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Nuclear effects and QCD perturbative corrections to the Paschos-Wolfenstein relationship are discussed. We argue that perturbative corrections largely cancel out in this relationship for total cross sections while the neutron excess…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. A. Kulagin

The NuTeV collaboration reported anomalously large weak mixing angle sin^2 theta_W in comparison with the standard model prediction. Neutrino and antineutrino charged- and neutral-current events are analyzed for extracting sin^2 theta_W.…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Kumano

A recent experiment by the NuTeV collaboration resulted in a surprisingly high value for the weak mixing angle $\sin^2 \theta_W$. The Paschos-Wolfenstein relation, relating neutrino cross sections to the Weinberg angle, is of pivotal…

Nuclear Theory · Physics 2009-11-11 C. Praet , N. Jachowicz , P. Lava , J. Ryckebusch

The NuTeV experiment at Fermilab presents a determination of the electroweak mixing angle. High purity, large statistics samples of muon-neutrino and muon-antineutrino events allow the use of the Paschos-Wolfenstein relation. This…

We study the nuclear medium effects and nonisoscalarity correction in the extraction of weak mixing angle sin$^2\theta_W$ using Paschos-Wolfenstein (PW) relation. The calculations are performed for the iron nucleus. The results are…

Nuclear Theory · Physics 2013-11-04 H. Haider , I. Ruiz Simo , M. Sajjad Athar

The Paschos-Wolfenstein (PW) relation joins neutral- and charged-current neutrino- and antineutrino-induced cross sections into an expression that depends on the weak mixing angle $\sin^2 \theta_W$. Contrary to the traditional approach with…

Nuclear Theory · Physics 2008-11-26 C. Praet , N. Jachowicz , J. Ryckebusch , P. Vancraeyveld , K. Vantournhout

We have studied nonisoscalarity and medium effects in the extraction of weak mixing angle using Paschos and Wolfenstein relation in the iron nucleus. Paschos and Wolfenstein(PW) relation is valid for an isoscalar target. We have modified…

Nuclear Theory · Physics 2013-03-26 H. Haider , I. Ruiz Simo , M. Sajjad Athar

In a recent comment, Miller and Thomas assert that differences in nuclear shadowing effects between neutrino neutral current (NC) and charged current (CC) interactions could explain the difference between NuTeV's measurement of the weak…

High Energy Physics - Experiment · Physics 2011-02-19 The NuTeV Collaboration , G. P. Zeller , K. S. McFarland

The modification of the Paschos-Wolfenstein relation is investigated when the charge symmetry violations of valence and sea quark distributions in the nucleon are taken into account. We also study qualitatively the impact of charge symmetry…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yong Ding , Bo-Qiang Ma

The NuTeV experiment at Fermilab presents a determination of the electroweak mixing angle. High purity, large statistics samples of muon-neutrino and muon-antineutrino events allow the use of the Paschos-Wolfenstein relation, a technique…

High Energy Physics - Experiment · Physics 2007-05-23 NuTeV Collaboration , G. P. Zeller

We present a systematic study of the sensitivity of quasielastic neutrino-nucleus cross sections at intermediate energies to the strange quark sea of the nucleon. To this end, we investigate the impact of the weak strangeness form factors…

Nuclear Theory · Physics 2008-11-26 N. Jachowicz , P. Vancraeyveld , P. Lava , C. Praet , J. Ryckebusch

We have studied nuclear medium effects in the weak structure functions $F^A_2(x)$ and $F^A_3(x)$ and in the extraction of weak mixing angle using Paschos Wolfenstein(PW) relation. We have modified the PW relation for nonisoscalar nuclear…

Nuclear Theory · Physics 2013-11-12 M. Sajjad Athar , H. Haider , I Ruiz Simo , M. J. Vicente Vacas

A recently completed next-to-leading-order program to calculate neutrino cross sections, including power-suppressed mass correction terms, has been applied to evaluate the Paschos-Wolfenstein relation, in order to quantitatively assess the…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. Kretzer , F. Olness , J. Pumplin , M. H. Reno , D. Stump , W. K. Tung

The NuTeV Collaboration reported a value of $\sin^{2}\theta_{w}$ measured in neutrino-nucleon deep inelastic scattering, and found that the value is three standard deviations from the standard model prediction. This result is obtained under…

High Energy Physics - Phenomenology · Physics 2009-11-10 Yong Ding , Bo-Qiang Ma

The NuTeV Collaboration has measured the electroweak parameters sin^2 theta_W and rho in neutrino-nucleon deep-inelastic scattering using a sign-selected beam. The nearly pure neutrino or antineutrino beams that result provide many of the…

High Energy Physics - Experiment · Physics 2009-11-07 R. H. Bernstein

We report the measurement of sin2thetaW in neutrino-nucleon deep inelastic scattering from the NuTeV experiment. Using separate neutrino and anti-neutrino beams, NuTeV is able to determine sin2thetaW with low systematic errors by measuring…

We study the impact of nuclear effects on the extraction of the weak-mixing angle $\sin^2\theta_W$ from deep inelastic (anti-)neutrino-nucleus scattering, with special emphasis on the recently announced NuTeV Collaboration 3$\sigma$…

High Energy Physics - Phenomenology · Physics 2009-11-07 Sergey Kovalenko , Ivan Schmidt , Jian-Jun Yang

We investigate the neutral-current neutrino-nucleon deep inelastic scattering with particular emphasis on short-range correlation and EMC effect, as well as their impact on the weak-mixing angle $\sin^2\theta_W$ determination. The ratios of…

High Energy Physics - Phenomenology · Physics 2023-05-29 Xing-Hua Yang , Fei Huang , Ji Xu

By studying the Paschos-Wolfenstein (PW) ratio of deep inelastic $\nu{\rm Fe}$ and $\bar \nu{\rm Fe}$ scattering cross sections, we show that it should be possible to explain the NuTeV $\sin ^2 \theta_{\rm W}$ anomaly with quite…

High Energy Physics - Phenomenology · Physics 2009-11-11 K. J. Eskola , H. Paukkunen

Neutrino telescopes like IceCube, KM3NeT and Baikal-GVD offer physicists the opportunity to study neutrinos with energies far beyond the reach of terrestrial accelerators. These neutrinos are used to study high-energy neutrino interactions…

High Energy Physics - Phenomenology · Physics 2020-08-05 Spencer R. Klein , Sally A. Robertson , Ramona Vogt
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