Hybrid ND geometry study Chang Kee Jung Clark McGrew Jose Palomino - - PowerPoint PPT Presentation

Hybrid ND geometry study

Chang Kee Jung Clark McGrew Jose Palomino Xin Qian Brett Viren Guang Yang

• Jan. 2017

1 DUNE ND workshop

Hybrid ND

• A combination of Ar detector and tracker
• measure the Ar cross section as well as the

detector-related uncertainties

• High correlation of systematics to the FD is

expected

• In addition to the three individual ND designs,

another possibility (as shown by Chang Kee)

• May be flexible for all detector combinations, such

as nuPRISM-like detector + FGT design.

• Jan. 2017

2 DUNE ND workshop

Hybrid ND

• Generate the geometry
• Do simulation and use the true info. to find good

designs (might be CAPTAIN-Minerva-like simulation, being implemented by Clark)

• Above will give a sense of the control of flux and

cross section uncertainties

• Then apply reconstructions to understand the

detector-related errors

• Group has been formed and weekly meeting has

been started

• Current

members: Chang Kee Jung, Clark McGrew, Jose Palomino and Guang yang from Stony Brook and Brett Viren and Xin Qian from Brookhaven.

• Jan. 2017

3 DUNE ND workshop

Current status

• Preliminary geometry has been done

with GeGeDe package

• Flexible for different kinds of detector

design

• Simulation is being developed
• In this talk, details of the geometry

generation will be described

• Jan. 2017

4 DUNE ND workshop

GeGeDe

• Written in Python by Brett

https://github.com/brettviren/gegede/blob/master/doc/install.org

• The General Geometry Description (GGD) is a software system

to generate a description of a constructive solid geometry specifically as used by Geant4 or ROOT applications are as represented in GDML files.

Params: high level, human-centric configuration mechanism Builders: structured, procedural geometry constructor code Objects: the in-memory representation of the final geometry Exports: conversion to formats suitable to exchange the data with other applications

• Jan. 2017

5 DUNE ND workshop

GeGeDe

• Tylor Alion has been using GGD to create

geometry for FGT. https://github.com/DUNE/duneggd/tree/master /python/duneggd/fgt

• Jose and Guang are inserting a package

named dunehnd in duneggd.

• The dunehnd can build geometry itself OR call

the builders in duneggd, the duneggd can also call dunehnd’s builders.

• Currently, there is NO fixed design so ND

design is easy to change and different configurations can be quickly tested.

• Jan. 2017

6 DUNE ND workshop

DUNEHND

• Hierarchy of dunehnd

World DetEnc https://github.com/gyang9/GuJo PRIMDec SECDec LArD Tracker Module Plane Strip/Wire Magnet Downstream ECal Barrel ECal Downstream Hcal (MuID) Barrel Hcal (MuID) Module Plane Strip

• Jan. 2017

7 DUNE ND workshop

DUNEHND – Documentation

• Is being developed by Jose.
• Documentation will be finished in detail at

https://palominogallo.github.io/dunehnd_doc/html/

• Jan. 2017

8 DUNE ND workshop

Example ND generated by dunehnd itself

Magnet Downstream ECal Downstream MuID Barrel ECal Lar Detector FGT tracker

• All basic elements are there.
• Easy to change dimensions,

locations, materials and designs.

• All sub-builder classes are done,

i.e. construction structure done.

• Detailed elements such as

scintillator bars, RPC and straw tubes will be added.

• Jan. 2017

9 DUNE ND workshop

DUNEHND – reverse LarD and tracker

Magnet Downstream ECal Downstream MuID Barrel ECal FGT tracker Lar detector

• All dimensions, positions,

materials and designs can be easily changed.

• Jan. 2017

10 DUNE ND workshop

Call existing builders in duneggd

• In duneggd, detailed Straw tube tracker,

barrel, upstream and downstream ECal and MuID and magnets exist, so dunehnd can use those builders directly.

• Ar-like detector or tank target is added

additionally.

• Existing elements and additional elements can

be easily removed or added.

• Dimensions, locations, materials and designs

can be quickly change in the dunehnd configuration files.

• Jan. 2017

11 DUNE ND workshop

Call builders of FGT tracker, barrel and downstream ECal in duneggd

LAr Detector Barrel ECal Target Downstream ECal Target and Straw tube plane alternatively

• Jan. 2017

12 DUNE ND workshop

Can add the MuID tracker or magnets easily

Call builders of MuID (rpc) and magnets in duneggd

• Jan. 2017

13 DUNE ND workshop

Changing the order of Lar detector and tracker

• The FGT tracker can be different styles:

Scintillator bars Straw tubes

• Jan. 2017

14 DUNE ND workshop

Design is NOT fixed, will test different configurations

HP gas Ar TPC + pixel readout at the end

HP Ar Gas Barrel ECal Target Downstream ECal FGD Pixel readout

• Jan. 2017

15 DUNE ND workshop

Summary

• An ad hoc working group has been formed to

explore hybrid ND configurations. Everyone is welcomed to join the group.

• A hybrid ND geometry generation package

“dunehnd” has been created.

• Different ND configurations could be implemented.
• Simulation of different geometries is being
• developed. Aim to optimize the Hybrid ND design

with this study.

• Jan. 2017

16 DUNE ND workshop