PAC37 Charge 1 1.) Review new proposals, previously conditionally approved proposals, and letters of...
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PAC37 Charge (cont’d) 3 2.) For the 12 GeV program category “Low-energy tests of the Standard Model and Fundamental Symmetries”, review previously approved proposals (including those recommended for approval at this PAC meeting under charge element 1) and recommend a scientific rating and beamtime allocation. The grading should be consistent with the well-established “scale” used for the scientific priorities in the past at Jefferson Lab.
Transcript of PAC37 Charge 1 1.) Review new proposals, previously conditionally approved proposals, and letters of...
PAC37 Charge
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1.) Review new proposals, previously conditionally approved proposals, and letters of intent† for experiments that will utilize the 12 GeV upgrade of CEBAF and provide advice on their scientific merit, technical feasibility and resource requirements.
Identify proposals with high-quality physics that, based on what we know today, are of sufficient scientific merit that they will be included in the top half of the priority list to be established for the first 5 years of 12 GeV operations and recommend for approval.
Identify other proposals with physics that have the potential for falling into this category pending clarification of scientific and/or technical issues and recommend for conditional approval. Provide comments on technical and scientific issues that should be addressed by the proponents prior to review at a future PAC.
† Letters of intent will be given the same “rights” to their scientific ideas as are currently afforded to deferred experiments
Conditional Approval
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Two types:
C1 – approval pending technical review, no need to return to PAC
C2 - approval pending further review byfuture PAC
PAC37 Charge (cont’d)
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2.) For the 12 GeV program category “Low-energy tests of the Standard Model and Fundamental Symmetries”, review previously approved proposals (including those recommended for approval at this PAC meeting under charge element 1) and recommend a scientific rating and beamtime allocation. The grading should be consistent with the well-established “scale” used for the scientific priorities in the past at Jefferson Lab.
“Grading” Session I
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Monday afternoon
“Grading” Session II
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Tuesday morning
Remainder of sessions
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Tues. afternoon: The Hadron spectra as probes of QCD (1 prop.) The longitudinal structure of the hadrons (1 prop.)
Wed. morning: The transverse structure of the hadrons (3 prop.)
Wed. afternoon: Hadrons and cold nuclear matter (3 prop.)
Thurs. morning: The 3D structure of the hadrons (4 prop.)Note: no rating or beamtime allocation
Thurs. afternoon: LOI’s
12 GeV Approved Experiments by Physics Topics
Topic Hall A Hall B Hall C Hall D Total
The Hadron spectra as probes of QCD (rated) (GluEx and heavy baryon and meson spectroscopy) 1 1
The transverse struture of the hadrons (rated) (Elastic and transition Form Factors) 4 2 2 8
The longitudinal structure of the hadrons (rated) (Unpolarized and polarized parton distribution functions) 1 2 4 7
The 3D structure of the hadrons (unrated) (Generalized Parton Distributions and Transverse Momentum Distributions) 2 7 2 11
Hadrons and cold nuclear matter (rated) (Medium modification of the nucleons, quark hadronization, N-N correlations, hypernuclear spectroscopy, few-body experiments) 1 2 4 7
Low-energy tests of the Standard Model and Fundamental Symmetries (to be rated at PAC 37) 2 1 3
TOTAL 10 13 12 2 37
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12 GeV Approved Experiments by PAC Days
Topic Hall A Hall B Hall C Hall D Total
The Hadron spectra as probes of QCD (rated) (GluEx and heavy baryon and meson spectroscopy) 120 120
The transverse structure of the hadrons (rated) (Elastic and transition Form Factors) 144 70 118 332
The longitudinal structure of the hadrons (rated) (Unpolarized and polarized parton distribution functions) 23 120 118 261
The 3D structure of the hadrons (unrated) (Generalized Parton Distributions and Transverse Momentum Distributions) (190) (801) (80) 1071
Hadrons and cold nuclear matter (rated) (Medium modification of the nucleons, quark hadronization, N-N correlations, hypernuclear spectroscopy, few-body experiments) 5 100 102 207
Low-energy tests of the Standard Model and Fundamental Symmetries (to be rated at PAC 37) (592) (88) 680TOTAL 954 1091 418 208 2671
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Approved ExperimentsProposal Contact Person Physics Energy
(GeV)PAC days
Parallel Running
Run Group days
Comment
E12-09-003 Gothe, Mokeev N* at high Q2 11 40
80
2020
120
E12-06-119(a) Sabatie DVCS pol. beam 11 80
E12-06-112 Avakian ep→eπ+/-/0 X 11 60
E12-06-108 Stoler DVMP in π0,η prodL/T separation
11 80
8.86.6
2020
E12-06-119(b) Sabatie DVCS pol. target 11 120 120
505
175
Assume polarized
experiments run 50% of time w/ reversed
field
E12-06- 109 Kuhn Long. Spin Str. 11 80
E12-07-107 Avakian TMD SSA 11 103
E12-09-007(b) Hafidi Partonic SIDIS 11 103
E12-09-009 Avakian Spin-Orbit Corr. 11 103
E12-06-106 Hafidi Color Trans. ρ0 11 40 100 100 Different nuclear targetsE12-06-117 Brooks Quark Hadronizat. 11 60
E12-06-113 Bültman Neutron Str. Fn. 11 40 40 40 condition. approved
E12-07-104 Gilfoyle Neutron mag. FF 11 3056
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82007/008
needs 26d reversed
fieldE12-09-007(a) Hafidi Partonic SIDIS 11 56
E12-09-008 Contalbrigo Boer-Mulders w/ Kaons
11 56
Total 1091 5179
CLAS12 Hall B
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