Isoscalar giant monopole, dipole, and quadrupole resonances in Zr 90,92 and Mo 92

Y. K. Gupta; K. B. Howard; U. Garg; J. T. Matta; M. Şenyiǧit; M. Itoh; S. Ando; T. Aoki; A. Uchiyama; S. Adachi; M. Fujiwara; C. Iwamoto; A. Tamii; H. Akimune; C. Kadono; Y. Matsuda; T. Nakahara; T. Furuno; T. Kawabata; M. Tsumura; M. N. Harakeh; N. Kalantar-Nayestanaki

doi:10.1103/PhysRevC.97.064323

Isoscalar giant monopole, dipole, and quadrupole resonances in Zr 90,92 and Mo 92

Y. K. Gupta, K. B. Howard, U. Garg, J. T. Matta, M. Şenyiǧit, M. Itoh, S. Ando, T. Aoki, A. Uchiyama, S. Adachi, M. Fujiwara, C. Iwamoto, A. Tamii, H. Akimune, C. Kadono, Y. Matsuda, T. Nakahara, T. Furuno, T. Kawabata, M. TsumuraM. N. Harakeh, N. Kalantar-Nayestanaki

Radiation Imaging and Advanced Diagnosti

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Abstract

The isoscalar giant monopole, dipole, and quadrupole strength distributions have been deduced in Zr90,92 and Mo92 from "background-free" spectra of inelastic α-particle scattering at a beam energy of 385 MeV at extremely forward angles, including 0°. These strength distributions were extracted by a multipole-decomposition analysis based on the expected angular distributions of the respective multipoles. All these strength distributions for the three nuclei practically coincide with each other, affirming that giant resonances, being collective phenomena, are not influenced by nuclear shell structure near A∼90, contrary to the claim in a recent measurement.

Original language	English
Article number	064323
Journal	Physical Review C
Volume	97
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.97.064323
State	Published - Jun 29 2018

Funding

The authors acknowledge the efforts of the staff of the RCNP Ring Cyclotron Facility in providing a high-quality, halo-free beam required for the measurements reported here. This work has been supported in part by the U.S. National Science Foundation (Grants No. PHY-1419765 and PHY-1713857). M.\u015E. was supported by the Scientific and Technical Council of Turkey (T\u00DCB\u0130TAK) under the B\u0130DEB 2219 Scholarship program.

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Gupta, Y. K., Howard, K. B., Garg, U., Matta, J. T., Şenyiǧit, M., Itoh, M., Ando, S., Aoki, T., Uchiyama, A., Adachi, S., Fujiwara, M., Iwamoto, C., Tamii, A., Akimune, H., Kadono, C., Matsuda, Y., Nakahara, T., Furuno, T., Kawabata, T., ... Kalantar-Nayestanaki, N. (2018). Isoscalar giant monopole, dipole, and quadrupole resonances in Zr 90,92 and Mo 92. Physical Review C, 97(6), Article 064323. https://doi.org/10.1103/PhysRevC.97.064323

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title = "Isoscalar giant monopole, dipole, and quadrupole resonances in Zr 90,92 and Mo 92",

abstract = "The isoscalar giant monopole, dipole, and quadrupole strength distributions have been deduced in Zr90,92 and Mo92 from {"}background-free{"} spectra of inelastic α-particle scattering at a beam energy of 385 MeV at extremely forward angles, including 0°. These strength distributions were extracted by a multipole-decomposition analysis based on the expected angular distributions of the respective multipoles. All these strength distributions for the three nuclei practically coincide with each other, affirming that giant resonances, being collective phenomena, are not influenced by nuclear shell structure near A∼90, contrary to the claim in a recent measurement.",

author = "Gupta, {Y. K.} and Howard, {K. B.} and U. Garg and Matta, {J. T.} and M. {\c S}enyiǧit and M. Itoh and S. Ando and T. Aoki and A. Uchiyama and S. Adachi and M. Fujiwara and C. Iwamoto and A. Tamii and H. Akimune and C. Kadono and Y. Matsuda and T. Nakahara and T. Furuno and T. Kawabata and M. Tsumura and Harakeh, {M. N.} and N. Kalantar-Nayestanaki",

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year = "2018",

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day = "29",

doi = "10.1103/PhysRevC.97.064323",

language = "English",

volume = "97",

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Gupta, YK, Howard, KB, Garg, U, Matta, JT, Şenyiǧit, M, Itoh, M, Ando, S, Aoki, T, Uchiyama, A, Adachi, S, Fujiwara, M, Iwamoto, C, Tamii, A, Akimune, H, Kadono, C, Matsuda, Y, Nakahara, T, Furuno, T, Kawabata, T, Tsumura, M, Harakeh, MN & Kalantar-Nayestanaki, N 2018, 'Isoscalar giant monopole, dipole, and quadrupole resonances in Zr 90,92 and Mo 92', Physical Review C, vol. 97, no. 6, 064323. https://doi.org/10.1103/PhysRevC.97.064323

TY - JOUR

T1 - Isoscalar giant monopole, dipole, and quadrupole resonances in Zr 90,92 and Mo 92

AU - Gupta, Y. K.

AU - Howard, K. B.

AU - Garg, U.

AU - Matta, J. T.

AU - Şenyiǧit, M.

AU - Itoh, M.

AU - Ando, S.

AU - Aoki, T.

AU - Uchiyama, A.

AU - Adachi, S.

AU - Fujiwara, M.

AU - Iwamoto, C.

AU - Tamii, A.

AU - Akimune, H.

AU - Kadono, C.

AU - Matsuda, Y.

AU - Nakahara, T.

AU - Furuno, T.

AU - Kawabata, T.

AU - Tsumura, M.

AU - Harakeh, M. N.

AU - Kalantar-Nayestanaki, N.

PY - 2018/6/29

Y1 - 2018/6/29

N2 - The isoscalar giant monopole, dipole, and quadrupole strength distributions have been deduced in Zr90,92 and Mo92 from "background-free" spectra of inelastic α-particle scattering at a beam energy of 385 MeV at extremely forward angles, including 0°. These strength distributions were extracted by a multipole-decomposition analysis based on the expected angular distributions of the respective multipoles. All these strength distributions for the three nuclei practically coincide with each other, affirming that giant resonances, being collective phenomena, are not influenced by nuclear shell structure near A∼90, contrary to the claim in a recent measurement.

AB - The isoscalar giant monopole, dipole, and quadrupole strength distributions have been deduced in Zr90,92 and Mo92 from "background-free" spectra of inelastic α-particle scattering at a beam energy of 385 MeV at extremely forward angles, including 0°. These strength distributions were extracted by a multipole-decomposition analysis based on the expected angular distributions of the respective multipoles. All these strength distributions for the three nuclei practically coincide with each other, affirming that giant resonances, being collective phenomena, are not influenced by nuclear shell structure near A∼90, contrary to the claim in a recent measurement.

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Isoscalar giant monopole, dipole, and quadrupole resonances in Zr 90,92 and Mo 92

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