Transcript
Page 1: :uitEiT:D - SLAC · 11/21/2003  · physicists one step closer to uncovering-dhe mysteries of the gamma ray sky. The project is an ... Despite the recent frenzy of the I&T Subsystem,

Ph i n ney Receives2003 Marshall D.-

-

O'Neill AwardBy Anna Goslinewith Foil

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with NASA, dii-msotilestone bringsphysicists one step closer touncovering-dhe mysteries of thegamma ray sky. The project is anexciting new horizon for particlephysics that could lead to discoveriesof cosmic proportions.

"The LAT detector will be the world'smost sensitive and massive space-based gamma -ray telescope when it islaunched in 2006,' said LAT principalinvestigator Peter Michelson (StanfordUniversity).

The energy range of the LAT will beunparalleled -from 10 MeV to over100 GeV-and much more sensitiveat detecting and deciphering highenergy gamma rays than any otherinstrument in space. This superiorrange and sensitivity will allow7

scientists to answer previouslyunimaginable questions.

Before it can take to the sky, SLACresearchers have to prove that it willwork seamlessly in the laboratory.

Testing Detector Prototype

"Early identification of problemsis crucial in the overall process ofputting a working instrument intospace," said Tune Kamae (AG)."Unlike traditional accelerator basedexperiments, GLAST will be totallyinaccessible for repair after launch.This imposes extremely rigorousstandards for the integration and testphase for the detector."

Under the management of ElliottBloom (EK), the LAT Integrationand Test (I&T) Subsystem teamsuccessfully assembled and tested asmall prototype of the LAT detector.According to Elliott, "The testing wentbeautifully and we are excited bythe results. The whole team worked

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Clean room where the LAT team tested the integrated detector with cosmic raymuons as well as gamma rays.

energy of gamma rays. These twocomponents were combined to createan integrated detector, workingtogether to decipher fingerprints ofgamma rays.

Tucked away in a 6,000 square footclean room, the LAT team testedthe integrated detector with cosmicray muons as well as gammarays generated by a Van De Graafaccelerator, originally used to test

(See GLAST, page 2)

really well together and achieved agreat deal."

These hardware tests focused on twocomponents of the LAT detector: thesilicon strip tracker and the cesiumiodide calorimeter. The tracker, fromInstituto Nazionale di Fisica Nucleare(INFN, Italy), measures the trajectoryand ultimately the source of celestialgamma-rays. The calorimeter, fromthe Naval Research Laboratory inWashington, D.C., measures the

2003 Marshall D.teething difficulties we didn't expect,"said Richter, who appointed PhinneySLC Program Coordinator in 1990.

As the leader of the SLC, shewas responsible for bringing thebeleaguered project up to its designstandards to produce large numbersof Z particles-a task she found bothharrowing and rewarding.

"The SLC was a very exciting project,"Phinney said. "It was the mostdifficult accelerator that anyone hadever worked on. It burned out a lotof people, but a whole generation ofyoung physicists went on to becomeleaders in their field at acceleratorsthroughout the world."

Phinney and her team of physicistsworked seven days a week, evenon holidays, to keep up SLCperformance. She even offered pizzacoupons to crews that deliveredrecord breaking numbers of z-particles. "By the end, they hadcoupons for more pizza than theycould ever eat," she said.

Under Phinney's guidance the SLCstarted to live up to its potential; shetackled problems bit by bit and neverpromised DOE review committeesmore than she could deliver. Butwhen funding for the final SLC runwas in doubt, Phinney strayed fromher usually conservative estimates ofSLC performance, confident in theenormous strides the team had made."I basically promised DOE the moonand we delivered it; 250 z-events anhour or bust!"

Without the dogged perseveranceof Phinney and her team, theSLC would not have contributedsuch advancements to physics.Experiments that used the SLC stillboast the world's best measurementof the critical weak mixing angle. Thismeasurement-which determinesthe degree of mixing betweenelectromagnetic and weak forces-is a

Phinney ReceivesBy Anna Gosline

Nan Phinney (NLC) was recentlyhonored by Stanford University withthe 2003 Marshall D. O'Neill Award.This award honors exceptionalStanford employees who havemade enduring contributions to theuniversity's research enterprise-andPhinney certainly fits the bill.

Award Recipient Nan Phinney (NLC)

For more than 22 years Phinney hasbeen providing steadfast leadershipto the Stanford Linear Collider (SLC),and has subsequently brought herhard-won wisdom to the Next LinearCollider (NLC) project.

"I think that it is wonderful that Nanhas won this award," said BurtonRichter, director emeritus of SLAC."She has done so many wonderfulthings for this laboratory, particularlyher work on the SLC."

After earning her doctorate inphysics from the State University ofNew York in Stony Brook, Phinneyworked at CERN for nine years. Shecame to SLAC in 1981 as one of thefirst physicists hired to work on theambitious SLC. This was the firstprototype of a new generation ofelectron-positron colliders built toproduce and study the Z-boson.

"The SLC was brand new technologythat turned out to have a lot of(See LCLS, page 2)

:uitEiT:D:00: -S DUMYi - I:

GLAST Milestone: Integration and Testing of Engineering ModelsBy Larry Wai awdLAnna Gosline "GLAST science topics include studywith . ^, /T AT-\of the most powerful accelerators in

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prjec, Large Aehe sone (LAT th universe, active galactic nuclei, asproject, a key exmponent of GLAST, ' oeta isoeyo h

y C 5=-- p well as the potential discovery of therecently sailed-+hough its first^^^ ^^ ,recentlysailg= its f elusive nature of Dark Matter," said

phase of tesfting wth great .success. Steven Kahn (KIPAC).Ffn~~llr4--Q o~&CS ifn PnnniIotifn-n

O'Neill Awvardkey parameter of the Standard Modelfor fundamental particles.

Since the final run of the SLC in 1998,Phinney has worked as the DeputyLeader of NLC Accelerator Physics, aninternational collaboration to build thenext generation linear collider basedon SLAC technology. Her experiencewith SLC has given her unparalleledinsight into the design of this projectas she continues to work for the futureof linear accelerators and particlephysics. 9

LC LS s Faste rwvith Foil

By Anna Gosline

Before it's even built, SLAC physicistsare making it better. Computersimulations have shown that byusing a cleverly placed piece ofslotted foil, the Linac CoherentLight Source (LCLS) will be ableto produce brilliant x-ray pulsesthat are a staggering 1 femtosecond(quadrillionth of a second) induration.

This is the latest achievement in along line of research completed inanticipation of the LCLS facility, dueto start construction in 2006. The onefemtosecond x-ray pulse length willallow physicists to see the fleetingmovement of matter at subatomicscales. "It's the holy grail of lightsources," says SLAC researcher PaulEmma (ARDA), who first imaginedthe foiling plot.

Without the foil insert, the x-ray pulsedesign standard is 230 femtoseconds;fast enough to record the makingand breaking of chemical bonds andatomic scale processes of liquid flow,melting and freezing. But there aretwo reasons to push for even shorterpulses.

Like the shutter speed on a camera,pulse length dictates the speed ofmovement that can be observed by alight source. "The shorter the pulselength the better the resolution. Youcannot observe phenomena that occurin the 1 femtosecond time scale witha 200 femtosecond pulse," said MaxComacchia (ASD), who coordinatedthe thin foil research for LCLS.

Long pulses of high energy radiationalso have a tendency to destroythe molecules they are trying toilluminate. Ultra-short pulses willallow researchers to use bright light to

SLAC ScenariosCommittee to Hold

Town MeetingTo discuss preliminary findings.

Tuesday, November 252:30-5:00 p.m.

in Panofsky Auditorium

Reception follows in AuditoriumBreezeway.

For more information, see:http://www-project.slac.

stanford.edu/ic/local/scenario

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GLAST LCLS(continued from page 1)

the Crystal Ball Detector in 1978.Huge samples of data were collectedin shifts around the clock and onweekends.

Technicians Reggie Rogers and JeffTice (both REG) got their first tasteof the rigors of space hardwaremanufacturing as they worked elbow-to-elbow with fellow aerospaceveteran Mark Molini (REG). Rogerscommented, "The manufacturingprocess for flight hardware is reallyimpressive in the level of care anddetail in documentation of theprocess. We've really got our workcut out for us for the next couple ofyears."

Accelerated Pace

Despite the recent frenzy of the I&TSubsystem, LAT Project ManagerLowell Klaisner (GLAST) expects thepace will accelerate as the researchcontinues and more components ofthe LAT are integrated into the fulldetector. "The entire facility will be abeehive of activity when integration ofthe LAT is in full swing starting in thesummer of 2004," Klaisner said.

Positive results at this early stagein development are promising forthe overall success of the completedLAT. The testing of the integratedengineering models is a crucial firststep towards manufacturing theentire LAT detector, which will be twoorders of magnitude more complex.The hard work and dedication of theLAT team gives every indication thatSLAC will rise to the challenge ofspace. 0

Rigging GroupMoves to EFDBy John Weisend

Riggers (I to r) Rich Torres, DavidEngesser, William Anderson and

Percy Clay.

On October 1, the SLAC RiggingGroup transferred from SiteEngineering and Maintenance(SEM) to the Experimental FacilitiesDepartment (EFD). The Rigging groupwill continue to provide site-widerigging support and assist with otherEFD activities as appropriate.

To schedule rigging support, eithercontact Torres directly (Ext. 2134or pager 377-9714) or through theSEM Service Desk (Ext. 8901, https://www-interal.slac.stanford.edu/sem/NonSafety). 0

(con tilnuecd ro1m page 1)view complex molecules before theybegin to break down.

The key to short x-ray pulses iscompressing the electron bunchesthat create them. In the LCLS,bunches will be shortened with bunchcompressors-3-sided detours inthe linac studded with four magnetsthat pull the electrons temporarilyoff course-similar to a traffic circle.The slotted foil will take advantageof the bunch orientation within thecompressor to weed out 99 percent ofthe electrons and produce an effectivebunch only 1 femtosecond long.

As electron bunches proceed downthe linac, they are pumped with 14.3billion electron volts of energy on therollercoaster of radio frequency (RF)waves. On their final dip towardsthe bunch compressor, the tail of theelectron bunch has more energy thanthe head. Like a race car on the insidetrack, the higher energy electronsat the end of the pack take a shorterroute around the bend and catch up tothe leaders, making the bunch shorter.

The slotted foil is placed at the crestof the bunch compressor's bend,where the electrons are spread outperpendicular to their trajectory. Amere 100 million electrons in thecenter of the bunch successfully passthrough the 250 micron (one millionthof a meter) slit in the foil; the other six

billion electrons penetrate the foil andare subsequently too hot and scatteredto produce x-ray radiation furtherdown the line. It is this selectivescattering that yields a 1 femtosecondslice of cool electrons, which thencreate the ultra-short x-ray pulse.

"Using a foil to scatter electrons isnothing new. We're just using thescattering in a different way," saidEmma.

How long is a femtosecond? In onesecond, an electron traveling near the

speed of light can almost reach the moon.In one femtosecond, it can just pass

through a sheet of plastic wrap.

San Francisquito Creek Council:10 Years and Running

By Judy Fulton They come together on a voluntaryhl-cic to rillc cc 'rooerek-rplatped concrns

Nestled in the foothills, SLAC issituated in an area that still has manyof the characteristics the Spanishexplorer Portola must have seen as hetraveled down San Francisquito Creekto his first view of the San FranciscoBay. Meandering along the southernperimeter of SLAC (see map) on itsway to the Bay, the Creek is one of thefew remaining habitats for steelheadfish in the Bay Area, and manyconsider it to be a regional treasure.

The San Francisquito Creek WatershedCouncil coordinates stewardship ofthe Creek and its surrounding land.October marks the tenth anniversaryof the Council.

Why the Council Exists

The San Francisquito Watershedencompasses an area of approximately45 square miles, from the Santa CruzMountains to San Francisco Bay.The San Francisquito Creek starts atSearsville Dam and flows throughmultiple jurisdictions, separating twocounties. It is regulated by multiplelocal, state and federal agencies.Because of the many stakeholdewith various viewpoints, the CrEWatershed Council was createdbetter coordinate protection of tfCreek and its watershed.

The Council's Mission

The Council works to preserveand enhance the Creek asa community resource.Representatives from publicagencies, local governments,community organizationsand individual citizens makeup the Steering Committee.

and to collaborate on creek andwatershed stewardship projects.

The Council's primary goals are toimprove water quality, to preserve andrestore wildlife habitat, and to reduceflood dangers in the San FrancisquitoWatershed. The Council sponsors orcoordinates on-the-ground restorationprojects, water quality monitoringand visual surveys, watershededucation, and policy support forlocal governments.

The Council's tenth year has beena busy one! Staff, members andvolunteers continue to engage thecommunity through outreach andeducation efforts, as well as focusingmedia attention on creek issues andrestoring the watershed.

You can contact Outreach CoordinatorKatie Pilat at 962-9876 Ext. 305 or e-mail: katiepCwActerra.org. For moreinformation on the Watershed Councilsee: http://www.acterra.org/watershed0

San Francisquito Creek runs south of SLAC.

Page 2 Interaction Point November 21, 2003

Calculated Concerns

The LCLS is a delicate and sensitivemachine, and researchers wereconcerned the proposed electronscatter could ruin the light sourcecompletely. Physicists didn't evenknow if a 1 femtosecond pulse waspossible until Zhirong Huang (ARDA)demonstrated it with computercalculations. Using the foil can alsointroduce a wakefield, a nuisanceeffect created by electrons as theytravel through the foil. Karl Bane(ARDA), Gennady Stupakov (ARDA)and Holger Schlarb (DESY) studiedthis potential problem and revealedthat it would not interfere with x-ray production. Finally, Dieter Walz(EFD) showed that the foil itselfcould withstand continual electronbombardment.

Using the foil also comes at a certaincost. Paring down the effectiveelectron bunch means that less x-raysare produced. Though the decreasedintensity will not be a limitingfactor for any planned experiment,researchers working on LCLSdesign are continually searching forways to shorten pulse length whilemaintaining the full intensity..

With the continued ingenuity ofSLAC researchers and support fromDOE, LCLS will be an internationallyunparalleled light source, givingscientists a look at the magic of matterat previously unimaginable scales. @

CompensationServices BasicsRu Sandra Czech

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c

00

Q_

Karen Lawrence and Carol Bechtel

SLAC's Human Resources departmentis comprised of five sub-groups, eachwith their own specialty. One ofthese is Compensation Services. Theworld of compensation can be mindboggling-what is the process, wheredo you begin and who do you talk to?

Compensation Services consists oftwo experts, Karen Lawrence (head)and Carol Bechtel, who have beenworking in the compensation fieldfor over 15 years each. One of theirmany functions is to "establish andmaintain appropriate salaries forstaff at SLAC-a moving target,"states Lawrence. The compensationdepartment works closely withdepartments, supervisors andemployees on job descriptions,reclassifications and reorganizations.

Due to the fact that job content,performance and market variablewages keep changing, CompensationServices reevaluates and analyzesjobs regularly. They also supportmanagers to attract, retain andreward employees. In addition totheir regular work, they work onlarge projects such as salary setting,surveys, and special studies, with bothStanford University and DOE as wellas with other labs.

To find out more about CompensationServices, see: http://www-group.slac.stanford.edu/hr/c/ 0

Tne

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Employee Training Assessment: A Day in the Life (·) , A J ,. ' J .

Why and HowBy Anthony lean-Baptiste

Proper training helps ensure workersafety. If people know how to do theirjobs safely, accidents are less likely tooccur, which is to everyone's benefit.

It's the Law and Common Sense

SLAC is required by federal, state andlocal laws to certify that all employeesreceive safety training appropriateto their daily work. To demonstratecompliance, we must record whohas taken which training courses.Though this requirement to recordand track training may seem like anadministrative burden, consider thissituation: someone in your work areais injured in a preventable accident.One of the first questions asked maybe, "Was the person trained to do thatwork task?" No one should be in theposition of working without propertraining.

ETA: Here to Serve

To identify and track training, theES&H training group developed atool called the Employee TrainingAssessment (ETA).

The ETA enables supervisors andES&H coordinators to assess whichtraining courses apply to whichemployees. A web-based databasetracks whether an employee hascompleted an assigned course.

Each employee's ETA must be updatedannually.

Cheat Sheet for Updates

If you are responsible for creating orupdating an employee's ETA, youneed two things:

1. The list of required courses for theemployee. The employee's supervisoror ES&H coordinator is responsiblefor providing this. They can use one ofthree forms:

* The Non-Hazard WorkerETA Planning Form: http://www.slac.stanford.edu/esh/training/eta/PlanNonHaz.pdf

* The Industrial/RadiologicalWorker ETA Planning Form:

Holiday Party:Festival of JoyBy Linda DuShane White

Enoying a previous Holiday Party.

Come one, come all! SLAC's annualHoliday Party will be held Thursday,December 18, from 11:30 a.m. to1:30 p.m. The aptly named Festivalof Joy will feature a gourmet turkeyluncheon presided over by caterer JeffMachado.

You'll be treated to wonderfulentertainment, too! Neil Calder(COM)- a gifted, humorousspeaker-will be the MC. Keepyour ears open for great jazz by theLeonard Webb Quartet. Feelinglucky? You may win a prize! Youmay choose to watch a movie inPanofsky Auditorium.

B/y Adiamn Edwards

http://www.slac.stanford.edu/esh/training/eta/PlanIndRad.pdf

* The No Change Form: http://www.slac.stanford.edu/esh/training/eta/PlanShort.pdf

2. Permission to Update the ETA.If you need computer permissionto update the ETA, please contactTraining Coordinator Rod Hiemstra(Ext. 3662).

Once you have the list and permission,you are ready to update the web-based database. Follow these simplesteps:

1. Go to the ETA's main page at http://www.slac.stanford.edu/esh/training/eta

2. Click on the last item in theleft-hand navigation menu, 'ETADatabase'.

3. Select criteria to search for a specificindividual or group of individualsby department. For example, you canview all individuals in HR by selectingthe 'OOC-Human Resources' option inthe 'Department' box.

4. Click the 'Submit' button.

5. You will see all the individuals thatfit the criteria selected in step three.

6. If there are no changes to anindividual's ETA, simply check thebox under the 'ETA No Chng' column,then click the 'Send' button at thebottom of the page.

7. If there are changes to anindividual's ETA, click on theemployee's 'Key number'.

8. You will see the individual's ETAwith the assigned courses in the firstsection and all available courses listedbeneath.

9. Make any necessary changes, andthen click the 'Send Changes' buttonat the bottom of the page to save thechanges.

For more information contactTerry Ash (Ext. 2688) or see: http://www.slac.stanford.edu/esh/training/eta a

Sharing Spirit with Others

We can look forward to the Festivalof Joy as a time when together we cancelebrate our own good fortune andshare it with others as well.

Share the joys of the season byparticipating in one or all of thecharitable giving campaignsbeginning on Monday, December 1(see details below).

For more information on the HolidayParty, see: http://www-project.slac.stanford.edu/holidayparty 0

Sharing Campaign Drives:12/1 - 12/18:

Second Harvest Food Drive

12/1 - 12/11:Family Giving Tree Wish Drive

Watch for dates:Blanket & Jacket Drive

PAFD Toys for Kids Drive

It's a sunny California afternoon andI'm giving a tour of our beautiful site.General public tours are usually themost exciting to do; I like the randommix of people-and questions-that Iencounter on these tours.

"So, what would happen if, say, I putmy hand in the beam?" a visitor asks.

"You'd probably get a nice hole in it.But that would never happen here. It'svery important that the beams don'tcollide with anything but themselves;that's why all the air is removed fromthe beam pipe."

There are those who wonder, "Whyisn't anybody ever working whereverwe go?" Others are curious about howthings work: "Thanks, I've alwayswondered what..."

Many bring their own stories to share:"I was reading my paper this morningafter breakfast and I was rememberingreading in the paper years ago aboutthis place opening. What year wasthat?"

Each tour has its own flavor, butinevitably eyes light up as the tourprogresses and I tell each group aboutthe work we do.

"Is that the accelerator there?" queriesanother curious visitor.

"Well, that's part of it. The actualbeam is about 25 feet below ground.But to power the beam we use 240klystrons. See the machines over therewith the red cylinders? They are linedup above the beam in this two milelong shed which is, in fact, the longestbuilding in the world. It's about 10feet longer than Hong Kong's airportterminal!"

of a Tour GuideFascinatingfacts are good toknow, but evenbetter to share.Both the guidesand the guidedcan enjoy the'gee-wiz' aspectof it all.

The PublicAffairs Office(PAO) runs Adam Edwards (BABAR

tours of SLAC enjoys guiding tours

most days.The general tour gives guests anintroduction to the Lab and then weusually take them from the VisitorCenter to the Klystron Gallery,through the research yard and to theSLD detector.

Anyone can guide tours and it'salways a fun experience! I'm agraduate student working with theBABAR collaboration, but I've foundthat people from all corners of SLACgive tours. Each of us gives our ownspin and highlights our own interests.It's like giving a tour of our home andeveryone just loves what we did withthe rooms.

At the end of the tour, guests alwayssay 'Thank You'. I feel good knowingthat I've been able to share themarvels of science and may eveninspire a new young scientist.

To learn about becoming a SLAC TourGuide-or to host your own groupof visitors-contact Emily Ball (PAO)in advance (Ext. 2620, [email protected]). 0

)

More of SLAC's History NowAvailable On-Line

By Jean Marie Deken

The SLAC History Website, maintained by theArchives and HistoryOffice, has recently beenexpanded to include thevarious SLAC histories thahave been written to datewith links to those availablelectronically. If you havetrouble remembering aURL you can reach the new

Fron thePanofskl,

history list by typing theterm 'SLAC history' in thesearch box at the top of the new SLACToday Web site, and selecting the firstlink in your search result.

Histories that are now availableon-line include Stanford HistoricalSociety feature articles from Sandstoneand Tile "Deeper and Deeper intothe Atom" (1980); Pief Panofsky's"Big Physics and Small Physics atStanford" (1990); and Bob Moulton's"Physics, Power and Politics- Fearand Loathing on the Electron Trail: AnEyewitness Account of the Campaignfor Congressional Approval of theStanford Linear Accelerator Center,1959-1961" (2001).

The site also gathers articles that werepreviously available into one location.These include Doug Dupen's 1966report on SLAC; "An Informal Historyof SLAC," a three part series fromthe early 1980's by Ed Ginzton, PiefPanofsky and Burton Richter; JohnRees' "Colliding Beam Storage Rings:

SLAC History Web Archive: W.K.H. (Pief)presenting plans for SLAC at a 1962 meeting

of Stanford trustees.

A Brief History" (1983), and SLAC'sfortieth Anniversary Photo History.An important SSRL history, "EarlyWork with Synchrotron Radiationat Stanford," by Sebastian Doniach,Keith Hodgson, Ingolf Lindau,Piero Pianetta and Herman Winick(published in the Journal of SynchrotronRadiation, 1997) is also included.

The Archives and History Officeplans to improve and expandthe list over time with the goal ofmaking it a complete resource on thepublished history of the Laboratory.Relevant publications not availableelectronically will also be listed, withsuggestions as to how they may beobtained or borrowed. As always,your comments and suggestions foradditions are welcome.

For information see: http://www.slac.stanford.edu/history/history.shtml 0

Interaction Point November 21, 2003 Page 3

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POLICIES AND PROCEDURES UPDATEDepartments on Annual Property New BankingControl Honor Roll Announced Contract Starts

BSD Division: BSD Division Office,Accounting, Budgets, BusinessSystems & Lab Support, Purchasing

Director's Office: Director's Office,Affirmative Action, Communications,Human Resources

ES&H Division: ES&H DivisionOffice, Environmental Protection &Restoration, Knowledge Management,Radiation Physics, SHA

SSRL Division: Administration,Accelerator Systems, LCLS, SPEAR3

Research Division: Research DivisionOffice, BABAR, Budget and Planning,Computation Research, Engineering,GLAST, Group A, Group B, GroupC, Group E, Group G, Group K, PEL,SLD, TIS, THP

Technical Division: TechnicalDivision Office, ARDA, ACD,Electronics & Software Engineering,Metrology

Physical Inventory Completed

Property Control has finished thephysical inventory for Fiscal Year2003. For the second year in a row,SLAC received an 'Outstanding'rating from the DOE.

To get on the honor roll, yourdepartment must account for 100

Al Pacheco and Norman Queral (both PC)perform property control inlentory.

percent of property that is reported tothe DOE. We applaud everyone whotakes their property responsibilityseriously.

To ensure that our database is asaccurate as possible, please rememberto tell us when you move ortransfer property. It's easy to reportequipment moves or new custodianassignment. Visit the Property pageat: http://www-bis.slac.stanford.edu/main/property.asp

We are beginning to see many repeatperformers on our Honor Roll. Willyour Department be here next year?

Contact: Leslie Normandin, PropertyControl Manager (Ext. 4350, [email protected])

December 1The DOE has negotiated a newbanking contract for SLAC. StartingDecember 1, SLAC-generated checkswill be coming from the Union Bankof California. This does not affect theprocess by which you receive yourchecks, nor does it affect the directdeposit process for paychecks.

If you need to cash a SLAC-paidcheck, you can either visit your ownbank or stop by any of the Union Bankbranches in California, Oregon orWashington. The closest Union Bankbranch to SLAC is at 716 Santa CruzAvenue in Menlo Park.

Paycheck Direct Deposits

The Payroll Group is encouragingemployees to sign up for a directdeposit to a checking or savingsaccount (or both). For information onarranging for direct deposit, contactyour payroll representative:

A-K Cory Perraras, Ext. 2303

L-Z Bernie Espiritu, Ext. 4233

For questions on banking, contact:Marty Sorensen, AccountingDepartment (Ext. 4240, [email protected])

1M IL E STONE S

!Awards

'Phinney, Nan (NLC), the 2003Marshall D. O'Neill Award(see article on page 1)

Retired

Alvarado, Sal (SEM), 10/22ITruebenbach, John (ESD), 9/30iWiedemann, Helmut (ASD), 9/30

Service Awards

5 YearsBuhrmaster, Gary (SCS), 12/01Dusatko, John (ESD), 12/08Greer, Julie (ASD), 12/06Leyh, Gregory (ESD), 12/01Lo, Man-Wah (SCS), 12/01Rochester, Jane (SCS), 11/16

15 YearsBaldoza, Mer (ESD), 11/16Farvid, Ali (MFD), 11/16Lienhart, Timothy (ESD), 11/16jNguyen, Sony (ESD), 11/16

25 YearsBaruz, Howard (MFD), 12/03Holden-Gene (KM), 12/04

30 YearsJobe, Jerry (BSD), 12/01

To submit a Milestone, see:11ttp://www.slac.stanford.edu/pubs/tip/milestoneindex.html

See Awards and Honors at http://Iwww.slac.stanford.edu/slac/award/

Fri. Nov. 21,12:30 p.m.SLAC, Orange Room, NOTE ROOM!SLAC/STANFORD JOINT HIGH-ENERGY/ASTRO THEORYSEMINARWynn Ho, Stanford U."Thermal Radiation from theAtmosphere of Magnetic NeutronStars"

Fri. Nov. 21, 2:00 p.m.SLAC, Orange Room, NOTE TIME!SLAC ACCELERATOR SEMINARFerdinand Willeke, DESY"Synchro-Betatron Resonances in theHERA Lepton Ring"

Mon. Nov. 24, 4:15 p.m.SLAC, Panofsky Auditorium(Refreshments-3:45)SLAC DEPARTMENTALCOLLOQUIUMDavid Montague/Harvey Lynch,SLAC"Boost Phase Interception"

Tues. Nov. 25,12:30 p.m.SLAC, Orange RoomSLAC EXPERIMENTAL SEMINARHanna Mahlke-Kruger, Cornell U."Different Upsilon Resonances +Quarkonium Production +CLEOc"

Tues. Nov. 25, 2:30-5:00 p.m.SLAC, Panofsky AuditoriumSLAC SCENARIOS STUDY TOWNMEETINGVarious Speakers, followed by OpenDiscussion"Scenarios for the Future of SLAC"

Mon. Dec. 1, 4:15 p.m.SLAC, Panofsky Auditorium,(Refreshments-3:45)SLAC DEPARTMENTALCOLLOQUIUMAlan Nathan, U. of Illinois"Physics of Baseball"

Wed. Dec. 3, 8:00 a.m.-3:00 p.m.SLAC, Panofsky Auditorium LobbySLAC/STANFORD BLOOD DRIVELinda Ahlf, SLACCall Ext. 2354 for appointment-Drop-ins Welcome!

Fri. Dec 5, 12:00 p.m.SLAC, Panofsky AuditoriumSLAC SPECIAL SEMINARAndy Coe, Stanford U."Upcoming Sand Hill RoadConstruction"

Dec. 8-12SLAC, Panofsky AuditoriumSLAC PHYSICS MEETINGMarcello Giorgi, INFN-U of PisaBABAR Collaboration Meeting

Mon. Dec. 15, 4:15 p.m.SLAC, Panofsky Auditorium(Refreshments-3:45)SLAC DEPARTMENTALCOLLOQUIUMRashid Sunyaev, Max Planck Inst."X-Ray Astronomy"

Please send additions to:seminarsC(aslac.stanford.eduFor complete event listings, see:http://www.slac.stanford.edu/grp/pao/seminar.html

Page 4 Interaction Point November 21, 2003

Quick Survey:Caltrain Shuttle

The recent Caltrain fee and schedulechanges could potentially affectSLAC employees. We would like todetermine if changes to our shuttlesto/from the Caltrain station arewarranted. Please comment on thefollowing questions and forwardresponses to Peter Budrunas (peterbca'slac.stanford.edu, or send to MS 22)by December 5.

1. Would you prefer/use the shuttle ifpick-up/drop-off were from the MenloPark Caltrain station?

2. What times would be preferred forpick-up and drop-off from the MenloPark Station?

3. Is a schedule change required forthe Palo Alto station?

4. Any suggestions related to shuttleservice provided to the Caltrainstation? 0

Women's Interchange atSLAC (WIS)

Date: November 25Time: Noon-l:00 p.m.

Where: Panofsky Auditorium

"Family Life with a ChildProdigy"

Kay Ganapathi (TDO) and CindyLowe (NLC) will share their inspiring

stories about family life with achild prodigy, such as dealing withgifted daughters, siblings and time

management.

Everyone is welcome-bring yourlunch and bring a friend.

The Interaction PointEditorial Team

Neil CalderNina Adelman Stolar

Katherine BellevinVickee Flynn

Ziba Mahdavi

WritersHeather Rock WoodsLinda DuShane White

Anna Gosline

Photography/GraphicsDiana RogersMichael HydeNicolle Rager

DistributionCrystal TilghmanTineke Graafland

Emily Ball (on-line)

The Interaction Point is published twicemonthly every first and third Friday.Submissions are due the second and

fourth Tuesdays of each month.

Send submissions totipuslac.stanford.edu, or mail to

TIP Editor, MS 58, Stanford LinearAccelerator Center, 2575 Sand Hill Road,

Menlo Park, CA 94025.

TIP is available online at:http://www2.slac.stanford.edu/tip/

Upcoming Events

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