Main plots and tables:

• Final results:
  • D⁰→ππ case:
    • fit to the proper time distribution of sideband-subtracted D⁰→ππ candidates to extract -<t>/τ [eps] [pdf] [gif]
    • direct vs indirect CP violation plane (CDF solo) [eps] [pdf] [gif]
    • direct vs indirect CP violation plane (CDF + B-factories comparison) [eps] [pdf] [gif]
    • direct vs indirect CP violation plane (CDF + B-factories combination) [eps] [pdf] [gif]
    • CDF + B-factories comparison assuming no direct CP violation [eps] [pdf] [gif]
    • CDF + B-factories comparison assuming no indirect CP violation [eps] [pdf] [gif]
  • D⁰→KK case:
    • fit to the proper time distribution of sideband-subtracted D⁰→KK candidates to extract -<t>/τ [eps] [pdf] [gif]
    • direct vs indirect CP violation plane (CDF solo) [eps] [pdf] [gif]
    • direct vs indirect CP violation plane (CDF + B-factories comparison) [eps] [pdf] [gif]
    • direct vs indirect CP violation plane (CDF + B-factories combination) [eps] [pdf] [gif]
    • CDF + B-factories comparison assuming no direct CP violation [eps] [pdf] [gif]
    • CDF + B-factories comparison assuming no indirect CP violation [eps] [pdf] [gif]
• Table of selection cuts [png]
• Tagged ππ sample:
  • invariant ππ-mass distribution of D* candidates with M(D⁰π_s)<2.02 GeV/c² with highlighted the cut on M(ππ) used to select the tagged ππ sample [eps] [pdf] [gif]
  • invariant D⁰π_s-mass distribution [eps] [pdf] [gif]
  • transverse momentum distribution of D* candidates [eps] [pdf] [gif]
  • transverse momentum distribution of π_s candidates [eps] [pdf] [gif]
  • transverse momentum distribution of D⁰ candidates [eps] [pdf] [gif]
  • proper time distribution of D⁰ candidates [eps] [pdf] [gif]
  • raw asymmetry as a function of the invariant D⁰π_s-mass [eps] [pdf] [gif]
  • raw asymmetry as a function of the invariant D⁰π_s-mass (with mass distribution) [eps] [pdf] [gif]
  • raw asymmetry as a function of π_s trasverse momentum [eps] [pdf] [gif]
  • raw asymmetry as a function of π_s trasverse momentum (with p_t distribution) [eps] [pdf] [gif]
  • combined fit:
    • projection on positive decays [eps] [pdf] [png]
    • projection on negative decays [eps] [pdf] [png]
    • projection on the asymmetry [eps] [pdf] [png]
    • table with results [png]
• Tagged KK sample:
  • invariant KK-mass distribution of D* candidates with M(D⁰π_s)<2.02 GeV/c² with highlighted the cut on M(KK) used to select the tagged KK sample [eps] [pdf] [gif]
  • invariant D⁰π_s-mass distribution [eps] [pdf] [gif]
  • transverse momentum distribution of D* candidates [eps] [pdf] [gif]
  • transverse momentum distribution of π_s candidates [eps] [pdf] [gif]
  • transverse momentum distribution of D⁰ candidates [eps] [pdf] [gif]
  • proper time distribution of D⁰ candidates [eps] [pdf] [gif]
  • raw asymmetry as a function of the invariant D⁰π_s-mass [eps] [pdf] [gif]
  • raw asymmetry as a function of the invariant D⁰π_s-mass (with mass distribution) [eps] [pdf] [gif]
  • raw asymmetry as a function of π_s trasverse momentum [eps] [pdf] [gif]
  • raw asymmetry as a function of π_s trasverse momentum (with p_t distribution) [eps] [pdf] [gif]
  • combined fit:
    • projection on positive decays [eps] [pdf] [png]
    • projection on negative decays [eps] [pdf] [png]
    • projection on the asymmetry [eps] [pdf] [png]
    • table with results [png]
• Tagged Kπ sample:
  • invariant Kπ-mass distribution of D* candidates with M(D⁰π_s)<2.02 GeV/c² with highlighted the cut on M(Kπ) used to select the tagged Kπ sample [eps] [pdf] [gif]
  • invariant D⁰π_s-mass distribution [eps] [pdf] [gif]
  • raw asymmetry as a function of the invariant D⁰π_s-mass [eps] [pdf] [gif]
  • raw asymmetry as a function of the invariant D⁰π_s-mass (with mass distribution) [eps] [pdf] [gif]
  • preliminary fit to tune MC templates:
    • projection [eps] [pdf] [png]
    • table with results [png]
  • combined fit:
    • projection on positive decays [eps] [pdf] [png]
    • projection on negative decays [eps] [pdf] [png]
    • projection on the asymmetry [eps] [pdf] [png]
    • table with results [png]
• Untagged Kπ sample:
  • invariant K^-π⁺-mass distribution (unweighted) [eps] [pdf] [gif]
  • invariant K⁺π^--mass distribution (unweighted) [eps] [pdf] [gif]
  • invariant K^-K⁺-mass distribution (unweighted) [eps] [pdf] [gif]
  • invariant π^-π⁺-mass distribution (unweighted) [eps] [pdf] [gif]
  • invariant K^-π⁺-mass vs invariant K⁺π^--mass distribution (unweighted) [eps] [pdf] [gif]
  • invariant K^-π⁺-mass distribution (positive sample) [eps] [pdf] [gif]
  • invariant K⁺π^--mass distribution (negative sample) [eps] [pdf] [gif]
  • raw asymmetry as a function of the invariant Kπ-mass [eps] [pdf] [gif]
  • raw asymmetry as a function of the invariant Kπ-mass (with mass distribution) [eps] [pdf] [gif]
  • preliminary fit to tune MC templates - projection [eps] [pdf] [gif]
  • combined fit
    • projection on positive decays [eps] [pdf] [gif]
    • projection on negative decays [eps] [pdf] [gif]
    • projection on the asymmetry [eps] [pdf] [gif]
    • projection on positive decays (zoom in the signal region) [eps] [pdf] [png]
    • projection on negative decays (zoom in the signal region) [eps] [pdf] [png]
    • projection on the asymmetry (zoom in the signal region) [eps] [pdf] [png]
    • table with results [png]
• Monte Carlo samples:
  • invariant K^-π⁺-mass distribution [eps] [pdf] [gif]
  • invariant K^-π⁺-mass distribution (log scale) [eps] [pdf] [gif]
  • invariant K^-π⁺-mass distribution (zoom in the fit window) [eps] [pdf] [gif]
  • invariant K^-π⁺-mass distribution of D⁰→hh' decays [eps] [pdf] [gif]
  • invariant K^-π⁺-mass distribution of D⁰→hh' decays (log scale) [eps] [pdf] [gif]
  • invariant K^-π⁺-mass distribution of partially reconstructed D⁺ decays [eps] [pdf] [gif]
  • invariant K^-π⁺-mass distribution of partially reconstructed D⁺ decays (log scale) [eps] [pdf] [gif]
  • invariant K^-π⁺-mass distribution of partially reconstructed D_s⁺ decays [eps] [pdf] [gif]
  • invariant K^-π⁺-mass distribution of partially reconstructed D_s⁺ decays (log scale) [eps] [pdf] [gif]
  • invariant K^-π⁺-mass distribution of partially reconstructed D⁰ decays [eps] [pdf] [gif]
  • invariant K^-π⁺-mass distribution of partially reconstructed D⁰ decays (log scale) [eps] [pdf] [gif]
  • invariant K^-K⁺-mass distribution for events with M(D⁰π_s) within 2.4 MeV/c² of the nominal D* mass [eps] [pdf] [gif]
  • invariant D⁰π_s-mass distribution for events with M(K^-π⁺) within 24 MeV/c² of the nominal D⁰ mass [eps] [pdf] [gif]
  • invariant D⁰π_s-mass distribution, comparison between D⁰→Kπ and D⁰→ππ decays [eps] [pdf] [png]
  • invariant D⁰π_s-mass distribution, comparison between D⁰→Kπ and D⁰→ππ decays (log scale) [eps] [pdf] [png]
  • D⁰→Kπ RS mass template [eps] [pdf] [png]
  • D⁰→Kπ RS mass template (log scale) [eps] [pdf] [png]
  • D⁰→Kπ WS mass template [eps] [pdf] [png]
  • D⁰→Kπ WS mass template (log scale) [eps] [pdf] [png]
  • D⁰→ππ mass template [eps] [pdf] [png]
  • D⁰→ππ mass template (log scale) [eps] [pdf] [png]
• Samples equalization:
  • comparison between the tagged ππ and tagged Kπ samples of soft pion's distributions:
    • transverse momentum [eps] [pdf] [gif]
    • η [eps] [pdf] [gif]
    • φ [eps] [pdf] [gif]
    • impact parameter [eps] [pdf] [gif]
    • impact parameter (zoom) [eps] [pdf] [gif]
    • z₀ [eps] [pdf] [gif]
    • z₀ (zoom) [eps] [pdf] [gif]
  • comparison between the tagged KK and tagged Kπ samples of soft pion's distributions:
    • transverse momentum [eps] [pdf] [gif]
    • η [eps] [pdf] [gif]
    • φ [eps] [pdf] [gif]
    • impact parameter [eps] [pdf] [gif]
    • impact parameter (zoom) [eps] [pdf] [gif]
    • z₀ [eps] [pdf] [gif]
    • z₀ (zoom) [eps] [pdf] [gif]
  • comparison between the tagged and the untagged Kπ samples of D⁰'s distributions:
    • transverse momentum [eps] [pdf] [gif]
    • η [eps] [pdf] [gif]
    • φ [eps] [pdf] [gif]
• Systematics:
  • summary table of all systematics (compact version) [png]
  • summary table of all systematics (extended version) [png]
  • bias from higher order terms and non-factorization of efficiencies [eps] [pdf] [png]
  • sample η-symmetry and beam drag effect [eps] [pdf] [png]
  • asymmetries from non-subtracted backgrounds in the tagged ππ sample [eps] [pdf] [gif]
  • asymmetries from non-subtracted backgrounds in the tagged Kπ sample [eps] [pdf] [gif]
  • fraction of non-prompt D⁰s from impact parameter fit [eps] [pdf] [png]
  • fraction of non-prompt D⁰s from impact parameter fit (log scale) [eps] [pdf] [png]
  • combined fit of the untagged Kπ sample with reverse impact parameter cut:
    • projection on positive decays [eps] [pdf] [gif]
    • projection on negative decays [eps] [pdf] [gif]
    • projection on the asymmetry [eps] [pdf] [gif]
    • projection on positive decays (zoom in the signal region) [eps] [pdf] [png]
    • projection on negative decays (zoom in the signal region) [eps] [pdf] [png]
    • projection on the asymmetry (zoom in the signal region) [eps] [pdf] [png]

Supplementary plots and tables:

• COT event display of a D⁰ candidate [eps] [pdf] [png]
• COT event display of a D* candidate [eps] [pdf] [png]
• Asymmetry between positive and negative trigger pions as a function of transverse momentum (with p_t distribution) [eps] [pdf] [png]
• Asymmetry between positive and negative trigger pions as a function of transverse momentum (zoom near the trigger threshold) [eps] [pdf] [png]
• Raw asymmetry as a function of the opening angle between π_s and closest D⁰ track (tagged Kπ sample) [eps] [pdf] [gif]
• Raw asymmetry as a function of D⁰ impact parameter (tagged Kπ sample) [eps] [pdf] [gif]
• Raw asymmetry as a function of Kπ mass for different η regions (untagged Kπ sample):
  • 0.75 < |η| < 1 [eps] [pdf] [gif]
  • 0.5 < |η| < 0.75 [eps] [pdf] [gif]
  • 0.25 < |η| < 0.5 [eps] [pdf] [gif]
  • 0 < |η| < 0.25 [eps] [pdf] [gif]
  • comparison between 0 < |η| < 0.25 and 0.75 < |η| < 1 [eps] [pdf] [png]
• Combined fit of the untagged Kπ sample with mass range [1.5,2.4] GeV/c²:
  • all fractions free:
    • projection on positive decays [eps] [pdf] [gif]
    • projection on negative decays [eps] [pdf] [gif]
    • projection on the asymmetry [eps] [pdf] [gif]
    • table with results [png]
  • test 1:
    • projection on positive decays [eps] [pdf] [gif]
    • projection on negative decays [eps] [pdf] [gif]
    • projection on the asymmetry [eps] [pdf] [gif]
    • table with results [png]
  • test 2:
    • projection on positive decays [eps] [pdf] [gif]
    • projection on negative decays [eps] [pdf] [gif]
    • projection on the asymmetry [eps] [pdf] [gif]
    • table with results [png]
• Method validation:
  • Bias distribution - case 0 [eps] [pdf] [png]
  • Bias distribution - case 1 [eps] [pdf] [png]
  • Bias distribution - case 2 [eps] [pdf] [png]
  • Bias distribution - case 3 [eps] [pdf] [png]
  • Bias distribution - case 4 [eps] [pdf] [png]
  • Bias distribution - case 5 [eps] [pdf] [png]
  • Transverse momentum functions used to scan ε(π⁺)/ε(π^-) [eps] [pdf] [png]
  • Bias scan for A_CP(ππ) - benchmark case 0 [eps] [pdf] [png]
  • Bias scan for A_CP(Kπ) - benchmark case 0 [eps] [pdf] [png]
  • Bias scan for ε(K⁺)/ε(K^-) - benchmark case 0 [eps] [pdf] [png]
  • Bias scan for ε(π⁺)/ε(π^-) - benchmark case 0 [eps] [pdf] [png]
  • Bias scan for A_CP(ππ) - benchmark case 5 [eps] [pdf] [png]
  • Bias scan for A_CP(Kπ) - benchmark case 5 [eps] [pdf] [png]
  • Bias scan for ε(K⁺)/ε(K^-) - benchmark case 5 [eps] [pdf] [png]
  • Bias scan for ε(π⁺)/ε(π^-) - benchmark case 5 [eps] [pdf] [png]
  • Bias scan when injecting realistic asymmetries [eps] [pdf] [png]