debunchingn.
/diːˈbʌn(t)ʃɪŋ/, U.S. /diˈbən(t)ʃɪŋ/ Particle Physics.
The process or phenomenon by which a beam of electrons or other particles in a vacuum tube or particle accelerator tends to become more dispersed (laterally and longitudinally) as it travels. Cf. rebunching n.
ΚΠ
1942 J. G. Brainerd et al. Ultra-high-frequency Techniques 334 Debunching—Forces of repulsion between electrons..cause the groups of electrons to spread out, and thus reduce the efficiency of energy transfer.
1964 Proc. Royal Soc. London A. 278 321 Two pulsed bending magnets..bend the equilibrium orbit towards a fixed thick target after the debunching of the beam.
2004 Physics of Plasmas 11 1687/1 Debunching of the electrons gradually develops with the energy exchanging process.
This is a new entry (OED Third Edition, June 2009; most recently modified version published online March 2022).
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