Chin. Phys. Lett.  2014, Vol. 31 Issue (09): 091301    DOI: 10.1088/0256-307X/31/9/091301
THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS |
The Production of Ξbb at the Photon Collider
YANG Zhong-Juan**, ZHAO Xiao-Xia
School of Physics and Chemistry, Henan Polytechnic University, Jiaozuo 454003
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YANG Zhong-Juan, ZHAO Xiao-Xia 2014 Chin. Phys. Lett. 31 091301
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Abstract The inclusive production of the doubly heavy baryon Ξbb is investigated with a polarized and unpolarized photon collider. The bb pair in both a color triplet and sextet has been considered to transform into Ξbb. The results indicate that the contribution from the color sextet is about 8% for Ξbb production. For the international linear collider collision energy ranging from 91 GeV to 1000 GeV, the total cross section of Ξbb shows a downtrend, i.e., the production of Ξbb has the maximal rate at √S=91 GeV. Our results indicate that the initial beam polarization may be an important asset for the production of Ξbb. At some collision point, the production rate of Ξbb can be increased by about 17% with an appropriate choice of the initial beam polarization.
Published: 22 August 2014
PACS:  13.60.Rj (Baryon production)  
  12.38.Bx (Perturbative calculations)  
  14.20.Pt (Exotic baryons)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/31/9/091301       OR      https://cpl.iphy.ac.cn/Y2014/V31/I09/091301
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YANG Zhong-Juan
ZHAO Xiao-Xia
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