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Longitudinal spin transfer to Λ and \(\bar \Lambda\) in polarized proton-proton collisions at √s = 200 GeV at STAR

  • Session 2. Spin in Hadronic Reactions
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Abstract

The longitudinal spin transfer D LL of Λ and \(\bar \Lambda\) hyperons is expected to be sensitive to the helicity distribution function of strange (anti-)quarks, and to the polarized fragmentation functions. We report new results on D LL , extracted from √s = 200 GeV polarized pp collisions recorded at the STAR detector during the 2009 RHIC run. These new results cover mid-rapidity |η| < 1.2, with extended p T up to 6 GeV/c.

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Authors and Affiliations

  1. School of Physics, Shandong University, Shandong, 250100, China

    Jian Deng

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  1. Jian Deng
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Deng, J., STAR Collaboration. Longitudinal spin transfer to Λ and \(\bar \Lambda\) in polarized proton-proton collisions at √s = 200 GeV at STAR. Phys. Part. Nuclei 45, 73–75 (2014). https://doi.org/10.1134/S1063779614010249

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  • DOI: https://doi.org/10.1134/S1063779614010249

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