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== Minutes and Documents from the High Energy Materials Diffraction Beamline Advisory Group == 

The High Energy Materials Diffraction [[Beamline Advisory Group|BAG]] advises the MC group leader and APS management on instruments and infrastructure related to high energy x-ray diffraction microscopy (HEDM) and high-energy wide-angle and small-angle diffraction of materials and biomaterials, 
work primarily done at 1-ID. The membership of this committee can be found on the appropriate [http://www.aps.anl.gov/Xray_Science_Division/xor_committees.html XSD web page].

=== July -- August 2009 ===

The HEMD BAG was sent on July 23 
[http://wiki-ext.aps.anl.gov/xsdbag/images/2/22/HEdiffBAGemail2009Jul23.pdf (view e-mail)]
a short outline/justification [http://wiki-ext.aps.anl.gov/xsdbag/images/0/03/HEdiffBAG_1ID_upgrade2009Jul23.pdf (view here)]
for the proposed Phase-II upgrade of 1-ID. 

The same proposal was also sent to the [[Structural Characterization]] BAG on Aug 5
[http://wiki-ext.aps.anl.gov/xsdbag/images/5/54/CrystBAG_1ID_email2009Aug5.pdf (view e-mail)]. The chair stated in response "I am certainly in favor of the proposed construction of a new hucth so that each of the major programs at 1-ID can have dedicated space and keep their setups in place and optimized. There will clearly be benefits for all of the high energy programs at 1-ID. Repeatedly tearing down setups and rebuilding them is a waste of time and leads to less than optimal experiments."

The HEMD BAG discussed this proposal privately and responded with a three page memo 
[http://wiki-ext.aps.anl.gov/xsdbag/images/6/6d/HEdiffBAG_MurrayLtr2009Aug7.pdf (view memo)]
in support of the upgrade
that was sent by e-mail on Aug 7 to APS management 
[http://wiki-ext.aps.anl.gov/xsdbag/images/7/7a/HEdiffBAG_MurrayEmail2009Aug7.pdf (view e-mail)].