\documentstyle[11pt,apsab]{article}
\nofiles
\MeetingID{DNP08}
%\DateSubmitted{20080701}
%\LogNumber{DNP08-2008-000463}
\SubmittingMemberSurname{Jones}
\SubmittingMemberGivenName{Richard}
%\SubmittingMemberID{60028219,USA}
\SubmittingMemberEmail{richard.t.jones@uconn.edu}
\SubmittingMemberAffil{University 
of Connecticut}
\PresentationType{oral}
\SortCategory{12.}{}{}{}
\received{01 
Jul 2008}
\begin{document}
\Title{A Novel Design of a High-Resolution Hodoscope 
for the Hall D Tagger based on Scintillating 
Fibers}
\AuthorSurname{Jones}
\AuthorGivenName{Richard}
%\AuthorEmail{richard.t.jones@uconn.edu}
\AuthorSurname{Senderovich}
\AuthorGivenName{Igor}
%\AuthorEmail{senderovich@phys.uconn.edu}
\AuthorSurname{Nettleton}
\AuthorGivenName{Carl 
}
%\AuthorEmail{nettleton@phys.uconn.edu}
\AuthorAffil{University of 
Connecticut}
\AuthorSurname{Collaboration}
\AuthorGivenName{GlueX 
}
\thanks{photon beam working group}
\CategoryType{E}
\begin{abstract}
The 
tagging spectrometer designed for Hall D is instrumented with
two hodoscopes, a low-resolution array spanning the full photon
energy range from 3 to 11.6 GeV, and a high-resolution
``microscope'' covering just the region of the primary peak in
the coherent bremsstrahlung spectrum in the range 8.4 - 9.0 GeV.
 The microscope is constructed of a two-dimensional array of
square scintillating fibers several cm in length, whose axes are
aligned with the tagging electron trajectories.  The motivation
for the segmentation in both x and y is presented.  Various
components of the detector have been prototyped and tested on the
bench, including in particular the silicon photomultiplier (SiPM)
that will be used to detect the scintillations.  Custom
electronics for this readout have been designed that are adapted
to the peculiar features of the SiPM devices.  A small-scale
prototype of the microscope is under construction, to be tested
in an electron beam in the near future.
\end{abstract}
\end{document}

