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Rotational bands on two-particle configurations with Kn=Kp=12

Identifieur interne : 002321 ( Istex/Corpus ); précédent : 002320; suivant : 002322

Rotational bands on two-particle configurations with Kn=Kp=12

Auteurs : H. Ryde ; G. D. Symons ; Z. Szyma Ski

Source :

RBID : ISTEX:9DCA83567FBD61E4A1DD80B64336342237BC53A9

English descriptors

Abstract

Abstract: Low-lying energy levels in the odd deformed nucleus 170Tm are studied by means of Coulomb excitation with heavy ions and by the 169Tm(d, p)170Tm reaction. The results are analysed in terms of the rotational model withassumption of two rotational K=1 and K=0 bands coupled by Coriolis interaction. The 150 keV splitting between the two bands is found to be predominantly due to the neutron-proton residual force. The sequence of levels in the ground state K=1 rotational band is proposed. As a part of this experiment, the Coulomb excitation of 170Yb has also been studied. The following members of the ground state rotational band are seen: 84(2+), 278(4+) and 567 keV (6+). The intrinsic quadrupole moment, Q0 (170Yb), obtained from this measurement is 7.40±0.40 b. The Q-value for the 169Tm(d, p)170Tm reaction is measured to be 4420±20 keV.

Url:
DOI: 10.1016/0029-5582(66)90087-3

Links to Exploration step

ISTEX:9DCA83567FBD61E4A1DD80B64336342237BC53A9

Le document en format XML

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<ce:given-name>H.</ce:given-name>
<ce:surname>Ryde</ce:surname>
<ce:cross-ref refid="FN1">
<ce:sup></ce:sup>
</ce:cross-ref>
</ce:author>
<ce:author>
<ce:given-name>G.D.</ce:given-name>
<ce:surname>Symons</ce:surname>
<ce:cross-ref refid="FN2">
<ce:sup>††</ce:sup>
</ce:cross-ref>
</ce:author>
<ce:author>
<ce:given-name>Z.</ce:given-name>
<ce:surname>Szymański</ce:surname>
<ce:cross-ref refid="FN3">
<ce:sup>†††</ce:sup>
</ce:cross-ref>
</ce:author>
<ce:affiliation>
<ce:textfn>California Institute of Technology, Pasadena, California, USA
<ce:cross-ref refid="FN1">
<ce:sup></ce:sup>
</ce:cross-ref>
</ce:textfn>
</ce:affiliation>
<ce:footnote id="FN1">
<ce:label></ce:label>
<ce:note-para>On leave of absence from the Research Institute for Physics, Stockholm 50, Sweden.</ce:note-para>
</ce:footnote>
<ce:footnote id="FN2">
<ce:label>††</ce:label>
<ce:note-para>Present address: The Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark.</ce:note-para>
</ce:footnote>
<ce:footnote id="FN3">
<ce:label>†††</ce:label>
<ce:note-para>On leave of absence from the Institute for Nuclear Research and the University of Warsaw, Warsaw, Poland.</ce:note-para>
</ce:footnote>
</ce:author-group>
<ce:date-received day="2" month="12" year="1965"></ce:date-received>
<ce:abstract>
<ce:section-title>Abstract</ce:section-title>
<ce:abstract-sec>
<ce:simple-para>Low-lying energy levels in the odd deformed nucleus
<ce:sup loc="pre">170</ce:sup>
Tm are studied by means of Coulomb excitation with heavy ions and by the
<ce:sup loc="pre">169</ce:sup>
Tm(d, p)
<ce:sup loc="pre">170</ce:sup>
Tm reaction. The results are analysed in terms of the rotational model withassumption of two rotational
<ce:italic>K</ce:italic>
=1 and
<ce:italic>K</ce:italic>
=0 bands coupled by Coriolis interaction. The 150 keV splitting between the two bands is found to be predominantly due to the neutron-proton residual force. The sequence of levels in the ground state
<ce:italic>K</ce:italic>
=1 rotational band is proposed.</ce:simple-para>
<ce:simple-para>As a part of this experiment, the Coulomb excitation of
<ce:sup loc="pre">170</ce:sup>
Yb has also been studied. The following members of the ground state rotational band are seen: 84(2
<ce:sup>+</ce:sup>
), 278(4
<ce:sup>+</ce:sup>
) and 567 keV (6
<ce:sup>+</ce:sup>
). The intrinsic quadrupole moment,
<math altimg="si2.gif">Q
<inf>0</inf>
(
<sup loc="pre">170</sup>
<rm>Yb</rm>
)</math>
, obtained from this measurement is 7.40±0.40 b. The
<ce:italic>Q</ce:italic>
-value for the
<ce:sup loc="pre">169</ce:sup>
Tm(d, p)
<ce:sup loc="pre">170</ce:sup>
Tm reaction is measured to be 4420±20 keV.</ce:simple-para>
</ce:abstract-sec>
</ce:abstract>
<ce:keywords>
<ce:section-title>Keywords</ce:section-title>
<ce:keyword>
<ce:text>NUCLEAR REACTIONS
<math altimg="si3.gif">
<sup loc="pre">169</sup>
<rm>Tm</rm>
(
<rm>d, p</rm>
), E=11, 12
<rm>MeV</rm>
</math>
</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>measured
<ce:italic>σ</ce:italic>
(
<ce:italic>E</ce:italic>
<ce:inf>p</ce:inf>
,
<ce:italic>Q</ce:italic>
</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>
<ce:sup loc="pre">170</ce:sup>
Tm deduced levels</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>
<ce:sup loc="pre">170</ce:sup>
Tm,
<math altimg="si4.gif">
<sup loc="pre">170</sup>
<rm>Yb</rm>
(
<sup loc="pre">16</sup>
<rm>O</rm>
,
<sup loc="pre">16</sup>
<rm>O</rm>
′γ), E=42
<rm>MeV</rm>
</math>
</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>measured
<ce:italic>E</ce:italic>
<ce:inf>
<ce:italic>γ</ce:italic>
</ce:inf>
,
<ce:italic>I</ce:italic>
<ce:inf>
<ce:italic>γ</ce:italic>
</ce:inf>
<ce:sup loc="pre">170</ce:sup>
Yb deduced
<ce:italic>Q</ce:italic>
<ce:inf>0</ce:inf>
</ce:text>
</ce:keyword>
<ce:keyword>
<ce:text>Enriched targets</ce:text>
</ce:keyword>
</ce:keywords>
</head>
</converted-article>
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<titleInfo>
<title>Rotational bands on two-particle configurations with Kn=Kp=12</title>
</titleInfo>
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<title>Rotational bands on two-particle configurations with</title>
</titleInfo>
<name type="personal">
<namePart type="given">H.</namePart>
<namePart type="family">Ryde</namePart>
<affiliation>California Institute of Technology, Pasadena, California, USA</affiliation>
<description>On leave of absence from the Research Institute for Physics, Stockholm 50, Sweden.</description>
<role>
<roleTerm type="text">author</roleTerm>
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<name type="personal">
<namePart type="given">G.D.</namePart>
<namePart type="family">Symons</namePart>
<affiliation>California Institute of Technology, Pasadena, California, USA</affiliation>
<description>Present address: The Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark.</description>
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<namePart type="family">Szymański</namePart>
<affiliation>California Institute of Technology, Pasadena, California, USA</affiliation>
<description>On leave of absence from the Institute for Nuclear Research and the University of Warsaw, Warsaw, Poland.</description>
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<publisher>ELSEVIER</publisher>
<dateIssued encoding="w3cdtf">1966</dateIssued>
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<abstract lang="en">Abstract: Low-lying energy levels in the odd deformed nucleus 170Tm are studied by means of Coulomb excitation with heavy ions and by the 169Tm(d, p)170Tm reaction. The results are analysed in terms of the rotational model withassumption of two rotational K=1 and K=0 bands coupled by Coriolis interaction. The 150 keV splitting between the two bands is found to be predominantly due to the neutron-proton residual force. The sequence of levels in the ground state K=1 rotational band is proposed. As a part of this experiment, the Coulomb excitation of 170Yb has also been studied. The following members of the ground state rotational band are seen: 84(2+), 278(4+) and 567 keV (6+). The intrinsic quadrupole moment, Q0 (170Yb), obtained from this measurement is 7.40±0.40 b. The Q-value for the 169Tm(d, p)170Tm reaction is measured to be 4420±20 keV.</abstract>
<subject>
<genre>Keywords</genre>
<topic>NUCLEAR REACTIONS 169Tm(d, p), E=11, 12 MeV</topic>
<topic>measured σ(Ep, Q</topic>
<topic>170Tm deduced levels</topic>
<topic>170Tm, 170Yb(16O, 16O′γ), E=42 MeV</topic>
<topic>measured Eγ, Iγ 170Yb deduced Q0</topic>
<topic>Enriched targets</topic>
</subject>
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<title>Nuclear Physics</title>
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<originInfo>
<publisher>ELSEVIER</publisher>
<dateIssued encoding="w3cdtf">196605</dateIssued>
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<identifier type="ISSN">0029-5582</identifier>
<identifier type="PII">S0029-5582(00)X0097-1</identifier>
<part>
<date>196605</date>
<detail type="volume">
<number>80</number>
<caption>vol.</caption>
</detail>
<detail type="issue">
<number>2</number>
<caption>no.</caption>
</detail>
<extent unit="issue-pages">
<start>241</start>
<end>480</end>
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<start>241</start>
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<identifier type="DOI">10.1016/0029-5582(66)90087-3</identifier>
<identifier type="PII">0029-5582(66)90087-3</identifier>
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