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The Phenomenology of Single Top Quark Production at the Fermilab Tevatron
High Energy Physics - Phenomenology · Submitted 16 Oct 1997
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We examine the implications of these results on our ability to measure V_{tb} with confidence, and propose a quantity R = \sigma_{Wg} / \sigma_{W^*}, which may be studied in order to characterize the confidence one may place upon a given measurement of V_{tb} from single top production.
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The abstract, sentence by sentence
Single top quark production at the Fermilab Tevatron Run II (a p \bar{p} collider with \sqrt{S} = 2 TeV) proceeds dominantly via two sub-processes, a t-channel W-gluon fusion process, and an s-channel W^* process. We show that these two sub-processes have different sensitivities to new physics effects in the top quark's electro-weak interactions. The W^* process is sensitive to new heavy charged resonances, such as a W' boson, while the W-gluon fusion process is more sensitive to modifications to the top's interaction, including flavor-changing neutral currents involving the top quark. We examine the implications of these results on our ability to measure V_{tb} with confidence, and propose a quantity R = \sigma_{Wg} / \sigma_{W^*}, which may be studied in order to characterize the confidence one may place upon a given measurement of V_{tb} from single top production.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Single top quark production at the Fermilab Tevatron Run II (a p \bar{p} collider with \sqrt{S} = 2 TeV) proceeds dominantly via two sub-processes, a t-channel W-gluon fusion process, and an s-channel W^* process. | background 1.00 | 0.12 | 0.04 | asserted 1.00 |
| s1 | We show that these two sub-processes have different sensitivities to new physics effects in the top quark's electro-weak interactions. | result 0.61 | 0.88 | 0.21 | asserted 1.00 |
| s2 | The W^* process is sensitive to new heavy charged resonances, such as a W' boson, while the W-gluon fusion process is more sensitive to modifications to the top's interaction, including flavor-changing neutral currents involving the top quark. | result 0.72 | 0.49 | 0.19 | asserted 0.99 |
| s3 | We examine the implications of these results on our ability to measure V_{tb} with confidence, and propose a quantity R = \sigma_{Wg} / \sigma_{W^*}, which may be studied in order to characterize the confidence one may place upon a given measurement of V_{tb} from single top production. | contribution 0.62 | 0.88 | 0.54 | hedged possibility 0.97 |
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Original abstract
Single top quark production at the Fermilab Tevatron Run II (a p \bar{p} collider with \sqrt{S} = 2 TeV) proceeds dominantly via two sub-processes, a t-channel W-gluon fusion process, and an s-channel W^* process. We show that these two sub-processes have different sensitivities to new physics effects in the top quark's electro-weak interactions. The W^* process is sensitive to new heavy charged resonances, such as a W' boson, while the W-gluon fusion process is more sensitive to modifications to the top's interaction, including flavor-changing neutral currents involving the top quark. We examine the implications of these results on our ability to measure V_{tb} with confidence, and propose a quantity R = \sigma_{Wg} / \sigma_{W^*}, which may be studied in order to characterize the confidence one may place upon a given measurement of V_{tb} from single top production.
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