Issues

• RFCavity: Thin Lens at Profile Ends with a Slope

  bugcomponent: elements
  BLAST-ImpactX/impactx#1780 · Filter by author ax3l opened on Nov 11, 2026 · Advanced Methods (SciDAC-5)

• ExactCFbend: multipole kicks and bend map lose precision at small x/rc

  component: elementsprecision
  BLAST-ImpactX/impactx#1771 · Filter by author ax3l opened on Nov 10, 2026
  

• ExactCFbend: Multipoles up to m=10

  component: elementsprecision
  BLAST-ImpactX/impactx#1768 · Filter by author ax3l opened on Nov 6, 2026 · FY26-27 LDRD: future colliders & light sources

• ExactSbend/ExactCFbend: the t update of the bend cancels terms of order ds/β

  component: elementsprecision
  BLAST-ImpactX/impactx#1765 · Filter by author ax3l opened on Nov 6, 2026

• plot_phasespace: Particles at the Beam Edge Missing from Histograms in Single Precision

  component: diagnosticsprecision
  BLAST-ImpactX/impactx#1763 · Filter by author ax3l opened on Nov 5, 2026
  

• ExactMultipole: dipole coefficients kick the beam, the manual says they are ignored

  bugcomponent: documentationcomponent: elements
  BLAST-ImpactX/impactx#1761 · Filter by author ax3l opened on Nov 5, 2026 · Advanced Methods (SciDAC-5)
  

• ISR: NaN and Energy Gain Outside the Range of the Model

  bugcomponent: ISR
  BLAST-ImpactX/impactx#1758 · Filter by author ax3l opened on Nov 4, 2026 · FY26-27 LDRD: future colliders & light sources
  1

  

• MAD-X parser: follow-ups after #1727 and #1754

  component: lattice file parser
  BLAST-ImpactX/impactx#1755 · Filter by author ax3l opened on Nov 3, 2026
  1

• Thermal: Normalization Not Self-Consistent, Fails for Space-Charge-Dominated Beams

  bugcomponent: distributions
  BLAST-ImpactX/impactx#1749 · Filter by author ax3l opened on Nov 1, 2026 · Advanced Methods (SciDAC-5)
  1

• Space Charge: Sort particles

  backend: cudabackend: hipbackend: syclcomponent: space chargePerformance optimization
  BLAST-ImpactX/impactx#1748 · Filter by author ax3l opened on Oct 31, 2026 · Advanced Methods (SciDAC-5)
  

• Box Muller Violated Ranges

  bugcomponent: distributionsprecision
  BLAST-ImpactX/impactx#1747 · Filter by author ax3l opened on Oct 31, 2026 · Advanced Methods (SciDAC-5)
  3

  

• Short-range wakefield follow-ups

  component: wakefield
  BLAST-ImpactX/impactx#1745 · Filter by author cemitch99 opened on Oct 30, 2026 · FY26-27 LDRD: future colliders & light sources
  

• Work Through Nikita's BeamBugs Audit

  bug
  BLAST-ImpactX/impactx#1744 · Filter by author ax3l opened on Oct 30, 2026 · Advanced Methods (SciDAC-5)
  

• Reversed soft-edge elements integrate outside their field profiles

  bugcomponent: elementscomponent: python
  BLAST-ImpactX/impactx#1731 · Filter by author nikitakuklev opened on Oct 30, 2026
  

• insert_element_every_ds changes the transport of RF cavities, soft-edge magnets and maps it splits

  bugcomponent: elementscomponent: python
  BLAST-ImpactX/impactx#1728 · Filter by author nikitakuklev opened on Oct 30, 2026
  1

  

• Rolled ThinDipole, Sbend and ExactSbend steer neither the beam nor the reference orbit vertically

  bugcomponent: elementstracking: particles
  BLAST-ImpactX/impactx#1725 · Filter by author nikitakuklev opened on Oct 30, 2026 · Advanced Methods (SciDAC-5)
  

• insert_element_every_ds gives each piece of a split ExactSbend the angle of the whole bend

  bugcomponent: diagnosticscomponent: python
  BLAST-ImpactX/impactx#1723 · Filter by author nikitakuklev opened on Oct 30, 2026
  1

  

• CUDA fast-math: sin(x)/x terms lose small angles in single precision (ChrUniformAcc, spin rotation)

  backend: cudacomponent: spin trackingprecision
  BLAST-ImpactX/impactx#1722 · Filter by author ax3l opened on Oct 29, 2026
  

• ExactCFbend: NaN on GPU in single precision for negative curvature (std::pow under CUDA fast-math)

  backend: cudaprecision
  BLAST-ImpactX/impactx#1721 · Filter by author ax3l opened on Oct 29, 2026
  

• 2p5D space charge: the longitudinal kick uses a fixed 1 m reference length

  bugcomponent: space charge
  BLAST-ImpactX/impactx#1718 · Filter by author nikitakuklev opened on Oct 28, 2026 · Advanced Methods (SciDAC-5)
  1

  

• Unify the Interfaces of Bending Elements

  component: elements
  BLAST-ImpactX/impactx#1715 · Filter by author ax3l opened on Oct 23, 2026

• Clean-up tests/python/test_wake.py

  bugcomponent: tests
  BLAST-ImpactX/impactx#1714 · Filter by author cemitch99 opened on Oct 22, 2026
  

• CSR: wake constant underflows in single precision (9.2% too strong)

  precision
  BLAST-ImpactX/impactx#1713 · Filter by author ax3l opened on Oct 21, 2026
  

• ISR for non-electrons

  bugcomponent: ISR
  BLAST-ImpactX/impactx#1708 · Filter by author ax3l opened on Oct 20, 2026 · FY26-27 LDRD: future colliders & light sources

• 3D space charge at low energy: longitudinal kick lost in single precision (ToFixedT/ToFixedS)

  component: space chargeprecision
  BLAST-ImpactX/impactx#1705 · Filter by author ax3l opened on Oct 17, 2026
  1