Approvals of Mission Need Statements

From: Mike Shaevitz (
Date: Tue Nov 29 2005 - 14:47:48 CST

*From:* Staffin, Robin []
*Sent:* Tuesday, November 29, 2005 8:08 AM
*To:* Abe Seiden; ''; 'Drell, Persis S.'; Dorfan, Jonathan
(SLAC); ''; Oddone, Pierre (FNAL);
''; ''; '';
''; ''; '';
*Cc:* Byon, Aesook
*Subject:* Approvals of Mission Need Statements

This is to inform the High Energy Physics community that the Director
of the Office of Science, Dr. Ray Orbach, has approved the Mission Need
Statements for the following potential new medium scale initiatives.

      * A generic accelerator-based electron neutrino appearance
        experiment to measure neutrino mixing and to probe the neutrino
        mass hierarchy
      * A generic reactor-based neutrino detector to precisely measure
        neutrino mixing (q_13 )
      * A generic ground-based dark energy experiment
      * A generic neutrinoless double beta decay experiment to probe the
        Majorana nature and an absolute mass scale of neutrinos

As announced previously, the request for the approvals of the
following two potential new medium scale initiatives will shortly follow:

      * A high-intensity neutrino beam (Super Neutrino Beam) for neutrino
        CP-violation experiments
      * A generic underground dark matter experiment to search for direct
        evidence of dark matter

Note that an approval of Mission Need (commonly referred as CD-0
approval) does not equate to an approval to proceed with the
project, although it is a required step in the approval process for any
new major facility or experiment. Rather, It is an expression of intent
by the Office of High Energy Physics to the Department of Energy that we
plan to pursue these specific scientific topics and/or facility options.

The potential projects may be located in the U.S. or in other countries;
and there may be several options for the technology chosen to carry out
the experiment or to build the facility. If these initiatives move
forward, decisions such as technology choice and siting will come later
in the approval process. The DOE's project approval process has been
moving in parallel with scientific advisory processes (SAG, P5, HEPAP
etc) in order to be ready to move forward expeditiously. The
recommendations from the scientific advisory processes will be one of
key inputs in next steps to come.

We look forward to continuing interactions with the High Energy Physics
community to bring these exciting scientific opportunities to fruition.

Robin Staffin

Associate Director for High Energy Physics

Office of Science

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