Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Bernd A. Kniehl"'
Angular analysis of bottom-flavored hadron production in semileptonic decays of polarized top quarks
Publikováno v:
Physical Review
We study the inclusive production of bottom-flavored hadrons from semileptonic decays of polarized top quarks at next-to-leading order in QCD using fragmentation functions recently determined from a global fit to $e^+e^-$ data. We provide the relevan
Autor:
Maxim Nefedov, Vladimir Saleev, Marco Radici, A. Guskov, Jean-Philippe Lansberg, Alessandro Bacchetta, Miguel G. Echevarria, A. Rymbekova, K. F. Liu, Andrej Arbuzov, Oleg Teryaev, A. Karpishkov, Bernd A. Kniehl, Umberto D'Alesio, B. Parsamyan, Francesco Murgia, S. Kumano, M. Deka, N.Ya. Ivanov, A.V. Efremov, Francesco Giovanni Celiberto, Cristian Pisano, M. Butenschoen, A. Shipilova, Ya. Klopot, Qin-Tao Song, I. Denisenko, Aram Kotzinian
Publikováno v:
Prog.Part.Nucl.Phys.
Prog.Part.Nucl.Phys., 2021, 119, pp.103858. ⟨10.1016/j.ppnp.2021.103858⟩
Prog.Part.Nucl.Phys., 2021, 119, pp.103858. ⟨10.1016/j.ppnp.2021.103858⟩
The Spin Physics Detector (SPD) is a future multipurpose experiment foreseen to run at the NICA collider, which is currently under construction at the Joint Institute for Nuclear Research (JINR, Dubna, Russia). The physics program of the experiment i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2af9fb10f106bab8d4bcc2dbb3999bf8
https://hal.archives-ouvertes.fr/hal-03086776
https://hal.archives-ouvertes.fr/hal-03086776
Publikováno v:
Nuclear Physics B
Nuclear Physics B, Vol 900, Iss C, Pp 576-602 (2015)
Nuclear physics / B 900, 576-602 (2015). doi:10.1016/j.nuclphysb.2015.09.018
Nuclear Physics B, Vol 900, Iss C, Pp 576-602 (2015)
Nuclear physics / B 900, 576-602 (2015). doi:10.1016/j.nuclphysb.2015.09.018
We calculate the full one-loop electroweak radiative corrections, of ${\cal O}(\alpha^2\alpha_s)$, to the cross section of single $Z$-boson inclusive hadroproduction at finite transverse momentum ($p_T$). This includes the ${\cal O}(\alpha)$ correcti
Publikováno v:
Nuclear Physics B. 875:18-44
We develop a new formalism for computing and including both the perturbative and nonperturbative QCD contributions to the scale evolution of average gluon and quark jet multiplicities. The new method is motivated by recent progress in timelike small-
Publikováno v:
Computer physics communications 206, 84-96 (2016). doi:10.1016/j.cpc.2016.04.017
We present the C++ program library mr that allows us to reliably calculate the values of the running parameters in the Standard Model at high energy scales. The initial conditions are obtained by relating the running parameters in the $\overline{\mat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b3c84ddb4bec73af722c54d43ef8618
https://bib-pubdb1.desy.de/record/302032
https://bib-pubdb1.desy.de/record/302032
Autor:
Bernd A. Kniehl
Publikováno v:
Journal of Physics G: Nuclear and Particle Physics. 29:111-120
We summarize the key results of a recent global analysis of inclusive single-charged-hadron production in high-energy colliding-beam experiments. In the framework of the parton model of quantum chromodynamics at next-to-leading order (NLO), fragmenta
Autor:
Bernd A. Kniehl, Lennart Zwirner
Publikováno v:
Nuclear Physics B. 637:311-344
We calculate the cross section of J/psi inclusive production in neutrino-nucleon deep-inelastic scattering via the weak neutral current within the factorization formalism of nonrelativistic quantum chromodynamics. Besides J/psi single production via
Publikováno v:
Physical review / D 89(11), 114016 (2014). doi:10.1103/PhysRevD.89.114016
We study the photoproduction of isolated prompt photons associated with hadron jets in the framework of the parton Reggeization approach. The cross section distributions in the transverse energies and pseudorapidities of the prompt photon and the jet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac6b568ad19c09caa6ef5945a7218bd4
https://bib-pubdb1.desy.de/record/171444
https://bib-pubdb1.desy.de/record/171444
Publikováno v:
Physical review letters 85(25), 5288-5291 (2000). doi:10.1103/PhysRevLett.85.5288
We present a new determination of the strong coupling constant alpha_s through the scaling violations in the fragmentation functions for charged pions, charged kaons, and protons. In our fit we include the latest e+e- annihilation data from CERN LEP1
Publikováno v:
The European Physical Journal C. 14:457-468
We examine how accurately the general HZV couplings, with V=Z,gamma, may be determined by studying e^+e^- --> Hff-bar processes at future e^+e^- linear colliders. By using the optimal-observable method, which makes use of all available experimental i