Results 131 to 140 of about 274,150 (265)

A comparative analysis of GEANT4, MCNP6 and FLUKA on proton‐induced gamma‐ray simulation

Medical Physics, Volume 52, Issue 6, Page 4862-4870, June 2025.
Abstract Background Precise range verification is essential in proton therapy to minimize treatment margins due to the steep dose fall‐off of proton beams. The emission of secondary radiation from nuclear reactions between incident particles and tissues stands out as a promising method for range verification. Two prominent techniques are PET and Prompt
Hugo Freitas, Esmaeil Nobakht, Florian Grüner, Joao Seco   +3 more
wiley   +1 more source

Dalitz plot studies of D0 → KS0π+π− decays

EPJ Web of Conferences, 2012
The availaible data on the D0 → KS0π+π− decays are analysed in the framework of the quasi two-body QCD factorization approximation. The annihilation, via Wexchange, amplitudes are added to the weak-decay tree amplitudes.
Loiseau B., Dedonder J.-P., Furman A., Kamiński R., Leśniak L.   +4 more
doaj   +1 more source

Neutrino-induced coherent pion production off nuclei reexamined

, 2009
It is pointed out that so far all theoretical estimates of coherent pion production off nuclei induced by neutrinos rely on the 'local approximation' well known in photonuclear physics. The effects of dropping this approximation are discussed.
Federico Sanchez, Luis Alvarez-Ruso, M. Sorel, S. Winkelmann, T. Leitner, U. Mosel   +5 more
core   +2 more sources

EEG Correlates of Auditory Short‐Term Memory and Dissimilarity Perception in Young and Older Adults

European Journal of Neuroscience, Volume 61, Issue 12, June 2025.
In this study, we investigated auditory short‐term memory for five‐pitch sequences in a group of young adults and a group of older adults. The evaluation of dissimilarity between two pitch sequences led to a negative slow wave (NSW) that was higher in young adults when the sequences were same, different, or transposed. NSW was higher when the sequences
M. Costa, P. Vuust, M. L. Kringelbach, L. Bonetti   +3 more
wiley   +1 more source

Chiral extrapolation of the sigma resonance

Physics Letters B, 2018
We analyze results on isoscalar ππ scattering from a Nf=2+1 lattice QCD calculation by the HadronSpectrum collaboration by re-summing the two-flavor chiral scattering amplitude of the next-to-leading order in the so-called inverse amplitude method.
Michael Döring, Bin Hu, Maxim Mai
doaj   +1 more source

Management of ischemic optic neuropathies

Indian Journal of Ophthalmology, 2011
Ischemic optic neuropathies (IONs) consist primarily of two types: anterior ischemic optic neuropathy (AION) and posterior ischemic optic neuropathy (PION).
Hayreh Sohan
doaj  

Hard exclusive pion electroproduction at backward angles with CLAS

Physics Letters B, 2018
We report on the first measurement of cross sections for exclusive deeply virtual pion electroproduction off the proton, ep→e′nπ+, above the resonance region at backward pion center-of-mass angles.
K. Park, M. Guidal, R.W. Gothe, B. Pire, K. Semenov-Tian-Shansky, J.-M. Laget, K.P. Adhikari, S. Adhikari, Z. Akbar, H. Avakian, J. Ball, I. Balossino, N.A. Baltzell, L. Barion, M. Battaglieri, I. Bedlinskiy, A.S. Biselli, W.J. Briscoe, W.K. Brooks, V.D. Burkert, F.T. Cao, D.S. Carman, A. Celentano, G. Charles, T. Chetry, G. Ciullo, L. Clark, P.L. Cole, M. Contalbrigo, V. Crede, A. D'Angelo, N. Dashyan, R. De Vita, E. De Sanctis, M. Defurne, A. Deur, C. Djalali, R. Dupre, H. Egiyan, A. El Alaoui, L. El Fassi, L. Elouadrhiri, P. Eugenio, G. Fedotov, R. Fersch, A. Filippi, M. Garçon, Y. Ghandilyan, G.P. Gilfoyle, F.X. Girod, E. Golovatch, K.A. Griffioen, L. Guo, K. Hafidi, H. Hakobyan, C. Hanretty, N. Harrison, M. Hattawy, D. Heddle, K. Hicks, M. Holtrop, C.E. Hyde, Y. Ilieva, D.G. Ireland, B.S. Ishkhanov, E.L. Isupov, D. Jenkins, S. Johnston, K. Joo, M.L. Kabir, D. Keller, G. Khachatryan, M. Khachatryan, M. Khandaker, W. Kim, F.J. Klein, V. Kubarovsky, S.E. Kuhn, L. Lanza, K. Livingston, I.J.D. MacGregor, N. Markov, B. McKinnon, M. Mirazita, V. Mokeev, R.A. Montgomery, C. Munoz Camacho, P. Nadel-Turonski, S. Niccolai, G. Niculescu, M. Osipenko, M. Paolone, R. Paremuzyan, E. Pasyuk, W. Phelps, O. Pogorelko, J. Poudel, J.W. Price, Y. Prok, D. Protopopescu, M. Ripani, A. Rizzo, P. Rossi, F. Sabatié, C. Salgado, R.A. Schumacher, Y. Sharabian, Iu. Skorodumina, G.D. Smith, D. Sokhan, N. Sparveris, S. Stepanyan, I.I. Strakovsky, S. Strauch, M. Taiuti, J.A. Tan, M. Ungaro, H. Voskanyan, E. Voutier, X. Wei, N. Zachariou, J. Zhang   +121 more
doaj   +1 more source

Constraints on the two-pion contribution to hadronic vacuum polarization [PDF]

Physics Letters B, 2020
G. Colangelo, M. Hoferichter, P. Stoffer
semanticscholar   +1 more source

Observation and investigation of πK atoms

EPJ Web of Conferences, 2017
There is accurate relation between lifetime of atoms, consisting of pion and kaon, and a difference of S-wave pion kaon scattering length with isospin 1/2 and 3/2: |a1/2 - a3/2 |. This difference is predicted by low energy QCD.
Yazkov Valeriy
doaj   +1 more source

Soft pion theorem for hard near threshold pion production

, 2001
We prove new soft pion theorem for the near threshold pion production by a hard electromagnetic probe. This theorem relates various near threshold pion production amplitudes to the nucleon distribution amplitudes.
A. F. Sill, A. I. Vainshtein, A. V. Efremov, A. V. Radyushkin, C. E. Carlson, C. E. Carlson, G. Sterman, J. Bolz, M. Gari, M. Gari, M. Strikman, M. V. Polyakov, M. V. Polyakov, N. M. Kroll, N. Stefanis, O. Teryaev, P. Bosted, P. E. Bosted, P. Lepage, P. Lepage, P. Lepage, P. Stoler, P. V. Pobylitsa, R. G. Arnold, R. Jakob, S. Adler, S. Rock, S. Scherer, V. Chernyak, V. L. Chernyak, V. L. Chernyak, Y. Nambu, Y. Nambu   +32 more
core   +1 more source