THEME03-2-1100-2010/2012

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03-2-1100-2010/2012

Priority:

Status:

New

Non-Accelerator Neutrino Physics and Astrophysics

Leaders:

V.B. Brudanin
A. Kovalik

Participating Countries, Institutes and International organizations:
Armenia, Belarus, Belgium, Bulgaria, Czech Republic, Finland, France, Germany, Kazakhstan, Mongolia, Poland, Romania, Russia, Slovak Republic, Ukraine, USA, Uzbekistan.

Scientific Programme:
(Re)search for double-neutrino and neutrinoless modes of double beta-decay, an indication of the Majorana neutrino nature, absolute neutrino mass scale and hierarchies. Search for the neutrino magnetic moment and dark matter. Investigation of galactic and extragalactic neutrino sources, diffusive neutrino cosmic background, search for exotic particles (monopoles). Study of dd and pd reactions at ultra low energy by means of plasma accelerators and different targets; development of diagnostics methods for the dynamics of dense plasma flux formation. Spectroscopy of nuclei far from stability. Development of new methods for charged and neutral particle detection.

Expected main results in 2010:

Data taking in the 2-decay measurements of ¹⁵⁰Nd, ¹¹⁶Cd, ¹⁰⁶Cd, ¹⁰⁰Mo, ⁹⁶Zr, ⁸²Se, ⁴⁸Ca with the NEMO and TGV spectrometers.
Processing of experimental data and determination of T_1/2(22) for ⁹⁶Zr and ¹⁵⁰Nd.
Data taking with the GEMMA-1 spectrometer at the Kalinin Nuclear Power Plant; getting an upper limit for the neutrino magnetic moment at the level of ~ 3 · 10 ^-11 µ _B.
Low-background physics run with the setup consisting of 28 HPGe bolometers with the total weight of about 10 kg will be continued. At this stage of EDELWEISS-II the aim is to reach a sensitivity to WIMP nucleon cross-section of 5 · 10 ^-7 pb for a WIMP mass of 100 GeV.
Research and development of the semiconductor-based detecting systems for the GERDA and MAJORANA experiments. Creation of the muon-veto systems for these spectrometers. Beginning of data taking in the experiment on the search for the ⁷⁶Ge 2 0-decay.
Mounting of the NT1000 prototype string. Data taking and extraction of physical results with the NT200+ spectrometer.
Investigation of the astrophysical S-factor and effective dd cross section in the 2-7 keV impact energy for the D₂ O target.
Investigation of KLL and KMM Auger electrons in ⁶⁵Zn, ⁶⁷Cu, ⁶⁷Ga and ^152,154,155Eu decays.
Measurement of the neutrino helicity in ⁵⁶Co decays with the Compton polarimeter.
Design and creation of the low-threshold (~ 200 eV) HPGe detector. Production of low-background plastic scintillators for the Super NEMO experiment.

List of projects:
	Project	Leader	Priority (period of realisation)
1.	NEMO	O.I. Kochetov	1 (2010-2012)
2.	GEMMA-II	V.B. Brudanin	1 (2010-2012)
3.	EDELWEISS-II	E.A. Yakushev	1 (2010-2012)
4.	G&M (GERDA)	A.A. Smolnikov	1 (2010-2012)
5.	BAIKAL	L.A. Belolaptikov	1 (2009-2012)
6.	LESI	V.M. Bystritsky	1 (2010-2012)

List of Activities

Activity or Experiment

Leader

Laboratory

Responsible
person

Leading Researchers
and number of participants

NEMO

O.I. Kochetov

Data taking

DLNP

O.I. Kochetov + 4 pers.
V.E. Kovalenko
V.V. Timkin
V.I. Tretyak

BLTP

F. Simkovic + 2 pers.

TGV

N.I. Rukhadze
I. Shtekl

Data taking

DLNP

V.G. Sandukovsky + 2 pers.
N.I. Rukhadze + 2 pers.
I. Shtekl + 2 pers.

BLTP

F. Simkovic + 2 pers.

G&M (GERDA-MAJORANA)

A.A. Smolnikov

Preparation

DLNP

A.A. Smolnikov + 5 pers.
V.G. Sandukovsky + 2 pers.
V.B. Brudanin + 5 pers.

BLTP

F. Simkovic

GEMMA-II

V.B. Brudanin

Preparation
Data taking

DLNP

V.B. Brudanin
V.G. Egorov + 4 pers.

FLNR

E.A. Sokol

EDELWEISS-II

E.A. Yakushev

Data taking

DLNP

E.A. Yakushev + 6 pers.

LESI

V.M. Bystritsky

Preparation
Data taking

DLNP

V.M. Bystritsky + 3 pers.

FLNP

A.P. Kobzev + 2 pers.
S.S. Parzhitsky + 2 pers.

VBLHEP

N.I. Zamyatin + 4 pers.
M.G. Sapozhnikov + 5 pers.

BLTP

S.I. Vinitsky + 2 pers.
V.B. Belyaev

BAIKAL

I.A. Belolaptikov

Preparation
Data taking

DLNP

I.A. Belolaptikov + 7 pers.

Collaboration
Country or International Organization	City	Institute or Laboratory
Armenia	Yerevan	YSU
Belarus	Minsk	NC PHEP BSU
Belgium	Leuven	K.U.Leuven
Bulgaria	Sofia	INRNE BAS
	Plovdiv	PU
Czech Republic	Prague	CTU
	Rez	NRI
Finland	Jyvaskyla	UJ
France	Orsay	CSNSM
		LAL
Germany	Heidelberg	MPI-K
	Mainz	JGU
Kazakhstan	Almaty	INP NNC RK
Mongolia	Ulaanbaatar	NEA
		NRC NUM
Poland	Cracow	NINP PAS
		AGH
	Lublin	MCSU
	Warsaw	SINS
Romania	Bucharest	IFIN - HH
		UB
Russia	Gatchina	PNPI RAS
	Voronezh	VSU
	Moscow	RRC KI
		VNIINM
		MEPhI
		LPI RAS
		ITEP
		SINP MSU
		INTRA
		RADON
	Troitsk	INR RAS
	St. Petersburg	SPbSU
		IPTI RAS
	Sarov	VNIIEF
	Tomsk	NPI TPU
		IHCE SB RAS
Slovak Republic	Bratislava	CU
		IP SAS
Ukraine	Kiev	INR NASU
	Kharkov	ISC NASU
USA	Irvine, CA	UCI
Uzbekistan	Tashkent	INP UAS
		IAP NUU
	Samarkand	SSU

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