| Description: The ion_type attribute indicates the types of ions measured. |
| Namespace Id: particle | Steward: ppi | Class Name: Particle_Parameter | Type: ASCII_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: SHORT_STRING |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | Alpha | Positively charged particle consisting of two protons and two neutrons |
| | Heavy | Ions with a higher atomic number than helium |
| | Proton | Positively charged subatomic particle |