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G, Venkateswaran A, Vesterinen M, Viaud B, Vieira D, Diaz M Vieites, Vilasis-Cardona X, Volkov V, Vollhardt A, Voneki B, Voong D, Vorobyev A, Vorobyev V, Voß C, de Vries J A, Sierra C Vázquez, Waldi R, Wallace C, Wallace R, Walsh J, Wang J, Ward D R, Wark H M, Watson N K, Websdale D, Weiden A, Whitehead M, Wicht J, Wilkinson G, Wilkinson M, Williams M, Williams M P, Williams M, Williams T, Wilson F F, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton S A, Wraight K, Wright S, Wyllie K, Xie Y, Xing Z, Xu Z, Yang Z, Yin H, Yu J, Yuan X, Yushchenko O, Zangoli M, Zarebski K A, Zavertyaev M, Zhang L, Zhang Y, Zhang Y, Zhelezov A, Zheng Y, Zhokhov A, Zhukov V, Zucchelli S
European Organization for Nuclear Research (CERN), Geneva, Switzerland.
Universidad de Santiago de Compostela, Santiago de Compostela, Spain.
Eur Phys J C Part Fields. 2016;76(12):664. doi: 10.1140/epjc/s10052-016-4489-7. Epub 2016 Dec 2.
A search is presented for massive long-lived particles, in the 20-60 [Formula: see text] mass range with lifetimes between 5 and 100 [Formula: see text]. The dataset used corresponds to 0.62[Formula: see text] of proton-proton collision data collected by the LHCb detector at [Formula: see text]. The particles are assumed to be pair-produced by the decay of a Higgs-like boson with mass between 80 and 140 [Formula: see text]. No excess above the background expectation is observed and limits are set on the production cross-section as a function of the long-lived particle mass and lifetime and of the Higgs-like boson mass.
本文给出了对质量在20 - 60 [公式：见原文] 范围内、寿命在5到100 [公式：见原文] 之间的大质量长寿命粒子的搜索。所使用的数据集对应于大型强子对撞机底夸克探测器（LHCb）在[公式：见原文] 收集的质子 - 质子碰撞数据的0.62 [公式：见原文] 。假设这些粒子是由质量在80到140 [公式：见原文] 之间的类希格斯玻色子衰变成对产生的。未观察到超出背景预期的信号，并且设定了作为长寿命粒子质量、寿命以及类希格斯玻色子质量函数的产生截面的限制。
