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We compare the physics potential of two representative options for a SuperBeam in Europe, studying the achievable precision at 1\sigma with which the CP violation phase (\delta) could be measured, as well as the mass hierarchy and CP…

高能物理 - 唯象学 · 物理学 2015-06-05 Pilar Coloma , Enrique Fernandez-Martinez , Luis Labarga

We introduce "CP trajectory diagram in bi-probability space" as a powerful tool for pictorial representation of the genuine CP and the matter effects in neutrino oscillations. Existence of the correlated ambiguity in a determination of CP…

高能物理 - 唯象学 · 物理学 2009-11-07 Hisakazu Minakata , Hiroshi Nunokawa

We explore the physics reach of several possible configurations for a Super-Beam experiment in Europe, focusing on the possibilities of discovering $\theta_{13}$, CP violation in the leptonic sector and the ordering of neutrino mass…

高能物理 - 唯象学 · 物理学 2011-10-13 Pilar Coloma , Tracey Li , Silvia Pascoli

In this talk, we present the physics case for a megaton Water Cerenkov detector in addressing some of the still pending questions in neutrino oscillations physics, particularly the measurement of leptonic CP violation. We compare different…

高能物理 - 唯象学 · 物理学 2007-05-23 E. Couce

The large value of theta(13) recently measured by rector and accelerator experiments opens unprecedented opportunities for precision oscillation physics. In this paper, we reconsider the physics reach of medium baseline superbeams. For…

高能物理 - 唯象学 · 物理学 2015-06-11 S. Dusini , A. Longhin , M. Mezzetto , L. Patrizii , M. Sioli , G. Sirri , F. Terranova

The Beta Beam CERN design is based on the present LHC injection complex and its physics reach is mainly limited by the maximum rigidity of the SPS. In fact, some of the scenarios for the machine upgrades of the LHC, particularly the…

高能物理 - 唯象学 · 物理学 2011-09-13 A. Donini , E. Fernandez-Martinez , P. Migliozzi , S. Rigolin , L. Scotto Lavina , T. Tabarelli de Fatis , F. Terranova

We propose to measure the CP phase $\delta_{\rm CP}$, the magnitude of the neutrino mixing matrix element $|U_{e3}|$ and the sign of the atmopheric scale mass--squared difference $\Delta{\rm m}^2_{31}$ with a superbeam by the joint analysis…

高能物理 - 唯象学 · 物理学 2009-11-07 K. Whisnant , Jin Min Yang , Bing-Lin Young

We examine the sensitivity to \nu_\mu --> \nu_e of a conceptual neutrino experiment that involves a neutrino superbeam, a Megaton-scale water Cherekov detector, and a "magic" baseline ~7300 km. With realistic beam intensity and exposure…

高能物理 - 实验 · 物理学 2007-05-23 A. Asratyan , G. Davidenko , A. Dolgolenko , V. Kaftanov , M. Kubantsev , V. Verebryusov

The Daya Bay and RENO experiments have recently observed a non-zero $\theta_{13}$ at more than $5\sigma$ CL. This has important consequences for future neutrino oscillation experiments. We analyze these within the LAGUNA design study which…

高能物理 - 唯象学 · 物理学 2012-06-19 Pilar Coloma , Tracey Li , Silvia Pascoli

We examine the reach of a Beta-beam experiment with two detectors at carefully chosen baselines for exploring neutrino mass parameters. Locating the source at CERN, the two detectors and baselines are: (a) a 50 kton iron calorimeter (ICAL)…

高能物理 - 唯象学 · 物理学 2008-11-26 Sanjib Kumar Agarwalla , Sandhya Choubey , Amitava Raychaudhuri

We explore as clearly as possible the features of neutrino oscillation which are relevant for measurements of the CP violating Kobayashi-Maskawa phase delta and the sign of \Delta m^2_{13}. We focus on the so called low-energy option and…

高能物理 - 唯象学 · 物理学 2010-02-03 Hisakazu Minakata , Hiroshi Nunokawa

Beta Beams are designed to produce pure (anti)electron neutrino beams and could be an elegant and powerful option for the search of leptonic CP violating processes. In this paper will be quantified the physics reach of a CERN based Beta…

高能物理 - 实验 · 物理学 2008-11-26 Mauro Mezzetto

An optimization of the CERN SPL beam line has been performed guided by the sensitivities to the \theta_{13} mixing angle and to the \delta_{CP} Dirac CP violating phase. A UNO-like 440 ktons water Cerenkov detector located at 130 km from…

高能物理 - 实验 · 物理学 2009-01-07 Jean Eric Campagne , Antoine Cazes

A $\beta$-beam with maximum $\gamma=150$ (for $\helio$ ions) or $\gamma=250$ (for $\neon$) could be achieved at the CERN-SPS. We study the sensitivity to $\theta_{13}$ and $\delta$ of such a beam as function of $\gamma$, optimizing with the…

高能物理 - 唯象学 · 物理学 2010-04-06 J. Burguet-Castell , D. Casper , E. Couce , J. J. Gomez-Cadenas , P. Hernandez

I consider a high-Q beta beam peaking at multi-GeV energy for the baseline CERN-Pyh\"asalmi, with the length of 2288 km, using LENA, a 50 kton liquid scintillator as the far detector. The beta beam is assumed to be accompanied by a…

高能物理 - 唯象学 · 物理学 2009-11-30 Juha Peltoniemi

We present an optimization procedure for neutrino beams which could be produced at CERN and aimed to a set of seven possible underground sites in Europe with distances ranging from 130 km to 2300 km. Studies on the feasibility of a next…

仪器与探测器 · 物理学 2012-06-20 A. Longhin

A water \v{C}erenkov detector project, of megaton scale, to be installed in the Fr\'ejus underground site and dedicated to nucleon decay, neutrinos from supernovae, solar and atmospheric neutrinos, as well as neutrinos from a super-beam…

Performances of a neutrino beam generated by the CERN SPL proton driver are computed considering a 440 kton water Cerenkov detector at 130 km from the target. $\theta_{13}$ sensitivity down to $1.2^\circ$ and a $\delta$ sensitivity…

高能物理 - 实验 · 物理学 2008-11-26 M. Mezzetto

A high-power neutrino superbeam experiment at the ESS facility has been proposed such that the source-detector distance falls at the second oscillation maximum, giving very good sensitivity towards establishing CP violation. In this work,…

高能物理 - 唯象学 · 物理学 2015-06-19 Sanjib Kumar Agarwalla , Sandhya Choubey , Suprabh Prakash

We discuss the prospects of exploring the neutrino mass parameters with a CERN based Beta-beam experiment using two different detectors at two different baselines. The proposed set-up consists of a 50 kton iron calorimeter (ICAL) at a…

高能物理 - 唯象学 · 物理学 2009-04-14 Sanjib Kumar Agarwalla , Sandhya Choubey , Amitava Raychaudhuri
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