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SalzwedelThesis-2017-01-04v3.pdf (8.62 MB)

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Lambda femtoscopy in √sNN = 2.76 TeV Pb-Pb collisions at ALICE

Salzwedel, Jai
http://orcid.org/0000-0003-4032-9612
http://rave.ohiolink.edu/etdc/view?acc_num=osu1483568167792529

Abstract Details

2017, Doctor of Philosophy, Ohio State University, Physics.
In this thesis, we present lambda baryon femtoscopy measured by the ALICE collaboration in √sNN = 2.76 TeV Pb-Pb collision. Correlation functions are shown in three centrality ranges for lambda-antilambda and two for the combined lambda-lambda ⊕ antilambda-antilambda results. Femtoscopy is capable of measuring the femtometer-scale spatial and temporal aspects of particle collisions by looking at relative momentum correlations among pairs of particles. In addition, femtoscopy can extract information about the final state interactions of the strong nuclear forces that occur between those particles. The femtoscopic radii and scattering parameters (scattering length and effective range of interaction) of lambda-lambda ⊕ antilambda-antilambda and lambda-antilambda are presented. Following recent measurements of proton-antilambda and antiproton-antiproton, we have expanded the standard femtoscopic fitting process to account for the correlated effects of particles that decay into lambdas. We have estimated the λ parameters that describe the relative contribution of each residual correlation. Residual correlation effects are included in the fitting process by estimating their correlation strength and then smearing the relative momentum of their contribution according to the kinematics of their decay.
Thomas Humanic (Advisor)
Michael Lisa (Committee Member)
Yuri Kovchegov (Committee Member)
Fengyuan Yang (Committee Member)
Michael Bond (Committee Member)
150 p.
Physics
nuclear physics; femtoscopy; HBT; lambda; lambdas; antilambda; antilambdas; lambda baryon; scattering length; residual correlations; ALICE; LHC; correlation functions; heavy-ion; heavy-ions; hadronic interactions; femtoscopic; s-wave scattering; radii

Recommended Citations

Citations

  • Salzwedel, J. (2017). Lambda femtoscopy in √sNN = 2.76 TeV Pb-Pb collisions at ALICE [Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1483568167792529

    APA Style (7th edition)

  • Salzwedel, Jai. Lambda femtoscopy in √sNN = 2.76 TeV Pb-Pb collisions at ALICE. 2017. Ohio State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1483568167792529.

    MLA Style (8th edition)

  • Salzwedel, Jai. "Lambda femtoscopy in √sNN = 2.76 TeV Pb-Pb collisions at ALICE." Doctoral dissertation, Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1483568167792529

    Chicago Manual of Style (17th edition)

osu1483568167792529
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© 2017, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.