feat(trap-plot): add Nozik trap function for comparison

numass-workspace/src/main/kotlin/ru/inr/mass/scripts/trap-plot.kt

@@ -8,6 +8,7 @@ import space.kscience.plotly.models.TraceType
 import space.kscience.dataforge.meta.Value
 import space.kscience.kmath.structures.asBuffer
 import space.kscience.plotly.models.ScatterMode
+import kotlin.math.exp
 
 fun main() {
     val maxDelta = (WALL_R - WALL_L)
@@ -35,6 +36,18 @@ fun main() {
         }
 
         plot {
+            scatter {
+                name = "Nozik Trap"
+                mode = ScatterMode.lines
+                x.buffer =  (0.0..90.0 step 1.0).toDoubleArray().plus((100.0..maxDelta step 10.0).toDoubleArray()).asBuffer()
+                y.numbers = x.doubles.map {
+                    if (it > 10) {
+                        1.86e-04 * exp(-it / 25.0) + 5.5e-05
+                    } else {
+                        0.0
+                    }
+                }
+            }
             for (HV in (WALL_L..WALL_R step 1000.0)) {
                 scatter {
                     name = "${HV / 1000.0} keV"