and neutrino properties \cite{geer,abp,bgw,suite}.  In a 
classes:\cite{janetc}
	\cite{SKatm,SKLyon}.  These results suggest the oscillation $\nu_{\mu}
	\item The LSND experiment \cite{LSND} reports the observation of
From the celebrated two-neutrino experiment \cite{twonu} to modern 
discovery of weak neutral-current interactions \cite{weaknc}, and 
the strong interactions \cite{rmpnurev}.  The determinations of the 
%   \cite{sgeer}                                                %
%   oscillations.\cite{nucp}                                    %
by~\cite{gaisser}:
and is approximately\cite{CCFRsigma}:
Figure~\ref{tau_fig} shows the calculated~\cite{goodman} 
Ref.~\cite{casper} are used, the predicted event rates are 20--30\%
masses is generally regarded to be the seesaw mechanism~\cite{seesaw}, 
%evidence for solar $\nu_e$ disappearance \cite{sol} and atmospheric 
%$\nu_\mu$ disappearance \cite{kam} - \cite{macro} has been observed, while 
%reactor $\bar{\nu}_e$ disappearance~\cite{chooz} has not been seen.  
%$\nu_\mu \rightarrow \nu_\tau$ appearance interpretation~\cite{learned}.  
%collaboration \cite{lsnd} but have not been confirmed or ruled out by the 
%KARMEN group \cite{karmen}.  Scenarios will be presented 
unitary Maki-Nagawa-Sakata (MNS) matrix\cite{mns}. We
the baseline. Some examples from Ref.~\cite{shrock} are shown in 
The CHOOZ results~\cite{chooz} imply:
\nu_\tau$ \cite{learned}, and in the one-mass-scale-dominant 
best fit from the SuperK experiment \cite{sk} yields 
value of $\delta m^2_{atm}$, $2.5 \times 10^{-3}$ \cite{sk}; we shall use 
Note that the Jarlskog J-factor~\cite{jarlskog} 
LSND appearance results~\cite{lsnd}
by a Schwarz inequality on the leptonic mixing elements \cite{bilenky}: 
Heidelberg-Moscow $\beta\beta_{0\nu}$ decay experiment \cite{h-m} giving 
and is conveniently chosen to be \cite{donini}
\nu + e^-$ elastic scattering to be consistent with SuperK measurements~\cite{sk}.  
The CHOOZ constraint~\cite{chooz} from $P(\bar{\nu}_e \rightarrow 
while the LSND constraint \cite{lsnd} from $P(\nu_\mu \rightarrow \nu_e)$ is:
SuperK is convincing \cite{evidence}. 
at near maximal mixing, $\sin^2 2\theta \sim 1$ \cite{Kajita}.
is disfavored by the SuperK data and is ruled out by the CHOOZ~\cite{CHOOZ} 
and PaloVerde \cite{PaloVerde} experiments.  
on that exist~\cite{Learned,Kajita}.  
K2K \cite{K2K} will cover $\delta m^2 > 2 \times 10^{-3}~{\rm
  eV}^2$ after 3--5 years of running, and MINOS \cite{MINOS} will
2005), OPERA \cite{OPERA} and ICANOE \cite{ICANOE} both aim primarily
(30~kt calorimeter)~\cite{MONOLITH} or AQUARICH (novel 1~Mt Water
Cherenkov)~\cite{AQUARICH}.  They may study atmospheric neutrinos and
LSND experiment \cite{LSND}, Mini-BooNE
\cite{Mini-BooNE} is expected to cover the entire preferred region of 
limits from CHOOZ~\cite{CHOOZ} and Palo Verde \cite{PaloVerde} require
\cite{Valle}),
The SNO \cite{SNO} detector 
Borexino \cite{Borexino}
neutrinos (esp. $pp$): HELLAZ, HERON, LENS, etc (see \cite{Lanou} for 
KamLAND \cite{KamLAND} will look for
ring, at a baseline length of 2800km \cite{bgrw00}.
CCFR/NuTeV calorimeter~\cite{nutevdet}, but with the addition of a toroidal 
collaboration~\cite{nutevpub}, modified to include particle tracing in the
~\cite{nutevdet}, and is approximately given by 
This has been proposed~\cite{forty} for use 
spacer~\cite{strolin}.  
2~T field and a 1.2~mm thick spacer \cite{para}.  
magnet, which has a magnetic field ranging from 2 to 5 Tesla~\cite{para}. 
According to the OPERA studies~\cite{opera}, 
Refs.~\cite{cerv00, bgrw00, bern00, camp00}. 
wrong--sign muon~\cite{geer98}. 
and determine the pattern of neutrino masses~\cite{bgrw99}. 
It is useful to define~\cite{bgrw00} the $\sin^22\theta_{13}$ 
$L = 2800$~km. The calculation~\cite{bgrw00} 
$\delta m^2_{32}$ to be unambiguously determined~\cite{bgrw99}. 
The reach improves with energy (approximately $\sim E^{-1.6}$~\cite{bgrw00}) 
section~\cite{camp00}. The main advantage of 
downstream of a 30~GeV neutrino factory~\cite{camp00}.
give consistent results~\cite{camp00}, and that the uncertainties 
10\%~\cite{camp00,cerv00}. This provides a quantitative test of the 
by $10^{21} \mu^-$ decays~\cite{cerv00}. Fit results in the 
by $10^{20} \mu^-$ decays~\cite{camp00}. 
neutrino factory in which there are $10^{21} \mu$ decays~\cite{cerv00}. 
driven by the sub--leading $\delta m^2$ scale might be observed~\cite{bgrw00}. 
section~\cite{bgrw00}. 
systematic uncertainties will be significant~\cite{bern00}. 
followed by $10^{20} \mu^-$ decays~\cite{camp00}. The sensitivity to the 
neutrino factory~\cite{cerv00,bgrw00}. 
by $10^{21} \mu^-$ decays in the beam--forming straight section~\cite{cerv00}. 
no experiment has had sufficient statistics to perform such an analysis with high accuracy\cite{VallageThesis}.
$Q^{2}  \gt 0$.  According to the Adler theorem \cite{Adler} the cross
present in $\mu$/e - A scattering.  Boros et al \cite{Boros} predict
In a more quantitative analysis, Kulagin \cite{Kulagin} used a
between valence and sea quarks.  Eskola et al \cite{Eskola} quantified this
\cite{SAMPLE} with very low statistics. A neutrino factory
neutron and hyperon beta decays \cite{betadecays}.
A very promising target technology is the 'ICE' target \cite{ICE},
$\sim 5\times 10^{-3}$ \cite{E791,CLEO}.  BaBar expects to have sensitivity to
luminosity \cite{BaBar}.  These measurements are ultimately limited by
currently limited by statistics\cite{nutev-wma}, although difficult
systematics that will ultimately limit the measurements\cite{numcbook}.
observed approximately $5000$ events \cite{CHARMII}.
experiment\cite{ICANOE} might be ideal for such a measurement.  Another
For an isoscalar target, the neutral current rates can be related to the charged current rates via \cite{LL-SMITH}:
of neutrino and anti-neutrino rates \cite{ref:paschos} but with a consequent
The most precise measurement to date is from the NuTeV collaboration \cite{NuTeV:prelim} of
mixing with their lighter neutrino counterparts \cite{GLR,Shrock}. The
been previously calculated \cite{Bolton}. Since the decay
E815 (NuTeV) \cite{NuTeVNHL,NuTeVQ0}.
$6.0\times 10^{-6}$ in the low mass region \cite{PDB,Shrock}. 
to include a right--handed neutrino or with left--handed neutrinos which have mass, the expected  magnitude of the \cite{shrock} neutrino magnetic moment
\cite{frank} and calculations that invoke large extra dimensions easily
yield $10^{-11}\mu _{B}$ or larger \cite{ng}.
neutrinos \cite{beacom}\cite{mu_e_limit} and $\mu _{\nu }\leq 7.4\times
10^{-10}\mu _{B}$ for muon neutrinos \cite{mu_mu_limit}. Astrophysical
stars \cite {star1} implies $\mu _{\nu }\le  10^{-11}\mu _{B}$,
while the neutrino energy loss rate from supernova 1987a \cite{star2}
We have explored the possibility \cite{norbert} of using two existing
number of CC events ($ N$) observed in a 50 kton \cite{geer_2day} far
$BR(\mu \to e \bar{\nu}_\mu \nu_e) < 1.3\%$\cite{PDG}.  Indirect limits are
decay rate has been limited to 8\%\cite{PDG}.
constrain electroweak parameters\cite{PDG}.  To first order,
The experimental determination is\cite{PDG}:
on the couplings $\lambda$ are reviewed in Ref.~\cite{dreiner}.
Estimates for allowed rates are in progress~\cite{quigg}.
emulsion sheets~\cite{emulsion} suggest that we can expect $\tau$