Recent Results from MiniBooNE and SciBooNE. Sam Zeller LANL FNAL Users Meeting June 3, 2009. will be telling you what’s new on the Booster beamline at FNAL. Booster Experiments. SciBooNE. to remind you of your friends on other side of the ring …
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Sam Zeller
LANL
FNAL Users Meeting
June 3, 2009
SciBooNE
MiniBooNE
SciBooNE
- NIM A599, 28 (2009) -
MiniBooNE
SciBooNE
already surpassed our goal
- thank you FNAL AD! -
- NIM A599, 28 (2009) -
SciBooNE
SciBooNE
(shipped
from Japan)
SciBooNE
SciBooNE
25% more data than requested
- thank you FNAL AD! -
(shipped
from Japan)
SciBooNE
SciBooNE
(shipped
from Japan)
briefly summarize
three oscillation
updates from MB
e analysis
mode 6.5x1020 POT
- PRL 102, 101802 (2009) -
e analysis
mode 6.5x1020 POT
> 475 MeV:unchanged
no LSND-like oscillations (2)
- PRL 102, 101802 (2009) -
e analysis
mode 6.5x1020 POT
> 475 MeV:unchanged
no LSND-like oscillations (2)
< 475 MeV: low energy
excess persists (3 200-475 MeV)
- PRL 102, 101802 (2009) -
e analysis
(G. Karagiorgi)
mode 3.4x1020 POT
FNAL W&C December 2008
- arXiv:0904:1958 [hep-ex] -
e analysis
(G. Karagiorgi)
mode 3.4x1020 POT
FNAL W&C December 2008
we’ll have to see
how this picture evolves
- arXiv:0904:1958 [hep-ex] -
(K. Mahn)
also performed search for
and disappearance
mode
FNAL W&C October 2008
mode
- arXiv:0903:2465 [hep-ex] -
√
CNGS
NOvA
T2K
DUSEL
quasi-elastic (QE)
signal
CNGS
NOvA
T2K
DUSEL
NC 0
(background to
e appearance)
CC +
(background to
disappearance)
CNGS
NOvA
T2K
DUSEL
CNGS
NOvA
T2K
DUSEL
MB, SB
nuclear targets!
MINOS, MINERA
MB, SB
next talk!
MINOS, MINERA
MB, SB
next talk!
this talk
MINOS, MINERA
(D. Schmitz)
unable to reliably extract
measurements
without this important input
(D. Schmitz)
W+
n
n,p
n,p
Elastic Scattering Processes
W+
W+
n
n
n,p
n,p
n,p
n,p
Quasi-Elastic ScatteringW+
n
n,p
n,p
Quasi-Elastic ScatteringMiniBooNE:
W+
n
cos
T (GeV)
n,p
n,p
Quasi-Elastic ScatteringMiniBooNE:
(T. Katori)
d2
dTdcos
W+
n
cos
T (GeV)
n,p
n,p
Quasi-Elastic ScatteringMiniBooNE:
(T. Katori)
d2
dTdcos
first measurement of
double diff’l cross section
in QE scattering!
W+
n
n,p
n,p
Quasi-Elastic ScatteringMiniBooNE:
(T. Katori)
W+
n
n,p
n,p
Quasi-Elastic ScatteringMiniBooNE:
(T. Katori)
> MAD2=1.03 GeV, but consistent w/ K2K, MINOS
W+
n
n,p
n,p
Quasi-Elastic ScatteringMiniBooNE:
(T. Katori)
RFG model with MA=1.35 GeV
RFG model with MA=1.03 GeV (D2)
(most widely used prediction for this process)
W+
n
n,p
n,p
Quasi-Elastic ScatteringSciBooNE:
can clearly resolve final state
μ
p
W+
n
n,p
n,p
Quasi-Elastic ScatteringSciBooNE:
(J. Alcaraz)
preliminary
W+
n
n,p
n,p
Quasi-Elastic ScatteringSciBooNE:
(J. Alcaraz)
preliminary
final results
this summer!
preliminary
(T. Katori)
RFG with MA=1.35 GeV
RFG with MA=1.03 GeV
MiniBooNE with total error
NOMAD with total error (arXiv:0812.4543)
SciBooNE with preliminary errors
~
preliminary
(T. Katori)
RFG with MA=1.35 GeV
RFG with MA=1.03 GeV
MINOS, MINERA
preliminary
(T. Katori)
RFG with MA=1.35 GeV
RFG with MA=1.03 GeV
look forward to seeing
how this turns out
MINOS, MINERA
W+
n
n,p
n,p
NC Elastic ScatteringW+
n
n,p
n,p
NC Elastic ScatteringMiniBooNE:
(D. Perevalov)
W+
n
n,p
n,p
NC Elastic ScatteringSciBooNE:
(H. Takei)
(stat errors only)
preliminary
0
+
W+
n,p
n,p
n,p
n,p
Single Production0
+
W+
n,p
n,p
n,p
n,p
M(GeV)
NC 0 ProductionGGM, 240 NC 0 events
Nucl. Phys. B135, 45 (1978)
0
+
W+
n,p
n,p
n,p
n,p
NC 0 ProductionMiniBooNE:
0
world’s largest sample of NC 0 events
(important constraint for e)
21,542 NC 0 events (73% purity, 36% )
2,305 NC 0 events (58% purity, 36% )
0
+
W+
n,p
n,p
n,p
n,p
NC 0 ProductionMiniBooNE:
(C. Anderson)
0
+
W+
cos
p(GeV)
n,p
n,p
n,p
n,p
cos
p(GeV)
NC 0 ProductionMiniBooNE:
(C. Anderson)
0
+
W+
cos
p(GeV)
n,p
n,p
n,p
n,p
cos
p(GeV)
NC 0 ProductionMiniBooNE:
(C. Anderson)
first measurement
of absolute NC 0 diff’l
cross section
0
+
W+
n,p
n,p
n,p
n,p
NC 0 ProductionSciBooNE:
this is what a 0 event looks like in SB
0
0
+
W+
n,p
n,p
n,p
n,p
NC 0 ProductionSciBooNE:
(Y. Kurimoto)
preliminary
(NC 0)
(CC inclusive)
= 7.7 ±0.6(stat) ±0.6(prelim syst) x10-2
0
+
W+
n,p
n,p
n,p
n,p
CC + Production0
+
W+
n,p
n,p
n,p
n,p
CC + Production(S. Linden)
CC +/QE ratio
this has been
state of the art
ANL: Phys. Rev. D25, 1161 (1982), deuterium
0
+
W+
n,p
n,p
n,p
n,p
CC + Production(S. Linden)
CC +/QE ratio
26 years
later …
K2K: Phys. Rev. D78, 032003 (2008), carbon
0
+
W+
n,p
n,p
n,p
n,p
CC + Production(S. Linden)
CC +/QE ratio
paper
submitted
last month
MiniBooNE: arXiv:0904.3159 [hep-ex], carbon
0
+
W+
n,p
n,p
n,p
n,p
CC + ProductionMiniBooNE:
(M. Wilking)
v
0
+
W+
n,p
n,p
n,p
n,p
CC + ProductionMiniBooNE:
(M. Wilking)
(E), d/dQ2, d2/dTd, d/dT, d/d,
d/dT, d/dd2/dTd
0
+
W+
n,p
n,p
n,p
n,p
CC + ProductionMiniBooNE:
(M. Wilking)
first measurements
of absolute CC +
diff’l cross sections
(E), d/dQ2, d2/dTd, d/dT, d/d,
d/dT, d/dd2/dTd
0
+
W+
n,p
n,p
n,p
n,p
CC + ProductionSciBooNE:
has probed this interaction even further
+
+
rare
0
+
W+
n,p
n,p
n,p
n,p
CC + ProductionSciBooNE:
(K. Hiraide)
coherent
prediction
SciBooNE
PRD 78, 112004 (2008)
FNAL W&C November 2008
0
+
W+
n,p
n,p
n,p
n,p
CC + ProductionSciBooNE:
(K. Hiraide)
coherent
prediction
SciBooNE
PRD 78, 112004 (2008)
stay tuned!
FNAL W&C November 2008
to recap:
CC +/QE ratio in E
CC QE d2/dTd
(T. Katori) d/dQ2, (E)
NC EL d/dQ2
(D. Perevalov)
CC +
(M. Wilking)
, NC 0
(C. Anderson)
CC QE (E)
(J. Alcaraz)
NC EL d/dTN
(H. Takei)
, CC + coherent +
(K. Hiraide, H. Tanaka)
NC 0 (NC0)/(CC)
(Y. Kurimoto)
(S. Linden, J. Nowak)
MiniBooNE
(2002-2009)
d/dT, d/dd2/dTd
d/dT, d/d, d2/dTd
d/dQ2, (E)
many firsts!
d/dp
d/d
SciBooNE
(2007-2009)