Decay properties of Diquarks and exotics
DOI:
https://doi.org/10.24297/jap.v4i2.6181Keywords:
Diquarks, Quasiparticles, Exotic particles, Decay propertiesAbstract
Decay and spectroscopic properties of vector and scalar diquarks have been studied. The decay widths and decay constants of scalar and vector diquarks have been estimated in the frame work of quasi particle model of diquark. The decay widths of exotic baryons like,Δ, N, θ+ have been investigated. The investigation is important in the view of LHC era where existence of new particle (new Physics) are expected including the colored objects like diquarks. The results obtained are compared with existing theoretical and experimental works wherever available. Some interesting observations are made.
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References
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[5] Bediaga I, Predazzi E, 1985, Vector Meson and Axial Vector Diquark Decay Conatant 42, 55.
[6] Jenkins E, Manohar A.V, 2004, 1/N Expansion for Exotic Baryons, arXiv:[hep-ph] 0402024 .
[7] Maris P, 2008, Electromagnetic properties of diquarks, 35, 117.
[8] Cakir O, Sahin M, 2005, Resonant Production Of Diquark at High Energy pp,ep, and e+e- Colloders, arXiv:[hep-ph]0508205 .
[9] Maiani L, Polosa A, Piccinini F Riquer, 2004, A New Look at Scalar Mesons, arXiv:[hep-ph] 0407017 .
[10] Lichtenberg D B, Predazzi E, Wills J.G, 1983, Baryon Magnetic Moments in a Dynamical Quark-Diquark Model, 17, 57.
[11] Chandra A, Bhattacharya A, Chakrabarti B, 2012, Heavy Pentaquarks and Doubly Heavy Baryons in Quasiparticle Approach, 27, 125006-1; Bhattacharya A et al., 2011, The Heavy light Baryon masses in the Quasi particle Approach, 126, 57.
[12] Haug A, Theoretical Solid State Physics,1975, Pergamon Press, Oxford, p-100 .
[13] Lucha W, Schobert F.F, Gromes D, 1991, Bound State of Quarks, 200, 127.
[14] Chakrabarti B et al., 2010, Baryons in Diquark-Quark Model, 41,95.
[15] Nagata K et al., Ann. Rep. /sec2, (2006)/nagata.pdf. [16] Castro A S, Carvalho H. F, Antunes A. C. B, 1993, A Diquark Model for Baryon Spetroscopy. 57, 315. [17] Atag S, Cakir O, Sultansoy S, 1999, Resonance Production of Diquarks at CERN LHC, 59, 015008; Arik E et al. JHEP, 2002,09, 024 . [19] Bhattacharya A, Chakrabarti B, Banerjee S. N, 1998, On Some Properties of Matrix Elements |Vub/Vcb | Related to The Fermi Momentum, 2, 617. [18] Royen R Van, Weisskipf V. F, 1967, Hadron Decay Processes and The Quark Model, 50, 617. [20] Bhattacharya A et al., 2000, Dependence of |Vcb| on Fermi Momentum, 15, 2053. [21] Faessler A et al., 2010, Low-lying Baryon Decays in 3 P0 Quark Model, 37, 115002. [22] Kraseman H, 1980, Potential Model Estimates of f(V) and f(PS), 96, 397. [23] Praszalowicz M, 2010, Importance of Mixing for Exotic Baryons, 3, 917. [24] Hong D K, Sohn Y. J, Zahed I, 2004, A Diquark Chiral Effective Theory and Exotic Baryon, hep-ph/0403205. [25] Karaback D, Nandi S, Rai S. K, 2012, Diquark Resonance and Single Top Production at The Large Hadron Collider, hep-ph/1201.2917. [26] Mohapatra R N, Okada N, Yu H-B, 2008, Diquark Higgs Boson at CERN LHC, D77, 011701 ; Okada N,Sept 22 ,2007,B-L Workshop. [27] Gao Q X, Yang Y-C, Ping J, 2012, Dynamical Study of udss^bar in The Chiral Constituent Quark Model, 39, 045001 ; Rehman A, 2011, Diquark-Antidiquark Interpretation of Mesons, arXiv:[hep-ph]1109.1095.
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Published
2014-04-16
How to Cite
Bhattacharya, A., Saha, R., & Chandra, A. (2014). Decay properties of Diquarks and exotics. JOURNAL OF ADVANCES IN PHYSICS, 4(2), 539–545. https://doi.org/10.24297/jap.v4i2.6181
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