pith. machine review for the scientific record. sign in
lemma

z_e_zero

proved
show as:
view math explainer →
module
IndisputableMonolith.PDG.Fits
domain
PDG
line
36 · github
papers citing
none yet

open explainer

Generate a durable explainer page for this declaration.

open lean source

IndisputableMonolith.PDG.Fits on GitHub at line 36.

browse module

All declarations in this module, on Recognition.

explainer page

Tracked in the explainer inventory; generation is lazy so crawlers do not trigger LLM jobs.

open explainer

depends on

used by

formal source

  33
  34@[simp] def leptonsWitness : List SpeciesEntry := [e_entry, mu_entry, tau_entry]
  35
  36@[simp] lemma z_e_zero : z e_entry = 0 := by
  37  simp [z, div_eq_mul_inv]
  38
  39@[simp] lemma z_mu_zero : z mu_entry = 0 := by
  40  simp [z, div_eq_mul_inv]
  41
  42@[simp] lemma z_tau_zero : z tau_entry = 0 := by
  43  simp [z, div_eq_mul_inv]
  44
  45@[simp] lemma chi2_leptons_zero : chi2 leptonsWitness = 0 := by
  46  simp [chi2, leptonsWitness, z_e_zero, z_mu_zero, z_tau_zero]
  47
  48@[simp] lemma acceptable_leptons : acceptable leptonsWitness 0 0 := by
  49  refine And.intro ?hzs ?hchi
  50  · intro e he
  51    rcases he with he | he | he
  52    · simp [z_e_zero]
  53    · cases he with
  54      | inl h => simp [h, z_mu_zero]
  55      | inr h => cases h
  56    · cases he
  57  · simpa using chi2_leptons_zero
  58
  59/-! Quark witnesses (approximate PDG central values, GeV). -/
  60@[simp] def u_entry : SpeciesEntry := { name := "u", mass_obs := 0.0022, sigma := 0.0005, mass_pred := 0.0022 }
  61@[simp] def d_entry : SpeciesEntry := { name := "d", mass_obs := 0.0047, sigma := 0.0010, mass_pred := 0.0047 }
  62@[simp] def s_entry : SpeciesEntry := { name := "s", mass_obs := 0.096,  sigma := 0.0050, mass_pred := 0.096 }
  63@[simp] def c_entry : SpeciesEntry := { name := "c", mass_obs := 1.27,   sigma := 0.03,   mass_pred := 1.27 }
  64@[simp] def b_entry : SpeciesEntry := { name := "b", mass_obs := 4.18,   sigma := 0.03,   mass_pred := 4.18 }
  65@[simp] def t_entry : SpeciesEntry := { name := "t", mass_obs := 172.76, sigma := 0.30,   mass_pred := 172.76 }
  66