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Insights on Separation Power in Particle Identification: Key Formulae and Future Perspectives

This document summarizes critical insights discussed at recent RICH conferences regarding the separation power in particle identification (PID). It highlights key formulae from past talks, including the definition of σ_RES as articulated in the BaBar paper. It also reviews findings from the CLEO and COMPASS collaborations, focusing on consistent distribution widths and measurement techniques for particle momentum. Additionally, it discusses future directions and considerations for detector performance, emphasizing the need for a collective understanding of the implications behind particular detection choices.

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Insights on Separation Power in Particle Identification: Key Formulae and Future Perspectives

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Presentation Transcript

  1. Separation power – again... • slide shown at GSI PID-TAG • key formulae from overview talks at the two past RICH conferences • definition as worded in BaBar paper • looking ahead Klaus Föhl 2007-10-05 VRVS PID-TAG meeting

  2.  1 2 Definition of RES what do we do if distribution widths are not the same? CLEO COMPASS TAG definiton agreed at GSI same information content as formula on the left came up in Erlangen error value for (p1+p2) or for (p1-p2), but we measure one single value pi p1 and p2 define the scale consistent with formula in B. Seitz talk Klaus Föhl PANDA PID-TAG GSI 2007-09-20 (Particle Data Book) |p1-p2| determined accurately (high statistics or by calculations) N.B.

  3. Ypsilantis and Seguinot

  4. Glässel at RICH 2004

  5. SLAC-PUB-11017 in BaBar review top of page 10

  6. Looking ahead • reasonable collection of candidate detectors • ideas on inividual and combined detector performances • need to formulate: physics implications of particular detector decisions...

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