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Super Rosenbluth experiments, elastic electron-proton scattering experiments that eschew traditional electron detection and opt instead for the detection of the recoiling proton, have several experimental advantages. One claimed advantage…

High Energy Physics - Phenomenology · Physics 2024-11-20 Quinn Stefan , Axel Schmidt

The behavior of the proton magnetic form factor is studied within the modified hard scattering picture, which takes into account gluonic radiative corrections in terms of transverse separations. We parallel the analysis given previously by…

High Energy Physics - Phenomenology · Physics 2009-09-25 J. Bolz , R. Jakob , P. Kroll , M. Bergmann , N. G. Stefanis

We present lattice-QCD results for the electromagnetic form factors of the proton and neutron including both quark-connected and -disconnected contributions. The parametrization of the $Q^2$-dependence of the form factors is combined with…

High Energy Physics - Lattice · Physics 2024-05-24 Dalibor Djukanovic , Georg von Hippel , Harvey B. Meyer , Konstantin Ottnad , Miguel Salg , Hartmut Wittig

Proton radiography has proved increasingly successful as a diagnostic for electric and magnetic fields in high energy density physics experiments. Most experiments use target-normal-sheath-acceleration sources with a wide energy range in…

Plasma Physics · Physics 2021-07-16 Christopher Arran , Christopher P. Ridgers , Nigel C. Woolsey

We discuss the role of the so-called Darwin-Foldy term in the evaluation of the proton and deuteron charge radii from atomic hydrogen spectroscopy and nuclear scattering data. The question of whether this term should be included or excluded…

Atomic Physics · Physics 2012-06-29 U. D. Jentschura

We perform a systematic analysis of neutron star radius constraints from five quiescent low-mass X-ray binaries and examine how they depend on measurements of their distances and amounts of intervening absorbing material, as well as their…

High Energy Astrophysical Phenomena · Physics 2014-03-20 James M. Lattimer , Andrew W. Steiner

Calibrating for direction-dependent ionospheric distortions in visibility data is one of the main technical challenges that must be overcome to advance low-frequency radio astronomy. In this paper, we propose a novel probabilistic,…

Instrumentation and Methods for Astrophysics · Physics 2020-01-15 J. G. Albert , M. S. S. L. Oei , R. J. van Weeren , H. T. Intema , H. J. A. Röttgering

Many real world problems exhibit patterns that have periodic behavior. For example, in astrophysics, periodic variable stars play a pivotal role in understanding our universe. An important step when analyzing data from such processes is the…

Machine Learning · Computer Science 2012-08-20 Yuyang Wang , Roni Khardon , Pavlos Protopapas

There is a significant discrepancy between the values of the proton electric form factor, $G_E^p$, extracted using unpolarized and polarized electron scattering. Calculations predict that small two-photon exchange (TPE) contributions can…

Nuclear Experiment · Physics 2015-06-23 D. Adikaram , D. Rimal , L. B. Weinstein , B. Raue , P. Khetarpal , R. P. Bennett , J. Arrington , W. K. Brooks , K. P. Adhikari , A. V. Afanasev , M. J. Amaryan , M. D. Anderson , J. Ball , M. Battaglieri , I. Bedlinskiy , A. S. Biselli , J. Bono , S. Boiarinov , W. J. Briscoe , V. D. Burkert , D. S. Carman , A. Celentano , S. Chandavar , G. Charles , L. Colaneri , P. L. Cole , M. Contalbrigo , A. D'Angelo , N. Dashyan , R. De Vita , E. De Sanctis , A. Deur , C. Djalali , G. E. Dodge , R. Dupre , H. Egiyan , A. El Alaoui , L. El Fassi , P. Eugenio , G. Fedotov , S. Fegan , A. Filippi , J. A. Fleming , A. Fradi , G. P. Gilfoyle , K. L. Giovanetti , F. X. Girod , J. T. Goetz , W. Gohn , E. Golovatch , R. W. Gothe , K. A. Griffioen , M. Guidal , L. Guo , K. Hafidi , H. Hakobyan , N. Harrison , M. Hattawy , K. Hicks , M. Holtrop , S. M. Hughes , C. E. Hyde , Y. Ilieva , D. G. Ireland , B. S. Ishkhanov , D. Jenkins , H. Jiang , K. Joo , S. Joosten , M. Khandaker , W. Kim , A. Klein , F. J. Klein , S. Koirala , V. Kubarovsky , S. E. Kuhn , H. Y. Lu , I . J . D. MacGregor , N. Markov , M. Mayer , B. McKinnon , M. D. Mestayer , C. A. Meyer , M. Mirazita , V. Mokeev , R. A. Montgomery , C. I. Moody , H. Moutarde , A Movsisyan , C. Munoz Camacho , P. Nadel-Turonski , S. Niccolai , G. Niculescu , M. Osipenko , A. I. Ostrovidov , K. Park , E. Pasyuk , S. Pisano , O. Pogorelko , S. Procureur , Y. Prok , D. Protopopescu , A. J. R. Puckett , M. Ripani , A. Rizzo , G. Rosner , P. Rossi , F. Sabatié , D. Schott , R. A. Schumacher , Y. G. Sharabian , A. Simonyan , I. Skorodumina , E. S. Smith , G. D. Smith , D. I. Sober , N. Sparveris , S. Stepanyan , S. Strauch , V. Sytnik , M. Taiuti , Ye Tian , A. Trivedi , M. Ungaro , H. Voskanyan , E. Voutier , N. K. Walford , D. P. Watts , X. Wei , M. H. Wood , N. Zachariou , L. Zana , J. Zhang , Z. W. Zhao , I. Zonta , The CLAS Collaboration

With Bayesian inference, we investigate the impact of recent near-threshold $J/\psi$ production measurements by the $J/\psi$ 007 experiment and GlueX collaboration on the extraction of proton's gravitational form factors. We apply the…

High Energy Physics - Phenomenology · Physics 2025-02-12 Yuxun Guo , Feng Yuan , Wenbin Zhao

Proton radiography is a technique extensively used to resolve magnetic field structures in high energy density plasmas, revealing a whole variety of interesting phenomena such as magnetic reconnection and collisionless shocks found in…

The neutron radius of a heavy nucleus is a fundamental nuclear-structure observable that remains elusive. Progress in this arena has been limited by the exclusive use of hadronic probes that are hindered by large and controversial…

Nuclear Theory · Physics 2008-11-26 J. Piekarewicz

Electromagnetic form factors of proton and neutron, obtained from a new fit of data, are presented. The proton form factors are obtained from a simultaneous fit to the ratio $\mu_p G_{Ep}/G_{Mp}$ determined from polarization transfer…

High Energy Physics - Phenomenology · Physics 2009-07-09 W. M. Alberico , S. M. Bilenky , C. Giunti , K. M. Graczyk

Being able to rigorously quantify the uncertainties in reaction models is crucial to moving this field forward. Even though Bayesian methods are becoming increasingly popular in nuclear theory, they are yet to be implemented and applied in…

Nuclear Theory · Physics 2018-07-18 A. E. Lovell , F. M. Nunes

Proton radiography is a central diagnostic technique for measuring electromagnetic (EM) fields in high-energy-density, laser-produced plasmas. In this technique, protons traverse the plasma where they accumulate small EM deflections which…

Recently, it was noted that absorptive corrections to the electromagnetic form factor in high-energy proton-proton scattering are important for the theoretical interpretation of the $p^\uparrow{p}$ and $p^\uparrow{A}$ analyzing power…

High Energy Physics - Phenomenology · Physics 2024-09-18 Andrei Poblaguev

I discuss the scope and naturalness of the proton mass decomposition (or sum rule) published in PRL74, 1071 (1995) and answer a few criticisms that appeared recently in the literature, focusing particularly on its interpretation and the…

High Energy Physics - Phenomenology · Physics 2021-03-09 Xiangdong Ji

The increased sensitivity of future radio telescopes will result in requirements for higher dynamic range within the image as well as better resolution and immunity to interference. In this paper we propose a new matrix formulation of the…

Astrophysics · Physics 2014-11-18 Chen Ben-David , Amir Leshem

The "proton size puzzle" and the "muon anomalous moment problem" are incomplete descriptions of significant discrepancies of Standard Model calculations with experiments. What is particularly new is that the experiments and theory confront…

High Energy Physics - Phenomenology · Physics 2016-06-21 John Craig Martens , John P. Ralston

Ground-state hyperfine splittings in hydrogen and muonium are very well measured. Their difference, after correcting for magnetic moment and reduced mass effects, is due solely to proton structure--the large QED contributions for a…

High Energy Physics - Phenomenology · Physics 2009-09-11 S. J. Brodsky , C. E. Carlson , J. R. Hiller , D. S. Hwang
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