Neutron skin thickness for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Pb</mml:mi><mml:mprescripts/><mml:none/><mml:mi>nat</mml:mi></mml:mmultiscripts></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998

Data on reaction cross section <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"><a:msub><a:mi>σ</a:mi><a:mi>R</a:mi></a:msub></a:math> of proton scattering are available for <b:math xmlns:b="http://www.w3.org/1998/Math/MathML"><b:mmultiscripts><b:mi>Pb</b:mi><b:mprescripts/><b:none/><b:mi>nat</b:mi></b:mmultiscripts></b:math> (natural lead) and <c:math xmlns:c="http://www.w3.org/1998/Math/MathML"><c:mmultiscripts><c:mi>Tb</c:mi><c:mprescripts/><c:none/><c:mn>159</c:mn></c:mmultiscripts></c:math>. In addition, data on <d:math xmlns:d="http://www.w3.org/1998/Math/MathML"><d:msub><d:mi>σ</d:mi><d:mi>R</d:mi></d:msub></d:math> and/or interaction ones <e:math xmlns:e="http://www.w3.org/1998/Math/MathML"><e:msub><e:mi>σ</e:mi><e:mi>I</e:mi></e:msub></e:math> are available for Mg, Na, and Ar isotopes. Our aim is to determine neutron skin thickness <f:math xmlns:f="http://www.w3.org/1998/Math/MathML"><f:msub><f:mi>r</f:mi><f:mi>skin</f:mi></f:msub></f:math> for <g:math xmlns:g="http://www.w3.org/1998/Math/MathML"><g:mmultiscripts><g:mi>Pb</g:mi><g:mprescripts/><g:none/><g:mi>nat</g:mi></g:mmultiscripts></g:math> and <h:math xmlns:h="http://www.w3.org/1998/Math/MathML"><h:mmultiscripts><h:mi>Tb</h:mi><h:mprescripts/><h:none/><h:mn>159</h:mn></h:mmultiscripts></h:math> and to investigate effects of deformation for Mg, Na, and Ar isotopes. We use the chiral (Kyushu) <i:math xmlns:i="http://www.w3.org/1998/Math/MathML"><i:mi>g</i:mi></i:math>-matrix folding model for lower energies and the folding model based on the Love-Franey (LF) <j:math xmlns:j="http://www.w3.org/1998/Math/MathML"><j:mi>t</j:mi></j:math>-matrix for higher energies. For <k:math xmlns:k="http://www.w3.org/1998/Math/MathML"><k:mmultiscripts><k:mi>Tb</k:mi><k:mprescripts/><k:none/><k:mn>159</k:mn></k:mmultiscripts></k:math>, our skin value is <l:math xmlns:l="http://www.w3.org/1998/Math/MathML"><l:mrow><l:msub><l:mi>r</l:mi><l:mi>skin</l:mi></l:msub><l:mo>=</l:mo><l:mn>0.273</l:mn><l:mo>±</l:mo><l:mn>0.073</l:mn></l:mrow></l:math> fm. As for <m:math xmlns:m="http://www.w3.org/1998/Math/MathML"><m:mmultiscripts><m:mi>Mg</m:mi><m:mprescripts/><m:none/><m:mn>24</m:mn></m:mmultiscripts></m:math>, our matter radius <n:math xmlns:n="http://www.w3.org/1998/Math/MathML"><n:mrow><n:msub><n:mi>r</n:mi><n:mi>m</n:mi></n:msub><n:mrow><n:mo>(</n:mo><n:msub><n:mi>σ</n:mi><n:mi>R</n:mi></n:msub><n:mo>)</n:mo></n:mrow><n:mo>=</n:mo><n:mn>3.03</n:mn><n:mo>±</n:mo><n:mn>0.08</n:mn></n:mrow></n:math> fm determined from <o:math xmlns:o="http://www.w3.org/1998/Math/MathML"><o:msub><o:mi>σ</o:mi><o:mi>R</o:mi></o:msub></o:math> includes effects of deformation, whereas the corresponding <p:math xmlns:p="http://www.w3.org/1998/Math/MathML"><p:mrow><p:msub><p:mi>r</p:mi><p:mi>m</p:mi></p:msub><p:mrow><p:mo>(</p:mo><p:msub><p:mi>σ</p:mi><p:mi>I</p:mi></p:msub><p:mo>)</p:mo></p:mrow><p:mo>=</p:mo><p:mn>2.79</p:mn><p:mo>±</p:mo><p:mn>0.15</p:mn></p:mrow></p:math> fm does not. Effects of deformation are seen for Mg isotopes, <q:math xmlns:q="http://www.w3.org/1998/Math/MathML"><q:mmultiscripts><q:mi>Na</q:mi><q:mprescripts/><q:none/><q:mrow><q:mn>21</q:mn><q:mo>,</q:mo><q:mn>23</q:mn></q:mrow></q:mmultiscripts></q:math>, and <r:math xmlns:r="http://www.w3.org/1998/Math/MathML"><r:mmultiscripts><r:mi>Ar</r:mi><r:mprescripts/><r:none/><r:mn>40</r:mn></r:mmultiscripts></r:math>. Our result <s:math xmlns:s="http://www.w3.org/1998/Math/MathML"><s:mrow><s:msub><s:mi>r</s:mi><s:mi>skin</s:mi></s:msub><s:mo>=</s:mo><s:mn>0.271</s:mn><s:mo>±</s:mo><s:mn>0.008</s:mn></s:mrow></s:math> fm for <t:math xmlns:t="http://www.w3.org/1998/Math/MathML"><t:mmultiscripts><t:mi>Pb</t:mi><t:mprescripts/><t:none/><t:mi>nat</t:mi></t:mmultiscripts></t:math> agrees with <u:math xmlns:u="http://www.w3.org/1998/Math/MathML"><u:mrow><u:msubsup><u:mi>r</u:mi><u:mrow><u:mi>skin</u:mi></u:mrow><u:mn>208</u:mn></u:msubsup><u:mrow><u:mo>(</u:mo><u:mrow><u:mi>PREX</u:mi><u:mtext>−</u:mtext><u:mi>II</u:mi></u:mrow><u:mo>)</u:mo></u:mrow><u:mo>=</u:mo><u:mn>0.283</u:mn><u:mo>±</u:mo><u:mn>0.071</u:mn></u:mrow></u:math> fm for <v:math xmlns:v="http://www.w3.org/1998/Math/MathML"><v:mmultiscripts><v:mi>Pb</v:mi><v:mprescripts/><v:none/><v:mn>208</v:mn></v:mmultiscripts></v:math>, where we assume <w:math xmlns:w="http://www.w3.org/1998/Math/MathML"><w:mrow><w:mi>A</w:mi><w:mo>=</w:mo><w:mn>208</w:mn></w:mrow></w:math> for <x:math xmlns:x="http://www.w3.org/1998/Math/MathML"><x:mmultiscripts><x:mi>Pb</x:mi><x:mprescripts/><x:none/><x:mi>nat</x:mi></x:mmultiscripts></x:math>.

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Journal
Physical review. C
Published
2025-06-02
DOI
https://doi.org/10.1103/pnrl-pwky
Primary Topic
Nuclear physics research studies
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article
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article

Neutron skin thickness for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Pb</mml:mi><mml:mprescripts/><mml:none/><mml:mi>nat</mml:mi></mml:mmultiscripts></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998

Masanobu Yahiro, Takayuki Myo, Shingo Tagami
Physical review. C
Nuclear physics research studies
article

Neutron skin thickness for <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Pb</mml:mi><mml:mprescripts/><mml:none/><mml:mi>nat</mml:mi></mml:mmultiscripts></mml:math> and <mml:math xmlns:mml="http://www.w3.org/1998

Masanobu Yahiro, Takayuki Myo, Shingo Tagami
article en

Abstract

Data on reaction cross section <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"><a:msub><a:mi>σ</a:mi><a:mi>R</a:mi></a:msub></a:math> of proton scattering are available for <b:math xmlns:b="http://www.w3.org/1998/Math/MathML"><b:mmultiscripts><b:mi>Pb</b:mi><b:mprescripts/><b:none/><b:mi>nat</b:mi></b:mmultiscripts></b:math> (natural lead) and <c:math xmlns:c="http://www.w3.org/1998/Math/MathML"><c:mmultiscripts><c:mi>Tb</c:mi><c:mprescripts/><c:none/><c:mn>159</c:mn></c:mmultiscripts></c:math>. In addition, data on <d:math xmlns:d="http://www.w3.org/1998/Math/MathML"><d:msub><d:mi>σ</d:mi><d:mi>R</d:mi></d:msub></d:math> and/or interaction ones <e:math xmlns:e="http://www.w3.org/1998/Math/MathML"><e:msub><e:mi>σ</e:mi><e:mi>I</e:mi></e:msub></e:math> are available for Mg, Na, and Ar isotopes. Our aim is to determine neutron skin thickness <f:math xmlns:f="http://www.w3.org/1998/Math/MathML"><f:msub><f:mi>r</f:mi><f:mi>skin</f:mi></f:msub></f:math> for <g:math xmlns:g="http://www.w3.org/1998/Math/MathML"><g:mmultiscripts><g:mi>Pb</g:mi><g:mprescripts/><g:none/><g:mi>nat</g:mi></g:mmultiscripts></g:math> and <h:math xmlns:h="http://www.w3.org/1998/Math/MathML"><h:mmultiscripts><h:mi>Tb</h:mi><h:mprescripts/><h:none/><h:mn>159</h:mn></h:mmultiscripts></h:math> and to investigate effects of deformation for Mg, Na, and Ar isotopes. We use the chiral (Kyushu) <i:math xmlns:i="http://www.w3.org/1998/Math/MathML"><i:mi>g</i:mi></i:math>-matrix folding model for lower energies and the folding model based on the Love-Franey (LF) <j:math xmlns:j="http://www.w3.org/1998/Math/MathML"><j:mi>t</j:mi></j:math>-matrix for higher energies. For <k:math xmlns:k="http://www.w3.org/1998/Math/MathML"><k:mmultiscripts><k:mi>Tb</k:mi><k:mprescripts/><k:none/><k:mn>159</k:mn></k:mmultiscripts></k:math>, our skin value is <l:math xmlns:l="http://www.w3.org/1998/Math/MathML"><l:mrow><l:msub><l:mi>r</l:mi><l:mi>skin</l:mi></l:msub><l:mo>=</l:mo><l:mn>0.273</l:mn><l:mo>±</l:mo><l:mn>0.073</l:mn></l:mrow></l:math> fm. As for <m:math xmlns:m="http://www.w3.org/1998/Math/MathML"><m:mmultiscripts><m:mi>Mg</m:mi><m:mprescripts/><m:none/><m:mn>24</m:mn></m:mmultiscripts></m:math>, our matter radius <n:math xmlns:n="http://www.w3.org/1998/Math/MathML"><n:mrow><n:msub><n:mi>r</n:mi><n:mi>m</n:mi></n:msub><n:mrow><n:mo>(</n:mo><n:msub><n:mi>σ</n:mi><n:mi>R</n:mi></n:msub><n:mo>)</n:mo></n:mrow><n:mo>=</n:mo><n:mn>3.03</n:mn><n:mo>±</n:mo><n:mn>0.08</n:mn></n:mrow></n:math> fm determined from <o:math xmlns:o="http://www.w3.org/1998/Math/MathML"><o:msub><o:mi>σ</o:mi><o:mi>R</o:mi></o:msub></o:math> includes effects of deformation, whereas the corresponding <p:math xmlns:p="http://www.w3.org/1998/Math/MathML"><p:mrow><p:msub><p:mi>r</p:mi><p:mi>m</p:mi></p:msub><p:mrow><p:mo>(</p:mo><p:msub><p:mi>σ</p:mi><p:mi>I</p:mi></p:msub><p:mo>)</p:mo></p:mrow><p:mo>=</p:mo><p:mn>2.79</p:mn><p:mo>±</p:mo><p:mn>0.15</p:mn></p:mrow></p:math> fm does not. Effects of deformation are seen for Mg isotopes, <q:math xmlns:q="http://www.w3.org/1998/Math/MathML"><q:mmultiscripts><q:mi>Na</q:mi><q:mprescripts/><q:none/><q:mrow><q:mn>21</q:mn><q:mo>,</q:mo><q:mn>23</q:mn></q:mrow></q:mmultiscripts></q:math>, and <r:math xmlns:r="http://www.w3.org/1998/Math/MathML"><r:mmultiscripts><r:mi>Ar</r:mi><r:mprescripts/><r:none/><r:mn>40</r:mn></r:mmultiscripts></r:math>. Our result <s:math xmlns:s="http://www.w3.org/1998/Math/MathML"><s:mrow><s:msub><s:mi>r</s:mi><s:mi>skin</s:mi></s:msub><s:mo>=</s:mo><s:mn>0.271</s:mn><s:mo>±</s:mo><s:mn>0.008</s:mn></s:mrow></s:math> fm for <t:math xmlns:t="http://www.w3.org/1998/Math/MathML"><t:mmultiscripts><t:mi>Pb</t:mi><t:mprescripts/><t:none/><t:mi>nat</t:mi></t:mmultiscripts></t:math> agrees with <u:math xmlns:u="http://www.w3.org/1998/Math/MathML"><u:mrow><u:msubsup><u:mi>r</u:mi><u:mrow><u:mi>skin</u:mi></u:mrow><u:mn>208</u:mn></u:msubsup><u:mrow><u:mo>(</u:mo><u:mrow><u:mi>PREX</u:mi><u:mtext>−</u:mtext><u:mi>II</u:mi></u:mrow><u:mo>)</u:mo></u:mrow><u:mo>=</u:mo><u:mn>0.283</u:mn><u:mo>±</u:mo><u:mn>0.071</u:mn></u:mrow></u:math> fm for <v:math xmlns:v="http://www.w3.org/1998/Math/MathML"><v:mmultiscripts><v:mi>Pb</v:mi><v:mprescripts/><v:none/><v:mn>208</v:mn></v:mmultiscripts></v:math>, where we assume <w:math xmlns:w="http://www.w3.org/1998/Math/MathML"><w:mrow><w:mi>A</w:mi><w:mo>=</w:mo><w:mn>208</w:mn></w:mrow></w:math> for <x:math xmlns:x="http://www.w3.org/1998/Math/MathML"><x:mmultiscripts><x:mi>Pb</x:mi><x:mprescripts/><x:none/><x:mi>nat</x:mi></x:mmultiscripts></x:math>.

Physical review. CVol. 112(1)
Kyushu University (JP), Osaka Institute of Technology (JP)
Openalex Percentile: Top 94%
Nuclear physics research studies
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