Several correction factors for two new reference beta-particle radiation fields complementing ISO 6980 have been measured and calculated for both primary beta dosimetry and the operation-al quantities in radiation protection. The following correction factors for primary beta dosimetry for the determination of the absorbed dose to tissue, Dt, have been determined by calculations: kba for backscatter from the collecting electrode, kpe for perturbation by the chamber's side walls, kih for inhomogeneity inside the collecting volume, kSta for the stopping power ratio at different phantom depths, and kSA for the use of the Spencer-Attix theory, while the following have been measured: kbr for the effect of bremsstrahlung and kabs for variations in the attenuation and scat-tering of beta particles between the source and the collecting volume due to variations from ref-erence conditions and for differences of the entrance window to a tissue equivalent thickness of 0.07 mm. Furthermore, calculations were undertaken to determine the following correction fac-tors to assess the operational quantities Hp(0.07), Hp(3), H'(0.07), and H'(3): krod(0.07) for the rod instead of the slab phantom, kcyl(3) for the cylinder instead of the slab phantom, as well as k'(0.07) and k'(3) for the ICRU sphere instead of the slab phantom, while the correction factor for oblique radiation incidence has been measured. The newly determined correction factors were determined in the same way as those for several well-established beta-particle radiation fields described in two earlier publications by the author. Furthermore, they are ready to be implemented in an updated version of the ISO 6980 series and in the software of the Beta Secondary Standard BSS 2.

中文翻译：

---

两个新参考β辐射场的校正因子

为补充 ISO 6980 的两个新参考 β 粒子辐射场的几个校正因子已经被测量和计算，用于初级 β 剂量测定和辐射防护中的操作量。用于确定组织吸收剂量 Dt 的初级 β 剂量学的以下校正因子已通过计算确定：kba 表示来自收集电极的反向散射，kpe 表示腔室侧壁的扰动，kih 表示收集体积内的不均匀性, kSta 表示不同体模深度下的停止能力比，kSA 表示使用 Spencer-Attix 理论，同时测量了以下内容：kbr 表示轫致辐射和 kabs 对源和收集体积之间 β 粒子衰减和散射变化的影响，这是由于参考条件的变化以及入射窗与 0.07 毫米组织等效厚度的差异. 此外，还进行了计算以确定以下校正因子，以评估操作量 Hp(0.07)、Hp(3)、H'(0.07) 和 H'(3)： krod(0.07) 用于杆而不是平板体模，圆柱体的 kcyl(3) 代替平板体模，ICRU 球体的 k'(0.07) 和 k'(3) 代替平板体模，而斜辐射入射的校正因子为被测量。新确定的校正因子的确定方式与作者早先两篇出版物中描述的几个完善的 β 粒子辐射场的确定方式相同。此外，它们已准备好在 ISO 6980 系列的更新版本和 Beta 二级标准 BSS 2 的软件中实施。