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Related papers: Hyperon production in quasielastic $\bar{\nu}_{\ta…

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We calculate the polarization of Lambda and Anti-Lambda particles produced in deep inelastic polarized lepton scattering. We use two models: the naive quark model and a model in which SU(3)$_F$ symmetry is used to deduce the spin structure…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. Ashery , H. J. Lipkin

We present the results for antineutrino induced quasielastic hyperon production from nucleon and nuclear targets \cite{Alam:2014bya,Singh:2006xp}. The inputs are the nucleon-hyperon(N--Y) transition form factors determined from the analysis…

High Energy Physics - Phenomenology · Physics 2016-11-23 M. Sajjad Athar , F. Akbar , M. Rafi Alam , S. Chauhan , S. K. Singh

Explicit formulas which describe muon pair production in reaction $\gamma\nu \to \mu^+ \mu^- \nu$ through neutrino magnetic moment are obtained and used to derive in the leading approximation cross section of muon pair production in $\nu…

High Energy Physics - Phenomenology · Physics 2009-10-31 I. V. Gaidaenko , V. A. Novikov , M. I. Vysotsky

The nuclear cross sections for charged lepton production induced by $\beta$ beam neutrinos (anti-neutrinos) in $^{16}$O have been presented at intermediate energies corresponding to the Lorentz boost factor $\gamma<250 (150)$. The…

Nuclear Theory · Physics 2008-11-26 S. K. Singh , M. Sajjad Athar , Shakeb Ahmad

By referring to the procedures developed in the preceeding paper, we re-analyze the L/E distribution for Fully Contained Events resulting from quasi-elatic scattering (QEL) obtained from the Super-Kamiokande Experiment in relation to their…

High Energy Physics - Experiment · Physics 2008-08-26 E. Konishi , Y. Minorikawa , V. I. Galkin , M. Ishiwata , I. Nakamura , N. Takahashi , M. Kato , A. Misaki

The occurrence of a significant amount of supersymmetric lepton flavour violation at laboratory energies, through $\tilde\nu_\mu - \tilde\nu_\tau$ mixing, has become a realistic possibility in the wake of the super-Kamiokande atmospheric…

High Energy Physics - Phenomenology · Physics 2009-01-07 M. Guchait , J. Kalinowski , P. Roy

There has been a recent surge in interest in the detection of $\tau$ lepton-induced air showers from detectors at altitude. When a $\tau$ neutrino ($\nu_\tau$) enters the Earth it produces $\tau$ leptons as a result of nuclear charged…

High Energy Astrophysical Phenomena · Physics 2018-01-31 Jaime Alvarez-Muñiz , Washington R. Carvalho , Kévin Payet , Andrés Romero-Wolf , Harm Schoorlemmer , Enrique Zas

The first observation of $\tau$ lepton pair production in ultraperipheral nucleus-nucleus collisions, a pure quantum electrodynamics (QED) process, is presented. The measurement is based on a data sample collected by the CMS experiment at a…

High Energy Physics - Experiment · Physics 2022-05-16 Arash Jofrehei

The charged current weak interaction can distinguish quark flavors, it provides a valid method to determine (transverse momentum dependent) parton distribution functions in high energy reactions by utilizing tagged hadrons. In this paper,…

High Energy Physics - Phenomenology · Physics 2025-05-21 Wenyan Yu , Weihua Yang , Xing-hua Yang

We study the production of transversely polarized Lambda hyperons in high-energy collisions of protons with large nuclei. The large gluon density of the target at saturation provides an intrinsic semi-hard scale which should naturally allow…

High Energy Physics - Phenomenology · Physics 2009-11-07 Daniel Boer , Adrian Dumitru

We studied polarization effects in tau production by neutrino-nucleon scattering. Quasi-elastic scattering, $Delta$ resonance production and deep inelastic scattering processes are taken into account for the CERN-to-Gran Sasso projects. We…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Hagiwara , K. Mawatari , H. Yokoya

Using a gauged flavor SU(3)-invariant hadronic Lagrangian, we calculate the cross sections for the strangeness-exchange reactions YY to N\Xi (Y=\Lambda, \Sigma) in the Born approximation. These cross sections are then used in the…

Nuclear Theory · Physics 2013-05-30 Feng Li , Lie-Wen Chen , Che Ming Ko , Su Houng Lee

We have studied the tau-lepton polarization in the charged current $\nu_\tau/\bar\nu_\tau$ induced deep inelastic scattering (DIS) from the free nucleon as well as off the nuclear targets that are being used in ongoing and proposed…

High Energy Physics - Phenomenology · Physics 2023-07-25 F. Zaidi , M. Sajjad Athar , S. K. Singh

We have studied quasielastic charged current hyperon production induced by $\bar\nu_\mu$ on free nucleon and the nucleons bound inside the nucleus and the results are presented for several nuclear targets like $^{40}Ar$, $^{56}Fe$ and…

High Energy Physics - Phenomenology · Physics 2015-10-28 S. K. Singh , M. Sajjad Athar , M. Rafi Alam , Shikha Chauhan , E. Hernández , J. Nieves , M. Valverde , M. J. Vicente Vacas

Kinematics restrict the ability of rare charm decays to explore the charged Lepton Flavor Violation processes mediated by the quark-level $c\to u \ell \tau$ transition. To fill the gap, we propose exploring new physics (NP) through the…

High Energy Physics - Phenomenology · Physics 2024-04-09 Xin-Shuai Yan , Liang-Hui Zhang , Qin Chang , Ya-Dong Yang

In recent years, intriguing hints for the violation of Lepton Flavour Universality (LFU) have been accumulated in semileptonic $B$ decays, both in the neutral-current transitions $b\to s\ell^+\ell^-$ (i.e., $R_K$ and $R_{K^*}$) and the…

High Energy Physics - Phenomenology · Physics 2018-05-09 Bernat Capdevila , Andreas Crivellin , Sébastien Descotes-Genon , Lars Hofer , Joaquim Matias

A study of mu-tau conversion via the deep inelastic scattering process \mu N -> \tau X, with N a nucleon, is performed taking into account the effects from both spin-0 and spin-1 unparticles with lepton flavor violating (LFV) couplings.…

High Energy Physics - Phenomenology · Physics 2013-01-07 A. Bolaños , A. Fernandez , A. Moyotl , G. Tavares-Velasco

The phenomenon of superscaling for quasielastic lepton induced reactions at energies of a few GeV is investigated within the framework of the relativistic impulse approximation. A global analysis of quasielastic inclusive electron and…

Nuclear Theory · Physics 2009-11-11 J. A. Caballero

We calculate $\Lambda$ and $\bar{\Lambda}$ hadron production cross sections in charged lepton semi-inclusive deep-inelastic scattering off nuclear target ($A$, using iron $\mathrm{Fe}$ as an example) and deuteron ($D$) target. The results…

Nuclear Theory · Physics 2018-07-04 Chang Gong , Bo-Qiang Ma

It is shown that the $\bar{\Lambda}/\Lambda$ cross section ratio in semi-inclusive electroproduction of $\Lambda$ and $\bar{\Lambda}$ hyperons in deep inelastic scattering of charged lepton on a nucleon target, can provide useful…

High Energy Physics - Phenomenology · Physics 2015-06-25 Bo-Qiang Ma , Ivan Schmidt , Jian-Jun Yang