Bulletin of the American Physical Society
85th Annual Meeting of the APS Southeastern Section
Volume 63, Number 19
Thursday–Saturday, November 8–10, 2018; Holiday Inn at World’s Fair Park, Knoxville, Tennessee
Session C01: Early Results from Jlab 12 GeV Running |
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Chair: Nadia Fomin, University of Tennessee, Knoxville Room: Holiday Inn Knoxville Downtown Summit |
Thursday, November 8, 2018 2:00PM - 2:30PM |
C01.00001: Jefferson Lab Tritium Program Invited Speaker: David Meekins Electromagnetic probes of few-body nucleon systems play a pivotal role in our attempts to understand the structure of both nuclei and the protons and neutrons that comprise them. Of particular interest, are light nuclei where, among other motivating factors, models are more easily developed. The simplest asymmetric nuclear system is the A=3 system. While experiments involving 3He are relatively common, the combined study of the mirror nuclei 3He and 3H can provide much deeper insight. This provided the onus for the development of a tritium target system. After considerable effort the Jefferson Lab Tritium Program became operational with first beam in December of 2017. Since that time, data have been successfully collected for two experiments with two more now in process and expected to be completed by late 2018. These experiments range in scope from the study of Short Range Correlations to the Hypernuclear ΛN interaction to the A=3 EMC effect and ratio of u/d in the nucleon. In this talk, the challenges of working with tritium and the development of the tritium target system are presented. Selected preliminary results and target performance will also be discussed. |
Thursday, November 8, 2018 2:30PM - 3:00PM |
C01.00002: Quarks in the Nucleus - Recent Results and Future Measurements at Jefferson Lab Invited Speaker: Eric Pooser A major part of the Jefferson Lab experimental program has been to elucidate the role of quarks in the nucleus. Since the 1980's, we have known that the distribution of quarks in the nucleus is not the same as in the free proton and neutron. This modification of quark distributions, known as the EMC Effect, has been the subject of much experimental study for more than 30 years. |
Thursday, November 8, 2018 3:00PM - 3:30PM |
C01.00003: New results from Jefferson Lab experiment E12-10-002 Invited Speaker: Simona Malace I will present preliminary results from the experiment E12-10-002 that ran at Jefferson Lab in Hall C in Spring 2018. Data were taken to extract inclusive cross sections and the F2 structure function from H(e,e'p) and D(e,e'p) measurements. Our new measurements will provide much needed constraints for parton distribution functions at large x as well as constrains for quark-hadron duality studies and for extractions of moments of the F2 structure function. |
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