Application of Application of Neutron Detection Systems to Neutron Detection Systems to

Compact Neutron SourcesCompact Neutron Sources

SuguruSuguru

MutoMutoKENS, KEKKENS, KEK

UCANS-1, 15-18 Aug 2010 , Tsinghua University

Collaboration of MLFCollaboration of MLF--DAQDAQ

・・KEK:KEK:

T. T. OtomoOtomo, S. Satoh, K. , S. Satoh, K. NakayoshiNakayoshi, , H. Sendai, E. Inoue, Y. H. Sendai, E. Inoue, Y. YasuYasu, , J. Suzuki, H. J. Suzuki, H. OshitaOshita

・・JAEA/JAEA/JJ--PARC Center:PARC Center:

T. T. NakataniNakatani, Y. , Y. InamuraInamura, T. , T. ItohItoh

・・Ibaraki University:Ibaraki University:

T. T. HosoyaHosoya

ContentsContents

DAQ for MLF/JDAQ for MLF/J--PARCPARC

33HeHe--PSD System / PSD System / NeuNETNeuNET

systemsystem

SoftwareSoftware

for Compact Neutron Source Experimentsfor Compact Neutron Source Experiments

SummarySummary

Japan Proton Accelerator Research ComplexJ-PARC

Materials and Lift Science Experimental FacilityMLF

LINAC

RCS

MR

Hadron

Neutrino

MLF

MLF/MLF/JJ--PARCPARC DAQDAQ SystemSystem

FutureFuture

of Jof J--PARC Neutron SourcePARC Neutron Source・・High Intensity (1MW), Pulsed Neutron (25Hz) SourceHigh Intensity (1MW), Pulsed Neutron (25Hz) Source

DAQ DAQ System concept System concept (1) (1) NewNew

Experiments with neutron detection event recordingExperiments with neutron detection event recording

(e.g. observation of transition phenomenon) (e.g. observation of transition phenomenon) ⇒⇒ Histogram to EventHistogram to Event--mode datamode data--takingtaking

(still photo to motion picture)(still photo to motion picture)⇒⇒

Mass data production Mass data production --> high speed data transfer> high speed data transfer

(2) Accurate and Precise Experiments on TOF measurements(2) Accurate and Precise Experiments on TOF measurements(e.g. World highest resolution spectrometer)(e.g. World highest resolution spectrometer)

large spectrometer and wide detection area large spectrometer and wide detection area ⇒⇒ distributed and scalable DAQ systemdistributed and scalable DAQ system

Press releaseJuly 17, 2008

BL08 :powder diffractometershows high performance

SuperHRPD

(KEK)

HRC 

(KEK)

TAKUMI 

(JAEA)

ARISA‐II 

(KEK)

iBIX

(Ibaraki 

Pref.)

NNRI (Tokyo Tech. U.,JAEA, Hokkaido U.)

AMATERAS (JAEA)

NOBORU 

(JAEA)

4SEASONS （JAEA, KEK, Tohoku U.）

iMATERIA(Ibaraki Pref.)

NOVA(NEDO, KEK）

NOP 

(KEK)

3He-PSD: 6Scintillator: 2Others: 4

MLF Spectrometers

New New 33HeHe--PSD SystemPSD System

Changing Items from old systemChanging Items from old system・・DataData--taking : Histogram to Eventtaking : Histogram to Event--modemode

(recording neutron by neutron(recording neutron by neutron))・・DData processing : on board circuit to software basedata processing : on board circuit to software based・・DData transfer : Fast and wideata transfer : Fast and wide--bandband

Technique : from the Detector Technology Project (DTP) of KEKTechnique : from the Detector Technology Project (DTP) of KEK・・NetworkNetwork--based highbased high--speed data transfer: speed data transfer: SiTCPSiTCP・・Software based data processing: DAQSoftware based data processing: DAQ--MiddlewareMiddleware

Developing Developing NeuNETNeuNET・・KENSKENS

old PSD electronics + old PSD electronics + SiTCPSiTCP

⇒⇒ NeuNETNeuNET

electronicselectronics

・・NeuNETNeuNET

electronics + DAQelectronics + DAQ--Middleware Middleware ⇒⇒ NeuNETNeuNET

systemsystem

NeuNETNeuNET

FutureFuture・・Recording neutron detection as an eventRecording neutron detection as an event

PSD No, detection position and time PSD No, detection position and time ・・Data transfer via networkData transfer via network

easily expand data band widtheasily expand data band width・・Simultaneous process in 8 PSD at one boardSimultaneous process in 8 PSD at one board・・Flexible configuration for any Flexible configuration for any 33HeHe--PSDPSD・・Over 100 board in one spectrometer at MLF with Over 100 board in one spectrometer at MLF with

DAQDAQ--MiddlewareMiddleware・・Small configuration for portable experimentsSmall configuration for portable experiments

・・PProducts are commercially availableroducts are commercially available

(Toshiba(Toshiba--ETD, etc.)ETD, etc.)

Pre-amp

Pre-ampBase-substratum

Pre-amp

Switching Hub

GateNET

ADC

Si-TCP

NeuNET

H.V. supply

Pre-amp

Pre-ampBase-substratum

Pre-amp

T0 (from Acc.)Local Time Generator

Si-TCP

3He PSD x 8

PC forDAQ middleware

ADC

ADC

ADC

Buffer

T0 (with local time)

PSD box

NeuNET

Cluster

8 PSD/NeuNET20 NeuNET

(Maximum) / VME Crate

Ethernet

20 G bE

20 G bE

20 G bE

20 G bE

20 G bE

20 G bE

V M EN euNET x 20

V M EN euNET x 20

V M EN euNET x 20

V M EG ateN ET

V M EN euNET x 20

V M EN euNET x 20

V M EN euNET x 20

V M EG ateN ET

Sw itching H U B24port (Type1)

Sw itching H U B24port (Type1)

Sw itching H U B24port (Type1)

Sw itching H U B24port (Type1)

Sw itching H U B24port (Type1)

Sw itching H U B24port (Type1)

PC (type1)D AQ -C PU

PC (type1)D AQ -C PU

PC (type1)D AQ -C PU

PC (type1)D AQ -C PU

PC (type1)D AQ -C PU

PC (type1)D AQ -C PU

PC (type2)D AQ -Server

N AS(Public)

N AS(Private)

PC (type1)D AQ -O P

PC (type1)Firew all

Sw itching H U B16port (Type2)

Sw itching H U B16port (Type2)

Sw itching H U B16port (Type2)

Sw itching H U B16port (Type2)

J-LA N

J-LA N

D ata-LA N

Strage2-LA N (D ata saving : D AQ -C PU to N A S)

Strage1-LA N (D ata reading : NA S to Analysis-C PU )

C ontrol-LAN

B L09 D AQ S ystem B lock D iagram

LD A P, N et boot server, etc.

Typical NeuNET system Diagram with DAQ-Middleware(BL09/MLF)

Possible to increase or decreaseNeuNET cluster to fit system

Server and

network switch

MLF BL21 System98 NeuNET board

with DAQ-MW

Compact system5 NeuNET board

SoftwareSoftware

Systems are working on software (already mSystems are working on software (already main parts ofain parts of

the system)the system)

Key software:Key software:・・DataData--taking: "DAQtaking: "DAQ--Middleware" (from the DTP of KEK)Middleware" (from the DTP of KEK)・・Common lCommon library: "ibrary: "ManyoManyo--Lib" (original)Lib" (original)・・User desktop: "Working desktop" (original)User desktop: "Working desktop" (original)

integrate of all experimental environmentintegrate of all experimental environmentimprovement of usabilityimprovement of usability

Most software are shared in MLF (as much as possible)Most software are shared in MLF (as much as possible)Avoid a double investment of cost and human resourceAvoid a double investment of cost and human resource

Developments are still going onDevelopments are still going on

for Cfor Compactompact

NNeutroneutron

SSourceource

ExperimentsExperiments

DAQ system must beDAQ system must besimple and easy for use and simple and easy for use and maintenancemaintenancereduce of cost and manreduce of cost and man--powerpower

Recommendation:Recommendation:Small scale of large system (shrink but same)Small scale of large system (shrink but same)

Sharing of operation knowSharing of operation know--howhowUsability of system (not be puzzled)Usability of system (not be puzzled)

NeuNETNeuNET

system is one of candidate !!system is one of candidate !!

SummarySummary

・・MLF/JMLF/J--PARC experiments,PARC experiments,・・

Developed new DAQDeveloped new DAQ--systemsystem

EventEvent--mode datamode data--takingtakingDDistributed and scalable DAQ systemistributed and scalable DAQ system

・・

NeuNETNeuNET

is standard for is standard for 3HeHe--PSD systemPSD system・・

Shared software are also commonly usedShared software are also commonly used

・・NeuNETNeuNET

system will be applied for ANY scale of experimentssystem will be applied for ANY scale of experimentscovered a few covered a few PSDPSD

to over 100to over 10000

PSD in one systemPSD in one system

Special Thanks toSpecial Thanks tothe Detector Technology Project of KEK the Detector Technology Project of KEK