Search for supersymmetric mesinos near production thresholdin terms of super flavor symmetry

JIA Lian-Bao; GUO Xing-Dao; JIN Hong-Ying; ZHAO Ming-Gang; LI Xue-Qian

doi:10.1088/1674-1137/39/8/083102

Chinese Physics C> 2015, Vol. 39> Issue(8) : 083102 DOI: 10.1088/1674-1137/39/8/083102

Search for supersymmetric mesinos near production thresholdin terms of super flavor symmetry

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Abstract：
Supersymmetry (SUSY) may be one of the most favored extensions of the Standard Model (SM), but so far at the LHC no evidence of SUSY particles has been observed. An obvious question is whether they have already emerged but escaped our detection, or whether they do not exist at all. We propose that the future ILC may provide sufficient energy and luminosity to produce SUSY particles as long as they are not too heavy. Superflavor symmetry associates production rates of SUSY mesinos with those of regular mesons, because both contain a heavy constituent and a light one. In this work, we estimate the production rate of SUSY mesinos near their production threshold and compare it with BB production. Our analysis indicates that if SUSY mesinos with masses below s/2 (s is the ILC energy) exist, they could be observed at the future ILC or even the proposed CEPC in China.

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JIA Lian-Bao, GUO Xing-Dao, JIN Hong-Ying, ZHAO Ming-Gang and LI Xue-Qian. Search for supersymmetric mesinos near production thresholdin terms of super flavor symmetry[J]. Chinese Physics C, 2015, 39(8): 083102. doi: 10.1088/1674-1137/39/8/083102

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Received: 2015-01-19
Revised: 2015-03-30

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Search for supersymmetric mesinos near production thresholdin terms of super flavor symmetry

Received Date: 2015-01-19

Accepted Date: 2015-03-30

Available Online: 2015-08-15

Abstract: Supersymmetry (SUSY) may be one of the most favored extensions of the Standard Model (SM), but so far at the LHC no evidence of SUSY particles has been observed. An obvious question is whether they have already emerged but escaped our detection, or whether they do not exist at all. We propose that the future ILC may provide sufficient energy and luminosity to produce SUSY particles as long as they are not too heavy. Superflavor symmetry associates production rates of SUSY mesinos with those of regular mesons, because both contain a heavy constituent and a light one. In this work, we estimate the production rate of SUSY mesinos near their production threshold and compare it with BB production. Our analysis indicates that if SUSY mesinos with masses below s/2 (s is the ILC energy) exist, they could be observed at the future ILC or even the proposed CEPC in China.

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Search for supersymmetric mesinos near production thresholdin terms of super flavor symmetry

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