Tritium-gun-comparison

numass-model/src/commonMain/kotlin/ru/inr/mass/models/Spectrum.kt

@@ -30,6 +30,14 @@ public fun interface Kernel : Expression<Double> {
 
 public interface DifferentiableKernel : SpecialDifferentiableExpression<Double, Kernel>, Kernel
 
+public fun Kernel.withFixedX(x: Double): Spectrum = Spectrum { y, arguments ->
+    invoke(x, y, arguments)
+}
+
+public fun Kernel.withFixedY(y: Double): Spectrum = Spectrum { x, arguments ->
+    invoke(x, y, arguments)
+}
+
 public fun <T> Expression<T>.withDefault(default: Map<Symbol, T>): Expression<T> = Expression { args ->
     invoke(default + args)
 }

numass-workspace/src/main/kotlin/ru/inr/mass/scripts/gun_2021_11.kt

@@ -1,38 +1,115 @@
 package ru.inr.mass.scripts
 
-import ru.inr.mass.data.api.channels
+import ru.inr.mass.data.analysis.NumassEventExtractor
+import ru.inr.mass.data.analysis.amplitudeSpectrum
+import ru.inr.mass.data.api.NumassPoint
 import ru.inr.mass.data.proto.NumassDirectorySet
+import ru.inr.mass.models.*
+import ru.inr.mass.workspace.Numass
 import ru.inr.mass.workspace.Numass.readRepository
+import ru.inr.mass.workspace.buffer
 import space.kscience.dataforge.data.DataTree
 import space.kscience.dataforge.data.await
 import space.kscience.dataforge.data.data
+import space.kscience.dataforge.names.NameToken
+import space.kscience.kmath.expressions.Symbol
+import space.kscience.kmath.functions.PiecewisePolynomial
+import space.kscience.kmath.functions.asFunction
+import space.kscience.kmath.integration.integrate
+import space.kscience.kmath.integration.splineIntegrator
+import space.kscience.kmath.integration.value
+import space.kscience.kmath.interpolation.LinearInterpolator
+import space.kscience.kmath.interpolation.interpolatePolynomials
+import space.kscience.kmath.operations.DoubleField
+import space.kscience.kmath.real.step
+import space.kscience.kmath.structures.asBuffer
 import space.kscience.plotly.Plotly
-import space.kscience.plotly.histogram
 import space.kscience.plotly.makeFile
+import space.kscience.plotly.scatter
+import kotlin.math.pow
+
+fun Spectrum.cutFrom(lowerCut: Double): Spectrum = Spectrum { x, arguments ->
+    if (x < lowerCut) 0.0 else this@cutFrom.invoke(x, arguments)
+}
+
+fun Spectrum.convolve(range: ClosedRange<Double>, function: (Double) -> Double): Spectrum = Spectrum { x, arguments ->
+    DoubleField.splineIntegrator.integrate(range) { y ->
+        this@convolve.invoke(y, arguments) * function(x - y)
+    }.value
+}
+
+private val neutrinoSpectrum = NumassBeta.withFixedX(0.0)
+
+private val args: Map<Symbol, Double> = mapOf(
+    NBkgSpectrum.norm to 8e5,
+    NBkgSpectrum.bkg to 2.0,
+    NumassBeta.mnu2 to 0.0,
+    NumassBeta.e0 to 18575.0,
+    NumassBeta.msterile2 to 1000.0.pow(2),
+    NumassBeta.u2 to 0.0,
+    NumassTransmission.thickness to 1.0,
+    NumassTransmission.trap to 1.0
+)
 
 suspend fun main() {
     val repo: DataTree<NumassDirectorySet> = readRepository("D:\\Work\\Numass\\data\\2021_11\\Adiabacity_17\\")
 
+    val gunEnergy = 17000.0
+
+    val hv = 16900.0
+
     //select point number 2 (U = 16900 V) from each directory
-    val points = repo.items().mapValues {
+    val points: Map<NameToken, NumassPoint?> = repo.items().mapValues {
         val directory = it.value.data?.await()
-        val point = directory?.points?.find { it.voltage == 16900.0 }
+        val point = directory?.points?.find { point -> point.voltage == hv }
         point
     }
 
+    val spectrum: Map<Short, ULong> = points.values.first()!!
+        .amplitudeSpectrum(NumassEventExtractor.TQDC)
+        .amplitudes.toSortedMap()
+
+    //the channel of spectrum peak position
+    val argmax = spectrum.maxByOrNull { it.value }!!.key
+
+    // convert channel to energy
+    fun Short.toEnergy(): Double = toDouble() / argmax * gunEnergy
+
+    val norm = spectrum.values.sum().toDouble()
+
+    val interpolated: PiecewisePolynomial<Double> = LinearInterpolator(DoubleField).interpolatePolynomials(
+        spectrum.keys.map { it.toEnergy() - gunEnergy }.asBuffer(),
+        spectrum.values.map { it.toDouble() / norm }.asBuffer()
+    )
+
+    //convolve neutrino model with the gun spectrum
+    val model: Spectrum = neutrinoSpectrum
+        .cutFrom(14000.0)
+        .convolve(0.0..18500.0, interpolated.asFunction(DoubleField, 0.0))
+
+    val tritiumData = Numass.readPoint("D:\\Work\\Numass\\data\\2021_11\\Tritium_2\\set_11\\p0(30s)(HV1=14000)")
+
+
     Plotly.plot {
-        points.forEach { name, point ->
+        scatter {
-            if (point != null) {
+            name = "gun"
-                histogram {
+            x.numbers = spectrum.keys.map { it.toEnergy() }
-                    this.name = name.toString()
+            y.numbers = spectrum.values.map { it.toDouble() / norm }
-                    xbins {
-                        size = 4.0
-                    }
-                    x.numbers = point.frames.tqdcAmplitudes()
         }
+
+        scatter {
+            name = "convoluted"
+            x.buffer = 0.0..19000.0 step 100.0
+            y.numbers = x.doubles.map { model(it, args) }
+            y.numbers = y.doubles.map { it / y.doubles.maxOrNull()!! }
         }
+
+        scatter {
+            name = "tritium"
+            val tritiumSpectrum = tritiumData.amplitudeSpectrum(NumassEventExtractor.TQDC).amplitudes.toSortedMap()
+            x.numbers = tritiumSpectrum.keys.map { it.toEnergy() }
+            y.numbers = tritiumSpectrum.values.map { it.toDouble()}
+            y.numbers = y.doubles.map { it / y.doubles.maxOrNull()!! }
         }
     }.makeFile()
-
-
 }