Light Squarks and Gluinos at TeV-scale $e^+e^-$ Colliders
In the general MSSM, first and second generation squarks and gluinos may be sufficiently light to be produced and studied at e{sup +}e{sup -} colliders operating in the 0.5-1 TeV energy range. After a reminder that the MSSM is not the same as mSUGRA, we provide a brief overview of these possibilities within this more general framework. Squarks and gluinos may be light enough to be produced at an e{sup +}e{sup -} collider operating in the 0.5-1 TeV energy range in non-mSUGRA SUSY breaking scenarios. The decays of such particles, though always leading to jets, may or may not produce ME depending on the nature of the SUSY spectrum. The electroweak properties of the squarks can be determined using polarized beams and production cross section measurements. The simultaneous production of essentially degenerate 1st and 2nd generation squarks can be problematic although efficient charm tagging would be helpful. If (some) squarks are heavier than gluinos then gluinos may be best studied as squark decay products. If gluinos are heavier than squarks, associated production can lead to an unambiguous, although small, production cross section somewhat below {approx} 1 fb. Gluino pair production is perhaps more interesting as the cross section for this process involves the entire strongly interacting sector of the MSSM. The rate is expected to be rather small for this process in the case of mSUGRA but has not been well-studied in the more general MSSM.
- Research Organization:
- SLAC National Accelerator Laboratory (SLAC)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1022485
- Report Number(s):
- SLAC-PUB-14102; arXiv:1005.4626
- Country of Publication:
- United States
- Language:
- English
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