The antiproton depth-dose curve in water

被引：21

作者：

Bassler, N. ^{[1
,2
]}

Holzscheiter, M. H. ^{[3
]}

Jaekel, O. ^{[2
]}

Knudsen, H. V. ^{[4
]}

Kovacevic, S. ^{[5
]}

机构：

[1] Aarhus Univ Hosp, Dept Expt Clin Oncol, DK-8000 Aarhus, Denmark

[2] Deutsch Krebsforschungszentrum, D-6900 Heidelberg, Germany

[3] Univ New Mexico, Albuquerque, NM 87131 USA

[4] Univ Aarhus, Dept Phys & Astron, Aarhus, Denmark

[5] Univ Montenegro, Podgorica, Montenegro

来源：

PHYSICS IN MEDICINE AND BIOLOGY | 2008年 / 53卷 / 03期

关键词：

D O I：

10.1088/0031-9155/53/3/017

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

We have measured the depth-dose curve of 126 MeV antiprotons in a water phantom using ionization chambers. Since the antiproton beam provided by CERN has a pulsed structure and possibly carries a high-LET component from the antiproton annihilation, it is necessary to correct the acquired charge for ion recombination effects. The results are compared with Monte Carlo calculations and were found to be in good agreement. Based on this agreement we calculate the antiproton depth-dose curve for antiprotons and compare it with that for protons and find a doubling of the physical dose in the peak region for antiprotons.

引用

页码：793 / 805

页数：13

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