Physics goals

μ

μ

43°

Reconstruction of μ trajectory (~ ) from time and position of PMT hits

μ

•

Line 11/12 deployed but still unplugged To be plugged in June 2008

Already deployed and connected

~

•

Optical

Beacon for timing

calibration (blue LEDs)

Not all

storeys

Hydrophone RX

Local Control Module

(in a Ti-cylinder)

17” glass sphere

10” PMT Ham. R7081-20 14 stages

Shore Station La Seyne-sur-mer

Mux/ DeMux

Computer farm

100 Mb/s link

SCM

MLCM 2

MLCM 3

MLCM 4

MLCM 5

1 Gb/s link

to shore (MEOC)

JB Line 1

LCM

LCM

LCM

LCM

OM

OM

OM

OM

OM

LCM MLCM 1

40K

40Ca

e-

( decay)

LED OB

μ

Coincidences between signals on adjacent storeys

•

Effective area

Ndet=Aeff Time Flux

μ

μ

MACRO

ANTARES (1y)

ANTARES (3y)

ICECUBE

AMANDA II

• MACRO: Astropart.Phys.

19:1-13,2003.

•Baikal Astropart.

Phys. 25, 140 (2006).

•AMANDA-II (807 d)

Phys.Rev.D76:042008,2007

•IceCube: Astrop. Phys. 20 (2004) 507

•WB= Waxman & Bahcall, PRD59

(1999)

•MPR98, PRD 63

(2001)

• SDSS91: Phys.

Rev. Lett. 66(91)2697

BAIKAL

absorption cut-off mean free path -rays: + 2.7k >1014eV 10 Mpc

proton: p + 2.7k 0 + X >5.1019eV 50 Mpc

neutrinos: + 1.95K Z+X >4.1022eV (40 Gpc)

galactic magnetic deflection

(rad)= L(kpc) Z B(μG)/E(EeV)

(B=2μG, Z=1, L=1kpc)

=12odeg @ 1019eV

p

n

•

•

,,x,t,Q

Clock distribution

START STOP

TDC

START STOP

GPS E/O/E TX

RX

•

•

350 m

180 m 200 m

200 m

100 m