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 (Au), 12-27 (p) 2 Interaction points – MPD and SPD Beam energy (fixed target) - 1-6 GeV/u Fixed target experiment BM@N Luminosity: 1 0 27 cm -2 s -1 (Au), 10 32 (p) 2/33

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

Current & future HI experiments Current & future HI experiments RHIC Nuclotron- SIS/100 Facility SPS NICA LHC (500 ?) M BES II CERN BNL JINR JINR FAIR GSI CERN C P — c r i t i c a l p o i n t Laboratory Geneva Brookhaven Dubna Dubna Darmstadt Geneva O D — o n s e t o f d e c o n fj n e me n t , ALICE mi x e d p h a s e , NA61 STAR HADES Experiment BM@N MPD ATLAS s t 1 o r d e r p h a s e SHINE PHENIX CBM CMS t r a n s i t i o n H D M — h a d r o n s i n Start of data 2011 2020 2015 2021 2020/25 2009 d e n s e ma t t e r taking P D M — p r o p e r t i e s o f d e c o n fj n e d √s NN 7.7 – 200 < 3.5 4 - 11 2.3 – (4.5) up to 5500 4.9 – 17.3 ma t t e r OD & Physics CP & OD CP & OD HDM OD & CP PDM HDM √ s NN GeV 4/33

NA49 energy & species scan NA49 energy & species scan G a z d z i c k i M. G o r e n s t e i n M. A c t a . P h y s . P o l . , B 3 0 : 2 7 0 5 1 9 9 9 H o r n v a n i s h i n g a r X i v : n u c l - e x / 0 6 1 2 0 0 7 T h e s c a l e d v a r i a n c e o 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 o n o f n e g a t i v e l y c h a r g e d h a d r o n s i n t h e p r o j e c t i l e h e mi - s p h e r e 7/33

STAR Beam Energy Scan STAR Beam Energy Scan results results H i g h P s u p p r e s s i o n T C h i r a l Ma g n e t i c E fg e c t Stephen Horvat Quark Matter 2015 N u mb e r o f c o n s t i t u e n t q u a r k s s c a l i n g P h y s . R e v . C 8 8 , ( 2 0 1 3 ) , 0 1 4 9 0 2 8/33

STAR BES I results STAR BES I results S . J o w z a e e , Q u a r k Ma t t e r 2 0 1 7 R i d g e e fg e c t 9/33

STAR BES I results STAR BES I results P R L 1 1 2 ( 2 0 1 4 ) 1 6 2 3 0 1 R . L a c e y , P R L 1 1 4 , 1 4 2 3 0 1 ( 2 0 1 5 ) T h e r a p i d i t y - s l o p e o f t h e n e t p r o t o n d i r e c t e d fm o w v , d v / d y . T h i s q u a n t i t y 1 1 i s s e n s i t i v e t o 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. R - R − r e fm e c t s t h e 2 2 o u t s i d e l i f e t i me o f t h e c o l l i s i o n fj r e b a l l a n d w a s p r e d i c t e d t o r e a c h a ma x i mu m f o r c o l l i s i o n s i n w h i c h a h y d r o d y n a mi c fm u i d f o 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 o n o f s t a t e i s s o f t e s t . 10/33

STAR BES I results STAR BES I results S T A R , P R L 1 1 2 , 0 3 2 3 0 2 ( 2 0 1 4 ) T h e k u r t o s i s o 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 o n o f t h e n e t p r o t o n ( i . e . p r o t o n mi n u s a n t i p r o t o n ) n u mb e r p e r u n i t o f r a p i d i t y , n o r ma l i z e d s u c h t h a t P o i s s o n fm u c t u a t i o n s g i v e a v a l u e o f 1 . I n c e n t r a l c o l l i s i o 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 o w a d r o p b e l o w t h e P o i s s o n b a s e l i n e a r o u n d √ s N = 2 7 a n d 1 9 . 6 G e V . N N e w p r e l i mi n a r y d a t a o v e r a l a r g e r p r a n g e , a l t h o u g h a t 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 o r b a r s , h i n t t h a t t h e n o r ma l i z e d k u r t o s i s ma y , i n f a c t , r i s e a b o v e 1 a t l o w e r √ s N N , a s e x p e c t e d f r o m c r i t i c a l fm u c t u a t i o n s . . T h e g r e y b a n d s h o 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 o m B E S - I I i n 2 0 1 8 - 2 0 1 9 , f o r t h e 0 - 5 % mo s t c e n t r a l c o l l i s i o n s . 11/33

STAR Beam Energy Scan program STAR Beam Energy Scan program B E S I B B E E S S I I I I 12/33

NICA experiments NICA experiments & & Physics feasibility study Physics feasibility study MPD SPD 13/33

NICA White Paper NICA White Paper 14/33

Baryon stopping power Baryon stopping power 3 F D n o i t a l mu i s D MP Yu.B. Ivanov, PL B721 (2013) 123 arXiv:1211.2579 15/33

Femtoscopy for NICA Femtoscopy for NICA P H Y S I C A L R E V I E W C 9 6 , 0 2 4 9 1 1 ( 2 0 1 7 ) v H L L E + U r Q MD mo d e l n o i t a l mu i s D MP R a t i o o f t h e o 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 o 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 o n o f √ s N d e r i v e d f r o m t h e S T A R d a t a N ( 0 . 1 5 < k T < 0 . 2 5 G e V / c , 0 – 5 % c e n t r a l i t y ) a n d c o 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 o n s u s i n g P i o n e mi s s i o n t i me s a t t h e p a r t i c l i z a t i o n t h e t w o E o S s . 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 o n s ( b ) i n t h e c e n t e r - o f - ma s s s y s t e m o f c o l l i d i n g g o l d n u c l e i a t d i fg e r e n t v a l u e s o f √ s . N N 16/33

global Λ polarization for MPD polarization for MPD global Λ n o i t a l mu i s D MP

QCD Phase diagram QCD Phase diagram G r a z y n a O d y n i e c J o P 4 5 5 ( 2 0 1 3 ) 0 1 2 0 3 7 S T A R E u r . P h y s . J . A ( 2 0 1 6 ) 5 2 : 3 2 4 n o i t a l mu i s D MP T h e d e p e n d e n c e o f T o n μ B , fj t t e d c h w i t h t h e G r a n d C a n o n i c a l a p p r o a c h i n T H E R MU S Mo d e l

MPD experiment at NICA MPD experiment at NICA A u A u √ s = 1 1 G e V 19/33

MPD solenoid yoke MPD solenoid yoke ● Iron Yoke VHM, Vitkovice, Czech republic Outer diameter 6583 mm Length 9010 mm Dist. In between poles 7390 mm Weight 727 ton 28 plates 16 T each 2 support rings 42.5 T each 2 poles 50 T each 20/33

MPD Time Projection Chamber MPD Time Projection Chamber T P C Item Dimension Length of the TPC 340cm Outer radius of vessel 140cm Inner radius of vessel 27 cm Outer radius of the 133cm drift volume Inner radius of the drift 34cm volume Length of the drift 170cm (of each half) F l a n g e volume 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 ~ 10 4 factor Me mb r a n e F i e l d c a g e Drift velocity 5.45 cm/µs; Drift time < 30µs; Temperature stability < 0.5°C Number of readout 24 (12 per each end-plate) chambers Segmentation in φ 30° Pad size 5x12mm 2 and 5x18mm 2 Number of pads 95232 Pad raw numbers 53 Pad numbers after zero < 10% suppression Maximal event rate < 7 kHz ( Lum. 10 27 ) Electronics shaping ~180 ns (FWHM) time Signal-to-noise ratio 30:1 Signal dynamical range 21 10 bits 21 Sampling rate 10 MHz Sampling depth 310 time buckets 21/33

Time Of Flight detector Time Of Flight detector mRPC prototype with a multigap strip resistive plate chamber (T1 - T2) for two mRPCs Full scale mRPC prototype with a strip 22/33

BM@N experiment at NICA BM@N experiment at NICA A u A u E m = 4 G e V b e a 23/33

BM@N experiment at NICA BM@N experiment at NICA ToF-400 DCH-1,2 ToF-700 ZDC 24/33