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https://hdl.handle.net/11147/7678
Title: | Measurement of the Lambda(b) polarization and angular parameters in Lambda(b) -> J/psi Lambda decays from pp collisions at root s=7 and 8 TeV | Authors: | CMS Collaboration Karapınar, Güler |
Keywords: | Particle decays Tellurium compounds Readout systems Quantum chromodynamics |
Issue Date: | Apr-2018 | Publisher: | American Physical Society | Source: | Sirunyan, A.M., Tumasyan, A., Adam, W., Ambrogi, F., Asilar, E., Bergauer, T., Brandstetter, J. ...CMS Collaboration (2018). Measurement of the Λb polarization and angular parameters in Λb → J=ψΛ decays from pp collisions at √s = 7 and 8 TeV. Physical Review D, 97(7). doi:10.1103/PhysRevD.97.072010 | Abstract: | An analysis of the bottom baryon decay Λb→J/ψ(→μ+μ-)Λ(→pπ-) is performed to measure the Λb polarization and three angular parameters in data from pp collisions at s=7 and 8 TeV, collected by the CMS experiment at the Large Hadron Collider. The Λb polarization is measured to be 0.00±0.06(stat)±0.06(syst) and the parity-violating asymmetry parameter is determined to be 0.14±0.14(stat)±0.10(syst). The measurements are compared to various theoretical predictions, including those from perturbative quantum chromodynamics. | URI: | https://doi.org/10.1103/PhysRevD.97.072010 https://hdl.handle.net/11147/7678 |
ISSN: | 2470-0010 2470-0010 2470-0029 |
Appears in Collections: | Mathematics / Matematik Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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PhysRevD.97.072010.pdf | MasterThesis | 549.05 kB | Adobe PDF | ![]() View/Open |
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