October 9, 2009 Rajendran Raja, MIPP Review 1
The Main Injector Particle Production Experiment (MIPP) at Fermilab –Description of experiment
Rajendran RajaFermilab
• Review Status of MIPP – E907- Took data till 2006 --18 million events– Analysis status
• Physics case for MIPP- restart the study of the strong interaction., test scaling lawsfor inclusive reactions.
• Obtain nuclear cross sections with 6 beam species for purposes of proton radiography
• Measure the particle production spectrum with excellent particle id off the NuMItarget
• We designed and built the beamline and the experiment was put together largely from existing hardware that had to be refurbished (to keep costs down).
• We had to learn to use the TPC, RICH, CKOV, BCKOV. We fabricated the ToFcounter and redesigned the RICH front end electronics. All drift chambers were refurbished from existing pieces of apparatus. The hadron calorimeter was re-used. We built the EM calorimeter using a lead absorber.
October 9, 2009 Rajendran Raja, MIPP Review 2
MIPP I–E907-collaboration listY. Fisyak
Brookhaven National LaboratoryR. Winston
EFI, University of ChicagoR.J.Peterson
University of Colorado, Boulder,E.Swallow
Elmhurst College and EFIW.Baker,D.Carey,J.Hylen, C.Johnstone,M.Kostin, H.Meyer, N.Mokhov, A.Para, R.Raja,S. Striganov
Fermi National Accelerator LaboratoryG. Feldman, A.Lebedev, S.Seun
Harvard UniversityP.Hanlet, O.Kamaev,D.Kaplan, H.Rubin,N.Solomey,Y.Torun
Illinois Institute of TechnologyU.Akgun,G.Aydin,F.Duru,E.Gülmez,Y.Gunaydin,Y.Onel, A.Penzo
University of IowaN.Graf, M. Messier,J.Paley
Indiana UniversityP.D.BarnesJr.,E.Hartouni,M.Heffner,J.Klay,D.Lange,R.Soltz, D.Wright
Lawrence Livermore LaboratoryR.L.Abrams,H.R.Gustafson,M.Longo, T.Nigmanov,H-K.Park, D.Rajaram
University of MichiganA.Bujak, L.Gutay,D.E.Miller
Purdue UniversityT.Bergfeld,A.Godley,S.R.Mishra,C.Rosenfeld,K.Wu
University of South CarolinaC.Dukes,L.C.Lu,C.Maternick,K.Nelson,A.Norman
University of Virginia
October 9, 2009 Rajendran Raja, MIPP Review 3
Brief Description of Experiment• Approved November 2001• Situated in Meson Center 7• Uses 120GeV Main Injector Primary protons to
produce secondary beams of K p from 5 GeV/c to 85 GeV/c to measure particle production cross sections of various nuclei including hydrogen.
• Using a TPC we measure momenta of ~all charged particles produced in the interaction and identify the charged particles in the final state using a combination of dE/dx, ToF, MultiCell Cherenkov and RICH technologies.
• Open Geometry- Lower systematics. TPC gives high statistics. Existing data poor quality.
• First Physics run- 18 million events 2005. Ended Feb 2006– Analyzing data
• Physics Case for MIPP-I
Goal of MIPP-Program • Measure Neutrino Flux <=> Meson Cross-Section (Xf, Pt)
» Primary ±/K±/K0 in proton - Target collision in open Geometry (Single-arm spectrometer measurements lose correlation)
» Measure meson production cross section where the beam is ±/K±/p± at different momenta (5<Pbeam<85) using a suite of nuclear targets, thin and thick, that compose neutrino beam elements (Target-holder, Horns, collimators, decay-pipe, Air/He) i.e. provide a matrix of measurements that will be directly used in the Meson-Transport -Flux in NuMI(MINOS/NOvA), DUSEL, Atmospheric, Neutrino-factory,
• Empirically gird the hadron-cascade simulation: MIPP uses =>targets spanning periodic table (H-->U); =>thin (1% Lambda) to thick (2.5% Lambda); =>Beam (p/Pi+-/K+-) from 5<Pbeam<120 GeV
• Study of the Strong Interaction
October 9, 2009 Rajendran Raja, MIPP Review 5
We have a theory of the strong interaction—in theory
• Why study non-perturbative QCD? Answer:- We do not know how to calculate a single cross section in non-perturbative QCD! This is >99% of the total QCD cross section. Perturbative QCD has made impressive progress. But it relies on structure functions for its calculations, which are non-perturbative and derived from data.
• All “established” scaling laws (Feynman scaling, KNO scaling, rapidity plateaus) are violated. Regge theory is a framework. Predictions violatable by adding more trajectories.
• Most existing data are of low statistics with poor particle id and high systematics(single arm spectrometers)
• Most models tuned on a variety of old data on single particle inclusives. They manage to get the longitudinal profiles of hadronic showers correct. Transverse profiles requires understanding and modelling of particle correlations (i.e full non-perturbativeQCD dynamics). Data not available. One is at the mercy of a large number of models that are not consistent with each other. A lot of manpower is invested in “tuning and validating” models, that are inadequate to answer the detailed questions precision experiments are asking today.
• Technology has improved since the bubble chamber and today we are in a position to acquire high quality production data that can completely revolutionize our ability to predict hadronic showers. This will greatly increase our understanding of systematicsin a series of experiments, fixed target neutrino experiments being a significant beneficiary.
October 9, 2009 Rajendran Raja, MIPP Review 6
General scaling law of particle fragmentation
• States that the ratio of a semi-inclusive cross section to an inclusive cross section
• where M2,s and t are the Mandelstam variables for the missing mass squared, CMS energy squared and the momentum transfer squared between the particles a and c. PRD18(1978)204.
• Using EHS data, we have tested and verified the law in 12 reactions (DPF92) but only at fixed s.
• MIPP will in principle test this in 36 reactions. MIPP upgrade can extend these scaling relation tests to two particle inclusive reactions which requires more statistics.
f a b c Xf a b c X
f M s tf M s t
Msubset subsetsubset
( )( )
( , , )( , , )
( )
2
22
October 9, 2009 Rajendran Raja, MIPP Review 7
Scaling Law-EHS results
October 9, 2009 Rajendran Raja, MIPP Review 8
NuMI target hadroproduction-Sparsity of data
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October 9, 2009 Rajendran Raja, MIPP Review 11
MIPP Secondary BeamInstalled in 2003. Excellent performance. Ran it successfully in MIPP from 5-
85 GeV/c secondaries and 120 GeV/c primary protons. Excellent particle ID capabilities using 2 Beam Cerenkovs. For low momenta (<~10 GeV/c) ToF is used for pid. Design principles and lessons learned used in M-test upgrade.
October 9, 2009 Rajendran Raja, MIPP Review 12
Beam line details• Design borrowed from muon collider final focus.• 95 meters from primary to secondary target. Low momentum
Pions survive.• We went thru 7 designs before settling on this.• Dispersion at collimator.• Beam has to be parallel at the experimental target. • Final design chosen due to Carol Johnstone.• Beam particle id using two differential beam Ckovs.• Gave this design to M-test to avoid test beam community
from wanting to use MIPP.• They have a slightly longer version of this design that bends
horizontally. • With upgraded power supplies that regulate at low current
and Hall probes , it is possible to increase momentum range from ~1 GeV/c - 85 GeV/c for secondaries of both charges. Charged kaons from ~3GeV/c (decay).
• Removing Cu primary target and adding pinhole collimator, we brought in low intensity beam of 120 geV protons for NuMI.
October 9, 2009 Rajendran Raja, MIPP Review 13
Jolly Green Giant
TPC
Cerenkov
Time of Flight
Rosie
RICH
Chambers
Neutron Calorimeter
MIPPMain Injector Particle Production Experiment (FNAL-E907)
Jolly Green Giant
TPC
Cerenkov
Time of Flight
Rosie
RICH
Chambers
Neutron Calorimeter
EM shower detector
MIPPMain Injector Particle Production Experiment (FNAL-E907)
Vertical cut plane
October 9, 2009 Rajendran Raja, MIPP Review 14
MC7 during Installation –Had to install struts supporting magnets in M-Bottom; Clean out Hyper Cp; Redo the building since it was not big enough. No crane coverage-Access doors carefully planned. Good insulation and AC.
Roof is non-canonical; does not leak.
October 9, 2009 Rajendran Raja, MIPP Review 15
TPC
•
October 9, 2009 Rajendran Raja, MIPP Review 16
Beam Cherenkovs
)3
Density (mlb/ft0 10 20 30 40 50 60 70
Fractio
n of tr
iggers
-310
-210
-110
out×Upstrm Beam Cherenkov in out×Upstrm Beam Cherenkov in
)3
Density (mlb/ft0 10 20 30 40 50 60 70
Fractio
n of tr
iggers
-310
-210
-110
out×Dwnstrm Beam Cherenkov in out×Dwnstrm Beam Cherenkov in
)3
Density (mlb/ft0 10 20 30 40 50 60
Frac
tion o
f trigg
ers
-410
-310
-210
-110
1
out×Upper Beam Cherenkov in
)3
Density (mlb/ft0 10 20 30 40 50 60
Fra
ctio
n o
f tr
igg
ers
-410
-310
-210
-110
1
out×Lower Beam Cherenkov in
+40 GeV/c
-40 GeV/c
October 9, 2009 Rajendran Raja, MIPP Review 17
RICH rings pattern recognized
October 9, 2009 Rajendran Raja, MIPP Review 18
Comparing Beam Cherenkov to RICH for +40 GeV beam triggers-No additional cuts!
Reconstructed ring radius (cm)18 20 22 24 26 28 30
richProtonEntries 987
Mean 21.91
RMS 0.5726
Reconstructed ring radius (cm)18 20 22 24 26 28 30
0
50
100
150
200
250
300
350
400
450richProton
Entries 987
Mean 21.91
RMS 0.5726
Distribution of RICH Ring Radii with Proton Trigger
Pro
tons
, 99.
8%P
roto
ns, 9
9.8%
Pro
tons
, 99.
8%
Reconstructed ring radius (cm)20 22 24 26 28 30
richKaonEntries 1084
Mean 27.19
RMS 1.134
Reconstructed ring radius (cm)20 22 24 26 28 30
0
50
100
150
200
250
300
350
400
450richKaon
Entries 1084
Mean 27.19
RMS 1.134
Distribution of RICH Ring Radii with Kaon TriggerP
roto
ns,
3.7
%P
roto
ns,
3.7
%
Ka
on
s, 9
3.6
%
Pio
ns,
2.2
%P
ion
s, 2
.2%
Reconstructed ring radius (cm)20 22 24 26 28 30
richPionEntries 1214
Mean 29.11
RMS 0.341
Reconstructed ring radius (cm)20 22 24 26 28 30
0
100
200
300
400
500
600
700
800
richPionEntries 1214
Mean 29.11
RMS 0.341
Distribution of RICH Ring Radii with Pion Trigger
Pio
ns,
99.8
%P
ions,
99.8
%
Reconstructed ring radius (cm)20 22 24 26 28 30 32
Reconstructed ring radius (cm)20 22 24 26 28 30 32
0
200
400
600
800
1000
1200
Distribution of RICH Ring Radii in Beam
Pro
tons
, 54.
3%
Kao
ns, 3
.7%
Pio
ns, 4
1.4%
Pro
tons
, 54.
3%P
roto
ns, 5
4.3%
Kao
ns, 3
.7%
Pio
ns, 4
1.4%
October 9, 2009 Rajendran Raja, MIPP Review 19
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
z (cm)
-80 -60 -40 -20 0 20 40 60 80
x (cm)
-40-20
020
40
y (
’cm
’)
-40
-20
0
20
40
z (cm)-80 -60 -40 -20 0 20 40 60 80
x (
cm)
-40
-20
0
20
40
x (cm)-40 -20 0 20 40
y (
’cm
’)
-40
-20
0
20
40
z (cm)-80 -60 -40 -20 0 20 40 60 80
y (
’cm
’)
-40
-20
0
20
40
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
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MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
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MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
MIPP (FNAL E907) Target: NuMIRun: 15007SubRun: 0Event: 160 Sat Jul 16 200511:22:30.687398 *** Trigger ***BeamWord: 0080Bits: 80D7
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October 9, 2009 Rajendran Raja, MIPP Review 20
TPC Reconstructed tracks MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
z (cm)
-80 -60 -40 -20 0 20 40 60 80
x (cm)
-40-20
020
40
y (
’cm
’)
-40
-20
0
20
40
z (cm)
-80 -60 -40 -20 0 20 40 60 80
x (cm)
-40-20
020
40
y (
’cm
’)
-40
-20
0
20
40
z (cm)-80 -60 -40 -20 0 20 40 60 80
x (
cm)
-40
-20
0
20
40
track 7track 3track 10track 8track 11
track 6
track 2
track 1
track 21
track 22
X
x (cm)-40 -20 0 20 40
y (
’cm
’)
-40
-20
0
20
40
z (cm)-80 -60 -40 -20 0 20 40 60 80
y (
’cm
’)
-40
-20
0
20
40
track 7track 3
track 10track 8
track 11
track 6track 2
track 1
track 21
track 22
X
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
MIPP (FNAL E907) Target: BerylliumRun: 12719SubRun: 0Event: 9 Mon Feb 28 200503:18:40.377278 *** Trigger ***BeamWord: 0400Bits: C44F
October 9, 2009 Rajendran Raja, MIPP Review 21
Data Taken In current runData Summary
27 February 2006 Acquired Data by Target and Beam Energy
Number of events, x 106 Target E
Z Element Trigger Mix 5 20 35 40 55 60 65 85 120
Total
Empty1 Normal 0.10 0.14 0.52 0.25 1.01K Mass2 No Int. 5.48 0.50 7.39 0.96 14.330
Empty LH1 Normal 0.30 0.61 0.311 LH Normal 0.21 1.94 1.98 1.73
7.08
p only 1.084 Be
Normal 0.10 0.561.75
C Mixed 0.21C 2% Mixed 0.39 0.26 0.47
1.336
NuMI p only 1.78 1.7813 Al Normal 0.10 0.10
p only 1.0583 Bi
Normal 0.52 1.262.83
92 U Normal 1.18 1.18Total 0.21 2.73 0.86 5.48 0.50 13.97 0.96 2.04 4.63 31.38
October 9, 2009 Rajendran Raja, MIPP Review 22
ReconstructedProton-Carbonat 120 GeV/cEvent
TPC X
TPC Y Global Y
Global X
RICH
Wire Chambers EM Cal
Hadron CalTO
F W
all
October 9, 2009 Rajendran Raja, MIPP Review 23
Acceptances and resolutions• Full MC Geant3 based. Use known tracks and
match them to found tracks. MC display
•
MC Event Display
October 9, 2009 Rajendran Raja, MIPP Review 24
October 9, 2009 Rajendran Raja, MIPP Review 25
Acceptances
October 9, 2009 Rajendran Raja, MIPP Review 26
Feynman x acceptance
October 9, 2009 Rajendran Raja, MIPP Review 27
MIPP Momentum resolution
Track Momentum GeV/c
0 10 20 30 40 50 60 70 80 90 100
dp
/p
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
0.2
HARP
MIPP
HARP MIPP Resolution Comparison
October 9, 2009 Rajendran Raja, MIPP Review 28
Analysis Status• We have published NIM articles.• General NIM article on experiment in
preparation.• NIM article on Calorimeter published• NIM article on Charged Kaon mass
measurement using RICH rings (a new technique) submitted.
• NUMI target hadroproduction analysis very close to completion.
• Calorimeter neutron production cross section analyses 90% complete.
October 9, 2009 Rajendran Raja, MIPP Review 29
Scaling Law
Continuing on to physical t values, one gets
Essentially, it states that semi-inclusive cross sections are not all independent but are connected by these relations.
)(),,()(
)(),,()(22
22
MDtsMFXabc
MDtsMFXabc
sXs
X
)()(),,()(),,(
)()( 2
22
22
MMDtsMFMDtsMF
XabcXabc
subX
Xsub sub
)()()( 2M
XcabfXcabf
subsub