Narrow pentaquarks as diquark-diquark-antiquark systems

被引：13

作者：

Anisovich, V. V. ^{[1
]}

Matveev, M. A. ^{[1
]}

Nyiri, J. ^{[2
]}

Semenova, A. N. ^{[1
]}

机构：

[1] Petersburg Nucl Phys Inst, Kurchatov Inst, Theoret Phys Div, Natl Res Ctr, Gatchina 188300, Russia

[2] Wigner RCP, Inst Particle & Nucl Phys, H-1121 Budapest, Hungary

来源：

MODERN PHYSICS LETTERS A | 2017年 / 32卷 / 29期

关键词：

Quark model; diquark; exotic states; STATES; MODEL;

D O I：

10.1142/S0217732317501541

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The diquark-diquark-antiquark model describes pentaquark states both in terms of quarks and hadrons. The latest LHCb data for pentaquarks with open charm emphasize the importance of hadron components in the structure of pentaquarks. We discuss pentaquark states with hidden charm ((c) over bar cuud) and those with open charm P((u) over bar ussc) which were discovered recently in LHCb data (J/Psi p and Xi(+)(c) K- spectra correspondingly). Considering the observed states as members of the lowest (s-wave) multiplet, we discuss the mass splitting of states and the dumping of their widths.

引用

页数：7

共 26 条

[1]

Aaji R., 2017, PHYS REV LETT, V115

[2]

Aaji R., 2015, PHYS REV LETT, V118

[3] Heavy quark symmetry and weak decays of the b baryons in pentaquarks with a c(c)over-bar component [J].

Ali, Ahmed ;

Ahmed, Ishtiaq ;

Aslam, M. Jamil ;

Rehman, Abdur .

PHYSICAL REVIEW D, 2016, 94 (05)

[4] SEARCHING FOR THE QUARK-DIQUARK SYSTEMATICS OF BARYONS COMPOSED BY LIGHT QUARKS q = u, d [J].

Anisovich, A. V. ;

Anisovich, V. V. ;

Matveev, M. A. ;

Nikonov, V. A. ;

Sarantsev, A. V. ;

Vulfs, T. O. .

INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 2010, 25 (15) :2965-2995

[5]

Anisovich AV, 2013, 3 PARTICLE PHYS DISP

[6] Pentaquarks and strange tetraquark mesons [J].

Anisovich, V. V. ;

Matveev, M. A. ;

Sarantsev, A. V. ;

Semenova, A. N. .

MODERN PHYSICS LETTERS A, 2015, 30 (38)

[7] Nonstrange and strange pentaquarks with hidden charm [J].

Anisovich, V. V. ;

Matveev, M. A. ;

Nyiri, J. ;

Sarantsev, A. V. ;

Semenova, A. N. .

INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 2015, 30 (32)

[8] Exotic mesons with hidden charm as diquark-antidiquark states [J].

Anisovich, V. V. ;

Matveev, M. A. ;

Sarantsev, A. V. ;

Semenova, A. N. .

INTERNATIONAL JOURNAL OF MODERN PHYSICS A, 2015, 30 (32)

[9]

Anisovich V. V., ARXIV150707652V1

[10]

Anisovich V.V., 2008, MESONS BARYONS SYSTE

← 1 2 3 →