear Physics-2012, ICRTNP 2012. AIP Conference Proceedings, vol. 1524, pp. 46-51, International Conference on Recent Trends in Nuclear Physics-2012, ICRTNP 2012, Barotiwala, India, 11/19/12. https://doi.org/10.1063/1.4801675
Wakasa T, Okamoto M, Dozono M, Hatanaka K, Ichimura M, Kuroita S et al. Decomposing spin-dipole resonances by complete polarization transfer measurements. In International Conference on Recent Trends in Nuclear Physics-2012, ICRTNP 2012. 2013. p. 46-51. (AIP Conference Proceedings). https://doi.org/10.1063/1.4801675
Wakasa, Tomotsugu ; Okamoto, M. ; Dozono, M. ; Hatanaka, K. ; Ichimura, M. ; Kuroita, S. ; Maeda, Y. ; Miyasako, H. ; Noro, Tetsuo ; Saito, T. ; Sakemi, Y. ; Yabe, T. ; Yako, K. / Decomposing spin-dipole resonances by complete polarization transfer measurements. International Conference on Recent Trends in Nuclear Physics-2012, ICRTNP 2012. 2013. pp. 46-51 (AIP Conference Proceedings).
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AU - Dozono, M.

AU - Hatanaka, K.

AU - Ichimura, M.

AU - Kuroita, S.

AU - Maeda, Y.

AU - Miyasako, H.

AU - Noro, Tetsuo

AU - Saito, T.

AU - Sakemi, Y.

AU - Yabe, T.

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AB - We report measurements of cross sections and analyzing powers for reaction angles of θlab = 0.0°-10.0° and complete sets of polarization transfer observables and induced polarizations at θlab = 0.0°-7.0° for the 208Pb(p,n) reaction at a bombarding energy of Tp = 296 MeV. A multipole decomposition technique was applied to the data to extract the spin-dipole (SD) components from the continuum. The polarization observables were also used, for the first time, to separate the SD components into different spin-parity transfer (ΔJπ = 0-, 1-, and 2-) contributions. The SD strength distributions were clearly dependent on ΔJπ, which is reasonably reproduced by Hartree-Fock (HF) plus random phase approximation (RPA) calculations that include the Skyrme interaction with tensor components [C. L. Bai et al., Phys. Rev. C 83, 054316 (2011)].

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