Measurement of the Cross Section for Electromagnetic Dissociation with Neutron Emission in Pb-Pb Collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mi>NN</mml:mi></mml:msub></mml:msqrt><mml:mo mathvariant="bold">=</mml:mo><mml:mn>2.76</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>TeV</mml:mi></mml:math>

DOI DOI HANDLE HANDLE HANDLE ほか17件をすべて表示 一部だけ表示 研究データあり 被引用文献42件 参考文献16件 オープンアクセス

書誌事項

公開日
2012-12-19
資源種別
journal article
権利情報
  • http://creativecommons.org/licenses/by/3.0/
DOI
  • 10.1103/physrevlett.109.252302
  • 10.48550/arxiv.1203.2436
公開者
American Physical Society (APS)

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説明

The first measurement of neutron emission in electromagnetic dissociation of $^{208}$Pb nuclei at the LHC is presented. The measurement is performed using the neutron Zero Degree Calorimeters of the ALICE experiment, which detect neutral particles close to beam rapidity. The measured cross sections of single and mutual electromagnetic dissociation of Pb nuclei at $\sqrt{s_{\rm NN}}$ = 2.76 TeV with neutron emission are $��_{\rm single\ EMD} = 187.4\pm0.2$ (stat.) $^{+13.2} _{-11.2}$ (syst.) b and $��_{\rm mutual\ EMD} = 5.7\pm0.1$ (stat.) $\pm$0.4 (syst.) b, respectively. The experimental results are compared to the predictions from a relativistic electromagnetic dissociation model.

15 pages, 5 captioned figures, 2 tables, authors from page 10, published version, figures at http://aliceinfo.cern.ch/ArtSubmission/node/2868

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