Документ взят из кэша поисковой машины. Адрес оригинального документа : http://rtm-cs.sinp.msu.ru/docs/borexino/summary_bx_numbers.pdf Дата изменения: Thu Jan 24 13:54:13 2008 Дата индексирования: Mon Oct 1 21:16:10 2012 Кодировка:

DATA VALIDATION COMMITTEE
PHYSICS DEPARTMENT, JADWIN HALL 226 SEPTEMBER 3, 2007

SUMMARY of BX QUOTABLE NUMBERS



SOURCE
Livetime Fiducial Exposure 47.4 days

NUMBER

COMMENT

4136 day·ton 3058 day·ton for fit without subtraction 314.8 m3 278.3 ton 500 phoeoelectrons/MeV

210

Po

Scintillator Mass and Volume Light Yield Resolution on Position Reconstruction Be neutrinos experimental
7

from spectral fit normalized to 2000 PMTs

13±2 cm in x,y at 214BiPo energy 14±2 cm in z at 214BiPo energy 41±6 cm at 140 keV 47±7
stat

±12

syst

counts/(day·100 ton)

from spectral fit yearly average for no oscillations scenario yearly average for LMA parameters from rate of 214Bi-214Po coincidences in fiducial volume

Be neutrinos expected rate
7

75±4 counts/(day·100 ton) 49±4 counts/(day·100 ton)

238 226

U Ra,

222

Rn

<2 decays/(day·100 ton) <2в10-17 g(U)/g <0.3 decays/(day·100 ton) <1в10-17 g(Th)/g <6 counts/(day·100 ton) <3в10-14 g(natK)/g <3в10-18 g(40K)/g (2.7±0.6 22±7
stat syst

232

Th

40

K

from spectral fit

14 85

C/C Kr

)в10

-18

from spectral fit from spectral fit from rate of 85Kr-85mRb coincidences in whole vessel

±5syst counts/(day·100 ton)

<35 counts/(day·100 ton) [90% C.L.]


SOURCE
Bi + CNO neutrinos
210 210

NUMBER
15±4
stat

COMMENT
from spectral fit

±5syst counts/(day·100 ton)

Po

6000 counts/(day·100 ton) <1%

from spectral fit from analysis of Outer Detector

Outer Detector Innefficiency in Muon Tagging Global Inefficiency in Muon Tagging

<10

-4

from combined analysis of Outer and Inner detectors