Preliminary Results on the Experimental Investigation of the Structure Functions of Bound Nucleons

2015/07/17 by A. Bodek, Bodek, A.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #Nuclear Experiment (nucl-ex) #hep-ex #nucl-ex

paper · pdf · doi:10.48550/arxiv.1507.04967

Presented by A. Bodek at the XXIII International Workshop on Deep Inelastic Scattering and Related Subjects April 27 - May 1, 2015 Southern Methodist University Dallas, Texas 75275. To be published in proceedings. Also presented at The 12th Conference on the Intersection of Nuclear and Particle Physics, CIPANP 2015, May 19-24, 2015 (Vail, CO, USA

arxiv created 2015/10/09 · arxiv updated 2015/10/12

Abstract

We present preliminary results on an experimental study of the nuclear modification of the longitudinal (σ_L) and transverse (σ_T) structure functions of nucleons bound in nuclear targets. The origin of these modifications (commonly referred as as the EMC effect) is not fully understood. Our measurements of R= σ_L / σ_T for nuclei (R_A) and for deuterium (R_D) indicate that nuclear modifications of the structure functions of bound nucleons are different for the longitudinal and transverse structure functions, and that contrary to expectation from several theoretical models, R_A< R_D.

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