中文

CDF 与 D0 W 玻色子质量测量的组合

高能物理 - 实验 2013-09-25 v2

摘要

我们总结并组合了 CDF 和 D0 实验在费米实验室 Tevatron 对撞机收集的 s=1.96TeV\sqrt{s} = 1.96 \text{TeV} 质子 - 反质子碰撞数据中对 WW 玻色子质量的直接测量结果。早期的 CDF 和 D0 测量值与两项最新、更精确的测量值进行了组合:一项是 CDF 在电子和缪子通道中使用对应于 2.2fb12.2 \mathrm{fb}^{-1} 积分亮度的数据进行的测量,另一项是 D0 在电子通道中使用对应于 4.3fb14.3 \mathrm{fb}^{-1} 积分亮度的数据进行的测量。由此得到的 Tevatron WW 玻色子质量平均值为 \MW=80387±16MeV\MW = 80\,387 \pm 16 \text{MeV}。若包含在 LEP 电子 - 正电子碰撞中获得的测量值,则得出最精确的值 \MW=80385±15MeV\MW = 80\,385 \pm 15 \text{MeV}

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引用

@article{arxiv.1307.7627,
  title  = {Combination of CDF and D0 W-Boson Mass Measurements},
  author = {CDF Collaboration and T. Aaltonen and S. Amerio and D. Amidei and A. Anastassov and A. Annovi and J. Antos and G. Apollinari and J. A. Appel and T. Arisawa and A. Artikov and J. Asaadi and W. Ashmanskas and B. Auerbach and A. Aurisano and F. Azfar and W. Badgett and T. Bae and A. Barbaro-Galtieri and V. E. Barnes and B. A. Barnett and P. Barria and P. Bartos and M. Bauce and F. Bedeschi and D. Beecher and S. Behari and G. Bellettini and J. Bellinger and D. Benjamin and A. Beretvas and A. Bhatti and I. Bizjak and K. R. Bland and B. Blumenfeld and A. Bocci and A. Bodek and D. Bortoletto and J. Boudreau and A. Boveia and L. Brigliadori and C. Bromberg and E. Brucken and J. Budagov and H. S. Budd and K. Burkett and G. Busetto and P. Bussey and P. Butti and A. Buzatu and A. Calamba and S. Camarda and M. Campanelli and F. Canelli and B. Carls and D. Carlsmith and R. Carosi and S. Carrillo and B. Casal and M. Casarsa and A. Castro and P. Catastini and D. Cauz and V. 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Snow and J. Snow and S. Snyder and S. Söldner-Rembold and L. Sonnenschein and K. Soustruznik and J. Stark and D. A. Stoyanova and M. Strauss and L. Suter and P. Svoisky and M. Titov and V. V. Tokmenin and Y. -T. Tsai and D. Tsybychev and B. Tuchming and C. Tully and L. Uvarov and S. Uvarov and S. Uzunyan and R. Van Kooten and W. M. van Leeuwen and N. Varelas and E. W. Varnes and I. A. Vasilyev and A. Y. Verkheev and L. S. Vertogradov and M. Verzocchi and M. Vesterinen and D. Vilanova and P. Vokac and H. D. Wahl and M. H. L. S. Wang and J. Warchol and G. Watts and M. Wayne and J. Weichert and L. Welty-Rieger and M. R. J. Williams and G. W. Wilson and M. Wobisch and D. R. Wood and T. R. Wyatt and Y. Xie and S. Yacoob and R. Yamada and S. Yang and T. Yasuda and Y. A. Yatsunenko and W. Ye and Z. Ye and H. Yin and K. Yip and S. W. Youn and J. M. Yu and J. Zennamo and T. G. Zhao and B. Zhou and J. Zhu and M. Zielinski and D. Zieminska and L. Zivkovic},
  journal= {arXiv preprint arXiv:1307.7627},
  year   = {2013}
}

备注

Submitted to Phys. Rev. D