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The element |V_{ub}| of the quark mixing matrix can be extracted with small theoretical uncertainties by combining weighted integrals over the endpoint regions of the lepton spectrum in B -> X_u l nu decays and the photon spectrum in B ->…

High Energy Physics - Phenomenology · Physics 2014-11-17 Matthias Neubert

We present a measurement of the mass of the top quark from ppbar collisions at 1.96 TeV observed with the Collider Detector at Fermilab (CDF) at the Fermilab Tevatron Run II. The events have the decay signature of ppbar to ttbar in the…

High Energy Physics - Experiment · Physics 2007-05-23 Brian Mohr

A new method to measure the top-quark mass in high energetic hadron collisions is presented. We use theoretical predictions calculated at next-to-leading order accuracy in quantum chromodynamics to study the (normalized) differential…

High Energy Physics - Phenomenology · Physics 2015-06-15 Simone Alioli , Patricia Fernandez , Juan Fuster , Adrian Irles , Sven-Olaf Moch , Peter Uwer , Marcel Vos

The principal component analysis approach is employed to extract the principal components contained in nuclear mass models for the first time. The effects coming from different nuclear mass models are reintegrated and reorganized in the…

Nuclear Theory · Physics 2024-05-27 X. H. Wu , P. W. Zhao

The absolute neutrino masses are obtained in terms of the atmospheric and solar mass-squared differences within the framework of low energy phenomenology by suggestion of a quantitative analogy between the hierarchies of the neutrino and…

High Energy Physics - Phenomenology · Physics 2009-11-10 E. M. Lipmanov

Measurements of the top-quark mass employing alternative techniques are presented, performed by the D0 and CDF collaborations at the Tevatron as well as the ATLAS and CMS experiments at the LHC. The alternative methods presented include…

High Energy Physics - Experiment · Physics 2014-12-01 Stefanie Adomeit

The standard model taken with a momentum space cut-off may be viewed as an effective low energy theory. The structure of it and its known parameters can give us hints for relations between these parameters. In the present investigation the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Berthold Stech

The top quark mass measurements are based either on a direct kinematic reconstruction of the top quark decay products or on indirect measurements, where an observable sensitive to the top quark mass, such as the production cross section, is…

High Energy Physics - Experiment · Physics 2024-01-11 Mikael Myllymäki

The prevalence of null results in searches for new physics at the LHC motivates the effort to make these searches as model-independent as possible. We describe procedures for adapting the Matrix Element Method for situations where the…

High Energy Physics - Phenomenology · Physics 2015-06-19 Dipsikha Debnath , James S. Gainer , Konstantin T. Matchev

Using a Monte Carlo method, we have directly extracted from the available measurements, the hierarchies among the different elements of the quark mass matrices. To do that, we have first introduced a model independent parameterization for…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Caravaglios , P. Roudeau , A. Stocchi

The underlying structure of matter can be deeply probed via precision measurements of the mass of the \emph{top quark}, the most massive observed fundamental particle. Top quarks can be produced and studied only in collisions at high energy…

High Energy Physics - Experiment · Physics 2007-05-23 S. Whiteson , D. Whiteson

Based on a new approach (the so-called Yukawaon model) to the mass spectra and mixings, a neutrino mass matrix which is described in terms of the up-quark masses and CKM matrix parameters is proposed. The mass matrix successfully leads to a…

High Energy Physics - Phenomenology · Physics 2009-08-20 Yoshio Koide

I review promising approaches to neutrino mass models, focussing on three neutrino patterns of neutrino masses and mixing angles, and the corresponding Majorana mass matrices. I discuss the see-saw mechanism, and show how it may be applied…

High Energy Physics - Phenomenology · Physics 2015-06-25 S. F. King

Four simple but realistic patterns of quark mass matrices are derived from orbifold models of superstring theory in the absence of gauge symmetries. Two of them correspond to the Ramond-Roberts-Ross types, which have five texture zeros in…

High Energy Physics - Phenomenology · Physics 2009-10-30 T. Kobayashi , Z. Z. Xing

The latest measurements of the top quark mass obtained by the ATLAS and CMS experiments at the LHC for centre-of-mass energies of 7 and 8 TeV are presented. The mass of the top quark is measured using several methods and channels, including…

High Energy Physics - Experiment · Physics 2015-09-11 Sven Menke

This paper derives exponential tail bounds and polynomial moment inequalities for the spectral norm deviation of a random matrix from its mean value. The argument depends on a matrix extension of Stein's method of exchangeable pairs for…

Probability · Mathematics 2013-05-06 Daniel Paulin , Lester Mackey , Joel A. Tropp

We propose a novel method for analysis of experimental data obtained at relativistic nucleus-nucleus collisions. The method, based on the ideas of Random Matrix Theory, is applied to detect systematic errors that occur at measurements of…

High Energy Physics - Experiment · Physics 2009-11-11 E. I. Shahaliev , R. G. Nazmitdinov , A. A. Kuznetsov , M. K. Suleymanov , O. V. Teryaev

An algebraic method for evaluating bare nucleon matrix elements of quark operators is proposed. Thereby, bare nucleon matrix elements are traced back to vacuum matrix elements. The method is similar to the soft pion theorem. Matrix elements…

High Energy Physics - Phenomenology · Physics 2010-03-19 Sven Zschocke , Burkhard Kampfer , Guenter Plunien

Poyiadjis et al. (2011) show how particle methods can be used to estimate both the score and the observed information matrix for state space models. These methods either suffer from a computational cost that is quadratic in the number of…

Computation · Statistics 2015-09-07 Christopher Nemeth , Paul Fearnhead , Lyudmila Mihaylova

We give a complete analysis of indirect determinations of the top quark mass in the Standard Model by introducing a systematic procedure to identify observables that receive quantum corrections enhanced by powers of $M_t$. We propose to use…

High Energy Physics - Phenomenology · Physics 2016-01-27 Gian F. Giudice , Paride Paradisi , Alessandro Strumia
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