v7.3.1

Functionality

• Add InterpolationSettings::NODES_UTILITY (PR #281)

Bugfixes

• Avoid continuous randomization below min_energy (PR #276)
• Catch negative dNdx values (PR #277)
• Fix accessed random number in NaivCompton::CalculateSecondaries (PR #279)
• Catch calculation that can become nan in Highland::CalculateTheta0 (PR #282)
• Fix Secondaries calculation when Multiple Scattering is enabled (PR #278)
• Add missing clone function to HighlandIntegral (PR #285)
• error in bremsstrahlung deflection for low energies (PR #280)

Miscellaneous

• Avoid invalid uses of EnergyCutSettings for only stochastic parametrizations (PR #271)
• move Maximilian Sackel to former developers ( PR #275)

v7.3.0

Physics improvements

• Add γ->µµ as a new interaction process (PR #265)
• Add deflection Van Ginneken as new parametrizations for stochastic muon deflections (PR #244)

Bugfixes

• Fix extrapolation to lower energies for PhotoproductionRhode (PR #260)
• Rewrite Propagator::AdvanceParticle method (PR #267)

Miscellaneous

• Fix windows CI (PR #261)
• Add init kwargs for Box and Cylinder (PR #264)
• Cylinder: change order of arguments in json documentation (PR #266)
• Add UnitTests for PhotoMuPairProduction (PR #269)

v7.2.1

Bugfixes

• Fix linker error for specific build configurations (PR #258 )

v7.2.0

Physics improvements

• Add Photoproduction (Gamma + Hadron interaction) as a new interaction type (PR #222)
• Restructure PhotoPairProduction secondary calculation classes, adding PhotoPairProductionKochMotzForwardPeaked as a new parametrization to describe PhotoPairProduction secondaries (PR #247)

Functionality

• Add variable end_position to ContinousLosses (PR #223)
• Add target_hash information to StochasticLoss objects to keep information about the medium/component that we interacted with; add GetMediumForHash and GetComponentForHash functions to get medium/component for a given hash (PR #224)
• Improve v node distribution for Ionization interpolation to increase accuracy of stochastic losses (PR #240)
• Add function HitGeometry to Secondaries (PR #241)
• Move density_correction parameter for LPM classes from Constructor to method (PR #243)

Bugfixes

• Register custom ParticleDef objects in Type_Particle_Map; momenta of custom particles are calculated correctly now (PR #225)
• Return empty Loss object in Interaction::SampleLoss if no stochastic interaction is possible, avoiding rare runtime errors during propagation (PR #230)
• Improve search for the correct python version for installations with pip (PR #234)
• add missing NoScattering case to make_multiple_scattering function (PR #245)
• New return case if UtilityInterpolant::GetUpperLimit is trivial, avoiding occasional numerical problems (PR #249)
• Avoid (possible) unnecessary recalculations when crossing sector borders, avoiding occasional numerical problems (PR #251)
• Fix wrong order in AdvanceDistance, fix to PR #251 (PR #252)
• Catch negative values of the differential crosssection for PhotoQ2Intgration (PR #256)

Miscellaneous

• Fix caches in GitHub actions (PR #228)
• Push GTest version to 1.11.0 (PR #232)
• Update setup.cfg (PR #235)
• Improve jupyter notebook example and update README.md (PR #236)
• Clarify exception thrown when path to configuration file is not readable (PR #237)
• Add Austin Schneider to author list (PR #239)
• UnitTest overhaul (PR #242)

v7.1.1

Bugfixes

• Add fallback if cubic_splines::find_parameter in CrossSectionDNDXInterpolant::GetUpperLimit fails (#216)
• Fix wrong sign for energies of continuous losses returned by Secondaries (#214)
• Avoid unnecessary evaluations and possible floating point exceptions in Moliere scattering (#213)

Documentation and default behaviour

• Add missing documentation for LiquidArgon and the KochMotz parametrization to the config_docu.md (#217)
• Change default photopairproduction crosssection for Gammas to KochMotz (#215)

v7.1.0

This minor releases includes the addition of several new physical models, in addition to some bug fixes.

Physics improvements

• Implement Koch&Motz parametrization for PhotoPairProduction (#191)
• Add liquid argon as a new medium (#151 / #204)
• Add updated medium properties for Ice and Water; separate medium definitions from different PDG versions into different namespaces (by default, the most recent medium definitions are used) (#151 / #204)
• Add sampling methods for the creation of bremsstrahlung photons (#189)

Fixes

• Fix numerical issues when propagating high energy muons with low energy cut settings (#210)
• Fixes and improvements for the calculation of ionization secondaries (#205)
• Fix in BremsElectronScreening parametrization: Use empirical correction factor only for energies below 50 MeV (#202)
• Repair bug where Propagation did not stop when a weak interaction occured (#190)
• Fix bug in calculation of photonuclear secondaries (#207)

v7.0.7

• Fix compiler errors on gcc5 (#194)
• Improve setup.py: Correct ABI will be used on Linux system when installing PROPOSAL with pip (#195)
• Keep initial lepton in Secondaries Calculator for photonuclear interactions (#199)

v7.0.6

• Fix boost interpolation error (#185)
• fix decay if no particle type is given in the particle state (#181)
• Avoid unknowingly wrong calculations of momenta in ParticleState (#182)
• Update README.md (#184)
• fix secondaries calc for photon and add theta calc to public funcions (#179)
• Pybind secondaries (#178)
• Fix conversion of Vector3D types via consturctors in pybind11 (#177)
• add pybindings for the DirectionChangeAngular (#173)

v7.0.5

• Set fPic if not defined (#168). This fixes linker errors when building python bindings using CMake when CMAKE_POSITION_INDEPENDENT_CODE is not explicitly set to TRUE
• Change condition in Trapezoid3S from < to <= (#170). This avoids ARITHMETIC_EXCEPTION errors in some rare cases.

v7.0.4

• Set up CI on Windows (#162)
• Add missing string header in methods.h (#161)
• Update README.md (#165, #166)