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Isoscalar and Isovector Splitting of Pygmy Dipole Structures
Physical Review Letters, 103 (2009), 3; 032502. https://doi.org/10.1103/PhysRevLett.103.032502
Paar, Nils; Niu, Y. F.; Vretenar, Dario; Meng, Jie

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Paar, N., Niu, Y. F., Vretenar, D. i Meng, J. (2009). Isoscalar and Isovector Splitting of Pygmy Dipole Structures. Physical Review Letters, 103. (3). doi: 10.1103/PhysRevLett.103.032502

Paar, Nils, et al. "Isoscalar and Isovector Splitting of Pygmy Dipole Structures." Physical Review Letters, vol. 103, br. 3, 2009. https://doi.org/10.1103/PhysRevLett.103.032502

Paar, Nils, Y. F. Niu, Dario Vretenar i Jie Meng. "Isoscalar and Isovector Splitting of Pygmy Dipole Structures." Physical Review Letters 103, br. 3 (2009). https://doi.org/10.1103/PhysRevLett.103.032502

Paar, N., et al. (2009) 'Isoscalar and Isovector Splitting of Pygmy Dipole Structures', Physical Review Letters, 103(3). doi: 10.1103/PhysRevLett.103.032502

Paar N, Niu YF, Vretenar D, Meng J. Isoscalar and Isovector Splitting of Pygmy Dipole Structures. Physical Review Letters [Internet]. 2009. [pristupljeno 07.12.2024.];103(3). doi: 10.1103/PhysRevLett.103.032502

N. Paar, Y. F. Niu, D. Vretenar i J. Meng, "Isoscalar and Isovector Splitting of Pygmy Dipole Structures", Physical Review Letters, vol. 103, br. 3, 2009. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:217:159646. [Citirano: 07.12.2024.]

Za citiranje koristite ovu mrežnu adresu: https://urn.nsk.hr/urn:nbn:hr:217:159646
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Podaci o radu
Naslov (engleski)Isoscalar and Isovector Splitting of Pygmy Dipole Structures
AutorNils Paar
AutorY. F. Niu
AutorDario Vretenar
AutorJie Meng
Autorova ustanovaSveučilište u Zagrebu
Prirodoslovno-matematički fakultet
(Fizički odsjek)
Znanstveno / umjetničko
područje, polje i grana		PRIRODNE ZNANOSTI
Fizika
Sažetak (engleski)
The electric dipole response of 140Ce is investigated using the fully consistent relativistic quasiparticle random phase approximation. By analyzing the isospin structure of the E1 response, it is shown that the low-energy (pygmy) strength separates into two segments with different isospin character. The more pronounced pygmy structure at lower energy is composed of predominantly isoscalar states with surface-peaked transition densities. At somewhat higher energy the calculated E1 strength is primarily of isovector character, as expected for the low-energy tail of the giant dipole resonance. The results are in qualitative agreement with those obtained in recent (gamma, gamma') and (alpha, alpha'gamma) experiments, and provide a simple explanation for the splitting of low-energy E1 strength into two groups of states with different isospin structure and radial dependence of the corresponding transition densities.
Ključne riječi (engleski)
Jezikengleski
Vrsta publikacijeZnanstveni rad - Izvorni znanstveni rad
Status objaveObjavljen
Vrsta recenzijeRecenziran - međunarodna recenzija
Verzija publikacijeObjavljena verzija rada (izdavačev PDF)
Naslov časopisaPhysical Review Letters
Brojčani podacivol. 103, br. 3, 032502
p-ISSN0031-9007
e-ISSN1079-7114
DOIhttps://doi.org/10.1103/PhysRevLett.103.032502
URN:NBNurn:nbn:hr:217:159646
Datum objave publikacije2009
URL dokumentahttp://link.aps.org/doi/10.1103/PhysRevLett.103.032502
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Zaštićeno autorskim pravom.
Javna napomenaCopyright (2009) by the American Physical Society. Received 14 April 2009; revised manuscript received 29 May 2009; published 17 July 2009.
Datum i vrijeme pohrane2019-10-20 18:38:35