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Effective Rejection Strategies for Improved Signal Purity in High-Energy Collisions

Explore optimal rejection thresholds and ET cuts in particle collision data to enhance research accuracy and reliability.

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Effective Rejection Strategies for Improved Signal Purity in High-Energy Collisions

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  1. Rejection ~10,000 NCC LVL1 Trigger Rejection ET Threshold (GeV) pp Collisions (500GeV) (OLD) EM cut : EHADR/(EEMC1+EEMC2+EHADR) < 0.5

  2. pp Collisions (500GeV) (NEW) Rejection ~10,000 NCC LVL1 Trigger Rejection ET Threshold (GeV) EM cut : EHADR/(EEMC1+EEMC2+EHADR) < 0.25

  3. NCC LVL1 Trigger Rejection NCC LVL1 Trigger Rejection NCC LVL1 Trigger Rejection NCC LVL1 Trigger Rejection NCC LVL1 Trigger Rejection ET Threshold (GeV) ET Threshold (GeV) ET Threshold (GeV) ET Threshold (GeV) ET Threshold (GeV) AuAu Collisions (OLD) EM cut : EHADR/(EEMC1+EEMC2+EHADR) < 0.5

  4. AuAu Collisions (NEW) NCC LVL1 Trigger Rejection NCC LVL1 Trigger Rejection NCC LVL1 Trigger Rejection NCC LVL1 Trigger Rejection NCC LVL1 Trigger Rejection ET Threshold (GeV) ET Threshold (GeV) ET Threshold (GeV) ET Threshold (GeV) ET Threshold (GeV) EM cut : EHADR/(EEMC1+EEMC2+EHADR) < 0.5

  5. Rejection ~30 NCC LVL1 Trigger Rejection ET Threshold (GeV) AuAu Collisions(graduated ET threshold) (OLD) x1 x2 x3 h < 1.4 : ET 1.4< h <2.0: 2 x ET h > 2.0: 3 x ET EM cut : EHADR/(EEMC1+EEMC2+EHADR) < 0.5

  6. AuAu Collisions(graduated ET threshold) (NEW) x1 x2 x3 NCC LVL1 Trigger Rejection h < 1.4 : ET 1.4< h <2.0: 2 x ET h > 2.0: 3 x ET Rejection ~30 ET Threshold (GeV) EM cut : EHADR/(EEMC1+EEMC2+EHADR) < 0.5

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