THEME02-7-1017-96/2009

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02-7-1017-96/2009

Priority:

Status:

Extended

Proposal of a Real-Time Detector for Low-Energy Solar Neutrino
(Project BOREXINO)

Leader:

O.A. Zaimidoroga

Scientific Programme:
Direct solar neutrino flux measurements, precise Be-7 neutrino flux measurements.
Spectral measurements of solar high-energy neutrinos from 8 ^B on the Sun.
Study of neutrino elastic scattering on the electron with an artificial neutrino source of high intensity.
Search for solar neutrino vacuum oscillations.
Expected rate: 60 events/day (11 ev/d-background).

Expected main results in 2007:

Monitoring of the quality and stability of purification of the scintillator before filling the detector.
Filling of the inner nylon vessel with deionized water by using a plant of water production, control of its parameters and quality.
Control and permanent monitoring of radioimpurity of sample of scintillator's liquid in the CTF detector.
Filling of the buffer volume with pseudocumene and control of the radon diffusion inside the detector.
Start-up of data taking by means of the detector filled with water and preparation for scintillator filling.
Preparation data processing system and backup.
Modeling of upgrade of CTF aiming to increase energetical and spatial resolution based on high quantum efficiency increase, proposed by Dubna group.
Realization the proposal of Dubna to use laser effect for events detection.

List of projects:
	Project	Leader	Priority (period of realisation)
1.	BOREXINO	O.A. Zaimidoroga	2 (1996-2009)

List of Activities

Activity or Experiment

Leader

Status

Detector BOREXINO
Underground Gran Sasso Laboratory

O.A. Zaimidoroga

Preparation

Collaboration
Country or international organization	City	Institute or Laboratory
Belgium	Geel	IRMM
Czech Republic	Prague	CU
France	Paris	PCC-CF
Germany	Heidelberg	MPI-K
	Munich	MPI-P
Hungary	Budapest	KFKI RMKI
Italy	Genoa	INFN
	Milan	INFN
	Pavia	INFN
	Perugia	INFN
Russia	Moscow	RRC KI
	Gatchina	PNPI RAS
USA	Cambridge, MA	MIT
	Madison, WI	UW-Madison
	Princeton, NJ	PU

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Proposal of a Real-Time Detector for Low-Energy Solar Neutrino (Project BOREXINO)

Proposal of a Real-Time Detector for Low-Energy Solar Neutrino
(Project BOREXINO)