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The Beam Single Spin Asymmetry in Semi-inclusive Deep Inelastic Scattering

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arxiv hep-ph/0310279 v1 pith:2F5ASXK6 submitted 2003-10-23 hep-ph

classification hep-ph
keywords perpasymmetryfunctionbeamchiral-oddconvoluteddeepdistribution
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We study the beam single spin asymmetry in semi-inclusive hadron production in deep inelastic scattering in at order 1/Q. There are two competing contributions: the leading order transverse momentum dependent parton distribution $h_1^\perp(x,k_\perp)$ convoluted with chiral-odd fragmentation function $\hat e(z)$, and the chiral-odd distribution function $e(x)$ convoluted with Collins fragmentation function $H_1^\perp(z,k'_\perp)$. We estimate this asymmetry and compare with the experimental measurements from CLAS and HERMES collaborations.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Single spin asymmetry in forward $pA$ collisions from Pomeron-Odderon interference

    hep-ph 2025-01 conditional novelty 7.0 of 10

    A new Pomeron-Odderon interference term in the hybrid CGC framework yields a percent-level transverse single spin asymmetry in forward pA collisions, with a characteristic sign-changing node at the saturation scale.

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