Evidence for a Particle Produced in Association with Weak Bosons and Decaying to a Bottom-Antibottom Quark Pair in Higgs Boson Searches at the Tevatron

  • Aaltonen, T.
  • Abazov, V. M.
  • Abbott, B.
  • Acharya, B. S.
  • Adams, M.
  • ... Choi, S.
  • 외 862명
Citations

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초록

We combine searches by the CDF and D0 Collaborations for the associated production of a Higgs boson with a W or Z boson and subsequent decay of the Higgs boson to a bottom-antibottom quark pair. The data, originating from Fermilab Tevatron p (p) over bar collisions at root s = 1.96 TeV, correspond to integrated luminosities of up to 9.7 fb(-1). The searches are conducted for a Higgs boson with mass in the range 100-150 GeV/c(2). We observe an excess of events in the data compared with the background predictions, which is most significant in the mass range between 120 and 135 GeV/c(2). The largest local significance is 3.3 standard deviations, corresponding to a global significance of 3.1 standard deviations. We interpret this as evidence for the presence of a new particle consistent with the standard model Higgs boson, which is produced in association with a weak vector boson and decays to a bottom-antibottom quark pair.

키워드

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제목
Evidence for a Particle Produced in Association with Weak Bosons and Decaying to a Bottom-Antibottom Quark Pair in Higgs Boson Searches at the Tevatron
저자
Aaltonen, T.Abazov, V. M.Abbott, B.Acharya, B. S.Adams, M.Adams, T.Alexeev, G. D.Alkhazov, G.Alton, A.Gonzalez, B. AlvarezAlverson, G.Amerio, S.Amidei, D.Anastassov, A.Annovi, A.Antos, J.Apollinari, G.Appel, J. A.Arisawa, T.Artikov, A.Asaadi, J.Ashmanskas, W.Askew, A.Atkins, S.Auerbach, B.Augsten, K.Aurisano, A.Avila, C.Azfar, F.Badaud, F.Badgett, W.Bae, T.Bagby, L.Baldin, B.Bandurin, D. V.Banerjee, S.Barbaro-Galtieri, A.Barberis, E.Baringer, P.Barnes, V. E.Barnett, B. A.Barria, P.Bartlett, J. F.Bartos, P.Bassler, U.Bauce, M.Bazterra, V.Bean, A.Bedeschi, F.Begalli, M.Behari, S.Bellantoni, L.Bellettini, G.Bellinger, J.Benjamin, D.Beretvas, A.Beri, S. B.Bernardi, G.Bernhard, R.Bertram, I.Besancon, M.Beuselinck, R.Bhat, P. C.Bhatia, S.Bhatnagar, V.Bhatti, A.Binkley, M.Bisello, D.Bizjak, I.Bland, K. R.Blazey, G.Blessing, S.Bloom, K.Blumenfeld, B.Bocci, A.Bodek, A.Boehnlein, A.Boline, D.Boos, E. 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DOI
10.1103/PhysRevLett.109.071804
발행일
2012-08-14
유형
Article
저널명
Physical Review Letters
109
7