E906/SeaQuest Drell-Yan Experiment - Brookhaven National ...

More documents

Recommendations

Info

Reconciling the Disconnect Three assumptions: NMC: 1. Extrapolation of NMC measurement to lower x? GSR: 1. Charge symmetry? 2. u = d ? E665 experiment measured to lower x No signs of charge symmetry breaking Directly measure through Drell-Yan Knowledge is data-driven
Target Beam x1, q σ 2σ pd pp | x 1 >> x 2 First Direct Measurement ≈ x2, q ⎛ 1 ⎜1+ 1 ⎝ 4 2 ⎛ 1 ⎜ 1+ d ⎝ 4 u d 1 ⎛ d( ⎞ ⎜ x2) ≈ ⎟ ⎜ 1+ 2 ⎟ ⎝ u( x2) ⎠ γ* ( ) u ( x1) ( x1) d( ( ) u( x 1 x 1 µ - µ + ⎞ ⎟ ⎠ ⎛ d( ⎞ ⎜ x2) ⎟ ⎜ 1+ ⎞ ⎟ x2) ⎟ ⎝ u( x2) ⎠ ) ⎟ x2 ⎠ • NA51 (Drell-Yan) shows u < d
Page 1 and 2: E906/SeaQuest Drell-Yan Experiment
Page 3: NMC Measurement 0.004 < x < 0.8 S G
Page 7 and 8: • Fermilab Meson East Building
Page 9 and 10: Abilene Christian University Obiage
Page 11 and 12: Other Physics to be Probed with Dre
Page 13 and 14: • Statistics are better, but some
Page 15 and 16: E906 Beam • 53 MHz beam repetitio
Page 17 and 18: Detectors • Station 1: MWPC (Mult
Page 19 and 20: • E906 experiment will extend the
Page 21 and 22: Drell-Yan fixed target experiments

E906/SeaQuest Drell-Yan Experiment - Brookhaven National ...

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?