Measurement of the t(t)over-bar production cross section in p(p)over-bar collisions at √s=1.96 TeV using missing ET + jets events with secondary vertex b tagging

被引:9
作者
Abulencia, A. [1 ]
Acosta, D.
Adelman, J.
Affolder, T.
Akimoto, T.
Albrow, M. G.
Ambrose, D.
Amerio, S.
Amidei, D.
Anastassov, A.
Anikeev, K.
Annovi, A.
Antos, J.
Aoki, M.
Apollinari, G.
Arguin, J. -F.
Arisawa, T.
Artikov, A.
Ashmanskas, W.
Attal, A.
Azfar, F.
Azzi-Bacchetta, P.
Azzurri, P.
Bacchetta, N.
Bachacou, H.
Badgett, W.
Barbaro-Galtieri, A.
Barnes, V. E.
Barnett, B. A.
Baroiant, S.
Bartsch, V.
Bauer, G.
Bedeschi, F.
Behari, S.
Belforte, S.
Bellettini, G.
Bellinger, J.
Belloni, A.
Ben-Haim, E.
Benjamin, D.
Beretvas, A.
Beringer, J.
Berry, T.
Bhatti, A.
Binkley, M.
Bisello, D.
Bishai, M.
Blair, R. E.
Blocker, C.
Bloom, K.
机构
[1] Univ Illinois, Urbana, IL 61801 USA
[2] Acad Sinica, Inst Phys, Taipei 11529, Taiwan
[3] Argonne Natl Lab, Argonne, IL 60439 USA
[4] Univ Autonoma Barcelona, Inst Fis Altes Energies, E-08193 Barcelona, Spain
[5] Baylor Univ, Waco, TX 76798 USA
[6] Univ Bologna, Ist Nazl Fis Nucl, I-40127 Bologna, Italy
[7] Brandeis Univ, Waltham, MA 02254 USA
[8] Univ Calif Davis, Davis, CA 95616 USA
[9] Univ Calif Los Angeles, Los Angeles, CA 90024 USA
[10] Univ Calif San Diego, La Jolla, CA 92093 USA
[11] Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA
[12] Univ Cantabria, CSIC, Inst Fis Cantabria, E-39005 Santander, Spain
[13] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[14] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA
[15] Joint Inst Nucl Res, RU-141980 Dubna, Russia
[16] Duke Univ, Durham, NC 27708 USA
[17] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[18] Univ Florida, Gainesville, FL 32611 USA
[19] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy
[20] Univ Geneva, CH-1211 Geneva 4, Switzerland
[21] Univ Glasgow, Glasgow G12 8QQ, Lanark, Scotland
[22] Harvard Univ, Cambridge, MA 02138 USA
[23] Univ Helsinki, Dept Phys, Div High Energy Phys, FIN-00014 Helsinki, Finland
[24] Helsinki Inst Phys, FIN-00014 Helsinki, Finland
[25] Univ Illinois, Urbana, IL 61801 USA
[26] Johns Hopkins Univ, Baltimore, MD 21218 USA
[27] Univ Karlsruhe, Inst Expt Kernphys, D-76128 Karlsruhe, Germany
[28] High Energy Accelerator Res Org KEK, Tsukuba, Ibaraki 305, Japan
[29] Kyungpook Natl Univ, Ctr High Energy Phys, Taegu 702701, South Korea
[30] Seoul Natl Univ, Seoul 151742, South Korea
[31] Sungkyunkwan Univ, Suwon 440746, South Korea
[32] Ernest Orlando Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA
[33] Univ Liverpool, Liverpool L69 7ZE, Merseyside, England
[34] UCL, London WC1E 6BT, England
[35] MIT, Cambridge, MA 02139 USA
[36] McGill Univ, Inst Particle Phys, Montreal, PQ H3A 2T8, Canada
[37] Univ Toronto, Toronto, ON M5S 1A7, Canada
[38] Univ Michigan, Ann Arbor, MI 48109 USA
[39] Michigan State Univ, E Lansing, MI 48824 USA
[40] Inst Theoret & Expt Phys, Moscow 117259, Russia
[41] Univ New Mexico, Albuquerque, NM 87131 USA
[42] Northwestern Univ, Evanston, IL 60208 USA
[43] Ohio State Univ, Columbus, OH 43210 USA
[44] Okayama Univ, Okayama 7008530, Japan
[45] Osaka City Univ, Osaka 588, Japan
[46] Univ Oxford, Oxford OX1 3RH, England
[47] Univ Padua, Ist Nazl Fis Nucl, Sez Padova Trento, I-35131 Padua, Italy
[48] Univ Penn, Philadelphia, PA 19104 USA
[49] Univ Pisa, Ist Nazl Fis Nucl Pisa, Siena, Italy
[50] Scuola Normale Super Pisa, I-56127 Pisa, Italy
基金
英国科学技术设施理事会;
关键词
D O I
10.1103/PhysRevLett.96.202002
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present a measurement of the t (t) over bar production cross section in p (p) over bar collisions at root s = 1.96 TeV which uses events with an inclusive signature of significant missing transverse energy and jets. This is the first measurement which makes no explicit lepton identification requirements, so that sensitivity to W ->tau nu decays is maintained. Heavy flavor jets from top quark decay are identified with a secondary vertex tagging algorithm. From 311 pb(-1) of data collected by the Collider Detector at Fermilab, we measure a production cross section of 5.8 +/- 1.2(stat)(-0.7)(+0.9)(syst) pb for a top quark mass of 178 GeV/c(2), in agreement with previous determinations and standard model predictions.
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