Status of INO Experiment
Brief history of atmospheric neutrino experiments leading to the creation of India Based Neutrino Observatory for further particle and astroparticle physics research. The facility aims to probe neutrino properties using underground laboratory and complementary efforts worldwide, with ICAL capability for addressing questions on neutrino mass ordering, supporting other experiments, and foreseeing Neutrino-less Double Beta Decay and Dark Matter Search experiment.
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Status of INO Experiment Prafulla K. Behera Department of Physics, IIT Madras, (on behalf of INO Collaboration) @International Workshop on Next generation Nucleon Decay and Neutrino Detector, Paris, France 4thNovember 2014 1
Outline Introduction Status of Experiment Detector Magnet Trigger Electronics Simulation Laboratory site development Conclusions 2 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
Brief History Atmospheric neutrino experiments study neutrinos produced by cosmic ray interactions in the atmosphere. First observed at Kolar Gold Fields (KGF), India and East Rand Proprietary Mine, South Africa in 1964. During 1980s, massive underground detectors to search for proton decay studied atmospheric neutrinos as the major source of background. In 1988, Kamiokande Experiment observed the deficit of atmospheric muon neutrinos compared to Monte Carlo prediction. Similar results were reported by the IMB experiment followed by Soudan-2 & MACRO. In mid 1990s , Kamiokande data showed that the deficit of - like events depended on zenith angle. In 1998, Super-K-experiment concluded that atmospheric neutrino data gave evidence for neutrino oscillation. Atmospheric neutrino experiments have been contributing substantially in our understanding of neutrino masses and mixing angles. 3 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
India Based Neutrino Observatory Create experimental Facility to carry out experiments in the field of particle and astroparticle physics. Underground laboratory with ~1km around rock cover access through 2km long tunnel. Probe neutrino properties using atmospheric neutrinos and complementary to ongoing effort worldwide. ICAL with charge identification ability, will be able to address question about neutrino mass ordering. Created facility will support other experiments. Neutrino-less Double Beta Decay and Dark Matter Search experiment foreseen in the near future. 4 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
First atmospheric neutrino was reported from Kolar Gold Field, India. Physics Letters 18, (1965) 196, dated 15th Aug 1965 long tradition of carrying out experiments deep underground. ~30 muon /year/m2/sr at KGF, increased by a factor of ~100 at INO Detection of atmospheric neutrino at Kolar Gold Field in 1965 5 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
INO Collaboration Ahmedabad: Physical Research Laboratory Aligarh: Aligarh Muslim University Allahabad: HRI Bhubaneswar: IoP, Utkal University Calicut: University of Calicut Chandigarh: Panjab University Chennai: IIT-Madras, IMSc Delhi: University of Delhi Kalpakkam: IGCAR Kolkata: SINP, VECC, University of Calcutta Lucknow: Lucknow University Madurai: American College Mumbai: BARC, IIT-Bombay, TIFR,CMEMS Mysore: University of Mysore Srinagar: University of Kashmir Varanasi: Banaras Hindu University Nearly 100 scientists from 23 research institutes & universities all over India. One of the largest basic science projects in India in terms of man power. 6 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
INO site : Bodi West Hills ~115 km from temple town Madurai 90 58 N, 770 16 E, Pottipuram Village, Theni District Tamil Nadu State Warm, low rainfall area, low humidity throughout the year 7 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
INO site: Bodi West Hills INO Facilities at Pottipuram http://www.ino.tifr.res.in/ino/gallery/Schematic%20view%20of%20the%20INO%20detector.JPG 8 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
INO-ICAL detector Strip width: 3 cm Timing resolution: ~1ns Position resolution: 5 mm R134a(C2H2F4):Isobutane(C4H10):Sulphur Hexaflouide(SF6)::95.5:4.3:0.2 9 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
INO-ICAL Detector 10 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
Industrial Fabrication of RPC gap 11 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
Magnet Design 12 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
ICAL Trigger Scheme 13 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
Electronics System for ICAL 14 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
Detector Simulation and Event Reconstruction 15 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
Detector Simulation E E = 16 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
Physics with ICAL Room to improve: reconstruction software and improved in analysis method. 17 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
Neutrino Mass Matrix 18 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
IICHEP at Madurai Plan to build and commission mini ICAL (20 X 8 X 8) at IICHEP within 2.5 years Nodal center for all INO related activities Responsoible for running all activities at the INO underground lab. Will be involved in detector R & D for future project 19 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
Activities @ Bodi Hills 20 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
Activities @ Activities @ Bodi Bodi Hills Hills 21 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
Current Status Pre-project activities started with an initial grant of ~ $10 M Site infrastructure development and Tunnel, cavern (3 4 years) Development of INO centre at Madurai (moving fast) Construction of an engineering prototype module (2.5 years) ICAL Detector ( one module per year) Detector R & D is now complete. DPR for Detector and DAQ system is ready White paper on Physics is ready Industrial production of RPC will start soon 22 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
23 Dr. Prafulla Kumar Behera, IIT Madras 4th November 2014
