Problem 2093

Summary:	Incorrect final states in low energy photonuclear reactions on deuteron
Product:	Geant4	Reporter:	ed_bugs
Component:	processes/hadronic/models/cascade	Assignee:	dennis.herbert.wright
Status:	RESOLVED MOVED
Severity:	enhancement
Priority:	P4
Version:	10.0
Hardware:	All
OS:	All
See Also:	https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2092

Description ed_bugs 2018-10-05 20:21:31 CEST

Disclaimer: Attempts to reproduce this behavior without first considering the bug filed in https://bugzilla-geant4.kek.jp/show_bug.cgi?id=2092 will not be fruitful, as the reaction described will not occur.

Photonuclear reactions on the deuteron are of the form gamma + d -> p + n. In the current implementation, low-energy (< 140 MeV) photonuclear reactions on deuterons do not result in the nucleus breaking apart; instead only multi-photon final states occur, e.g. gamma + d -> d + gamma or gamma + d -> d + gamma + gamma, etc, which is incorrect.

Comment 1 dennis.herbert.wright 2019-03-07 21:38:14 CET

I'm re-classifying this report as "enhancement".
Producing better final states for deuteron targets will require additional model development.