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1. Salzwedel, Jai. Lambda femtoscopy in vsNN = 2.76 TeV Pb-Pb collisions at ALICE.

Degree: PhD, Physics, 2017, The Ohio State University

In this thesis, we present lambda baryon femtoscopy measured by the ALICE collaboration in vsNN = 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 ¿ 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. Advisors/Committee Members: Humanic, Thomas (Advisor).

Subjects/Keywords: 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

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APA (6th Edition):

Salzwedel, J. (2017). Lambda femtoscopy in vsNN = 2.76 TeV Pb-Pb collisions at ALICE. (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1483568167792529

Chicago Manual of Style (16th Edition):

Salzwedel, Jai. “Lambda femtoscopy in vsNN = 2.76 TeV Pb-Pb collisions at ALICE.” 2017. Doctoral Dissertation, The Ohio State University. Accessed October 19, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1483568167792529.

MLA Handbook (7th Edition):

Salzwedel, Jai. “Lambda femtoscopy in vsNN = 2.76 TeV Pb-Pb collisions at ALICE.” 2017. Web. 19 Oct 2017.

Vancouver:

Salzwedel J. Lambda femtoscopy in vsNN = 2.76 TeV Pb-Pb collisions at ALICE. [Internet] [Doctoral dissertation]. The Ohio State University; 2017. [cited 2017 Oct 19]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1483568167792529.

Council of Science Editors:

Salzwedel J. Lambda femtoscopy in vsNN = 2.76 TeV Pb-Pb collisions at ALICE. [Doctoral Dissertation]. The Ohio State University; 2017. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1483568167792529

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