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Photon isolation for Fragmentation photon

Photon isolation for Fragmentation photon. fragmentation photon with parton level isolation e_h>0.5 can also contribute to our final measurement (tight/isolated photons). Sherpa Wgamma 0/1 jet MC. Up to 15% variation. <5% variation. Njet distributions (1fb-1).

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Photon isolation for Fragmentation photon

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  1. Photon isolation for Fragmentation photon fragmentation photon with parton level isolation e_h>0.5 can also contribute to our final measurement (tight/isolated photons) Sherpa Wgamma 0/1 jet MC

  2. Up to 15% variation

  3. <5% variation

  4. Njet distributions (1fb-1) Normalized to cross section with e_h<0.5 Normalized to cross section with e_h<5

  5. Summary • There are significant contribution from fragmentation photon with parton level isolation e_h>0.5 • number of expected signal for Wgamma increased by 15% by loosing parton level photon isolation cut.

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