Photon- and muon-induced reaction models -------------------------------------------------------------------------------- .. rst-class:: no-caption-number .. list-table:: **ipnint** :header-rows: 0 * - Value - Explanation * - | (D=0) - | Options for photo-nuclear reaction. [#]_ * - | =0 - | This reaction mechanism is not considered. * - | =1 - | This reaction mechanism is considered, except for nuclear resonance fluorescence. * - | =2 - | This reaction mechanism is considered, including nuclear resonance fluorescence. | (See notes below this table for polarization of incident photons.) .. rst-class:: no-caption-number .. list-table:: **pnimul** :header-rows: 0 * - Value - Explanation * - | (D=1.0) - | Multiplying factor to increase sampling probability of photo-nuclear reaction. .. rst-class:: no-caption-number .. list-table:: **imucap** :header-rows: 0 * - Value - Explanation * - | (D=1) - | Options for capture reactions of negative-muons considering characteristic X-ray production from muonic atoms and nuclear absorption. * - | =0 - | This reaction mechanism is not considered. * - | =1 - | This reaction mechanism is considered with default parameters used for calculation of characteristic X-ray production. * - | =2 - | This reaction mechanism is considered with user defined parameters written in file(28) used for calculation of characteristic X-ray production. .. rst-class:: no-caption-number .. list-table:: **iqmdscm** :header-rows: 0 * - Value - Explanation * - | (D=0) - | Option for Surface Coalescence Model [#]_ (SCM) in the calculation of capture reactions of negative-muons. * - | =0 - | Turn off SCM. * - | =1 - | Activate the SCM. .. rst-class:: no-caption-number .. list-table:: **scm_h0** :header-rows: 0 * - Value - Explanation * - | (D=0.25) - | Adjustable parameter of SCM, :math:`h0` . [GeV fm/c] .. rst-class:: no-caption-number .. list-table:: **scm_d** :header-rows: 0 * - Value - Explanation * - | (D=1.75) - | Adjustable parameter of SCM, :math:`D` . [fm] .. rst-class:: no-caption-number .. list-table:: **scm_rcls** :header-rows: 0 * - Value - Explanation * - | (D=-1.124) - | Adjustable parameter of SCM, :math:`Rcls` [fm]. The adjustable parameter of SCM, :math:`R0` [fm], is calculated as follows: * - | > 0 - | :math:`R0 = Rcls` * - | < 0 - | :math:`R0 = \left|Rcls\right| * A^{-1/3}` For the nuclear resonance fluorescence considered in ipnint=2, polarization of incident photons can be specified using sx,sy,sz in the [source] section. The angular distribution of the scattered photons is determined with regard to the polarization. .. rst-class:: no-caption-number .. list-table:: **imuint** :header-rows: 0 * - Value - Explanation * - | (D=1) - | Options for muon-induced nuclear reaction based on the virtual photon theory. * - | =0 - | This reaction mechanism is not considered. * - | =1 - | This reaction mechanism is considered. .. rst-class:: no-caption-number .. list-table:: **imubrm** :header-rows: 0 * - Value - Explanation * - | (D=1) - | Options for muon-induced bremsstrahlung. * - | =0 - | This reaction mechanism is not considered. * - | =1 - | This reaction mechanism is considered. .. rst-class:: no-caption-number .. list-table:: **imuppd** :header-rows: 0 * - Value - Explanation * - | (D=1) - | Options for muon-induced electron-positron pair production. * - | =0 - | This reaction mechanism is not considered. * - | =1 - | This reaction mechanism is considered. .. rst-class:: no-caption-number .. list-table:: **emumin** :header-rows: 0 * - Value - Explanation * - | (D=200.0) - | Minimum energy of muon-induced nuclear reaction [MeV]. The change of emumin also changes the reaction cross sections over the entire energy range. .. rst-class:: no-caption-number .. list-table:: **emumax** :header-rows: 0 * - Value - Explanation * - | (D=1.0e+6) - | Maximum energy of muon-induced nuclear reaction [MeV]. .. [#] Until ver. 2.30, this parameter was named ipngdr. .. [#] \Y. Watanabe and D. N. Kadrev, Proc. Int. Conf. Nucl. Data Sci. Technol. 2007 (ND2007) (2007) 1121-1124.