APS User News-at-a-Glance
Issue 9; September 7, 2001

Contents:

1.

Wayne Hendrickson Selected as the 2001 APS Compton Award Recipient

Gopal Shenoy named as Interim Associate Laboratory Director for the APS

Eleventh Users Meeting for the APS Set for October 9-11, 2001

User Survey 2001 to Close September 14

CCRP/PEB Meetings To Be Held in September and October

DOE-BES Baseline Program Review Slated for October 16-18, 2001

Study Guide for User Orientation Now on the Web

8.

Check Your User Badge

9.

Contact Your Host CAT before Bringing Materials or Samples to the APS

10.

Operations Update

1.

Wayne Hendrickson Selected as the 2001 APS Compton Award Recipient
(Contact: strasser@aps.anl.gov)

Wayne A. Hendrickson of Columbia University has been selected to receive the 2001 Advanced Photon Source Arthur H. Compton Award. In announcing their choice, the selection committee emphasized the importance of Hendrickson's contributions in the development and use of multiwavelength anomalous diffraction (MAD) methods, which have revolutionized the use of synchrotron radiation in the field of structural biology. Dr. Hendrickson will receive this award at the Opening Session of the Eleventh Users Meeting for the Advanced Photon Source (October 9-11, 2001) and will deliver the Compton Lecture at that time.

Gopal Shenoy named as Interim Associate Laboratory Director for the APS
(contact: rt@aps.anl.gov)

In a memo to Argonne staff dated August 31, 2001, Argonne Director Hermann Grunder announced the appointment of Gopal Shenoy as the Interim Associate Laboratory Director (ALD) for the Advanced Photon Source effective September 4, 2001. Dr. Shenoy will serve in this capacity until a permanent ALD is appointed. Grunder's memo also pointed out that the "Laboratory has benefited greatly over the past many year from David's (Moncton's) leadership at the APS, his commitment to excellence, and his enormous energy."

Eleventh Users Meeting for the APS Set for October 9-11, 2001
(Contact: vanni@aps.anl.gov)

The Eleventh Users Meeting for the APS offers a number of opportunities to learn about the exciting science currently taking place here. Six topical workshops, two user science sessions, a poster session, adjunct meetings, a vendor exhibit, and social events are all described on the User Meeting Web site: http://www.aps.anl.gov/conferences/11um/

You can register on line (and arrange to pay with Visa or Master Card) at this Web address: http://www.aps.anl.gov/conferences/11um/registration.htm

Poster abstracts are now being accepted, and cash prizes will be offered for the best student posters. The call for poster abstracts and link to the submission form is located at this address: http://www.aps.anl.gov/conferences/11um/poster.htm

Finally, even if you are not coming to the User Meeting, if you are a badged user, you may still participate in the APS Users Organization Steering Committee elections. Go to the following Web site for details: http://www.aps.anl.gov/conferences/11um/election.htm


4.

User Survey 2001 to Close September 14
(Contact: dmm@aps.anl.gov)

The 2001 User Survey, designed as a follow-up to the first User Technical survey (conducted in 1999), will help the APS proactively address current and future user needs. If you are a badged user and have not yet completed this survey, go to the following Web site: http://www.aps.anl.gov/xfd/communicator/survey2001/survey.html

Results from the 1999 survey are located at http://www.aps.anl.gov/upd/usersurvey/

Results from the 2001 survey will be discussed at the Eleventh Users Meeting for the APS.


5.

CCRP and PEB Meetings To Be Held in September and October 2001
(Contact: strasser@aps.anl.gov)

The Construction/Commissioning Review Panel, which is chaired by L. Dean Chapman, will meet September 13-14, 2001, to assess construction or commissiong progress for all CATs in this stage of development. The APS Program Evaluation Board, chaired by Howard Birnbaum, will meet on October 24-26 to examine the scientific progress of three APS CATS, receive status reports from all prospective APS CATs, and review the scientific proposal of a new CAT. For further information about these reviews, contact Susan Strasser (strasser@aps.anl.gov).

6.

DOE-BES Program Review Slated for October 16-18,2001
(Contact: strasser@aps.anl.gov)

The DOE-BES Program Review of the APS is slated for October 16-18, 2001. Pedro Montano, DOE-BES Division of Materials Science and Engineering, is organizing this review. The agenda for this review includes overview presentations, scientific talks by APS users, a poster session, and informal discussions between the Review Committee members, APS CAT Directors, and APS Users Organization Steering Committee members.

7.

Study Guide for User Orientation Now on the Web
(Contact: strasser@aps.anl.gov)

The "APS Users Guide" (Parts 1 and 2) is now available on the Web. "Part 1: Pre-arrival Information" should be read by all prospective users either before or as soon as their initial visit is planned. Part 2, which is a study guide for on-site user orientation, can also be read in advance and should significantly shorten on-site processing time (from an average of 75 minutes to approximately 10 minutes). The Web addresses for both parts of the "APS Users Guide" is as follows:

Part 1: Pre-arrival Information: http://www.aps.anl.gov/xfd/communicator/user_guide/part_one/home.html

Part 2: APS 101 Study Guide: http://www.aps.anl.gov/xfd/communicator/user_guide/part_two/home.html


8.

Check Your User Badge
(Contact: strasser@aps.anl.gov)

Before you head to the APS for your next visit, please check your APS user badge. If it does not contain yellow stripes on a blue or red background, you have the old-style badge, which is no longer valid. New Department of Energy requirements stipulate that all APS user badges must display yellow stripes. Contact Diane Sandberg in the APS User Office (sandberg@aps.anl.gov) for information on how to exchange your old badge for a current one.

9.

Contact Your Host CAT before Bringing Materials or Samples to the APS
(glagola@aps.anl.gov)

Before planning your trip to the APS, please contact your host CAT to determine what you need to do to transport your materials and samples appropriately. The following Web address contains a listing of local CAT contacts: http://www.aps.anl.gov/xfd/communicator/user_guide/part_one/CAT_contacts.pdf

Although most users bring or ship samples according to APS guidelines, a recent incident involving improper transport of radioactive heavy atom soaking solution resulted in the researcher being unable to use this solution for his experiment.


10.

Operations Update
(Contact: avr@aps.anl.gov)

The last user run of the fiscal year 2001 is more than half over. This run is significant in that starting on September 12 and for the next 18 shifts, the APS will operate in the first official user period with the horizontal beam emittance reduced by 50%. This reduction of the horizontal emittance will improve the overall beam brilliance by at least a factor of two. An emittance reduction causes a reduction in beam lifetime; however, the APS users will not be impacted by the lifetime reduction since the APS will operate in the top-up mode, and the stored beam current will remain at 100 mA. The last 33 shifts of the run, which ends on September 29, will be dedicated to hybrid fill operation with a small group of bunches isolated from the rest of the beam by gaps of approximately 1 microsecond in duration. At the end of this run, it is expected that the APS will have delivered to the APS users over 95% of the 5000+ hours of beamtime scheduled during this fiscal year.

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