Slepton production in polarized hadron collisions
| Autor: | Giuseppe Bozzi, Michael Klasen, Benjamin Fuks |
|---|---|
| Přispěvatelé: | Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS) |
| Rok vydání: | 2005 |
| Předmět: |
Particle physics
Nuclear and High Energy Physics media_common.quotation_subject Hadron Tevatron FOS: Physical sciences 01 natural sciences Asymmetry High Energy Physics - Experiment Nuclear physics High Energy Physics - Experiment (hep-ex) High Energy Physics - Phenomenology (hep-ph) Polarization 0103 physical sciences 12.60.Jv 13.85.Qk 13.88.+e 14.60.Fg 14.80.Ly 010306 general physics Tau (s)leptons Particle Physics - Phenomenology media_common Hadron colliders Physics Large Hadron Collider 010308 nuclear & particles physics Electroweak interaction High Energy Physics::Phenomenology Superpartner Supersymmetry High Energy Physics - Phenomenology Pair production [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph] High Energy Physics::Experiment |
| Zdroj: | Physics Letters B Physics Letters B, Elsevier, 2005, 609, pp.339-350. ⟨10.1016/j.physletb.2005.01.060⟩ |
| ISSN: | 0370-2693 |
| DOI: | 10.1016/j.physletb.2005.01.060 |
| Popis: | We calculate cross sections and asymmetries for slepton pair production through neutral and charged electroweak currents in polarized hadron collisions for general slepton masses and including mixing of the left- and right-handed interaction eigenstates relevant for third generation sleptons. Our analytical results confirm and extend a previous calculation. Numerically, we show that measurements of the longitudinal single-spin asymmetry at the existing polarized pp collider RHIC and at possible polarization upgrades of the Tevatron or the LHC would allow for a determination of the tau slepton mixing angle and/or the associated supersymmetry breaking parameters Lambda for gauge mediation and A0 for minimal supergravity. Furthermore, the Standard Model background from tau pair production can be clearly distinguished due to the opposite sign of the associated asymmetry. 16 pages, 4 figures; Tevatron/LHC polarization and tau identification discussed, typos corrected |
| Databáze: | OpenAIRE |
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