Azimuthal Single-Spin Asymmetries of Charged Pions in Jets in s = 200 GeV p↑p Collisions at STAR | Zendy

JK Adkins | Zendy; J. L. Drachenberg | Zendy

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Azimuthal Single-Spin Asymmetries of Charged Pions in Jets in s = 200 GeV p↑p Collisions at STAR

Author(s) -

JK Adkins,

J. L. Drachenberg

Publication year - 2016

Publication title -

international journal of modern physics conference series

Language(s) - English

Resource type - Journals

ISSN - 2010-1945

DOI - 10.1142/s2010194516600405

Subject(s) - physics , pion , particle physics , relativistic heavy ion collider , nuclear physics , asymmetry , rapidity , collider , spin (aerodynamics) , star (game theory) , azimuth , large hadron collider , heavy ion , ion , astrophysics , astronomy , quantum mechanics , thermodynamics

Single spin asymmetry measurements ([Formula: see text]) of the azimuthal distribution of charged pions inside jets produced in transversely polarized proton collisions are sensitive to the transversity distribution and the Collins fragmentation function. The STAR Detector at the Relativistic Heavy Ion Collider is well suited for these types of measurements as it is capable of full jet reconstruction and charged pion identification in the mid-rapidity region ([Formula: see text][Formula: see text][Formula: see text][Formula: see text]). We report here the first observation of Collins [Formula: see text] asymmetries in [Formula: see text] GeV [Formula: see text] collisions.

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