Summary of the workshop on Future Low-Energy Neutrino Experiments TUM, Munich, October 9-11, 2003 Thierry Lasserre CEA/Saclay, CERN, 20/11/2003.

Slides:

Advertisements

Similar presentations

Overview for an European Strategy for neutrino Physics Yves Déclais CNRS/IN2P3/UCBL IPN Lyon Measuring the neutrino mixing matrix Reactor experiments NUMI.

Advertisements

Pablo DEL AMO SANCHEZ Henri PESSARD 18/12/2012

Controlling Systematics in a Future Reactor  13 Experiment Jonathan Link Columbia University Workshop on Future Low-Energy Neutrino Experiments April.

Heeger theta13, May A Neutrino Project at Diablo Canyon.

Stokstad, Heeger NSD, May 1, 2003 Reactor Neutrino Measurement of  13 Measuring the Last Undetermined Neutrino Mixing Angle  13 Searching for Subdominant.

6/6/2003Jonathan Link, Columbia U. NuFact03 Future Measurement of sin 2 2  13 at Nuclear Reactors Jonathan Link Columbia University June 6, 2003 ′03.

Summary of Nufact-03 Alain Blondel NuFact 03 5th International Workshop on Neutrino Factories & Superbeams Columbia University, New York 5-11 June 2003.

15 March 2004Cal Poly Meeting Status of Midwest  13 Effort Status of Braidwood site General strategy and layout of experiment Civil construction estimate.

1 The International Reactor  13 Working Group. 2 Or Three Meetings and a White Paper April 2003 University of Alabama October 2003 Munich TUM (Technische.

Daya Bay Reactor Neutrino Experiment

Summary of Nufact-03 Alain Blondel NuFact 03 5th International Workshop on Neutrino Factories & Superbeams Columbia University, New York 5-11 June 2003.

Christian Buck, MPIK Heidelberg LAUNCH 09 November, 11th 2009 The Double Chooz reactor neutrino experiment.

12 December 2003APS Neutrino StudyE. Blucher APS Neutrino Study: Reactor Working Group What can we learn from reactor experiments? Future reactor experiments.

The Double-Chooz project of experiment for the last undetermined mixing angle  13 Thierry Lasserre (Saclay & APC) & H. de Kerret (APC) 09/02/04, Paris.

Gd Liquid scintillator: completion of the R&D! Stability 0,1 % Gd in PXE LENS R&D  new metal β-diketone molecule (MPIK) Stable: 0.1% Gd-Acac (few months)

Measuring  13 with Reactors Stuart Freedman University of California at Berkeley SLAC Seminar September 29, 2003.

1 The Daya Bay Reactor Electron Anti-neutrino Oscillation Experiment Jianglai Liu (for the Daya Bay Collaboration) California Institute of Technology APS.

Jun Cao Institute of High Energy Physics, Beijing Daya Bay Neutrino Experiment 3rd International Conference on Flavor Physics, Oct. 3-8, 2005 National.

Daya Bay Reactor Neutrino Experiment Jun Cao On behalf of the Daya Bay Collaboration Institute of High Energy Physics XIII International.

Reactor Neutrino Experiments Jun Cao Institute of High Energy Physics Lepton-Photon 2007, Daegu, Aug , 2007.

Caren Hagner CSTS Saclay Present And Near Future of θ 13 & CPV in Neutrino Experiments Caren Hagner Universität Hamburg Neutrino Mixing and.

Eun-Ju Jeon Sejong Univ. Sept. 09, 2010 Status of RENO Experiment Neutrino Oscillation Workshop (NOW 2010) September 4-11, 2010, Otranto, Lecce, Italy.

Double Chooz ＡＲｅａｃｔｏｒ θ 13 Ｅｘｐｅｒｉｍｅｎｔ M.Motoki Tohoku Univ. On behalf of the Double Chooz Collaboration Reactor θ １３ measurementReactor θ １３ measurement.

KamLAND : Studying Neutrinos from Reactor Atsuto Suzuki KamLAND Collaboration KEK : High Energy Accelerator Research Organization.

Using Reactor Neutrinos to Study Neutrino Oscillations Jonathan Link Columbia University Heavy Quarks and Leptons 2004 Heavy Quarks and Leptons 2004 June.

Using Reactor Anti-Neutrinos to Measure sin 2 2θ 13 Jonathan Link Columbia University Fermilab Long Range Planning Committee, Neutrino Session November.

1 Antineutrino Detector of Dayabay Reactor Neutrino Experiment Yuekun Heng, IHEP, Beijing On Behalf of the DayaBay Collaboration.

Karsten M. Heeger US Reactor  13 Meeting, March 15, 2004 Comparison of Reactor Sites and  13 Experiments Karsten Heeger LBNL.

νeνe νeνe νeνe νeνe νeνe νeνe Distance (L/E) Probability ν e 1.0 ~1800 meters 3 MeV) Reactor Oscillation Experiment Basics Unoscillated flux observed.

Karsten Heeger, Univ. of WisconsinDNP2006, Nashville, October 28, 2006 A High-Precision Measurement of sin 2 2  13 with the Daya Bay Reactor Antineutrino.

Kr2Det: TWO - DETECTOR REACTOR NEUTRINO OSCILLATION EXPERIMENT AT KRASNOYARSK UNDERGROUND SITE L. Mikaelyan for KURCHATOV INSTITUTE NEUTRINO GROUP.

FJPPL Suekane1 Nu_2-WP2: R&D of detectors for future high statistics, high precision experiment (R&D for reactor anti-neutrino experiments) F.Suekane,

Efforts in Russia V. Sinev Kurchatov Institute. Plan of talk Rovno experiments at th On the determination of the reactor fuel isotopic content by.

L. Oberauer, Paris, June 2004   Measurements at Reactors Neutrino 2004 CdF, Paris, June chasing the missing mixing angle.

The Daya Bay Reactor Neutrino Experiment Jonathan Link Virginia Polytechnic Institute & State University on behalf of the Daya Bay Collaboration Neutrino.

Karsten Heeger, LBNL TAUP03, September 7, 2003 Reactor Neutrino Measurement of  13 Karsten M. Heeger Lawrence Berkeley National Laboratory.

Double-Chooz A search for  13 Guillaume MENTION (PCC-Collège de France/APC) On behalf of the Double-Chooz collaboration NOW 2004 Conca Specchiulla, Italy.

Results for the Neutrino Mixing Angle  13 from RENO International School of Nuclear Physics, 35 th Course Neutrino Physics: Present and Future, Erice/Sicily,

Karsten Heeger, LBNL NDM03, June 11, 2003 Future Reactor Neutrino Experiments Novel Neutrino Oscillation Experiments for Measuring the Last Undetermined.

Past Reactor Experiments (Some Lessons From History)

Results from RENO Soo-Bong Kim (KNRC, Seoul National University) “17 th Lomosonov Conference on Elementary Particle Physics” Moscow. Russia, Aug ,

The Daya Bay Reactor Neutrino Experiment R. D. McKeown Caltech On Behalf of the Daya Bay Collaboration CIPANP 2009.

Search for  13 at Daya Bay On behalf of the Daya Bay Collaboration Deb Mohapatra Virginia Tech.

Measuring sin 2 2  13 with the Daya Bay nuclear power reactors Yifang Wang for Daya Bay collaboration Institute of High Energy Physics.

Chasing  13 with new experiments at nuclear reactors Thierry Lasserre Saclay NuFact04, Osaka July

Karsten Heeger Beijing, January 18, 2003 Design Considerations for a  13 Reactor Neutrino Experiment with Multiple Detectors Karsten M. Heeger Lawrence.

Double Chooz Near Detector Guillaume MENTION CEA Saclay, DAPNIA/SPP Workshop AAP 2007 Friday, December 14 th, 2007

Karsten Heeger, LBNL INPAC, October 3, 2003 Reactor Neutrino Oscillation Experiments Karsten M. Heeger Lawrence Berkeley National Laboratory.

Summary of the Reactor/  13 Meeting At College de France, Paris April 22-23, 2003 Thierry Lasserre On Behalf the reactor/  13 “european” working group.

Jun Cao Jan. 18, 2004 Daya Bay neutrino experiment workshop (Beijing) Detector Module Simulation and Baseline Optimization ● Determine module geometric.

Daya Bay Reactor Neutrino Experiment On behalf of the DayaBay collaboration Virginia Polytechnic Institute and State University Joseph ykHor YuenKeung,

Measuring  13 with Reactors Stuart Freedman HEPAP July 24, 2003 Bethesda Reactor Detector 1Detector 2 d2d2 d1d1.

6 January 2004EFI Faculty Lunch Future Neutrino Oscillation Experiments Neutrino oscillations, CP violation, and importance of  13 Accelerator vs. reactor.

Θ 13 and CP-Violation in the Lepton Sector SEESAW25 Institut Henri Poincaré, Paris Caren Hagner Universität Hamburg SEESAW25 Institut Henri Poincaré, Paris.

Double-CH  13  13 Z H. De Kerret (APC) On behalf the Double-Chooz proto-collaboration June

  Measurement with Double Chooz IDM chasing the missing mixing angle e  x.

Recent Results from RENO NUFACT2014 August. 25 to 30, 2014, Glasgow, Scotland, U.K. Hyunkwan Seo on behalf of the RENO Collaboration Seoul National University.

Double Chooz Optimizing Chooz for a possible Theta 13 measurement Steven Dazeley (Louisiana State University) NuFact05 Rome.

NWG Presentation Heeger, Freedman, Kadel, Luk LBNL, April 11, 2003 Reactor Neutrino Measurement of  13 Searching for Subdominant Oscillations in e  ,

Results on  13 Neutrino Oscillations from Reactor Experiments Soo-Bong Kim (KNRC, Seoul National University) “INPC 2013, Firenze, June 2-7, 2013”

Status and Prospects of Reactor Neutrino Experiments Soo-Bong Kim (KNRC, Seoul National University) “NuPhys 2014: Prospects in Neutrino Physics, London,

Double Chooz Experiment Status Jelena Maricic, Drexel University (for the Double Chooz Collaboration) September, 27 th, SNAC11.

The Double Chooz reactor neutrino experiment

NEUTRINO OSCILLATION MEASUREMENTS WITH REACTORS

The Daya Bay Reactor Neutrino Experiment

Donato Nicolo` Pisa University & INFN,Pisa

The Braidwood Reactor Neutrino Experiment

The Daya Bay Reactor Neutrino Experiment

Daya Bay Neutrino Experiment

Daya Bay Neutrino Experiment

Presentation transcript:

Summary of the workshop on Future Low-Energy Neutrino Experiments TUM, Munich, October 9-11, 2003 Thierry Lasserre CEA/Saclay, CERN, 20/11/2003

One nuclear plant & two detectors Nuclear reactor 1,2 core(s)  ON/OFF : ok  4 cores  ON/OFF : no ! Near detector 5-50 tons > 50 mwe Far detector 5-50 tons > 300 mwe D 1 = km D 2 = 1-3 km e e, ,  Isotrope e flux (uranium & plutonium fission fragments) Detection tag : e + p  e + + n, ~ 4 MeV, Threshold ~1.8 MeV Disappearance experiment: suppression+shape distortion between the 2 detectors 2 IDENTICAL detectors (CHOOZ, KamLAND, BOREXINO/CTF type) Minimise the uncertainties on reactor flux & spectrum (2 % in CHOOZ) Cancel cross section uncertainties Challenge: relative normalisation between the two detectors < 1% !

Groups involved in discussions France : PCC, Collège de France & APC (Chooz, LENS, Borexino) CEA/Saclay (LENS) Germany : MPI fuer Kernphysik, Heidelberg (Borexino, LENS  Gd scintillator) TUM, Munich (Borexino) Tubingen University (Borexino) US : Columbia University Argonne National Laboratory Berkeley Laboratory The University of Chicago The University of Alabama Caltech Stanford University etc … Italy : INFN Bologna Japan : Tokyo Metropolitan University Tohoku University Russia : Kurchatov Institute sorry for the groups I have omitted …

Session I: Motivation & Phenomenology 09:40M. Lindner, TUM, "Theoretical reasons / motivation for sin^2(2theta_13) of the order 0.01" (15'+5') 10:00 M. Tanimoto, Niigata University, "Theoretical considerations & prediction of sin^2(2theta_13) in Texture Zeros" (15'+5') 10:20V. Sinev, Kurchatov Institute, "Searches for theta13 and sterile neutrinos at reactors" (20'+5') 11:15S. Choubey, SISSA, Trieste, "Future measurements of theta12 with reactors" (25'+5') 11:45W. Winter, TUM, "Comparison and synergy of reactor measurements with beam experiments" (30'+5') 14:00 C. Hagner, Virginia Polytechnic Inst. and State Univ., "Review of accelerator neutrinos experiments potentials for theta13" (30'+5') Session II: Experimental sites 14:35F. Suekane, Tohoku University, "Situation in Japan" (45') 15:20J. Link, Columbia University, "Situation in US-I: US east/midwest efforts, status, and comments" (30') 15:50K. Heeger, LBL, Berkeley, "Situation in US-II: The Diablo Canyon site" (45') 17:05T. Lasserre, Saclay, "Situation in France" (45') 17:50D. Reyna, ANL, "Situation in Taiwan" (15') 18:05D. Reyna, ANL, "Situation in Brazil" (25') 18:30Yu. Kozlov, Kurchatov, "Comments on the situation in Russia" (10')

Session III: Systematic errors & Backgrounds 09:30 T. Schwetz, TUM, "Principal issues of the reactor setup (statistics, near/far detector distance scaling, systematics)" (25'+5') 10:00 H. de Kerret, PCC College de France & APC, "Systematic errors and backgrounds for a Double-CHOOZ experiment" (40'+5') 11:15G. Mention, PCC & APC, "Systematic errors & sensitivity to sin2(2theta13)" (25'+5') 11:45O. Yasuda, Tokyo Metropolitan Univ., "Sensitivity of experiments with multi reactors and multi detectors" (25'+5') 12:15 V. Sinev, Kurchatov Institute, Moscow, "Comment on time dependent corrections to the ILL reconstructed spectra" (10'+5') 12:30G. Horton-Smith, Caltech, "Quashing Backgrounds" (25'+5') 09:30H. Minakata, Tokyo Metropolitan Univ., "Comments on reactor-LBL complementarity" 09:40M. Goodman, ANL, "Status of the White Paper" 10:00Discussion Session IV: Experimental issues 14:30J. Link, Columbia, "On cost/benefit analyses for spherical vs. cylindrical detectors and other issues" (25'+5') 15:00C. Laughton, Fermilab, "Construction issues, tunnelling" (25'+5') 15:30 L. Inzhechik, Kurchatov Institute, Moscow, "The Russian technologies of isotopes production for neutrino experiment: 1.Stable isotopes for neutrino detectors. 2. Artificial isotope neutrino sources for calibration." (20'+5') 15:55F. Hartmann, MPI f. Kernphysik, Heidelberg, "Low-Level Scintillators and Gadolinium" (25'+5') 16:25 C. Buck, MPI f. Kernphysik, Heidelberg, "Metal Diketones Gadolinium scintillator" (15'+5') Session V: Discussion of specific proposals (site+detector+funding) + Publications

Detector size scale Borexino 300 t KamLAND 1000 t Reactor/  13 Example ~20 t ( 5  50 t) CHOOZ 5 t Double CHOOZ t ! X 2

90% C.L. sensitivity if sin 2 (2  13 )=0 Reactor 1 (0.5 km, 2.3 km): ~13 tons PXE x 10 GW x 3 years  sin 2 (2  13 )<~0.02, 90% C.L Reactor 2 (0.5 km, 2.3 km): ~270 tons PXE x 10 GW x 3 years  sin 2 (2  13 )<~0.01, 90% C.L JHF Huber, Lindner, Schwetz & Winter: hep-ph/ G. Men tion & T. L. σ bkg reactor 1 (2 RNU)reactor 2 (40 RNU) 1%  m 2 = eV 2 RNU = Reactor Neutrino Unit : 1 RNU = free H GW th year

Forthcoming LBL & sin 2 (2  13 ) Huber, Lindner, Schwetz & Winter (Theory group, TUM) CHOOZ-I 90% C.L

Huber, Lindner, Schwetz & Winter, (Theory Group, TUM) Next generation LBL & sin 2 (2  13 ) CHOOZ-I 90% C.L

Which site for the experiment ? Diablo Canyon Byron Angra Penly Chooz Cruas Krasnoyarsk Taiwan Kashiwasaki One reactor complex Two underground km & ~1-2 km

Which site for the experiment … Diablo Canyon CHOOZ Kashiwasaki

The Diablo Canyon site (US) mwe  Close to San Francisco (500 km), California. Leader Group: LBNL  Two cores (2 x 3.1 GW th )  3 detectors : D 1 ~300m, D 2 ~ 0.8 – 1 km, D 3 ~ 2 – 3 km  Horizontal tunnel >1.5 km with 300  800 mwe overburden  Status: negotiation with the power plant underway (permit, safety, ecology …) Partial approval from PG&E to proceed with geological studies  Tunnel + labs + 2 movable detectors ( tons) to be constructed simultaneously  Data taking  end 2007 ? Cost ~ 50 M$  sin 2 (2  13 C.L

The Kashiwasaki site (Japan) Kashiwasaki power plant: 24.3 GW th 7 cores  2 near detectors needed ! Leading group: Tohoku Univ. (Suekane_san & Inoue_san)

The Kashiwasaki site (Japan)  Kashiwasaki power plant : 24.3 GW th  7 cores  2 near detectors needed !  D 1 ~ m, D 2 = 1.3 km  3 identical detector of ~8 tons  3 shafts (12 M$, 15 months)  Near mwe  Far mwe  Data taking ~ – Cost <20 M$ Scheme of one shaft Sensitivity (3 years): sin 2 (2  13 C.L

The Chooz site, Ardennes, France … Double-CH  13  13 Z …

The Chooz site Near site: D~ m, overburden mwe Far site: D~1.1 km, overburden 300 mwe [former experimental hall] TypePWR Cores2 Power8.4 GW th Couplage1996/1997 (%, in to 2000) 66, 57 ConstructeurFramatome OpérateurEDF 2x11.5 tons, D1= m, D2=1050m. Sensitivity: 3 years  sin 2 (2  13 ) < ~0.03

CHOOZ-Far… ready to be used again!

CHOOZ-Far detector (12.7m 3 fiducial, preliminary) 7 m 3.5 m CHOOZ-I pit

CHOOZ-Near 250 m 125 m A few locations under study, but enough space in any case

CHOOZ-Near new Laboratory ~5- 15 m Dense material ~10-15 m Other possibility: bloc of concrete (d~2.4) piled up !

Status of the discussions with EDF CHOOZ site has been secured. -Strong support for the CHOOZ nuclear plant Far site: 1.1 km & 300 mwe -Existing laboratory -Available (7x7 m tank of CHOOZ-I) Near site: m -Underground detector + man-made overburden -Feasibility confirmed by the power plant staff -50 to 80 mwe required -Civil engineering study will start soon (done & financed by EDF )

The experimental challenge systematicsError typeCHOOZFuture Sim. MC 2 identical detector Low backgrounds Reactor Cross section1.9%0 Thermal power0.7%O(0.1%) E/Fission0.6%0  2.1% O(0.1%) Detector Scint. Density0.3% O(0.1%) Target volume0.3% O(0.1%) % H1.2% O(0.1%) « Spill in/out » effect1.0% XO(0.1%)  2.5%<2.5%O(0.1%) Sélection cuts Ee+<8 Mev 6<En (MeV)<12 de+-n < 100 cm 2<capture n<100  s n multiplicité =1 (  tot >70%) Ee+ threshold0.8%00 n capture1.0%<1.0%XO(0.1%) En0.4%  0.4%O(0.1%) – calibration Distance (e+-n)0.3%0. 0  t (e+-n)0.4%<0.4%XO(0.1%) n multiplicité0.5%O(0.1%)  1.5%<1.1% O(0.1%) ? Relative error between Near/Far detector < 0.8% seems possible [still under study]

Sensitivity to sin 2 (2  13 ) #DNear 0.1 km #NumberOfFreeProtonsNear e+29 (11.5 tons PXE) #DFar 1.05 km #NumberOfFreeProtonsFar e+29 (11.5 tons PXE) #Global normalisation Fit is [ON ] with an error of 2% #Relative normalisation Fit of Near/Far Detector is [ON ] with an error of 0.06% #Shape Error Fit is [ON ] with an error of 2% σ bkg : [near] = 1%[far] = 0.5% σ bkg : [near] = 1%[far] = 1% σ bkg : [near] = 2%[far] = 1% years (pure PXE) 3.0(PXE/PC + mineral  m 2 atm = eV 2 sin 2 (2  13 C.L

Support for the EDF power company to do a 2 nd Reactor sin 2 (2  13 )<~0.03, 90% C.L. (  m 2 = eV 2 ) Current limint: CHOOZ : sin 2 (2  13 )<0.2  discovery potential ! Technology / design well known (Chooz-I, Borexino, KamLAND, …)  few R&D needed : Gd loading (stability) + material compatibility  R&D in Saclay : material compatibility + mechanical constraint + scint. test Case under study: French target vessels & German scintillator (MPIK) Experiment cost, Double-CHOOZ case: 2 x ~15 tons, cost detectors <~10 Meuros. (+ Civil engineering) Our Construction starts in 2005 (+ civil engineering ) Start data taking in Summary & SiteData takingProp.Construction ? year design < sin 2 (2  13 ) < ~0.04 < sin 2 (2  13 ) < Construction ?