EQUATION REGISTRY

Two-photon kinematics for a pair at rest

Zero total momentum, negligible relative kinetic and binding energy, no other participants, and the two-photon channel already selected.

Theory · DERIVEDEquation version 1.0.0

Based on the final manuscript · Chapter 4

ASD-WEB-MAT-022
p1+p2=0,E1+E2=2mec2,Ei=c∣pi∣⟹E1=E2=mec2≃511 keV\mathbf p_1+\mathbf p_2=0,\quad E_1+E_2=2m_ec^2,\quad E_i=c|\mathbf p_i|\quad\Longrightarrow\quad E_1=E_2=m_ec^2\simeq511\,\mathrm{keV}

Zero total momentum, negligible relative kinetic and binding energy, no other participants, and the two-photon channel already selected.
Chapter reference: Ch. 4 (4.79)–(4.80) · ASD-BOOK-ddbade997b45

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Ch. 4 (4.79)–(4.80)

Registered equation, symbols and scope checked against the final manuscript; original ID and scientific status preserved.

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  • Zero total momentum, negligible relative kinetic and binding energy, no other participants, and the two-photon channel already selected.

Source locators: p1559–p1564

Manuscript SHA-256: ddbade997b45913248e588953b1d27ccb9c7c206c3c8d992d3aef2364a64836e

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MAT-d1034a344d58 · Ch. 4 (4.79)–(4.80)

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