http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Measurement oftt¯spin correlation inpp¯collisions using the CDF II detector at the Tevatron
Aaltonen, T.,Á,lvarez Gonzá,lez, B.,Amerio, S.,Amidei, D.,Anastassov, A.,Annovi, A.,Antos, J.,Apollinari, G.,Appel, J. A.,Apresyan, A.,Arisawa, T.,Artikov, A.,Asaadi, J.,Ashmanskas, W.,Aue American Physical Society 2011 PHYSICAL REVIEW D - Vol.83 No.3
Search for Randall-Sundrum gravitons in the diphoton channel at CDF
Aaltonen, T.,Á,lvarez Gonzá,lez, B.,Amerio, S.,Amidei, D.,Anastassov, A.,Annovi, A.,Antos, J.,Apollinari, G.,Appel, J. A.,Apresyan, A.,Arisawa, T.,Artikov, A.,Asaadi, J.,Ashmanskas, W.,Aue American Physical Society 2011 PHYSICAL REVIEW D - Vol.83 No.1
Measurement of the top quark mass in the all-hadronic mode at CDF
Aaltonen, T.,Á,lvarez Gonzá,lez, B.,Amerio, S.,Amidei, D.,Anastassov, A.,Annovi, A.,Antos, J.,Apollinari, G.,Appel, J.A.,Arisawa, T.,Artikov, A.,Asaadi, J.,Ashmanskas, W.,Auerbach, B.,Auri Elsevier 2012 Physics letters: B Vol.714 No.1
<P><B>Abstract</B></P><P>A measurement of the top quark mass (<SUB>Mtop</SUB>) in the all-hadronic decay channel is presented. It uses 5.8 fb<SUP>−1</SUP> of pp¯ data collected with the CDF II detector at the Fermilab Tevatron Collider. Events with six to eight jets are selected by a neural network algorithm and by the requirement that at least one of the jets is tagged as a <I>b</I>-quark jet. The measurement is performed with a likelihood fit technique, which simultaneously determines <SUB>Mtop</SUB> and the jet energy scale (JES) calibration. The fit yields a value of <SUB>Mtop</SUB>=172.5±1.4(stat)±1.0(JES)±1.1(syst) GeV/<SUP>c2</SUP>.</P>
Search for the Higgs boson in the all-hadronic final state using the full CDF data set
Aaltonen, T.,Gonzá,lez, B. Á,lvarez,Amerio, S.,Amidei, D.,Anastassov, A.,Annovi, A.,Antos, J.,Apollinari, G.,Appel, J. A.,Apresyan, A.,Arisawa, T.,Artikov, A.,Asaadi, J.,Ashmanskas, W.,Aue Springer-Verlag 2013 Journal of high energy physics Vol.2013 No.2
Aaltonen, T.,Á,lvarez Gonzá,lez, B.,Amerio, S.,Amidei, D.,Anastassov, A.,Annovi, A.,Antos, J.,Apollinari, G.,Appel, J. A.,Apresyan, A.,Arisawa, T.,Artikov, A.,Asaadi, J.,Ashmanskas, W.,Aue American Physical Society 2010 Physical Review Letters Vol.105 No.25
<P>A precision measurement of the top quark mass m_{t} is obtained using a sample of tt[over ¯] events from pp[over ¯] collisions at the Fermilab Tevatron with the CDF II detector. Selected events require an electron or muon, large missing transverse energy, and exactly four high-energy jets, at least one of which is tagged as coming from a b quark. A likelihood is calculated using a matrix element method with quasi-Monte Carlo integration taking into account finite detector resolution and jet mass effects. The event likelihood is a function of m_{t} and a parameter ?_{JES} used to calibrate the jet energy scale in situ. Using a total of 1087 events in 5.6??fb^{-1} of integrated luminosity, a value of m_{t}=173.0±1.2??GeV/c^{2} is measured.</P>
Measurement of the Ratioσtt¯/σZ/γ*→lland Precise Extraction of thett¯Cross Section
Aaltonen, T.,Adelman, J.,Á,lvarez Gonzá,lez, B.,Amerio, S.,Amidei, D.,Anastassov, A.,Annovi, A.,Antos, J.,Apollinari, G.,Apresyan, A.,Arisawa, T.,Artikov, A.,Asaadi, J.,Ashmanskas, W.,Atta American Physical Society 2010 Physical review letters Vol.105 No.1
<P>We report a measurement of the ratio of the tt to Z/관{*} production cross sections in sqrt[s]=1.96??TeV pp collisions using data corresponding to an integrated luminosity of up to 4.6??fb{-1}, collected by the CDF II detector. The tt cross section ratio is measured using two complementary methods, a b-jet tagging measurement and a topological approach. By multiplying the ratios by the well-known theoretical Z/관{*}?l cross section predicted by the standard model, the extracted tt cross sections are effectively insensitive to the uncertainty on luminosity. A best linear unbiased estimate is used to combine both measurements with the result ?{tt}=7.70±0.52??pb, for a top-quark mass of 172.5??GeV/c{2}.</P>
Search forR-Parity Violating Decays of Sneutrinos toeμ,μτ, andeτPairs inpp¯Collisions ats=1.96 TeV
Aaltonen, T.,Adelman, J.,Á,lvarez Gonzá,lez, B.,Amerio, S.,Amidei, D.,Anastassov, A.,Annovi, A.,Antos, J.,Apollinari, G.,Appel, J.,Apresyan, A.,Arisawa, T.,Artikov, A.,Asaadi, J.,Ashmanska American Physical Society 2010 Physical Review Letters Vol.105 No.19
<P>We present a search for supersymmetric neutrino 관[over ?] production using the Tevatron pp[over ¯] collision data collected with the CDF II detector and corresponding to an integrated luminosity of 1??fb^{-1}. We focus on the scenarios predicted by the R-parity violating (RPV) supersymmetric models in which sneutrinos decay to two charged leptons of different flavor. With the data consistent with the standard model expectations, we set upper limits on ?(pp[over ¯]??over ?])×BR(관[over ?]?관,관?,e?) and use these results to constrain the RPV couplings as a function of the sneutrino mass.</P>
Search for new color-octet vector particle decaying to tt¯ in pp¯ collisions at s=1.96 TeV
Aaltonen, T.,Adelman, J.,Á,lvarez Gonzá,lez, B.,Amerio, S.,Amidei, D.,Anastassov, A.,Annovi, A.,Antos, J.,Apollinari, G.,Apresyan, A.,Arisawa, T.,Artikov, A.,Asaadi, J.,Ashmanskas, W.,Atta Elsevier 2010 Physics letters: B Vol.691 No.4
<P><B>Abstract</B></P><P>We present the result of a search for a massive color-octet vector particle, (e.g. a massive gluon) decaying to a pair of top quarks in proton–antiproton collisions with a center-of-mass energy of 1.96 TeV. This search is based on 1.9<SUP> fb−1</SUP> of data collected using the CDF detector during Run II of the Tevatron at Fermilab. We study tt¯ events in the lepton+jets channel with at least one <I>b</I>-tagged jet. A massive gluon is characterized by its mass, decay width, and the strength of its coupling to quarks. These parameters are determined according to the observed invariant mass distribution of top quark pairs. We set limits on the massive gluon coupling strength for masses between 400 and 800 GeV/<SUP>c2</SUP> and width-to-mass ratios between 0.05 and 0.50. The coupling strength of the hypothetical massive gluon to quarks is consistent with zero within the explored parameter space.</P>
Measurement ofZγproduction inpp¯collisions ats=1.96 TeV
Aaltonen, T.,Adelman, J.,Á,lvarez Gonzá,lez, B.,Amerio, S.,Amidei, D.,Anastassov, A.,Annovi, A.,Antos, J.,Apollinari, G.,Appel, J.,Apresyan, A.,Arisawa, T.,Artikov, A.,Asaadi, J.,Ashmanska American Physical Society 2010 PHYSICAL REVIEW D - Vol.82 No.3