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A registered result in its source context

Original ledger classification: Numerical/identity (flavor readout) [E]/[C]/[O]

Recorded statement: REACTOR ANGLE EXPONENT = CARRIER HYPERCHARGE TRACE (2026-06-18): the theta_13 value sin^2 theta_13 = phi0 e^{-5/6} = 0.0231 (v16) has its EXPONENT origin closed exactly -- gamma = tr_E Y^2 = 5/6 over the 5-slot carrier hypercharge…

Statement, assumptions and sources

Paper context: Standard Model and flavor structure

The exact identifier, original classification and full claim are available below.

The source wording and classification below are preserved as recorded. A paper link, shared script or authored topic relation does not upgrade the claim or report a new proof run. Read later reviewed findings separately.

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FLAV.TH13.01

Original ledger classification: Numerical/identity (flavor readout) [E]/[C]/[O]

Original claim text

REACTOR ANGLE EXPONENT = CARRIER HYPERCHARGE TRACE (2026-06-18): the theta_13 value sin^2 theta_13 = phi0 e^{-5/6} = 0.0231 (v16) has its EXPONENT origin closed exactly -- gamma = tr_E Y^2 = 5/6 over the 5-slot carrier hypercharge Y=diag(-1/3,-1/3,-1/3,1/2,1/2) (anomaly-free roots of 6Y^2-Y-1=0), complement 1/6 the neutrino ratio. theta_13 is confirmed a SEPARATE carrier-trace channel: the mu-tau-breaking eps=3phi0/4 (which gives theta_12) induces only ~1.6e-3 << 0.023, correcting the tempting 'theta_13 from M_nu' route (v263). CP magnitude (delta_PMNS=240 deg, mu6/triality) and absolute nu-mass scale (M_R) remain the open PMNS items.

Original classification detail

[E] gamma=5/6=tr_E Y^2 (exponent origin) + own-channel separation (eps^2 ~ 1.6e-3 != 0.023); [C] value 0.0231 vs ~0.0222; [O] CP magnitude + absolute scale open. Closes the theta_13 exponent origin, not full PMNS dynamics.

Dependencies as recorded

FLAV.TH12.01; FLAV.SOLAR.01; FLAV.PMNS.02; CAR.SM.01

Open the original ledger source, row 361

Location recorded in the ledger

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Registered verification modules

  • v268_theta13_carrier_trace.pyRegistered verification module · neutrinos
    Read the description recorded in the module registry

    FLAV.TH13.01 — the reactor angle theta_13 exponent IS the carrier hypercharge trace. The value sin^2 theta_13 = phi0 e^{-5/6} = 0.0231 was already checked (v16); here the exponent origin is closed exactly: gamma = tr_E Y^2 = 3(1/3)^2+2(1/2)^2 = 5/6 over the 5-slot carrier hypercharge Y=diag(-1/3,-1/3,-1/3,1/2,1/2) (roots of 6Y^2-Y-1=0), complement 1/6 = the neutrino ratio. Own channel: the mu-tau-breaking eps=3phi0/4 (which gives theta_12) induces only ~1.6e-3 << 0.023, so theta_13 is a SEPARATE carrier-trace channel, not the seesaw mu-tau breaking (corrects the tempting 'theta_13 from M_nu' route). [O] CP magnitude + absolute nu scale remain open.

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