Task Test beam infrastructure in Frascati G. Mazzitelli on behalf of LNF, Ferrara & Perugia INFN structure. AIDA kick-off meeting, CERN February 2011

Beam Test Facility(BTF) Infrastructure The Frascati BTF infrastructure is a beam extraction line optimized to produce electrons, positrons, photons and neutrons mainly for HE detector calibration purpose. The aim of the task is to improve and further qualify the BTF facility B. Buonomo, L. Foggetta, G. Mazzitelli, L. Quintieri & P. Valente

The DA  NE BTF The BTF is a e  /e  test-beam facility in the Frascati DA  NE collider complex BTF high current Linac:  1  500 mA e  100 mA e ,  ns pulses, at least 10 7 particles Need to attenuate the primary beam:  Single particle regime is ideal for detector testing purposes  Allows to tune the beam intensity  Allows to tune the beam energy Need to attenuate the primary beam:  Single particle regime is ideal for detector testing purposes  Allows to tune the beam intensity  Allows to tune the beam energy

BTF layout LINAC tunnel main ring BTF Hall momentum analyzer 4 m 5.5 m Hall control room

Selected energy (MeV) N. of particles detector 1e- 2e- 3e- 0 LINAC beam attenuation W slits 45 0 magnet tunable Cu target: 1.7, 2.0, 2.3 X 0 LINAC Beam mA

BTF beam characteristic Number (particles/pulse) 1   Energy (MeV)  750 Repetition rate (Hz) Pulse Duration (ns)101 or 10 p resolution 1% Spot size ( mm )  x,y ≈ 2 (single particle) up to 10*10 (high multiplicity) Divergence (mmrad)  ’ x,y ≈ 2 (single particle) up to 10 (high multiplicity) Beam (e - or e + ) intensity can be adjusted by means of the energy dispersion and collimators, down to single particle per pulses Multi-purpose facility: H.E. detector calibration and setup Low energy calorimetry & resolution Low energy electromagnetic interaction studies High multiplicity efficiency Detectors aging and efficiency Beam diagnostics

BTF photon tagged source AGILE GRID photon calibration AGILE GRID spectrometer silicon tagging target silicon detector The AGILE Gamma Ray Imaging Detector calibration at BTF is aimed at obtaining detailed data on all possible geometries and conditions. BTF can provide data in the most significant energy region ( MeV) Be window

BTF Experimental Hall Neutron BTF Transfer Line Photonuclear neutron production Beam power 40 W Neutron from target 4E+5 n/cm2/s; 45 mSv/h (ex. data)

Facility equipment 4 m 5.5 m Linac tunnel Control room: Pc’s, Controls console, printer cabling, crate and racks, etc main entrance: radioprotection wall can be removed on demand one meeting room (WiFi) one guest office (LAN-WiFi)

Facility equipment C 4 H 10 CO 2 Noble Gas C2H6C2H6  permanent DAQ TDC/QDC/ADC/scaler/disc. available  NIM, VME, CAMAC Branch, VME controllers  ‘Devil’/VMIC VME and CAMAC controller, NIM modules  Remotely controlled trolley  Gas system  HV system…  crates, rack, etc.  HV SY2527 (3/4KV neg, 3/4KV pos, 15KV pos)  low attenuation Cabling BTF HALL-BTF CR  Network : Wi-Fi, dedicated-LAN, WAN, printer

remote trolley … A remotely controled motorized system built to control the position of the device under test February , CERN AIDA-WP first milestone INFN LNF

New remote trolley (7 Feb 2011) plane 600x600 mm min height915 mm max height1250 mm horiz. excursion1000 mm max load 200 Kg accuracy < 1 mm 2 LNF-DR - Reparto Automatismi e Controlli: Ubaldo Denni, M. Antonietta Frani, Giuseppe Papalino local control

LYSO calorimeter … LYSO calorimeter prepared as a SuperB prototype to provide a map of beam energy in various beam operating parameters. February , CERN AIDA-WP second milestone INFN Perugia & UiB – Ref. C. Cecchi

February , CERN AIDA-WP8 LYSO calorimeter to study the dependence of the beam energy and resolution on the beam operating parameters Prototype mechanical structure has been designed and built Front-end electronics has been designed and developed 6 crystals inserted in the structure and with two different readouts (PiN and APD), with the developed FE electronics have been tested at the BTF. AP D Pi N AP D Pi N Ring 10 Ring 9 Ring 8

February , CERN AIDA-WP8  Example of 300 MeV electrons  We may use also 2 electron events, more range  Resolution:  1 e- : 6.62±0.07 %  2 e- : 4.64±0.17 % PiN3PiN2PiN1 APD 3 APD 2 APD 1 New test with 25 crystals is foreseen in 2011 Expected resolution at 1GeV with the complete 5x5 matrix 2%

GEM tracker status… GEM chambers for monitoring the beam position and the beam width with a resolution of about 300 μm. For tests of tracking detectors a beam tracking telescope will be built based on GEM providing a spacial resolution of <100 μm in one view. February , CERN AIDA-WP third milestone INFN LNF - Ref F. Murtas

GEM TPC cross section beam 8 GEM TPC prototype z y x y z x Y resolution ~ 50  m (limited by drift time) X resolution ~ 1 mm (limited by pad pitch) GEM-TPC Traker

new design (pad 500  m) new design goal: Y resolution O(100 micron) X resolution O(300 micron) Angular res.O(10 mrad) development: limitation due to minimal pad dimension 300  m and design and implementation of high density front end electronics z x compact design: fpga based ethernet/opt/usb output 128 ch electronic

Multi purpose DAQ… A multi purpose DAQ able to acquire, store and synchronize beam parameters and data with experiments DAQ. February , CERN AIDA-WP fourth milestone INFN Ferrara & LNF - Ref R. Calabrese

Multi purpose DAQ  Integrate most common device – ADC/TDC/SCALER, etc (BTF and LNF electronic pool )  Integrate BTF beam diagnostics (calorimeters, profile monitors – scintillating fiber & Si chambers, photon tagging, neutrons monitors)  Tag & synchronize data with hosted experiments DAQ e- spectra GUI - on line beam monitor XY beam sci or Si ch-profile front end VME – DAQ labview & C cins based

Conclusions  design and put in operation a remotely controlled trolley for detector test  installation foreseen in march 2011  equip the BTF with a GEM chambers for monitoring with a resolution of about 100 μm  very good result obtained; high resolution device is under development  equip the BTF with LYSO calorimeter as monitor the beam energy  preliminary test done. More measurements, electronic tests, etc are foreseen in 2011  muti purpose DAQ system  continuously under implementation adding new board & drivers. Photon tagging & data tag and synchronization is in progress