[Cuga] PAC38 Call for Proposals- A message from Bob McKeown

[Lorelei Carlson]

  Program Advisory Committee Meeting - PAC38

March 1, 2011

PAC38 will be held during the week of August 22, 2011 and will continue 
the call for 12 GeV science proposals. As in the recent past, the 
criterion for approval of new proposals will be that the proposal 
represents "high quality physics that, based on what we know today, is 
highly likely to be of sufficient scientific merit that it will be 
included in the top half of the priority list to be established for the 
first 5 years of 12 GeV operations." */The deadline for submission of 
proposals and updates is Friday, July 1, 2011./*

In addition to considering new proposals (in all categories), PAC38 will 
complete the process of assigning scientific priority and beam time to 
previously-approved and conditionally approved proposals by considering 
proposals in Category 4: " The 3D structure of the hadrons ". */Updates 
to PAC38 for previously approved and conditionally approved proposals in 
Category 4 must be submitted no later than Friday, July 1, 2010./*  Note 
that at this PAC and all future PACs, the assignment of scientific 
priority and beamtime for new proposals will be made at the first PAC at 
which the proposal is accepted.

*/Proposals and updates for PAC38 should be submitted electronically 
using the instructions at 
/**/http://www.jlab.org/exp_prog/PACpage/instructions.html/*


  New Proposals

Detailed information on the process for proposal submission is available 
at http://www.jlab.org/exp_prog/PACpage/guidelines.html. Some details of 
the submission process have changed recently so please read the 
guidelines with care. Note that we no longer require identification of a 
contribution to construction of the base equipment in the 12 GeV 
upgrade. However you are encouraged to provide such identification as 
appropriate and this information may be useful to the PAC. Note also 
that experiments may be proposed that use either significant new 
ancillary equipment or major new apparatus. The proposal submission 
guidelines provide more details about the additional information 
required of such proposals.

New proposals will be granted a 30 minute presentation in a public 
session at the PAC meeting. Following the public presentation session 
the PAC will continue its discussions in closed session, and at least 
one spokesperson should be available either in person or by phone for 24 
hours after the public session to answer questions as the PAC's 
discussion progresses. Proposals will, if approved, be given a 
scientific rating and a beamtime allocation.


  Conditionally Approved Proposals

The PAC may conditionally approve proposals when additional requirements 
must be fulfilled before full approval is granted. There are two 
categories of conditional approval:

·         C2 -- must return to the PAC to address concerns or issues to 
obtain approval,

·         C1 -- must meet designated technical requirements to obtain 
approval from laboratory management -- further PAC review is not required.

The rule for newly conditionally approved 12 GeV proposals is that they 
must return for approval at one of the next 2 consecutive PAC meetings 
following the PAC at which they received the conditional approval status.

Proposals that received C2 status as a previous PAC may return to PAC38 
to be considered for approval. */Conditionally approved (C2) proposals 
in Category 4 MUST return for review at this PAC or be considered as 
withdrawn./*

Proposals with previous conditional approval (C2)  that wish to be 
considered for approval at PAC38 should submit an updated proposal and 
will be granted a 30-minute presentation at the PAC meeting. Following 
the public presentation session the PAC will continue its discussions in 
closed session, and at least one spokesperson should be available either 
in person or by phone for 24 hours after the public session to answer 
questions as the PAC's discussion progresses. If approved, the proposals 
will be considered for rating along with the other approved proposals in 
the grading session.**

*Grading and Prioritization***

Proposals receiving approval at PAC38 in the 5 previously graded 
scientific categories will receive scientific ratings and beamtime 
allocations based on the committee's consideration of the proposal and 
the presentation at PAC38.

*Grading Session for Category 4***

For previously approved proposals in Category 4, there will be an open 
grading session to facilitate scientific ratings and beamtime 
allocations. The session will begin with an overview/summary talk by a 
rapporteur. This will be a 45 minute talk summarizing the physics of the 
category, discussing each of the approved and conditionally approved 
proposals in the context of this category, and addressing how the 
proposals complement/supplement/overlap each other. The rapporteur's 
summary will be followed by short presentations (three slides only, see 
below) by the spokespersons for each previously approved experiment in 
Category 4. *Spokespersons of each experiment undergoing the 
prioritization review are asked to suggest knowledgeable scientists who 
they would recommend as rapporteurs for the category of their proposal 
by Friday, March 4, 2011.* The rapporteur would, ideally, have no 
conflict of interest as a member of one or a few of the proposals in the 
category, or, alternately could be involved in all of them. We will 
identify the rapporteur well before the PAC meeting and ask them to 
provide all spokespersons with copies of their intended viewgraphs prior 
to the presentation so that spokespersons will have the opportunity for 
constructive criticism. The talk will, however, in the end, represent 
the rapporteur's judgment and thoughts. Following this public session 
the PAC will continue its discussions in closed session. At least one 
spokesperson should be available either in person or by phone for 24 
hours after the public session to answer questions as the PAC's 
discussion progresses.

(Note that experiments in Category 4 that were conditionally approved at 
previous PACs will not be included in the public presentation session 
with the rapporteur as they will have had the opportunity to make a full 
"standard" presentation to this PAC as part of the review of their 
conditional approval status.)

For the grading session, the documents to be provided for 
previously-approved proposals in Category 4 include:

   1. A brief written update (a few pages to 10 pages maximum) summarizing:
          * the scientific case for the proposal (emphasizing
            developments since the written proposal that are relevant) and
          * technical progress toward realizing the experiment. */If
            there have been any significant changes in the plans for the
            technical realization of the measurement in the proposal,
            these must be presented in sufficient detail that the JLab
            Technical Advisory Committee (TAC) can consider the changes
            with care. The 10 page limit will be relaxed in this case,
            and the proponents given sufficient space to provide
            technical details at the level of their initial proposal
            submission. /*

The updates are due on *July 1, 2011*, and should be submitted 
electronically (as for new proposals but clearly labeled "UPDATE 
E12-XX-XXX" in the proposal title). The PAC members assigned as primary 
readers will contact the spokesperson with any questions (or a statement 
that there are no questions) at least 1 week before the PAC meeting.

   2. A set of three slides (no animation or overlays please) to be
      shown in the "open" portion of the grading session, with content
      as follows:
          * The first slide should summarize the scientific case for the
            experiment.
          * The second should summarize the anticipated data and its
            projected accuracy (e.g. range of relevant variables covered
            and the statistical and systematic errors anticipated at the
            nominal beam request).
          * The third slide can be anything else the collaboration would
            like to add that they feel is relevant.

If more than 3 slides are included in the presentation, the speaker will 
be requested to stop after the first 3 slides.*The slides will be due on 
or before Wednesday, August 17, 2011 *(the middle of the week before the 
PAC meeting).

*Prioritization of Run Groups*

There are a large number of experiments (currently only in Hall B) that 
have been organized into "run groups". Run groups include multiple 
experiments that can take data simultaneously on different and/or 
related physics using the same detector, target, and beam conditions. In 
addition to the individual experiment ratings reviews discussed above 
for the experiments within the run groups, we will carry out a review of 
the run groups themselves to establish their overall scientific 
priority. This will be done in a PAC session roughly one year before 
CLAS12 starts taking data. If similar situations evolve in the other 
halls we will do a similar "overall scientific priority" assignment to 
the run groups that evolve there.


  PAC Results

The results of the PAC's deliberations will become public as follows: 
the list of scientific ratings and beam time allocations will be 
provided to the Hall Leaders at the PAC closeout and then posted on the 
PAC38 website within 24 hours. The final written PAC report will be 
posted on the PAC38 website and the user community notified by email as 
usual.

*Appendix: The Scientific Categories for 12 GeV Proposals*

   1. *The Hadron spectra as probes of QCD (rated)*
       (GlueX and heavy baryon and meson spectroscopy)
   2. *The transverse structure of the hadrons (rated)*
       (Elastic and transition Form Factors)
   3. *The longitudinal structure of the hadrons (rated)*
       (Unpolarized and polarized parton distribution functions)
   4. *The 3D structure of the hadrons (to be rated at PAC38)*
       (Generalized Parton Distributions and Transverse Momentum
      Distributions)
   5. *Hadrons and cold nuclear matter (rated)*
       (Medium modification of the nucleons, quark hadronization, N-N
      correlations, hypernuclear spectroscopy, few-body experiments)
   6. *Low-energy tests of the Standard Model and Fundamental Symmetries
      (rated)*
       (MOLLER, PVDIS, PRIMEX, .....)

 

Lorelei Carlson
User Liaison Office
Jefferson Lab
12000 Jefferson Avenue
Suite 16
Newport News, VA 23606
lcarlson at jlab.org
(757) 269-6388 (office)
(757) 269-6134 (fax)

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