Project NICA at the LHEP JINR ISMD 2017 ROGACHEVSKY Oleg - - PowerPoint PPT Presentation

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Project NICA at the LHEP JINR ISMD 2017 ROGACHEVSKY Oleg - - PowerPoint PPT Presentation

Project NICA at the LHEP JINR ISMD 2017 ROGACHEVSKY Oleg ROGACHEVSKY Oleg September, 11 2017 for MPD collaboration Tlaxcala City NICA complex NICA complex Beams p,d(h).. 197 Au 79+ Experiments: Collision energy s= 4-11 GeV/u


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SLIDE 1

ROGACHEVSKY Oleg ROGACHEVSKY Oleg for MPD collaboration

ISMD 2017 September, 11 2017 Tlaxcala City

Project NICA

at the LHEP JINR

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SLIDE 2

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NICA complex NICA complex

Beams – p,d(h)..197Au79+

Collision energy √s= 4-11 GeV/u (Au), 12-27 (p) Beam energy (fixed target) - 1-6 GeV/u Luminosity: 1027 cm-2s-1(Au), 1032 (p) Experiments: 2 Interaction points – MPD and SPD Fixed target experiment BM@N

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SLIDE 3

QCD Phase diagram QCD Phase diagram

N I C A e n e r g y s c a n : MP D 4 < √ s < 1 1 G e V / u B M@ N 2 . 3 < √ s < 3 . 4 G e V / u p , C , …, A u

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SLIDE 4

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Current & future HI experiments Current & future HI experiments

Facility SPS RHIC BES II Nuclotron- M NICA SIS/100 (500 ?) LHC Laboratory CERN Geneva BNL Brookhaven JINR Dubna JINR Dubna FAIR GSI Darmstadt CERN Geneva Experiment NA61 SHINE STAR PHENIX BM@N MPD HADES CBM ALICE ATLAS CMS Start of data taking 2011 2020 2015 2021 2020/25 2009 √sNN

4.9 – 17.3

7.7 – 200 < 3.5 4 - 11 2.3 – (4.5) up to 5500 Physics CP & OD CP & OD HDM OD & HDM OD & CP PDM

C P — c r i t i c a l p

  • i

n t O D —

  • n

s e t

  • f

d e c

  • n

fj n e me n t , mi x e d p h a s e , 1

s t

  • r

d e r p h a s e t r a n s i t i

  • n

H D M — h a d r

  • n

s i n d e n s e ma t t e r P D M — p r

  • p

e r t i e s

  • f

d e c

  • n

fj n e d ma t t e r √sNN GeV

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SLIDE 5

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NA49 energy & species scan NA49 energy & species scan

T h e s c a l e d v a r i a n c e

  • f

t h e mu l t i p l i c i t y d i s t r i b u t i

  • n
  • f

n e g a t i v e l y c h a r g e d h a d r

  • n

s i n t h e p r

  • j

e c t i l e h e mi

  • s

p h e r e

a r X i v : n u c l

  • e

x / 6 1 2 7

H

  • r

n v a n i s h i n g

G a z d z i c k i M. G

  • r

e n s t e i n M. A c t a . P h y s . P

  • l

. , B 3 : 2 7 5 1 9 9 9

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SLIDE 6

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STAR Beam Energy Scan STAR Beam Energy Scan results results

P h y s . R e v . C 8 8 , ( 2 1 3 ) , 1 4 9 2

N u mb e r

  • f

c

  • n

s t i t u e n t q u a r k s s c a l i n g C h i r a l Ma g n e t i c E fg e c t

Stephen Horvat Quark Matter 2015

H i g h P

T

s u p p r e s s i

  • n
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STAR BES I results STAR BES I results

R i d g e e fg e c t

S . J

  • w

z a e e , Q u a r k Ma t t e r 2 1 7

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SLIDE 8

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P R L 1 1 2 ( 2 1 4 ) 1 6 2 3 1

R . L a c e y , P R L 1 1 4 , 1 4 2 3 1 ( 2 1 5 )

STAR BES I results STAR BES I results

R

2

  • u

t

  • R

2 s i d e

− r e fm e c t s t h e l i f e t i me

  • f

t h e c

  • l

l i s i

  • n

fj r e b a l l a n d w a s p r e d i c t e d t

  • r

e a c h a ma x i mu m f

  • r

c

  • l

l i s i

  • n

s i n w h i c h a h y d r

  • d

y n a mi c fm u i d f

  • r

ms a t t e mp e r a t u r e s w h e r e t h e e q u a t i

  • n
  • f

s t a t e i s s

  • f

t e s t .

T h e r a p i d i t y

  • s

l

  • p

e

  • f

t h e n e t p r

  • t
  • n

d i r e c t e d fm

  • w

v

1

, d v

1

/ d y . T h i s q u a n t i t y i s s e n s i t i v e t

  • e

a r l y p r e s s u r e g r a d i e n t s i n t h e me d i u m.

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SLIDE 9

11/33 S T A R , P R L 1 1 2 , 3 2 3 2 ( 2 1 4 )

STAR BES I results STAR BES I results

T h e k u r t

  • s

i s

  • f

t h e e v e n t

  • b

y

  • e

v e n t d i s t r i b u t i

  • n
  • f

t h e n e t p r

  • t
  • n

( i . e . p r

  • t
  • n

mi n u s a n t i p r

  • t
  • n

) n u mb e r p e r u n i t

  • f

r a p i d i t y , n

  • r

ma l i z e d s u c h t h a t P

  • i

s s

  • n

fm u c t u a t i

  • n

s g i v e a v a l u e

  • f

1 . I n c e n t r a l c

  • l

l i s i

  • n

s , p u b l i s h e d r e s u l t s i n a l i mi t e d k i n e ma t i c r a n g e s h

  • w

a d r

  • p

b e l

  • w

t h e P

  • i

s s

  • n

b a s e l i n e a r

  • u

n d √ s

N N

= 2 7 a n d 1 9 . 6 G e V . N e w p r e l i mi n a r y d a t a

  • v

e r a l a r g e r p

T

r a n g e , a l t h

  • u

g h a t p r e s e n t s t i l l w i t h s u b s t a n t i a l e r r

  • r

b a r s , h i n t t h a t t h e n

  • r

ma l i z e d k u r t

  • s

i s ma y , i n f a c t , r i s e a b

  • v

e 1 a t l

  • w

e r √ s

N N

, a s e x p e c t e d f r

  • m

c r i t i c a l fm u c t u a t i

  • n

s . . T h e g r e y b a n d s h

  • w

s t h e mu c h r e d u c e d u n c e r t a i n t i e s a n t i c i p a t e d f r

  • m

B E S

  • I

I i n 2 1 8

  • 2

1 9 , f

  • r

t h e

  • 5

% mo s t c e n t r a l c

  • l

l i s i

  • n

s .

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SLIDE 10

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STAR Beam Energy Scan program STAR Beam Energy Scan program

B E S I I B E S I I B E S I

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NICA experiments NICA experiments & & Physics feasibility study Physics feasibility study

MPD SPD

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NICA White Paper NICA White Paper

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Baryon stopping power Baryon stopping power

Yu.B. Ivanov, PL B721 (2013) 123 arXiv:1211.2579

3 F D

MP D s i mu l a t i

  • n
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Femtoscopy for NICA Femtoscopy for NICA

P H Y S I C A L R E V I E W C 9 6 , 2 4 9 1 1 ( 2 1 7 )

P i

  • n

e mi s s i

  • n

t i me s a t t h e p a r t i c l i z a t i

  • n

s u r f a c e ( a ) a n d t h e l a s t i n t e r a c t i

  • n

s ( b ) i n t h e c e n t e r

  • f
  • ma

s s s y s t e m

  • f

c

  • l

l i d i n g g

  • l

d n u c l e i a t d i fg e r e n t v a l u e s

  • f

√ s

N N

.

R a t i

  • f

t h e

  • u

t a n d s i d e r a d i i ( a ) a n d d i fg e r e n c e

  • f

t h e r a d i i s q u a r e d ( b ) a s a f u n c t i

  • n
  • f

√ s

N N

d e r i v e d f r

  • m

t h e S T A R d a t a ( . 1 5 < k T < . 2 5 G e V / c , – 5 % c e n t r a l i t y ) a n d c

  • mp

a r e d w i t h t h e mo d e l c a l c u l a t i

  • n

s u s i n g t h e t w

  • E
  • S

s . v H L L E + U r Q MD mo d e l

MP D s i mu l a t i

  • n
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SLIDE 15

global global Λ Λ polarization for MPD polarization for MPD

MP D s i mu l a t i

  • n
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SLIDE 16

QCD Phase diagram QCD Phase diagram

T h e d e p e n d e n c e

  • f

T

c h

  • n

μ

B

, fj t t e d w i t h t h e G r a n d C a n

  • n

i c a l a p p r

  • a

c h i n T H E R MU S Mo d e l G r a z y n a O d y n i e c J

  • P

4 5 5 ( 2 1 3 ) 1 2 3 7 S T A R E u r . P h y s . J . A ( 2 1 6 ) 5 2 : 3 2 4

MP D s i mu l a t i

  • n
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SLIDE 17

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MPD experiment at NICA MPD experiment at NICA

A u A u √ s = 1 1 G e V

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  • Iron Yoke

Outer diameter 6583 mm Length 9010 mm

  • Dist. In between poles 7390 mm

Weight 727 ton

MPD solenoid yoke MPD solenoid yoke

28 plates 16 T each 2 support rings 42.5 T each 2 poles 50 T each VHM, Vitkovice, Czech republic

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SLIDE 19

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MPD Time Projection Chamber MPD Time Projection Chamber

21 21

Item Dimension Length of the TPC 340cm Outer radius of vessel 140cm Inner radius of vessel 27 cm Outer radius of the drift volume 133cm Inner radius of the drift volume 34cm Length of the drift volume 170cm (of each half) HV electrode Membrane at the center of the TPC Electric field strength ~140V/cm; Magnetic field strength 0.5 Tesla Drift gas 90% Ar+10% Methane, Atmospheric

  • pres. + 2 mbar

Gas amplification factor ~ 104 Drift velocity 5.45 cm/µs; Drift time < 30µs; Temperature stability < 0.5°C Number of readout chambers 24 (12 per each end-plate) Segmentation in φ 30° Pad size 5x12mm2 and 5x18mm2 Number of pads 95232 Pad raw numbers 53 Pad numbers after zero suppression < 10% Maximal event rate < 7 kHz ( Lum. 1027 ) Electronics shaping time ~180 ns (FWHM) Signal-to-noise ratio 30:1 Signal dynamical range 10 bits Sampling rate 10 MHz Sampling depth 310 time buckets F i e l d c a g e

Me mb r a n e

T P C F l a n g e

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Time Of Flight detector Time Of Flight detector

mRPC prototype with a strip

Full scale mRPC prototype with a strip (T1 - T2) for two mRPCs

multigap resistive plate chamber

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BM@N experiment at NICA BM@N experiment at NICA

A u A u E

b e a m

= 4 G e V

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SLIDE 22

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BM@N experiment at NICA BM@N experiment at NICA

ToF-700 DCH-1,2 ZDC ToF-400

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Deutron tracks and momentum Deutron tracks and momentum reconstruction with reconstruction with BM@N BM@N Drift Chambers Drift Chambers

D e u t r

  • n

b e a m i n c l i n a t i

  • n

a t d i fg e r e n t v a l u e s

  • f

ma g n e t i c fj e l d

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BM@N BM@N physics physics

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Spin Physics Detector Spin Physics Detector

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SLIDE 26

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SPD Letter of Intent SPD Letter of Intent

h e p

  • e

x a r X i v : 1 4 8 . 3 9 5 9

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NICA NICA Site Site

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NICA NICA Schedule Schedule

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Thank you for Thank you for attention attention

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Forward H Hadron C Calorimet meter er Forward H Hadron C Calorimet meter er

2 GeV 6 GeV 5 GeV 4 GeV

Module assembling at INR Transverse size 15x15 cm2, length~160 cm, weight ~120 kg. 60 lead/scintillator sandwiches. 6 fiber/MAPD 10 MAPDs/module

Beam test at CERN

NA61, CBM, MPD

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Phase space Phase space

π∓ p K

+

MP D r e g i s t e r s

  • n

a v e r a g e : ~ 3 8 c h a r g e d p i

  • n

s ~ 8 5 p r

  • t
  • n

s ~ 3 K + i n a n e v e n t ( c e n t r a l A u + A u a

t 8 G e V )

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T P C

P I D : I

  • n

i z a t i

  • n

l

  • s

s ( d E / d x ) S e p a r a t i

  • n

: e / h – 1 . 3 . . 3 G e V / c π / K – . 1 . . . 6 G e V / c K / p – . 1 . . 1 . 2 G e V / c

Charged Particle ID Charged Particle ID

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Tracking Tracking

Low-p cutoff ~ 100 MeV for a 0.5 T magnetic field