Photoneutron yields from tungsten in the energy range of the giant dipole resonance.
Photoneutron production on the nuclei of high-Z components of medical accelerator heads can lead to a significant secondary dose during a course of bremsstrahlung radiotherapy. However, a quantitative evaluation of secondary neutron dose requires improved data on the photoreaction yields. These have been measured as a function of photon energy, neutron energy and neutron angle for natW, using tagged photons at the MAX-Lab photonuclear facility in Sweden. This work presents neutron yields for natW(gamma, n) and compares these with the predictions of the Monte Carlo code MCNP-GN, developed specifically to simulate photoneutron production at medical accelerators.
Akkurt
I
I
Physics Department, Süleyman Demirel University, Isparta, Turkey.
Adler
J O
JO
Annand
J R M
JR
Fasolo
F
F
Hansen
K
K
Isaksson
L
L
Karlsson
M
M
Lilja
P
P
Lundin
M
M
Nilsson
B
B
Ongaro
C
C
Reiter
A
A
Rosner
G
G
Sandell
A
A
Schröder
B
B
Zanini
A
A
D009010:Monte Carlo Method; D009502:Neutrons; D017785:Photons; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy / Q000379:methods; D012984:Software; D014414:Tungsten / Q000528:radiation effects*
D014414:Tungsten