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Related papers: Nucleon spin structure measurements at Jefferson L…

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A wide range of nucleon and nuclear structure experiments in Jefferson Lab's Hall A require precise, continuous measurements of the polarization of the electron beam. In our Compton polarimeter, electrons are scattered off photons in a…

Instrumentation and Detectors · Physics 2011-09-29 D. Parno , M. Friend , F. Benmokhtar , G. Franklin , R. Michaels , S. Nanda , B. Quinn , P. Souder

We present a nucleon structure analysis including local isovector charges as well as twist-2 operator insertions. Computations are performed on CLS ensembles with $N_f=2+1$ Wilson fermions, covering four values of the lattice spacing and…

High Energy Physics - Lattice · Physics 2018-11-27 Konstantin Ottnad , Tim Harris , Harvey Meyer , Georg von Hippel , Jonas Wilhelm , Hartmut Wittig

The Generalized Parton Distributions (GPD) have drawn a lot of interest from the theoretical community since 1997, but also from the experimental community and especially at Jefferson Lab. First, the results for Deeply Virtual Compton…

High Energy Physics - Experiment · Physics 2017-08-23 F. Sabatie

We summarize the physics topics which can be addressed by measurements of high-Q^2 exclusive electroproduction of strange mesons, gamma* N -> phi N, K* Lambda, K Lambda, K Sigma, at Jefferson Lab with 11 GeV beam energy. The proposed…

High Energy Physics - Phenomenology · Physics 2008-04-04 M. Strikman , C. Weiss

Neutrino experiments at J-PARC are reviewed. After an introduction to neutrino physics, with emphasis on neutrino oscillation, the T2K experiment at the Main Ring neutrino beam line and its peripheral experiments are introduced. Also future…

High Energy Physics - Experiment · Physics 2021-04-14 Masahiro Kuze

We investigate the spin structure of the nucleon in an extended Jaffe-Lipkin quark model. In addition to the conventional $3q$ structure, different $(3q)(Q\bar{Q})$ admixtures in the nucleon wavefunction are also taken into account. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 Bo-Qiang Ma , Ivan Schmidt , Jian-Jun Yang

To probe CP violation in the leptonic sector using GeV energy neutrino beams in current and future experiments using argon detectors, precise models of the complex underlying neutrino and antineutrino interactions are needed. The E12-14-012…

The Spin Physics Detector (SPD) at the Nuclotron based Ion Collider fAcility (NICA) is a multi-purpose experiment designed to study nucleon spin structure in the three dimensions. With capabilities to collide polarized protons and deuterons…

High Energy Physics - Experiment · Physics 2023-10-06 Alexey Guscov , Amaresh Datta , Anton Karpishkov , Igor Denisenko , Vladimir Saleev

The experiment E94-107 in Hall A at Jefferson Lab started a systematic study of high resolution hypernuclear spectroscopy in the 0p-shell region of nuclei such as the hypernuclei produced in electroproduction on 9Be, 12C and 16O targets. In…

The JSNS$^2$ experiment aims to search for the existence of neutrino oscillations with $\Delta {\rm m}^2$ near 1 eV$^2$ at the J-PARC Materials and Life Science Experimental Facility (MLF). A 3~GeV 1~MW proton beam incident on a mercury…

Instrumentation and Detectors · Physics 2018-11-09 Carsten Rott

We present a study of the prospects for coherence preservation in solid-state spin qubits using dynamical decoupling protocols. Recent experiments have provided the first demonstrations of multipulse dynamical decoupling sequences in this…

Mesoscale and Nanoscale Physics · Physics 2013-05-29 M. J. Biercuk , H. Bluhm

Precise neutrino--nucleus interaction measurements in the sub-multi GeV region are important to reduce the systematic uncertainty in future neutrino oscillation experiments. Furthermore, the excess of ${\nu_e}$ interactions, as a possible…

Due to the lack of free neutron targets, studies of the structure of the neutron are typically made by scattering electrons from either $^2$H or $^3$He targets. In order to extract useful neutron information from a $^3$He target, one must…

We report on the first measurement of the beam-spin asymmetry in the exclusive process of coherent deeply virtual Compton scattering off a nucleus. The experiment used the 6 GeV electron beam from the CEBAF accelerator at Jefferson Lab…

Nuclear Experiment · Physics 2017-11-22 M. Hattawy , N. A. Baltzell , R. Dupré , K. Hafidi , S. Stepanyan , S. Bültmann , R. De Vita , A. El Alaoui , L. El Fassi , H. Egiyan , F. X. Girod , M. Guidal , D. Jenkins , S. Liuti , Y. Perrin , B. Torayev , E. Voutier , K. P. Adhikari , S. Adhikari , D. Adikaram , Z. Akbar , M. J. Amaryan , S. Anefalos Pereira , Whitney R. Armstrong , H. Avakian , J. Ball , M. Bashkanov , M. Battaglieri , V. Batourine , I. Bedlinskiy , A. S. Biselli , S. Boiarinov , W. J. Briscoe , W. K. Brooks , V. D. Burkert , Frank Thanh Cao , D. S. Carman , A. Celentano , G. Charles , T. Chetry , G. Ciullo , L. Clark , L. Colaneri , P. L. Cole , M. Contalbrigo , O. Cortes , V. Crede , A. D'Angelo , N. Dashyan , E. De Sanctis , A. Deur , C. Djalali , L. Elouadrhiri , P. Eugenio , G. Fedotov , S. Fegan , R. Fersch , A. Filippi , J. A. Fleming , T. A. Forest , A. Fradi , M. Garçon , N. Gevorgyan , Y. Ghandilyan , G. P. Gilfoyle , K. L. Giovanetti , C. Gleason , W. Gohn , E. Golovatch , R. W. Gothe , K. A. Griffioen , L. Guo , H. Hakobyan , C. Hanretty , N. Harrison , D. Heddle , K. Hicks , M. Holtrop , S. M. Hughes , D. G. Ireland , B. S. Ishkhanov , E. L. Isupov , H. Jiang , K. Joo , S. Joosten , D. Keller , G. Khachatryan , M. Khachatryan , M. Khandaker , A. Kim , W. Kim , A. Klein , F. J. Klein , V. Kubarovsky , S. E. Kuhn , S. V. Kuleshov , L. Lanza , P. Lenisa , K. Livingston , H. Y. Lu , I . J . D. MacGregor , N. Markov , M. Mayer , M. E. McCracken , B. McKinnon , C. A. Meyer , Z. E. Meziani , T. Mineeva , M. Mirazita , V. Mokeev , R. A. Montgomery , H. Moutarde , A Movsisyan , C. Munoz Camacho , P. Nadel-Turonski , L. A. Net , S. Niccolai , G. Niculescu , I. Niculescu , M. Osipenko , A. I. Ostrovidov , M. Paolone , R. Paremuzyan , K. Park , E. Pasyuk , E. Phelps , W. Phelps , S. Pisano , O. Pogorelko , J. W. Price , Y. Prok , D. Protopopescu , M. Ripani , B. G. Ritchie , A. Rizzo , G. Rosner , P. Rossi , F. Sabatié , C. Salgado , R. A. Schumacher , E. Seder , Y. G. Sharabian , A. Simonyan , Iu. Skorodumina , G. D. Smith , D. Sokhan , N. Sparveris , S. Strauch , M. Taiuti , M. Ungaro , H. Voskanyan , N. K. Walford , D. P. Watts , X. Wei , L. B. Weinstein , M. H. Wood , N. Zachariou , L. Zana , J. Zhang , Z. W. Zhao

I discuss recent results on the electroproduction and photoproduction of mesons in the region of non-strange baryon resonances. Results on the quadrupole transition from the ground state nucleon to the Delta(1232) show the importance of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Volker D. Burkert

Recent results from Jefferson Lab on measurement of inclusive double polarization asymmetries in the nucleon resonance region are discussed. Preliminary results on the first moment of the structure function g_1(x,Q^2) for protons, and on…

Nuclear Experiment · Physics 2008-11-26 Volker D. Burkert

The spin-structure functions $g_1$ and $g_2$, and the spin-dependent partial cross-section $\sigma_\mathrm{TT}$ have been extracted from the polarized cross-sections differences, $\Delta…

Double-polarization asymmetries for inclusive $ep$ scattering were measured at Jefferson Lab using 2.6 and 4.3 GeV longitudinally polarized electrons incident on a longitudinally polarized NH$_3$ target in the CLAS detector. The polarized…

Nuclear Experiment · Physics 2010-04-06 R. Fatemi , A. V. Skabelin , V. D. Burkert , D. Crabb , R. De Vita , S. E. Kuhn , R. Minehart , CLAS Collaboration

We review recent theoretical and experimental advances toward understanding the effects of nuclear spins in confined nanostructures. These systems, which include quantum dots, defect centers, and molecular magnets, are particularly…

Mesoscale and Nanoscale Physics · Physics 2009-09-15 W. A. Coish , J. Baugh

We analyze nuclear spin dynamics in quantum dots and defect centers with a bound electron under electron-mediated coupling between nuclear spins due to the hyperfine interaction ("J-coupling" in NMR). Our analysis shows that the Overhauser…

Mesoscale and Nanoscale Physics · Physics 2008-11-04 D. Klauser , W. A. Coish , Daniel Loss