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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003328naa a2200649 4500
001oai:DiVA.org:kth-134254
003SwePub
008131120s2013 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-1342542 URI
024a https://doi.org/10.1103/PhysRevLett.110.2425022 DOI
040 a (SwePub)kth
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Andreyev, A. N.4 aut
2451 0a Signatures of the Z=82 shell closure in alpha-decay process
264 1b American Physical Society (APS),c 2013
338 a print2 rdacarrier
500 a QC 20131121
520 a In recent experiments at the velocity filter Separator for Heavy Ion reaction Products (SHIP) (GSI, Darmstadt), an extended and improved set of α-decay data for more than 20 of the most neutron-deficient isotopes in the region from lead to thorium was obtained. The combined analysis of this newly available α-decay data, of which the Po186 decay is reported here, allowed us for the first time to clearly show that crossing the Z=82 shell to higher proton numbers strongly accelerates the α decay. From the experimental data, the α-particle formation probabilities are deduced following the Universal Decay Law approach. The formation probabilities are discussed in the framework of the pairing force acting among the protons and the neutrons forming the α particle. A striking resemblance between the phenomenological pairing gap deduced from experimental binding energies and the formation probabilities is noted. These findings support the conjecture that both the N=126 and Z=82 shell closures strongly influence the α-formation probability.
650 7a NATURVETENSKAPx Fysikx Annan fysik0 (SwePub)103992 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Other Physics Topics0 (SwePub)103992 hsv//eng
653 a Combined analysis
653 a Decay law
653 a Decay process
653 a Experimental datum
653 a Heavy-ion reactions
653 a Particle formations
653 a Shell closures
653 a Velocity filters
700a Huyse, M.4 aut
700a Van Duppen, P.4 aut
700a Qi, Chongu KTH,Kärnfysik4 aut0 (Swepub:kth)u1orba8n
700a Liotta, Roberto J.u KTH,Kärnfysik4 aut0 (Swepub:kth)u11fc94s
700a Antalic, S.4 aut
700a Ackermann, D.4 aut
700a Franchoo, S.4 aut
700a Heßberger, F. P.4 aut
700a Hofmann, S.4 aut
700a Kojouharov, I.4 aut
700a Kindler, B.4 aut
700a Kuusiniemi, P.4 aut
700a Lesher, S. R.4 aut
700a Lommel, B.4 aut
700a Mann, R.4 aut
700a Nishio, K.4 aut
700a Page, R. D.4 aut
700a Streicher, B.4 aut
700a Šáro, Š.4 aut
700a Sulignano, B.4 aut
700a Wiseman, D.4 aut
700a Wyss, Ramon A .u KTH,Kärnfysik4 aut0 (Swepub:kth)u1ayc3r9
710a KTHb Kärnfysik4 org
773t Physical Review Lettersd : American Physical Society (APS)g 110:24q 110:24x 0031-9007x 1079-7114
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-134254
8564 8u https://doi.org/10.1103/PhysRevLett.110.242502

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