2. ARCS software meeting 3/15/02 Experimental Planning, Visualization, and Analysis for Condensed Matter Physicists Collin Broholm Johns Hopkins University & NIST Center for Neutron Research

3. ARCS software meeting 3/15/02 Stages of scattering experiment Preliminary plan Beam time proposal Detailed planning Experimental execution  Planning and Running  Preliminary analysis  optimize configuration Detailed analysis Disseminating results Theoretical reaction

4. ARCS software meeting 3/15/02 Software now used before experiment Instrument “foot print” Preliminary plan Beam time proposal Detailed planning Resolution Flux Issues: Exact science but inexact techniques Difficult for non-expert Poor preparation for experiment

5. ARCS software meeting 3/15/02 Software now used during experiment Experimental execution  Planning and Running  Preliminary analysis  optimize configuration Instrument “foot print” Resolution Flux Acquisition Control From I( ,t) to S(q,  ) Visualization/Fitting Issues: Inefficient use of beam-time Expert assistance needed data-mining efficiency

6. ARCS software meeting 3/15/02 Software now used after experiment Detailed analysis Disseminating results Theoretical reaction From I( ,t) to S(q,  ) Visualization/Fitting Publication Quality figures Calculate S(q,  ) to compare Issues: Access to computing resources Speed to publish Realistic data-theory comparison Data mining efficiency Global fitting

7. ARCS software meeting 3/15/02 Software before experiment Preliminary plan Beam time proposal Detailed planning Configuration choice  Footprint/Resolution/Flux  AI decision tree Improvements: Available to non-expert Better allocation decisions User comes prepared Simulate instrument response

8. ARCS software meeting 3/15/02 Software during experiment Experimental execution  Planning and Running  Preliminary analysis  optimize configuration Acquisition Sched. Visualization/fitting of S(q,  ) Improvements: Efficient beam use Users can do more data-mining efficiency Simulate response Configuration choice Automated data mining

9. ARCS software meeting 3/15/02 Software after experiment Detailed analysis Disseminating results Theoretical reaction Publication Qual. figures From theory to archive Improvements: Reduce time to publication Raise level of theory/experiment discourse Full data set accessible to more scientist Visualization/fitting of S(q,  ) Automated data mining Archive complete data

10. ARCS software meeting 3/15/02 Impressions of ARCS software project Resources and expertise unique Major impact on inelastic suite Provide frame work for all spectrometer Engage theoretical community Early first release SNS initiate coordinated initiative for diffraction