Pawe ł Moskal for the WASA- - PowerPoint Presentation

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Pawe ł Moskal for the WASA- - PPT Presentation

at COSY Collaboration Jagiellonian University Cracow Poland EE MENU 2016 Kyoto University Kyoto 2530 July 20 16 Resent results from WASA at COSY ID: 800716

lett phys rev cosy phys lett cosy rev 3he adlarson wasa bound 2014 2013 mami 2015 arxiv nucl parc

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Slide1

Paweł Moskal for the WASA-at-COSY CollaborationJagiellonian University, Cracow, Poland

-EE MENU 2016Kyoto University, Kyoto, 25-30 July, 2016

Resent

results

from WASA-at-COSY

mesons

production

mesons

decays

(10

and 10

)

(

Ankita

Goswami

Today

18:20, Hall II)

Slide2

Recent results from WASA-at-COSY mesic nuclei dibaryons

P.M., Acta Phys. Polon. B 47 (2016) 97

Slide3

Kenta Itahashi, RIKENFrom talk at Symposium in Cracow 2013+

Slide4

Kenta Itahashi, RIKENFrom talk at Symposium in Cracow 2013+

Jagiellonian

University

Student of astronomy in 1491-1495

Slide5

ηN*N*

π‾

G. A, Sokol et al., arXiv:nucl-ex/0106005

Talk by

Wojciech Krzemień at this conference …THE ETA-MESIC NUCLEUS

meson

bound

with

nucleus

via

STRONG

INTERACTION

COSY

, J-PARC, MAMI, GSI, LPI/JINR

Slide6

ηγ

G. A, Sokol et al., arXiv:nucl-ex/0106005

Talk by Wojciech Krzemień at this

conference …

THE

ETA-MESIC NUCLEUSη meson bound with nucleus via STRONG INTERACTION

COSY

, J-PARC, MAMI, GSI, LPI/JINR

Slide7

Theoretical indications ...

Slide8

Attractive interaction between η and N (R. Bhalerao and L. C. Liu, Phys. Lett. B54 (1985) 685 )‏ possible existence of bound states of the η meson with nuclei for A>10

(Q. Haider and L. C. Liu, Phys. Lett. B172 (1986) 257 )‏

(

C.Garcia-Recio

, T. Inoue,

J.Nieves

, E. Oset, Phys. Lett. B550 (2002) 47).

Slide9

He-η 3H-η 4He-η

bound state possible with the light

nuclei

Wilkin, Phys. Rev. C47 (1993) 938Supported by model calculations of: - S. Wycech et al., Phys. Rev. C52(1995)544 (the multiple scattering theory)……… η-nuclear bound states revisited E. Friedman, A. Gal, J. Mares, Phys. Lett. B725 (2013) 334 N. Kelkar et al., Rept. Prog. Phys. 76 (2013) 066301

Slide10

Experimental indications ...

Slide11

 - 3He

dp 3He γ 3He  3He

ANKE

Mersmann et al., Phys. Rev. Lett. 98 242301 (2007)

COSY-11

Smyrski

et al., Phys.

Lett

B 649

258-262 (2007)

Mersmann

et al., Phys.

Rev

Lett

. 98, 242301 (2007)

COSY

MAMI

M. Pfeiffer

et al

Phys. Rev.

Lett

520

(

200

)

Pheron

et al.,

Phys

Lett

B709

21 (2012)

Slide12

dp 3He

ANKE: T. Mersmann et al., Phys. Rev. Lett. 98 242301 (2007)

COSY-11

: J. Smyrski et al., Phys. Lett

B 649

258-262 (2007)

|Re(a)| > Im(a)

|Re(a)| = 2.9

0.6 fm

Im(a) = 3.2 ± 0.4 fm

tot

= p

beam

/(1-i

C.Wilkin

et al.

Phys

Lett

. B654

(2007)

‏



COSY-11 , COSY-ANKE

also

MAMI …

Slide13

Expected signature ...

Slide14

ηN*N*

π‾

G. A, Sokol et al., arXiv:nucl-ex/0106005

Talk by

Wojciech Krzemień at this conference …THE ETA-MESIC NUCLEUS

meson

bound

with

nucleus

via

STRONG

INTERACTION

COSY

, J-PARC, MAMI, GSI, LPI/JINR

Slide15

d+d → (4He-η)bound→ 3He + p + π-d+d → 3He + p + π-

SIMULATIONS

Slide16

COoler SYnchrotron

COSYspolaryzowana lub niespolaryzowana wiązka protonów i deuteronów

chłodzenie stochasyczne i elektronowe

zakres pędu: 600 – 3700 MeV/c

produkcja mezonów do



(1020) włącznie

polarised and unpolarised proton

and deuteron beams

stochastic and electron cooling

momentum range: 600 – 3700 MeV/c

meson production up to



(1020)

‏

Slide17

dp 3He X

Slide18

WASA WASA A WARSHIP built for the war with Poland which sank in 1628 in the middle of Stockholm harbour after sailing barely 1300 meters

Slide19

Slide20

WASA-at-COSY pp  pp  pd

 3He 

Slide21

WASA-at-COSY pp  pp  pd 3He 

Slide22

WASA-at-COSY→

Slide23

d+d → (4He-η)bound→ 3He + p + π-d+d → 3He + p + π-

EXPERIMENTUpper limit of about 25 nbWASA-at-COSY: Phys. Rev. C87 (2013)

035204

SIMULATIONS

Slide24

Slide25

Slide26

Acta Phys. Polon. B 47 (2016)

Slide27

 - 4He

 - 3He

~ 6 nb -- Present preliminary experimental upper limit .

~ 4 nb -- Theoretical estimation

S. Wycech, W. Krzemien , Acta. Phys. Pol. B45 (2014) 745 . ~270 nb -- Present experimental upper limit pppπ- COSY-11: Acta Phys. Pol B41 (2010) 21

~80

Theoretical

estimation

Wilkin

Acta.

Phys

. Pol. B45 (2014)

603

~ 10nb --

expected

from New WASA-

-COSY data

collected

in May 2014

Slide28

Eulochio Oset et al., (priv. com. 2016) Chiral unitary approachGenerates the 3He-eta amplitude from the eta-3He potentialfitted to the data. With this optical potential solve the BSE for the η 3He system and find an η bound state around 0.3 MeV and a width around 3 MeV,

Slide29

decay via N*p+d → (3He-η)bound → p + p + p+ π-p+d → (3

He-η)bound → d + p + π0 p+d → (3He-η)bound → p + p + n + π0p+d → (3He-η)bound

→

d +

n + π

decay while orbitingp+d → (3He-η)bound → 3He 6γ p+d → (3He-η)bound → 3He γγ

(H.

Nagahiro

, S.

Hirenzaki

)

Slide30

Experimental search for the exotic matter mesic nuclei dibaryons

Slide31

G. A, Sokol et al., arXiv:nucl-ex/0106005MATTER

COSY, J-PARC, MAMI, GSI, LPI/JINR

eson

Baryon

1947 Powell in

Cracow Powell <-- Nobel Prize~1960 Quark Model

Slide32

historical entanglementJagiellonian University1364Collegium Maius at the University since 1400

Jagiellonian Symposium, Collegium Maius, 4-11 June 2017 http://koza.if.uj.edu.pl/conferences/

Slide33

G. A, Sokol et al., arXiv:nucl-ex/0106005MATTER

COSY, J-PARC, MAMI, GSI, LPI/JINR

eson

Baryon

1947 Powell in

Cracow Powell <-- Nobel Prize~1960 Quark Model

Slide34

G. A, Sokol et al., arXiv:nucl-ex/0106005MATTER

COSY, J-PARC, MAMI, GSI, LPI/JINR

eson

Baryon

Dibaryon

Tetraquark

Pentaquark

Slide35

G. A, Sokol et al., arXiv:nucl-ex/0106005MATTER

COSY, J-PARC, MAMI, GSI, LPI/JINR

eson

Baryon

Dibaryon

Tetraquark

Belle

2003;

LHCb

2014;

LHCb

2015;

Pentaquark

Slide36

Double pionic fusion - a new resonance? WASA-at-COSY: Phys

. Rev. Lett. 106 (2011) 242302Cross section for pn → dπ0π0

Slide37

WASA-at-COSY: Phys. Rev. Lett. 106 (2011) 242302Cross section for pn

→ dπ0π0NN*(1440)ΔΔ

70 MeV

ouble pionic fusion

- a new resonance pn  DD  dp0p0 ; pn  NN*  dp0p0



dibaryon



 d

Slide38

Double pionic fusion - a new resonance? WASA-at-COSY: Phys. Rev. Lett. 106 (2011) 242302I = 0; JP = 3

+Cross section for pn → dπ0π0NN*(1440)70 MeV

J=1

J=3

Slide39

WASA-at-COSY: Phys. Rev. Lett. 106 (2011) 242302I = 0; JP = 3+

Cross section for pn → dπ0π0NN*(1440)ΔΔ

70 MeV

ouble pionic fusion

- a new resonance

Slide40

40The decay modes of the dibaryonChannelPublicationsd p0p0 P. Adlarson et al., Phys. Rev. Lett. 106 (2011) 242302P. Adlarson et al., Phys. Lett. B721 (2013) 229-236P. Adlarson et al., Eur. Phys. J. A52 (2016) 147d p+p- d

p+p0P. Adlarson et al., Phys. Lett. B721 (2013) 229-236ppp0p-P. Adlarson et al., Phys. Rev. C 88 (2013) 055208npp0p0P. Adlarson et al., Phys. Lett. B743 (2015) 325-332npP. Adlarson et al., Phys. Rev. Lett. 112 (2014) 202301P. Adlarson et al., Phys. Rev. C90 (2014) 035204

3He pp

P. Adlarson et al., Phys. Rev. C91 (2015) 0152014He

pp P. Adlarson et al., Phys.

Rev. C86 (2012) 032201....

Slide41

41Total cross section pN  d WASA-at-COSY: Phys. Lett. B721 (2013) 229

I=0I=1

Slide42

pn  pn00P. Adlarson et al., Phys.Lett. B743 (2015) 325-332

Slide43

43The decay modes of the dibaryonChannelPublicationsd p0p0 P. Adlarson et. al Phys. Rev. Lett. 106 (2011) 242302P. Adlarson et. al Phys. Lett. B721 (2013) 229-236d p+p- d p+p0

P. Adlarson et. al Phys. Lett. B721 (2013) 229-236ppp0p-P. Adlarson et. al Phys. Rev. C 88 (2013) 055208npp0p0P. Adlarson et al., Phys. Lett. B743 (2015) 325-332npP. Adlarson et al. Phys. Rev. Lett. 112 (2014) 202301P. Adlarson et al. Phys. Rev. C90 (2014) 035204 3He pp P. Adlarson et al., Phys. Rev. C91 (2015) 0152014He

pp P. Adlarson et. al. Phys.

Rev. C86 (2012) 032201....

Slide44

44 energy dependence at pnn

pSAIDNew SAIDsolutions WASA-at-COSY: Phys. Rev. Lett. 112 (2014) 202301

Slide45

Deuteron to Deltaron45Thresholdpn2.2 MeVdeuteronΔΔ

80 MeVd*I(Jp) = 0(1+)I(Jp) = 0(3+)

M. Bashkanov, Jagiellonian Symposium, 2015

Slide46

Deltaron vs Hexaquark46ΔΔ

ΔΔL=2

0.9

L=0

1.2

Huang et al,

arXiv:1408.0458

M. Bashkanov, Jagiellonian Symposium, 2015

Slide47

G. A, Sokol et al., arXiv:nucl-ex/0106005MATTER

COSY, J-PARC, MAMI, GSI, LPI/JINR

eson

Baryon

Dibaryon

Tetraquark

Belle

2003:

Phys

. Rev.

Lett

(

2003)

2001

LHCb

2014:

Phys

Rev

Lett

. 112 (2014)

222002

LHCb

2015:

Phys

Rev

Lett

. 115 (2015) 072001

WASA-

-COSY

Phys

Rev

Lett

112

(2014)

202311

Pentaquark

Slide48

mesic-nucleidiscovery of dibaryons

Pawe ł Moskal for the WASA- - PowerPoint Presentation

Pawe ł Moskal for the WASA- - PPT Presentation

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