The MoEDAL Experiment A Progress Report The MoEDAL Experiment A Progress Report James L Pinfold, University of Alberta LHCC Open Session, March 2012 James L Pinfold, University of Alberta LHCC Open Session, March

Menu  The MoEDAL Experiment Intro  The MoEDAL “TDR” Detector  The Physics Program  Progress since last report  MoEDAL Collaboration – new faces  The Test Array deployment  The TimePix pixel chip test deployment  Testing and calibrating the plastic  The Very High Charge Catcher, plans  GEANT4 simulation of plastic NTDs  Conclusion & Timescale 2

The MoEDAL Detector 3

The MoEDAL TDR Detector MoEDAL will be the largest Nuclear Track Detector (NTDs) array ever deployed (250 sqm) at an accelerator NTDs are passive detectors that don’t need extensive support structures or HV, gas, electronic readout or trigger & are insensitive to relativistic SM particles Tracks are revealed as conical etch pits by controlled etching of the NTD with charge resolution ~0.05e and spatial resolution ~ 10 microns/pit 4

The TimePix Radiation Monitor Timepix (MediPix) chips will be used to measure the radiation/spallation background in real-time The TimePix chip pixels are instrumented with an amp. + comparator + counter + timer (allows TOT E- measurement) The TimePix chip is a petite electronic bubble chamber The Timepix chip 5

The MoEDAL Physics Program Search for magnetic Monopole/Dyon (a singly charged relativistic monopole has ionization ~4700n times that of a MIP) - with mass up to ~7 TeV and magnetic charge (ng) of up to n=8-9 Search for exotic, massive (pseudo-)stable, single or multiply charged particles (SMPs) with Z/  ≥ 5,with mass up to 7 TeV and charge as high as ~400, for example: Charged black hole remnants from ADD models of LEDs Universal Extra dimensions - KK-particles Higgs bosons: H ++ (L-R symmetric models) & H o  N-Nbar R-hadrons (Split SUSY, GMSB, SUSY5D) Very heavy stable SUSY particles (sleptons, etc.) Technibaryons & Mirror fermions Q-balls (extended balls of electric charge), Quirks, etc IJMPA PAPER ON THE PHYSICS OF MoEDAL IS UNDER PREPARATION MoEDAL “Prep. For Physics Workshop” PLANNED FOR JUNE 6

The main LHC detectors are optimized for the detection of singly (electrically) charged (or neutral) particles (Z/  ~1) moving near to the speed of light (  > ~0.5) Typically a largish statistical sample is needed to establish a signal MoEDAL is designed to detect charged particles, with effective or actual Z/  > 5. As it has no trigger/ electronics slowly moving (  < ~0.5) particles are no problem One candidate event is enough to establish the signal (no Standard Model backgrounds) ATLAS+CMS MoEDAL MoEDAL is complementary to the main LHC experiments and expands the physics reach of LHC MoEDAL’s Complementarity 7

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MoEDAL Collaboration – Increases The University of Alberta, Edmonton, Alberta (CANADA) - J. L. Pinfold (spokesman), Marc de Montigny, R. Soluk The Physics Dept., University of Bologna and INFN Bologna (ITALY) - S. Cecchini, G. Giacomelli, M. Giorgini, L. Patrizii, G. Sirri, V. Togo CERN, Geneva (SWITZERLAND) – M. Campbell, D. Lacarrere, A. de Roeck Université de Genéve – A. Katre, Phillipe Mermod. Institute of Experimental and Applied Physics (IEAP), CTU, Prague, (CZECH REPUBLIC J. Jakubec, M. Platkevic, S. Pospisil, Z. Vykydal. Dept. of Physics, University of Cincinnati, Ohio (USA) - K. Kinoshita. DESY, Hamburg (GERMANY ) - T. Hott King’s College London (UK) - J. Ellis, M. Fairbairn, N. Mavromatos Northeastern University, Boston, Massachusetts (USA) - J. Swain. Institute for Space Sciences, P.O.Box MG-23, Ro , Bucharest - Magurele, (ROMANIA)- D. Felea, D. Hasegan, G. E. Pavalas, V. Popa ***** APPLICATIONS IN PROGRESS FROM SPAIN AND RUSSIA ***** 9

The New Faces King’s College London CERN Université de Genéve Alberta 10

In January 2011 we installed a test array with area ~1/3 of the full “TDR” detector i.e. 80 sqm (= 8 sqm x 10) of NTDs The MoEDAL Test Array Deployment VELO 11

The TimePix Radiation Monitor Test Deployment In Feb a team from the Alberta, Czech Republic & CERN groups deployed a test system of 2 TimePix pixel detectors - the final system to consist of ~10 chips One of the two TimePix pixel chips deployed The DAQ system housed in the D2 Barrack (IP8) The online readout from the Chip showing radiation field 12

Testing & Calibrating the NTDs We obtained beam time at the NASA Space Radiation Laboratory (NSRL) at BNL to calibrate the plastic with a heavy ion (Fe) beam that has energy of 1 GeV/nucleon. Plastic deployed in 2009 was removed in Jan & Feb for test etching in Bologna and calibration at the NSRL in BNL which will take place in April

The Very High Charge Catcher The Very High Charge Catcher (VHCC) is designed to increase the acceptance for very highly ionizing particles (eg g > 1) The VHCC is comprised of flexible, thin bendable, light, plastic stacks Each VHCC stack consists of 3 Makrofol sheets (100  m thick) encased in a Al- foil (25  m thick) envelope to inhibit fire – each stack is 0.65% RL Normal size of each stack will be 50 x 50 cm 2. The VHCC stacks can be placed in areas that were previously inaccessible or unsuitable for TDR detector stacks The VHCC stack 14

Planned VHCC Deployment The VHCC roughly doubles the acceptance for very highly ionizing particles. 15

Simulating Track Formation in Plastic Nuclear Track Detectors A Project has been initiated with the GEANT4 group to provide the framework for the simulation of damage track formation in Nuclear Track Detectors 16

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MoEDAL Coverage (With the VHCC) MoEDAL acceptance for electric (left) and magnetic (right) charges, assuming a Drell-Yan pair production with 14 TeV pp collisions (From Ref. arXiv: V2 [hep-ph] ). ✔✔ ✔✔✔ 18

MoEDAL Sensitivity Compared to Other LHC Experiments Cross-section limits for magnetic (LEFT) and electric charge (RIGHT) (from the authors of arXiv: V2 [hep-ph]) assuming: – Only one MoEDAL event is required for discovery and 100 events in the other (active) LHC detectors 19

The MoEDAL Timescale First detectors ( 10 sqm of plastic) deployed in Nov. 2009) We deployed a larger area of plastic (~80 m 2 ) in Jan A NTD stack installed in 2009 was removed at this time for test etching and for calibration at NSRL VHCC detector concept introduced to improve acceptance for very highly ionizing particles (ng ≥ 1 (Dec. 2011) Test deployment of TimePix detectors in Feb Another NTD stack installed in 2009 was removed at this time for test etching and for calibration at NSRL Full deployment ( ~250 sqm = 10 x 25 sqm) is planned for the year long shutdown starting in 2012/2013. All the test deployment stacks will be removed at this time and analyzed, first results - for 7-8 TeV - running in In 2014 expect to have our first “official” run to be continued until we reach a ΣL of ≥ ~10fb -1 at 14 TeV. 20