Post on 12-Jan-2016
description
1
Drell-Yan Spectrometer for E-906
25m
Solid Iron Focusing
Magnet, Hadron
absorber and beam
dump
4.9m
Mom. Meas.
(KTeV Magnet)
Had
ron
Abso
rber
Station 1:
Hodoscope array
MWPC tracking
Station 2 and 3:
Hodoscope array
Drift Chamber tracking
Station 4:
Hodoscope array
Prop tube tracking
Liquid H2, liquid d2, empty, C, Ca, W
APS DNP, November 2010, Santa Fe
See poster by ACU students:• Brandon Bowen• Brianna Edlund• Tyler Hague
Mass (thrown)
Pt (thrown)
Mass (w/o sigwt) Mass (w sigwt)
Pt (w/o sigwt) Pt (w sigwt)
sigwt
sigwt
Mass V.S. Pt (bend plane)Mass Mass
Pt(Positive muon) Pt(Negative muon)
Pt V.S. Mass (bend plane)
Mass
Pt(Positive muon)
Mass
Pt(Negative muon)
Mass V.S. Pt (prof) (bend plane)Mass Mass
Pt(Positive muon) Pt(Negative muon)
Pt V.S. Mass(prof) (bend plane)
Mass
Pt(Positive muon)
Mass
Pt(Negative muon)
Compare with road index(bend plane)
Pt Pt
Road index Road index
Road combination of yp is 666 Road combination of yn is 679
Mass V.S. abs(Pt) (non-bend plane)Mass Mass
Pt(Positive muon) Pt(Negative muon)
abs(Pt) V.S. Mass (non-bend plane)
Mass
Pt(Positive muon)
Mass
Pt(Negative muon)
Mass V.S. abs(Pt) (prof) (non-bend plane)
Mass Mass
Pt(Positive muon) Pt(Negative muon)
abs(Pt) V.S. Mass (prof) (non-bend plane)
Mass Mass
Pt(Positive muon) Pt(Negative muon)
Compare with road index(non-bend plane)
Pt Pt
Road index Road indexRoad combination of xp is 393 Road combination of xp is 396
Compare with road index(non-bend plane)(abs(Pt))
Pt Pt
Road index Road index