Podolyak, Zs., Shand, C. M., Lalovic, N., Gerl, J., Rudolph, D., Alexander, T., Boutachkov, P., Cortes, M. L., Gorska, M., Kojouharov, I., Kurz, N., Louchart, C., Merchan, E., Michelagnoli, C., Perez-Vidal, R. M., Pietri, S., Ralet, D., Reese, M., Schaffner, H., Stahl, Ch., Weick, H., Ameil, F., de Angelis, G., Arici, T., Carroll, R., Dombradi, Zs., Gadea, A., Golubev, P., Lettmann, M., Lizarazo, C., Mahboub, D., Pai, H., Patel, Z., Pietralla, N., Regan, P. H., Sarmiento, L. G., Wieland, O., Wilson, E., Birkenbach, B., Bruyneel, B., Burrows, I., Charles, L., Clement, E., Crespi, F. C. L., Cullen, D. M., Desesquelles, P., Eberth, J., Gonzalez, V., Habermann, T., Harkness-Brennan, L., Hess, H., Judson, D. S., Jungclaus, A., Korten, W., Labiche, M., Maj, A., Mengoni, D., Napoli, D. R., Pullia, A., Quintana, B., Rainovski, G., Reiter, P., Salsac, M. D., Sanchis, E. and Dobon, J. J. Valiente (2016). Role of the Delta Resonance in the Population of a Four-Nucleon State in the Fe-56 -> Fe-54 Reaction at Relativistic Energies. Phys. Rev. Lett., 117 (22). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1079-7114

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Abstract

The Fe-54 nucleus was populated from a Fe-56 beam impinging on a Be target with an energy of E/A = 500 MeV. The internal decay via gamma-ray emission of the 10(+) metastable state was observed. As the structure of this isomeric state has to involve at least four unpaired nucleons, it cannot be populated in a simple two-neutron removal reaction from the Fe-56 ground state. The isomeric state was produced in the low-momentum (-energy) tail of the parallel momentum (energy) distribution of Fe-54, suggesting that it was populated via the decay of the Delta(0) resonance into a proton. This process allows the population of fournucleon states, such as the observed isomer. Therefore, it is concluded that the observation of this 10(+) metastable state in Fe-54 is a consequence of the quark structure of the nucleons.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Podolyak, Zs.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Shand, C. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lalovic, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gerl, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rudolph, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Alexander, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Boutachkov, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cortes, M. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gorska, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kojouharov, I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kurz, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Louchart, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Merchan, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Michelagnoli, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Perez-Vidal, R. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pietri, S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ralet, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reese, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schaffner, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Stahl, Ch.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Weick, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ameil, F.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
de Angelis, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Arici, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Carroll, R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dombradi, Zs.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gadea, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Golubev, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lettmann, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Lizarazo, C.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mahboub, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pai, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Patel, Z.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pietralla, N.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Regan, P. H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sarmiento, L. G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wieland, O.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Wilson, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Birkenbach, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Bruyneel, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Burrows, I.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Charles, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Clement, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Crespi, F. C. L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cullen, D. M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Desesquelles, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Eberth, J.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Gonzalez, V.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Habermann, T.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Harkness-Brennan, L.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hess, H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Judson, D. S.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Jungclaus, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Korten, W.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Labiche, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Maj, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Mengoni, D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Napoli, D. R.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pullia, A.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Quintana, B.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Rainovski, G.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiter, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Salsac, M. D.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Sanchis, E.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Dobon, J. J. ValienteUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-255509
DOI: 10.1103/PhysRevLett.117.222302
Journal or Publication Title: Phys. Rev. Lett.
Volume: 117
Number: 22
Date: 2016
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1079-7114
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
FRAGMENTATION; NUCLEI; EXCITATIONS; ISOTOPES; MOMENT; DECAY; MODEL; GSIMultiple languages
Physics, MultidisciplinaryMultiple languages
Refereed: Yes
URI: http://kups.ub.uni-koeln.de/id/eprint/25550

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