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Study of theB→X(3872)(→D*0D¯0)Kdecay
Aushev, T.,Zwahlen, N.,Adachi, I.,Aihara, H.,Bakich, A. M.,Balagura, V.,Bay, A.,Belous, K.,Bhardwaj, V.,Bischofberger, M.,Bondar, A.,Bozek, A.,Brodzicka, J.,Browder, T. E.,Chao, Y.,Chen, A.,Chen, P.,C American Physical Society 2010 PHYSICAL REVIEW D - Vol.81 No.3
Measurement of heavy-quark jet photoproduction at HERA
Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A. N.,Barbagli, G.,Bari, G. Springer-Verlag 2011 The European physical journal. C, Particles and fi Vol.71 No.5
Scaled momentum distributions for $ K_S^0 $ KS and $ \Lambda /\bar{\Lambda } $ in DIS at HERA
Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A. N.,Barbagli, G.,Bari, G. Springer-Verlag 2012 Journal of high energy physics Vol.2012 No.3
Measurement of beauty production in deep inelastic scattering at HERA using decays into electrons
Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A. N.,Barbagli, G.,Bari, G. Springer-Verlag 2011 European Physical Journal C Vol.71 No.2
Measurement of the top quark mass using the matrix element technique in dilepton final states
Abazov, V. M.,Abbott, B.,Acharya, B. S.,Adams, M.,Adams, T.,Agnew, J. P.,Alexeev, G. D.,Alkhazov, G.,Alton, A.,Askew, A.,Atkins, S.,Augsten, K.,Aushev, V.,Aushev, Y.,Avila, C.,Badaud, F.,Bagby, L.,Bal American Physical Society 2016 Physical Review D Vol.94 No.3
<P>We present a measurement of the top quark mass in p (p) over bar collisions at a center-of-mass energy of 1.96 TeV at the Fermilab Tevatron collider. The data were collected by the D0 experiment corresponding to an integrated luminosity of 9.7 fb(-1). The matrix element technique is applied to t (t) over bar events in the final state containing leptons (electrons or muons) with high transverse momenta and at least two jets. The calibration of the jet energy scale determined in the lepton + jets final state of t (t) over bar decays is applied to jet energies. This correction provides a substantial reduction in systematic uncertainties. We obtain a top quark mass of m(t) = 173.93 +/- 1.84 GeV.</P>
Combination of D0 measurements of the top quark mass
Abazov, V. M.,Abbott, B.,Acharya, B. S.,Adams, M.,Adams, T.,Agnew, J. P.,Alexeev, G. D.,Alkhazov, G.,Alton, A.,Askew, A.,Atkins, S.,Augsten, K.,Aushev, V.,Aushev, Y.,Avila, C.,Badaud, F.,Bagby, L.,Bal American Physical Society 2017 Physical Review D Vol.95 No.11
<P>We present a combination of measurements of the top quark mass by the D0 experiment in the lepton + jets and dilepton channels. We use all the data collected in Run I (1992-1996) at root s = 1.8 TeV and Run II (2001-2011) at root s = 1.96 TeV of the Tevatron p (p) over bar collider, corresponding to integrated luminosities of 0.1 fb(-1) and 9.7 fb(-1), respectively. The combined result is: m(t) = 174.95 +/- 0.40(stat)+/- 0.64(syst) GeV = 174.95 +/- 0.75 GeV.</P>
Measurement of the direct CP violating charge asymmetry in B±→μ±νμD0 decays
Abazov, V. M.,Abbott, B.,Acharya, B. S.,Adams, M.,Adams, T.,Agnew, J. P.,Alexeev, G. D.,Alkhazov, G.,Alton, A.,Askew, A.,Atkins, S.,Augsten, K.,Aushev, V.,Aushev, Y.,Avila, C.,Badaud, F.,Bagby, L.,Bal American Physical Society 2017 Physical Review D Vol.95 No.3
<P>We present the first measurement of the CP violating charge asymmetry in B-+/- -> mu(+/-)nu D-mu(0) decays using the full Run II integrated luminosity of 10.4 fb(-1) in proton-antiproton collisions collected with the D0 detector at the Fermilab Tevatron Collider. We measure a difference in the yield of B- and B+ mesons in these decays by fitting the reconstructed invariant mass distributions. This results in an asymmetry of A(mu D0) = [-0.14 +/- 0.20] %, which is consistent with standard model predictions.</P>
Measurement of the t dependence in exclusive photoproduction of @?(1S) mesons at HERA
ZEUS Collaboration,Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A.N.,Bar North-Holland Pub. Co 2012 Physics letters: B Vol.708 No.1
The exclusive photoproduction reaction γp→@?(1S)p has been studied with the ZEUS detector in ep collisions at HERA using an integrated luminosity of 468 pb<SUP>-1</SUP>. The measurement covers the kinematic range 60<W<220 GeV and Q<SUP>2</SUP><1 GeV<SUP>2</SUP>, where W is the photon-proton centre-of-mass energy and Q<SUP>2</SUP> is the photon virtuality. The exponential slope, b, of the t dependence of the cross section, where t is the squared four-momentum transfer at the proton vertex, has been measured, yielding b=4.3<SUB>-1.3</SUB><SUP>+2.0</SUP>(stat.)<SUB>-0.6</SUB><SUP>+0.5</SUP>(syst.) GeV<SUP>-2</SUP>. This constitutes the first measurement of the t dependence of the γp→@?(1S)p cross section.
Measurement of the forward-backward asymmetries in the production ofΞandΩbaryons inpp¯collisions
Abazov, V. M.,Abbott, B.,Acharya, B. S.,Adams, M.,Adams, T.,Agnew, J. P.,Alexeev, G. D.,Alkhazov, G.,Alton, A.,Askew, A.,Atkins, S.,Augsten, K.,Aushev, V.,Aushev, Y.,Avila, C.,Badaud, F.,Bagby, L.,Bal American Physical Society 2016 Physical Review D Vol.93 No.11
<P>We measure the forward-backward asymmetries A(FB) of charged Xi and Omega baryons produced in p (p) over bar collisions recorded by the D0 detector at the Fermilab Tevatron collider at root s = 1.96 TeV as a function of the baryon rapidity y. We find that the asymmetries A(FB) for charged Xi and Omega baryons are consistent with zero within statistical uncertainties.</P>
Measurement of top quark polarization in tt¯ lepton+jets final states
Abazov, V. M.,Abbott, B.,Acharya, B. S.,Adams, M.,Adams, T.,Agnew, J. P.,Alexeev, G. D.,Alkhazov, G.,Alton, A.,Askew, A.,Atkins, S.,Augsten, K.,Aushev, V.,Aushev, Y.,Avila, C.,Badaud, F.,Bagby, L.,Bal American Physical Society 2017 Physical Review D Vol.95 No.1
<P>We present a measurement of top quark polarization in t (t) over bar pair production in p (p) over bar collisions at root s = 1.96 TeV using data corresponding to 9.7 fb(-1) of integrated luminosity recorded with the D0 detector at the Fermilab Tevatron Collider. We consider final states containing a lepton and at least three jets. The polarization is measured through the distribution of lepton angles along three axes: the beam axis, the helicity axis, and the transverse axis normal to the t (t) over bar production plane. This is the first measurement of top quark polarization at the Tevatron using lepton + jet final states and the first measurement of the transverse polarization in t (t) over bar production. The observed distributions are consistent with standard model predictions of nearly no polarization.</P>