Exotica

Physics Reports

Volumn 409, Issue 1, 2005, Pages 1-45

  Jaffe, R L ^a  

^a MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 14344260347     PISSN: 03701573     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.physrep.2004.11.005     Document Type: Review

References (175)

1. D.J. Groos F. Wilczek Phys. Rev. Lett. 30 1973 1343
2. H.D. Politzer Phys. Rev. Lett. 30 1973 1346
3. M. Roos et al. Review of particle properties. Particle data group Phys. Lett. B 111 1982 1
4. For a recent overview of the history of and present evidence for strangeness + 1 baryons, Z*s, all of them broad and inelastic, see Ref. [4].
5. B.K. Jennings K. Maltman Phys. Rev. D 69 2004 094020 [arXiv:hEp-ph/ 03088286]
6. G.P. Yost et al. Review of particle properties: Particle data group Phys. Lett. B 204 1988 1
7. A.V. Manohar Nucl. Phys. B 248 1984 19
8. M. Chemtob Nucl. Phys. B 256 1985 600
9. L.C. Biedenharn, Y. Dothan, in: E. Gotsman, G. Tauber (Eds.), From SU(3) to Gravity, Festschrift in Honor of Yuval Ne'eman, Cambridge University Press, Cambridge, UK, 1985, p. 15 (Print-84-1039, DUKE).
10. M. Praszalowicz in: M. Jezabek M. Praszalowicz (Eds.) Skyrmions and Anomalies 1987 World Scientific Singapore 112
11. H. Walliser Nucl. Phys. A 548 1992 649
12. D. Diakonov V. Petrov M.V. Polyakov Z. Phys. A 359 1997 305 [arXiv:hEp-ph/9703373].
13. H. Weigel Eur. Phys. J. A 2 1998 391 [arXiv:hEp-ph/9804260]
14. T. Nakano, et al. [LEPS Collaboration], Phys. Rev. Lett. 91 (2003) 012002 [arXiv:hEp-ex/0301020].
15. V.V. Barmin, et al. [DIANA Collaboration], Phys. Atom. Nucl. 66 (2003) 1715 [Yad. Fiz. 66 (2003) 1763] [arXiv:hEpex/0304040]
16. S. Stepanyan, et al., [CLAS Collaboration], Phys. Rev. Lett. 91 (2003) 252001 [arXiv:hEp-ex/0307018]
17. J. Barth, et al. [SAPHIR Collaboration], arXiv:hEp-ex/0307083
18. A.E. Asratyan, A.G. Dolgolenko, M.A.Kubantsev, Phys. Atom. Nucl. 67 (2004) 682 [Yad. Fiz. 67 (2004) 704] [arXiv:hEpex/0309042]
19. V. Kubarovsky, et al. [CLAS Collaboration], Phys. Rev. Lett. 92 (2004) 032001 [Erratum-ibid. 92 (2004) 049902] [arXiv:hEp-ex/0311046]
20. H.G. Juengst [CLAS Collaboration]a, arXiv:nUcl-ex/0312019
21. A. Airapetian, et al. [HERMES Collaboration], Phys. Lett. B 585 (2004) 213 [arXiv:hEp-ex/0312044]
22. A. Aleev, et al. [SVD Collaboration], arXiv:hEp-ex/0401024
23. M. Abdel-Bary, et al. [COSY-TOF Collaboration], Phys. Lett. B 595 (2004) 127 [arXiv:hEp-ex/0403011]
24. P.Z. Aslanyan, V.N. Emelyanenko, G.G. Rikhkvitzkaya, arXiv:hEp-ex/0403044
25. S. Chekanov, et al. [ZEUS Collaboration], Phys. Lett. B 591 (2004) 7 [arXiv:hEp-ex/0403051]
26. T. Nakano, presentation at NSTAR 2004, Grenoble, France, March 24, 2004.
27. C. Alt, et al. [NA49 Collaboration], Phys. Rev. Lett. 92 (2004) 042003 [arXiv:hEp-ex/0310014]
28. but see also H.G. Fischer, S. Wenig, arXiv:hEp-ex/0401014
29. K.T. Knopfle, M. Zavertyaev, T. Zivko [HERA-B Collaboration], J. Phys. G 30 (2004) S1363 [arXiv:hEp-ex/0403020].
30. A. Aktas, et al. [H1 Collaboration], arXiv:hEp-ex/0403017
31. but see also K. Lipka [H1 Collaboration], arXiv:hEp-ex/0405051
32. For recent reviews of theoretical efforts to understand the Θ +, and views, some that coincide and others that contrast with mine, see Refs. [18,19].
33. D. Diakonov, arXiv:hEp-ph/0406043.
34. S.L. Zhu, arXiv:hEp-ph/0406204
35. M. Oka, arXiv:hEp-ph/0406211
36. K. Maltman, arXiv:hEp-ph/0408144
37. For a recent overview of the experimental situation, see G.Trilling in Ref. [21]
38. S. Eidelman et al. [Particle Data Group Collaboration], Review of particle physics, Phys. Lett. B 592 (2004) 1.
39. For a recent summary of negative results see A. Dzierba, talk presented at the International Conference on Quarks and Nuclear physics, QNP2004, http://k9.physics.indiana.edu/~eric/QNP/QNP/QNP_2004_talks/ plenary_Friday/dzierba_5q_qnp2004.pdf
40. R.L. Jaffe K. Johnson Phys. Lett. B 60 1976 201
41. R.L. Jaffe Phys. Rev. D 14 267 1977 281
42. For a review, see R.L. Jaffe, The Bag, MIT-CTP-814, in: A. Zichichi (Ed.), Pointlike structures inside and outside hadrons, Proceedings of the Erice School of Subnuclear Physics, 1979 (Plenum, New York, 1982).
43. R.L. Jaffe F. Wilczek Phys. Rev. Lett. 91 2003 232003
44. S. Nussinov, arXiv:hEp-ph/0307357.
45. M. Karliner, H.J. Lipkin, arXiv:hEp-ph/0307243.
46. M. Ida, R. Kobayashi, Prog. Theor. Phys. 36 (1966) 846
47. D.B. Lichtenberg, L.J. Tassie, Phys. Rev. 155 (1967) 1601.
48. For a review and further references, M. Anselmino, E. Predazzi, S. Ekelin, S. Fredriksson, D.B. Lichtenberg, Rev. Mod. Phys. 65 (1993) 1199
49. or M. Anselmino, E. Predazzi (Eds.), International Workshop on Diquarks and Other Models of Compositeness: Diquarks III, Turin, Italy, 28-30 October 1996 (World Scientific, Singapore, 1998).
50. Alford M.G. Rajagopal K. Wilczek F. Phys. Lett. B 422 (1998) 247 [arXiv:hEp-ph/9711395]
51. for a review with further references, see K. Rajagopal, Color superconductivity, Prepared for Cargese Summer School on QCD Perspectives on Hot and Dense Matter, Cargese, France, 6-18 August 2001.
52. See, for example, F.E. Close, A.W. Thomas, Phys. Lett. B 212 (1988) 227.
53. M. Neubert, B. Stech, Phys. Lett. B 231 (1989) 477
54. M. Neubert, B. Stech, Phys. Rev. D 44 (1991) 775.
55. R.L. Jaffe, Phys. Rev. Lett. 38 (1977) 195 [Erratum-ibid. 38 (1977) 617].
56. M. Gell-Mann Phys. Lett. 8 1964 214
57. P. Estabrooks A.D. Martin Nucl. Phys. B 79 1974 301
58. P. Estabrooks R.K. Carnegie A.D. Martin W.M. Dunwoodie T.A. Lasinski D.W.G. Leith Nucl. Phys. B 133 1978 490
59. J.S. Hyslop R.A. Arndt L.D. Roper R.L. Workman Phys. Rev. D 46 1992 961
60. C.G. Wohl Rev. Mod. Phys. 56 1984 S1
61. G.P. Gopal, R.T. Ross, A.J. Van Horn, A.C. McPherson, E.F. Clayton, T.C. Bacon, I. Butterworth [Rutherford-London Collaboration], Nucl. Phys. B 119 (1977) 362.
62. M. Alston-Garnjost, R.W. Kenney, D.L. Pollard, R.R. Ross, R.D. Tripp, H. Nicholson, Phys. Rev. D 17 (1978) 2226
63. M. Alston-Garnjost, R.W. Kenney, D.L. Pollard, R.R. Ross, R.D. Tripp, H. Nicholson, M. Ferro-Luzzi, Phys. Rev. D 17 (1978) 2216.
64. For a discussion of the effect of a background phase on the shape of the Θ +, see Ref. [42].
65. A. Sibirtsev, J. Haidenbauer, S. Krewald, U.G. Meissner, arXiv:hEp-ph/ 0405099.
66. R.N. Cahn G.H. Trilling Phys. Rev. D 69 2004 011501 arXiv:hEp-ph/0405099.
67. R.A. Arndt, I.I. Strakovsky, R.L. Workman, Phys. Rev. C 68 (2003) 042201 [Erratum-ibid. C 69 (2004) 019901] [arXiv:nUcl-th/0308012].
68. T. Nakano, talk presented at the International Conference on Quarks and Nuclear physics, QNP2004, http://www.qnp2004.org/5q_talks/T_Nakano.ppt.
69. For the most recent reports, see the talks at ICHEP 2004, http://ichep04.ihep.ac.cn/10_hadron.htm#hadron1.
70. D. Muller, private communication
71. U. Karshon [ZEUS Collaboration], talk presented at Pentaquark04 at SPRing-8, Japan, http://www.rcnp.osaka-u.ac.jp/~penta04/talk/21morning/ Karshon.pdf.
72. G.D. Lafferty P.I. Reeves M.R. Whalley J. Phys. G 21 1995 A1
73. Just such a comparison has been reported by the BABAR Collaboration at IUCHEP 2004. See the talk by V. Halyo, http://ichep04.ihep.ac.cn/ 10_hadron.htm#hadron1.
74. W. Liu C.M. Ko Phys. Rev. C 68 2003 045203 arXiv:nUcl-th/0308034
75. S. Okubo, Phys. Lett. 5 (1963) 165
76. G. Zweig, CERN Report No. 8419 TH 412, 1964 (unpublished); reprinted in Developments in the Quark Theory of Hadron s, D.B. Lichtenberg, S.P. Rosen (Eds.), Hadronic Press, Massachusetts, 1980J. Iizuka, Prog. Theor. Phys. Suppl. 37 (19 66) 21.
77. For speculations on the narrowness of the Θ + see Refs. [11,53].
78. M. Karliner, H.J. Lipkin, Phys. Lett. B 586 (2004) 303 [arXiv:hEp-ph/ 0401072]
79. S.R. Beane, arXiv:hEp-ph/0408066;
80. B.L. Ioffe, A.G. Oganesian, arXiv:hEp-ph/0408152.
81. This section is based on Ref. [55] where more details can be found.
82. R.L. Jaffe, A. Jain, arXiv:hEp-ph/0408046.
83. L. Castillejo R.H. Dalitz F.J. Dyson Phys. Rev. 101 1956 453
84. For a review of these issues see S. Frautschi, Regge Poles and S-matrix Theory, Benjamin, New York, 1965
85. and G. Barton, Introduction to Dispersion Relations in Field Theory, Benjamin, New York, 1965.
86. G.'t Hooft Nucl. Phys. B 72 1974 461
87. E. Witten Nucl. Phys. B 160 1979 57
88. A.V. Manohar, Nucl. Phys. B 248 (1984) 19
89. E. Jenkins, A.V. Manohar, arXiv:hEp-ph/0402150.
90. R.F. Dashen, E. Jenkins, A.V. Manohar, Phys. Rev. D 49 (1994) 4713 [Erratum-ibid. D 51 (1995) 2489] [arXiv:hEp-ph/9310379].
91. For a review, see A.V. Manohar, arXiv:hEp-ph/9802419.
92. E. Jenkins, A.V. Manohar, Phys. Rev. Lett. 93 (2004) 022001 [arXiv:hEp-ph/0401190]
93. E. Jenkins, A.V. Manohar, JHEP 0406 (2004) 039 [arXiv:hEp-ph/0402024].
94. D. Pirjol, private communication.
95. A. Manohar, H. Georgi, Nucl. Phys. B 234 (1984) 189.
96. For a review and further references, see L.Y. Glozman, D.O. Riska, Phys. Rep. 268 (1996) 263 [arXiv:hEp-ph/9505422].
97. D. Pirjol, C. Schat, arXiv:hEp-ph/0408293.
98. c approximation by M.E. Wessling, arXiv:hEp-ph/0408263.
99. G.S. Adkins C.R. Nappi E. Witten Nucl. Phys. B 228 1983 552
100. E. Guadagnini Nucl. Phys. B 236 1984 35
101. C.G. Callan I.R. Klebanov Nucl. Phys. B 262 1985 365
102. Ref. [11] quotes a width of order 15 MeV, however the calculation on which that claim is based contains an error, which corrected yields an estimate of ∼ 30 MeV [72].
103. R.L. Jaffe, Eur. Phys. J. C 35 (2004) 221 [arXiv:hEp-ph/0401187]
104. D. Diakonov, V. Petrov, M. Polyakov, arXiv:hEp-ph/0404212
105. R.L. Jaffe, arXiv:hEp-ph/0405268.
106. T.D. Cohen, Phys. Lett. B 581 (2004) 175 [arXiv:hEp-ph/0309111]
107. Cohen T.D. Phys. Rev. D 70 (2004) 014011, arXiv:mAthph/0407031.
108. For further discussion, see A. Cherman, T.D. Cohen, A. Nellore, arXiv:hEp-ph/0408209.
109. N. Itzhaki, I.R. Klebanov, P.Ouyang, L. Rastelli, Nucl. Phys. B 684 (2004) 264 [arXiv:hEp-ph/0309305];
110. I.R. Klebanov, P. Ouyang, arXiv:hEp-ph/0408251.
111. M.P. Mattis, M. Karliner, Phys. Rev. D 31 (1985) 2833
112. M.P. Mattis, M. Karliner, Phys. Rev. Lett. 56 (1986) 428
113. M.P. Mattis, M. Karliner, Phys. Rev. D 34 (1986) 1991.
114. 76] A. Chodos, R.L. Jaffe, K. Johnson, C.B. Thorn, V.F. Weisskopf, Phys. Rev. D 9 (1974) 3471
115. T. DeGrand, R.L. Jaffe, K. Johnson, J.E. Kiskis, Phys. Rev. D 12 (1975) 2060.
116. R.L. Jaffe K. Johnson Z. Ryzak Ann. Phys. 168 1986 344
117. T.A. DeGrand R.L. Jaffe Ann. Phys. 100 1976 425
118. R.L. Jaffe F.E. Low Phys. Rev. D 19 1979 2105
119. For a pedagogical introduction, see R.L. Jaffe, How to analyse low energy scattering, in: H. Guth, K. Huang, R.L. Jaffe (Eds.), Asymptotic Realms of Physics, Essays in Honor of Francis E. Low, MIT Press, Cambridge, 1983.
120. The spectrum of glueballs found on the lattice [82] agrees rather well with Ref. [77].
121. C.J. Morningstar M.J. Peardon Phys. Rev. D 60 1999 034509
122. F. Stancu D.O. Riska Phys. Lett. B 575 2003 242 [arXiv:hEp-ph/0307010]
123. F.E. Close, arXiv:hEp-ph/0311087.
124. S. Sasaki, arXiv:hEp-lat/0310014.
125. F. Csikor Z. Fodor S.D. Katz T.G. Kovacs JHEP 0311 2003 070 arXiv:hEp-lat/0309090
126. N. Mathur, et al. arXiv:hEp-ph/0406196.
127. T.W. Chiu, T.H. Hsieh, arXiv:hEp-ph/0403020.
128. J. Negele, private communication.
129. O. Jahn, private communication.
130. O. Jahn, J. Negele, D. Sigaev, to be published.
131. R. Jaffe, F. Wilczek, arXiv:hEp-ph/0401034.
132. This argument was worked out in collaboration with O. Jahn.
133. Diquark dynamics has been studied in the context of a Schwinger-Dyson approach to confined dynamics by C.D. Roberts. For a review and references, see P. Maris, C.D. Roberts, Int. J. Mod. Phys. E 12 (2003) 297 [arXiv:nUcl-th/0301049].
134. A. De Rujula H. Georgi S.L. Glashow Phys. Rev. D 12 1975 147
135. T. DeGrand R.L. Jaffe K. Johnson J.E. Kiskis Phys. Rev. D 12 1975 2060
136. G. 't Hooft, Phys. Rev. D 14 (1976) 3432 [Erratum-ibid. D 18 (1978) 2199].
137. E.V. Shuryak, Nucl. Phys. B 203 (1982) 93
138. T. Schafer, E.V. Shuryak, Rev. Mod. Phys. 70 (1998) 323;
139. E. Shuryak, I. Zahed, Phys. Lett. B 589 (2004) 21 [arXiv:hEp-ph/ 0310270].
140. Writing diquarks as local composite operators is a little more complicated than my notation suggests. See Ref. [100].
141. D.K. Hong Y.J. Sohn I. Zahed Phys. Lett. B 596 2004 191 arXiv:hEp-ph/ 0403205. HEP-PH 0403205
142. For the standard conventions on naming heavy baryons, see Ref. [21].
143. For a review of this classification scheme and more details on the notation, see C. Amsler, C.G. Wohl in Ref. [21].
144. F.J. Gilman M.B. Wise Phys. Rev. D 20 1979 2392
145. R.P. Feynman Photon-Hadron Processes 1971 Benjamin New York
146. X. Zheng, et al., [Jefferson Lab Hall A Collaboration], Phys. Rev. Lett. 92 (2004) 012004 [arXiv:nUcl-ex/0308011].
147. D. Su (BABAR Collaboration), private communication.
148. DELPHI Collaboration, Phys. Lett. 318b (1993) 249.
149. This work was done in collaboration with A. Vainshteyn, unpublished.
150. R.L. Jaffe, M. Soldate, Phys. Lett. B 105 (1981) 467
151. R.L. Jaffe, M. Soldate, Phys. Rev. D 26 (1982) 49.
152. R.L. Jaffe, Phys. Lett. B 116 (1982) 437
153. R.L. Jaffe, Nucl. Phys. B 229 (1983) 205.
154. C. Amsler N.A. Tornqvist Phys. Rep. 389 2004 61
155. F.E. Close N.A. Tornqvist J. Phys. G 28 2002 R249 arXiv:hEp-ph/0204205
156. For a recent reconsideration, see Ref. [114].
157. L. Maiani, F. Piccinini, A.D. Polosa, V. Riquer, arXiv:hEp-ph/0407017.
158. J.K. Ahn, et al. [KEK-PS E224 Collaboration], Phys. Rev. C 62 (2000) 055201.
159. A. Pochinsky J.W. Negele B. Scarlet Nucl. Phys. Proc. Suppl. 73 1999 255 arXiv:hEp-lat/9809077
160. See K. Imai, et al. AGS(Brookhaven) Proposal E-964.
161. R.L. Jaffe, arXiv:hEp-ph/0001123.
162. R.L. Jaffe, unpublished, quoted in Ref. [120].
163. F.E. Close J.J. Dudek Phys. Lett. B 586 2004 75 arXiv:hEp-ph/0401192
164. R. Jaffe F. Wilczek Phys. Rev. D 69 2004 114017 arXiv:hEp-ph/0312369
165. A. Selem, F. Wilczek, to be published.
166. D. Diakonov V. Petrov Phys. Rev. D 69 2004 094011 arXiv:hEp-ph/0310212
167. H. Weigel, Eur. Phys. J. A 21 (2004)133 [arXiv:hEp-ph/0404173]
168. H. Weigel, arXiv:hEp-ph/0405285.
169. M. Praszalowicz Phys. Lett. B 575 2003 234 arXiv:hEp-ph/0308114
170. T.D. Cohen, arXiv:hEp-ph/0402056.
171. T. Mehen C. Schat Phys. Lett. B 588 2004 67 arXiv:hEp-ph/0401107
172. C. Gignoux, B. Silvestre-Brac, J.M. Richard, Phys. Lett. B 193 (1987) 323
173. H.J. Lipkin, Baryons, Phys. Lett. B 195 (1987) 484.
174. I.W. Stewart M.E. Wessling M.B. Wise Phys. Lett. B 590 2004 185 arXiv:hEp-ph/0402076
175. For references to the predictions of a variety of models and a review of heavy exotic baryons and their excitations, see K. Maltman, arXiv:hEp-ph/ 0408145.