Pentaquarks: review of the experimental evidence

Abt I (HERA-B Collaboration); Aguilar-Benitez M; Armstrong S; Asratyan A E; Aubert B (BABAR Collaboration); Aubert B (BABAR Collaboration); Azimov Y I Strakovsky I I; Barna D (NA49 Collaboration); Battaglieri M (CLAS Collaboration); Battaglieri M (CLAS Collaboration); Camilleri L (NOMAD Collaboration); Csikor F; Diakonov D; Diakonov D Petrov V; Ellis J; Fischer H G Wenig S; Gorelov I (CDF Collaboration); Gottschalk E (E690 Collaboration); Hicks K; Hicks K; Huffman B T (D0 Collaboration); Jaffe R; Jaffe R; Juengst H G (CLAS Collaboration); Kabana S; Kabana S (STAR Collaboration); Kadija K; Kadija K (NA49 Collaboration); Kouznetsov V (GRAAL Collaboration); Liu F M; Ma J; Matheus R D; Mizuk R (Belle Collaboration); Nakano T (LEPS Collaboration); Niccolai S (CLAS Collaboration); Pinkenburg C; Preszalowicz M; Schaerf C (GRAAL collaboration); Sonia Kabana; Stancu Fl; Titov A; Wengler T; Zhu S L

research

Pentaquarks: review of the experimental evidence

Authors: Abt I (HERA-B Collaboration)
Aguilar-Benitez M
Armstrong S
Asratyan A E
Aubert B (BABAR Collaboration)
Aubert B (BABAR Collaboration)
Azimov Y I Strakovsky I I
Barna D (NA49 Collaboration)
Battaglieri M (CLAS Collaboration)
Battaglieri M (CLAS Collaboration)
Camilleri L (NOMAD Collaboration)
Csikor F
Diakonov D
Diakonov D Petrov V
Ellis J
Fischer H G Wenig S
Gorelov I (CDF Collaboration)
Gottschalk E (E690 Collaboration)
Hicks K
Hicks K
Huffman B T (D0 Collaboration)
Jaffe R
Jaffe R
Juengst H G (CLAS Collaboration)
Kabana S
Kabana S (STAR Collaboration)
Kadija K
Kadija K (NA49 Collaboration)
Kouznetsov V (GRAAL Collaboration)
Liu F M
Ma J
Matheus R D
Mizuk R (Belle Collaboration)
Nakano T (LEPS Collaboration)
Niccolai S (CLAS Collaboration)
Pinkenburg C
Preszalowicz M
Schaerf C (GRAAL collaboration)
Sonia Kabana
Stancu Fl
Titov A
Wengler T
Zhu S L
Publication date: 15 September 2004
Publisher: 'IOP Publishing'
Doi

Abstract

Pentaquarks, namely baryons made by 4 quarks and one antiquark have been predicted and searched for since several decades without success. Theoretical and experimental advances in the last 2 years led to the observation of a number of pentaquark candidates. We review the experimental evidence for pentaquarks as well as their non-observations by some experiments, and discuss to which extend these sometimes contradicting informations may lead to a consistent picture.Comment: Contribution to the International Conference on 'Strangeness in Quark Matter', 15-21 Sept. 2004, Cape Tawn, South Afric