Interim Design Report

Abrams, R. J.; Agarwalla, S. K.; A., Alekou,; Andreopoulos, C.; Ankenbrandt, C.; Antusch, S.; Apollonio, M.; Aslaninejad, M.; Back, J.; Ballett, P.; Barker, G.; Beard, K. B.; Benedetto, E.; Bennett, J.R.J.; Berg, J. S.; Bhattacharya, S.; Blackmore, V.; Blennow, M.; Blondel, A.; Bogacz, A.; Bonesini, M.; Bontoiu, C.; Booth, C.; Bromberg, C.; Brooks, S.; Bross, A.; Caretta, O.; Cervera-Villanueva, A.; S., Choubey,; Cline, D.; Cobb, J.; Coloma, P.; Coney, L.; Cummings, M. A.C.; Davenne, T.; Gouvea, A. de; C., Densham,; Ding, X.; Donini, A.; Dornan, P.; Dracos, M.; Dufour, F.; Eccleston, R.; Edgecock, R.; I., Efthymiopoulos,; Ellis, M.; Fernández‐Martínez, E.; Fernow, R.; Flanagan, G.; Gallardo, J. C.; Gandhi, R.; Garoby, R.; Gavela, B.; Geer, S.; Gilardoni, S.; Gómez-Cadenas, J.J.; Goswami, S.; Graves, V. B.; Gupta, R.; Hanson, G.; Harrison, P.; Hart, T.; Hernandez, P.; Huber, P.; Indumathi, D.; Johnson, R. P.; Johnstone, C.; Karadzhov, Y.; Kelliher, D.; Kirk, H.; Kopp, J.; Kudenko, Y.; Kuno, Y.; A., Kurup,; Kyberd, P.; Laing, A.; Li, T.; Lindner, M.; Long, K.; Pavon, J. Lopez; Loveridge, P.; Machida, S.; Majumdar, D.; Maltoni, M.; Martin-Albo, J.; Martini, M.; Matev, R.; McDonald, K. T.; McFarland, A.; D., Meloni,; Mezzetto, M.; Migliozzi, P.; Mishra, S. R.; Mokhov, N.; Mondal, N.; Morfin, J.; Mori, Y.; Morozov, V.; Neuffer, D.; Ota, T.; Palladino, V.; Parke, S.; Pascoli, S.; J., Pasternak,; Peltoniemi, J.; Petti, R.; Planche, T.; Popovic, M.; Pozimski, J.; Prior, G.; Prior, C.; Rees, G.; Rigolin, S.; J., Roberts, T.; Roblin, Y.; Rogers, C.; Samulyak, R.; Schwetz, T.; Simos, N.; N., Sinha,; Skoro, G.; Snopok, P.; Soler, F. J. P.; Souchlas, N.; Strait, J.; D., Stratakis,; Striganov, S.; Tang, J.; Thomason, J. W. G.; Tortora, L.; Tsenov, R.; Winter, W.; Witte, H.; Yasuda, O.; Yoshikawa, C.; Zisman, M.

doi:10.48550/arxiv.1112.2853

Cited by 5 publications

(16 citation statements)

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“…Especially, in Eqn. (22), we note that the independent parameters of LUQ are associated with different oscillating terms. These frequencies(X 01 , X 12 , X 23 , X 03 ) will have different behavior for a sufficiently large baseline and high precision long baseline experiments, in which case, the oscillation probability(Eqn.…”

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confidence: 84%

“…The current neutrino oscillation experiments such as MINOS (with E/L ∼ 8 × 10 −4 eV 2 ) [6] and NOνA (with E/L ∼ 5 × 10 −4 eV 2 ) [21] are insensitive to the oscillation frequency X 12 . However, the condition E/L ∼ ∆m 2 12 can be realized in future neutrino factories [22] with L = (2000 − 7500) km and E = (1 − 10) GeV. So, one can get the information, only, on three (b, c, β) out of five independent geometrical parameters (b, c, α, β, γ) of LUQ making it impossible to construct LUQ and to measure of CP asymmetry.…”

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confidence: 99%

“…For the three generation case, assuming additional mixing angles to be extremely small, the oscillation probability obtained in Eqn. (22), can be written in term of three independent geometric parameters, c ′ , α ′ and γ ′ of unitarity triangle shown in Fig. (2).…”

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confidence: 99%

“…Eqn. (22) provide the oscillation probability in terms of five independent geometric parameters of the LUQ. From current neutrino oscillation data [20], |∆m 2 23 | = 2.45×10 −3 eV 2 , ∆m 2 12 = 7.50×10 −5 eV 2 and considering the case of E/L ∼ ∆m 2 12 we find that X 12 is O(1) and X 01 , X 03 >> 1.…”

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confidence: 99%

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Prospects for reconstruction of leptonic unitarity quadrangle and neutrino oscillation experiments

Verma

Bhardwaj

2016

Nuclear Physics B

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After the observation of non-zero θ 13 the goal has shifted to observe CP violation in the leptonic sector. Neutrino oscillation experiments can, directly, probe the Dirac CP phases. Alternatively, one can measure CP violation in the leptonic sector using Leptonic Unitarity Quadrangle(LUQ). The existence of Standard Model (SM) gauge singlets -sterile neutrinos -will provide additional sources of CP violation. We investigate the connection between neutrino survival probability and rephasing invariants of the 4 × 4 neutrino mixing matrix. In general, LUQ contain eight geometrical parameters out of which five are independent. We obtain CP asymmetry(P ν f →ν f ′ − Pν f →ν f ′ ) in terms of these independent parameters of the LUQ and search for the possibilities of extracting information on these independent geometrical parameters in short baseline(SBL) and long baseline(LBL) experiments, thus, looking for constructing LUQ and possible measurement of CP violation. We find that it is not possible to construct LUQ using data from LBL experiments because CP asymmetry is sensitive to only three of the five independent parameters of LUQ. However, for SBL experiments, CP asymmetry is found to be sensitive to all five independent parameters making it possible to construct LUQ and measure CP violation.

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confidence: 84%

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confidence: 99%

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confidence: 99%

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confidence: 99%

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Prospects for reconstruction of leptonic unitarity quadrangle and neutrino oscillation experiments

Verma

Bhardwaj

2016

Nuclear Physics B

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“…The continuous beam power from p-RCS is 3.4 MW. Only one other proton driver study (for a future Neutrino Factory) has performance close to this [57]. The high repetition rate of 25 Hz will shorten the beam filling time in the MSS.…”

Section: P-rcsmentioning

confidence: 97%

Design Concept for a Future Super Proton-Proton Collider

Tang

2022

Front. Phys.

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Following the discovery of the Higgs boson at the LHC in 2012, new large colliders are being considered and studied by the international high-energy community to explore the Higgs boson in details and to probe new physics beyond the Standard Model. In China, a two-stage circular collider project, CEPC-SPPC was proposed and is under study. The first stage, CEPC (Circular Electron Positron Collier, a so-called Higgs factory) is focused on the Higgs physics, and the second stage, SPPC (Super Proton-Proton Collider) will be an energy frontier collider and a discovery machine beyond the LHC. The two colliders will share a same tunnel of 100 km in circumference, with a goal of 250 GeV in center-of-mass for CEPC and 75 TeV for SPPC Phase-I and 125–150 TeV for the SPPC ultimate goal. This article presents the design concept of the SPPC and some study results about the key accelerator physics problems and technical issues, which include luminosity optimization, beam collimation, beam-beam effects, longitudinal beam dynamics, high-field magnets and beam screen.

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Connecting leptonic unitarity triangle to neutrino oscillation

Xu²

2014

Phys. Rev. D

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Leptonic unitarity triangle (LUT) provides a geometric description of CP violations in the leptonneutrino sector and is directly measurable in principle. In this work, we reveal that the angles in the LUT have definite physical meaning, and demonstrate the exact connection of the LUT to neutrino oscillations. For the first time, we prove that these leptonic angles act as phase shifts in neutrino oscillations, by shifting ∆m 2 L/2E to ∆m 2 L/2E +α , where (L, E, α) denote the baseline length, neutrino energy and corresponding angle of the LUT. Each LUT has three independent parameters and contains only partial information of the PMNS matrix. We demonstrate that the partial information in each LUT can describe the corresponding neutrino oscillation. Hence, for the first time, we uncover that any given kind of neutrino oscillations contain at most three (rather than four) independent degrees of freedom from the PMNS matrix. This may provide a cleaner way for fitting the corresponding oscillation data.PACS numbers: 14.60. Pq, 14.60.Lm, 12.15.Ff Phys. Rev. D (in Press) [arXiv:1311.4496]

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Interim Design Report

Cited by 5 publications

References 0 publications

Prospects for reconstruction of leptonic unitarity quadrangle and neutrino oscillation experiments

Prospects for reconstruction of leptonic unitarity quadrangle and neutrino oscillation experiments

Design Concept for a Future Super Proton-Proton Collider

Connecting leptonic unitarity triangle to neutrino oscillation

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