期刊
PHYSICAL REVIEW D
卷 87, 期 5, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.052011
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资金
- DOE (USA)
- NSF (USA)
- CEA (France)
- CNRS/IN2P3 (France)
- MON (Russia)
- Rosatom (Russia)
- RFBR (Russia)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FAPESP (Brazil)
- FUNDUNESP (Brazil)
- DAE (India)
- Colciencias (Colombia)
- CONACyT (Mexico)
- NRF (Korea)
- FOM (Netherlands)
- STFC (United Kingdom)
- Royal Society (United Kingdom)
- MSMT (Czech Republic)
- GACR (Czech Republic)
- BMBF (Germany)
- DFG (Germany)
- SFI (Ireland)
- Swedish Research Council (Sweden)
- CAS (China)
- CNSF (China)
- ICREA Funding Source: Custom
- STFC [ST/H00095X/2, ST/I505756/1, ST/K001388/1, ST/K50208X/1, PP/E000487/1, ST/F00754X/1, ST/F007418/1, ST/H00095X/1, ST/J501074/1, ST/K000713/1, ST/M000664/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/H00095X/2, PP/E000487/1, ST/M000664/1, ST/J501074/1, ST/H00095X/1, ST/F007418/1, ST/K50208X/1, ST/I505756/1, ST/F00754X/1, ST/K001388/1, ST/K000713/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [0969555] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1205960, 1206092] Funding Source: National Science Foundation
We present a search for charged massive long-lived particles (CMLLPs) that are pair produced in p (p) over bar collisions at root s = 1.96 TeV collected by the D0 experiment at the Fermilab Tevatron collider. Our result is a combination of two searches where either one or both CMLLPs are reconstructed in the detector. We select events with muonlike particles that have both speed and ionization energy loss (dE/dx) different from muons produced in p (p) over bar collisions. In the absence of evidence for CMLLPs corresponding to 6.3 fb(-1) of integrated luminosity, we set limits on the CMLLP masses in several supersymmetric models, excluding masses below 278 GeV for long-lived gaugino-like charginos, and masses below 244 GeV for long-lived Higgsino-like charginos at the 95% C.L. We also set limits on the cross section for pair production of long-lived scalar tau leptons that range from 0.04 to 0.008 pb for scalar tau lepton masses of 100-300 GeV. DOI: 10.1103/PhysRevD.87.052011
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