Topological reconstruction is

1
Dortmund, Germany E.Paschos Fermi
National Accelerator Laboratory M.Andrews,
D.Boehnlein, N.Grossman, D.A.Harris,
J.G.Morfin, A.Pla-Dalmau, P.Rubinov, P.Shanahan,
P.Spentzouris Hampton University M.E.Christy,
W.Hinton, C.E.Keppel Illinois Institute of
Technology - R.Burnstein, O.Kamaev, N.Solomey
Institute for Nuclear Study, Russia
Sample Events
The fine grained, fully active central region
allows excellent spatial and directional
resolution.
Saint Xavier University A.Chakravorty
Tufts University D.Cherdack, H.Gallagher,
T.Kafka, W.A.Mann, W.Oliver College of William
and Mary J.K.Nelson, J.X.Yumiceva
University of Athens, Greece D.Drakoulakos,
P.Stamoulis, G.Tzanakos, M, Zois University
of California, Irvine D.Casper, J.Dunmore,
C.Regis, B.Ziemer University of

Sample quasi-elastic event ?µn?pµ- Proton and
muon tracks resolved and energy deposited shown
as size of hit.
S.Kulagin James Madison University -
I.Niculescu, G.Niculescu Northern Illinois
University G.Blazey, M.A.C.Cummings, V.Rykalin
Thomas Jefferson National Accelerator Facility
W.K.Brooks, A.Brueli, R.Ent, D.Gaskell,
W.Melnitchouk, S.Wood University of Pittsburgh
S.Boyd, S.Dytman, M.S.Kim, D.Naples, V.Paolone
University of Rochester A.Bodek,
OD
ECAL
Topological reconstruction is supplemented by
particle ID based on dE/dx, hermetic
calorimetry, and charge identification for long
muons and the ability to tag long-lived
(strange) final-states with nanosecond hit
timing.
Sample p0 production ?µp??µpp0 Photon tracks
distinguished and vertexed.
Proposal and Addendum located at hep-ex/0405002
- Co-Spokesperson Purple HEP Experimental -
Project Manager Blue Nuclear Experimental Red
- Theory
R.Bradford, H.Budd, J.Chvojka, P.De Barbaro,
S.Manly, K.McFarland, J.Park, W.Sakumoto,
J.Steinman





Rutgers University R.Gilman, C.Glashausser,
X.Jiang, G.Kumbartzki, R.Ransome, E.Schulte
2
Dortmund, Germany E.Paschos Fermi
National Accelerator Laboratory M.Andrews,
D.Boehnlein, N.Grossman, D.A.Harris,
J.G.Morfin, A.Pla-Dalmau, P.Rubinov, P.Shanahan,
P.Spentzouris Hampton University M.E.Christy,
W.Hinton, C.E.Keppel Illinois Institute of
Technology - R.Burnstein, O.Kamaev, N.Solomey
Institute for Nuclear Study, Russia
Oscillation Physics Motivation
Oscillation Physics Impact
The plot at right shows a case study of MINER?As
ability to improve the precision measurement of
?m223 by reducing systematic uncertainties in the
neutrino energy reconstruction. With better
understanding of hadron production and
final-state interactions, MINOS can achieve a
sensitivity comparable To double the planned
number of protons on target without MINER?A.
Pion production contaminates kinematic
reconstruction of neutrino energy in K2K and
T2K, limiting precision measurements of ?m223 and
sin22?23. Cross-section uncertainties and
final-state interactions smear Evis?E?
calibration for MINOS and NO?A as well.
The plot at left shows a case study of a search
for ?13 with the proposed NO?A experiment.
Without better understanding of the backgrounds,
provided by MINER?A, the experiment will be
limited by systematics for values of ?13 close to
the CHOOZ bound.
Oscillation changes the mixture of reaction types
between near and far detectors an
important source of systematic uncertainty.
for 2004 NO?A design, hep-ex/41005
Existing Cross-Section Data
Below World data on charged current coherent
pion production, with the prediction of the
Rein-Sehgal model. Available data do not
cover the range of nuclei used in modern
detectors, and in the few-GeV regime are limited
to two Measurements with almost 100
errors. Even for quasi-elastic scattering,
experimental uncertainties due to the nucleon
form factor and nuclear effects are relatively
large.
Saint Xavier University A.Chakravorty
Tufts University D.Cherdack, H.Gallagher,
T.Kafka, W.A.Mann, W.Oliver College of William
and Mary J.K.Nelson, J.X.Yumiceva
University of Athens, Greece D.Drakoulakos,
P.Stamoulis, G.Tzanakos, M, Zois University
of California, Irvine D.Casper, J.Dunmore,
C.Regis, B.Ziemer University of

S.Kulagin James Madison University -
I.Niculescu, G.Niculescu Northern Illinois
University G.Blazey, M.A.C.Cummings, V.Rykalin
Thomas Jefferson National Accelerator Facility
W.K.Brooks, A.Brueli, R.Ent, D.Gaskell,
W.Melnitchouk, S.Wood University of Pittsburgh
S.Boyd, S.Dytman, M.S.Kim, D.Naples, V.Paolone
University of Rochester A.Bodek,
Above Existing data on charged current single
pion production with predictions from the Neugen
simulation. The data are characterized by small
statistical power, undocumented corrections for
nuclear effects, and uncertain absolute
normalization. The poor agreements between
different measurements reflects these problems.
Data on exclusive multi-pion and strange
particle production and neutral currents is
even more limited. The transition between
resonant and DIS regimes is likewise very poorly
understood.
MINER?A Status and Projected Milestones
April 2004 Stage I approval from FNAL
PAC October 2004 Complete first Vertical Slice
Test with MINER?A
extrusions, WLS fiber and Front-End
electronics January 2005 First Project
Directors (Temple) Review Summer 2005
Second Vertical Slice Test End CY 2005
Projected Date for MINERvA Project Baseline
Review October 2006 Start of
Construction Summer 2008 Begin MINERvA
Installation and Commissioning in
NuMI Near Hall
Proposal and Addendum located at hep-ex/0405002
- Co-Spokesperson Purple HEP Experimental -
Project Manager Blue Nuclear Experimental Red
- Theory
R.Bradford, H.Budd, J.Chvojka, P.De Barbaro,
S.Manly, K.McFarland, J.Park, W.Sakumoto,
J.Steinman





Rutgers University R.Gilman, C.Glashausser,
X.Jiang, G.Kumbartzki, R.Ransome, E.Schulte