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Measurement of the cross section for electromagnetic cissociation with neutron emission in Pb-pb collisions at √sNN=2.76  TeV

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The first measurement of neutron emission in electromagnetic dissociation of 208Pb 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 si...

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Main Authors: Abelev, Betty (Author) , Busch, Oliver (Author) , Engel, Heiko (Author) , Glässel, Peter (Author) , Grajcarek, Robert (Author) , Herrmann, Norbert (Author) , Krawutschke, Tobias (Author) , Kweon, MinJung (Author) , Lara Martinez, Camilo Ernesto (Author) , Lohner, Daniel (Author) , Mercado Pérez, Jorge (Author) , Oyama, Ken (Author) , Pachmayer, Yvonne C. (Author) , Reygers, Klaus (Author) , Schicker, Rainer (Author) , Schweda, Kai (Author) , Stachel, Johanna (Author) , Ulrich, Joachim (Author) , Vallero, Sara (Author) , Wiechula, Jens (Author) , Windelband, Bernd (Author) , Zelnicek, Pierre (Author) , Zimmermann, Alice (Author)
Corporate Author: ALICE (Author)
Format: Article (Journal)
Language:English
Published: 19 December 2012
In: Physical review letters
Year: 2012, Volume: 109, Issue: 25
ISSN:1079-7114
DOI:10.1103/PhysRevLett.109.252302
Online Access:Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevLett.109.252302
Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.109.252302
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Author Notes:B. Abelev et al.* (ALICE Collaboration)
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Summary:The first measurement of neutron emission in electromagnetic dissociation of 208Pb 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 √sNN=2.76 TeV with neutron emission are σsingleEMD=187.4±0.2(stat)+13.2−11.2(syst) b and σmutualEMD=5.7±0.1(stat)±0.4(syst) b, respectively. The experimental results are compared to the predictions from a relativistic electromagnetic dissociation model.
Item Description:Im Titel steht der Ausdruck "sNN" unter dem Wurzelsymbol, "NN" ist dabei tiefgestellt
ALICE Collaboration: B. Abelev, O. Busch, P. Glässel, R.Grajcarek, N. Herrmann, T. Krawutschke, M.J. Kweon, D. Lohner, J. Mercado Pérez, K. Oyama, Y. Pachmayer, S. Radomski, K. Reygers, R. Schicker, K. Schweda, J. Stachel, S. Vallero, J. Wiechula, A. Zimmermann [und weitere]
Gesehen am 30.11.2018
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.109.252302

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