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Double -- photon exclusive processes with heavy quark -- heavy antiquark pairs in high-energy Pb-Pb collisions at LHC
Double -- photon exclusive processes heavy quark -- heavy antiquark pairs high-energy Pb-Pb collisions
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2011/1/6
The cross section for exclusive heavy quark and heavy antiquark pair (Q¯Q) production in periph-eral ultrarelativistic heavy ion collisions is calculated for the LHC energy √sNN = 5.5 TeV. Here w...
Parton distributions at the dawn of the LHC
Parton distributions dawn of the LHC
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2011/1/5
We review basic ideas and recent developments on the determination of the parton substructure of the nucleon, in view of applications to precision hadron collider physics. We review the way informatio...
Detecting Elastic pp Scattering by Radiative Photons in CMS at the LHC
Detecting Elastic pp Scattering Radiative Photons CMS at the LHC
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2011/1/4
Photon bremsstrahlung is studied for identifying elastic proton-proton interactions in the
CMS experiment at the LHC. In addition to measurement of the elastic pp cross section
(assuming that the el...
Single and Double Photonuclear Excitations in Pb+Pb Collisions at the LHC
Single Double Photonuclear Excitations Pb+Pb Collisions
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2011/1/10
Cross sections are calculated for single and double photon exchange in ultra-peripheral Pb+Pb
collisions at the LHC. The particle production is simulated with the DPMJET event generator.
Large cross...
New Light on Dark Matter from the LHC
New Light Dark Matter LHC
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2011/1/5
The prospects for detecting a candidate supersymmetric dark matter particle at the LHC are reviewed, and compared with the prospects for direct and indirect searches for astrophysical dark matter, on ...
Light Stop Searches at the LHC in Events with two b-Jets and Missing Energy
Light Stop Searches LHC in Events with two b-Jets Missing Energy
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2011/1/6
We propose a new method to discover light top squarks (stops) in the co–annihilation region at
the Large Hadron Collider (LHC). The bino–like neutralino is the lightest supersymmetric particle (LSP) ...
捕光天线LHCⅡ的荧光光谱特性研究
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2007/8/20
采用稳态荧光光谱技术在低温83 K下用波长为436 nm和507 nm的连续光激发对LHCⅡ进行研究,得到两种波长光激发下LHCⅡ的荧光光谱,并采用高斯组分光谱解析的方法,分别解析出四个谱带,结合吸收光谱和发射光谱分析,认为各自其中两个反映了两种光谱特性：Chl a683.6680/681、Chl a694.0690.0和Chl a/b671.4670.0和Chl a683.8680/681,其余...