Toward Determination of m_t at 50 MeV Accuracy

Details Toward Determination of m_t at 50 MeV Accuracy Toward Determination of m_t at 50 MeV Accuracy

2001-01-22

arxiv.org/abs/hep-ph/0101236v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 figures, Talk given at the Linear Colliders Workshop 2000, Fermilab, USA, October 2000

Scientific paper

10.1063/1.1394335

The top quark mass will be determined to high accuracy from the shape of the ttbar total production cross section in the threshold region at a future linear e+e- collider. Presently the estimated statistical error in the measurement of the MSbar mass of the top quark is \sim 50 MeV, while the estimated theoretical error is 150-200 MeV. In order to reduce the theoretical uncertainty to below 50 MeV, we have recently computed an important part of the higher-order corrections. We deomonstrate the significance of the calculated correction.

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