Results 41 to 50 of about 170,362 (288)

Discreteness Corrections to the Effective Hamiltonian of Isotropic Loop Quantum Cosmology

, 2005
One of the qualitatively distinct and robust implication of Loop Quantum Gravity (LQG) is the underlying discrete structure. In the cosmological context elucidated by Loop Quantum Cosmology (LQC), this is manifested by the Hamiltonian constraint equation
Ashtekar A, Ashtekar A, Bojowald M, Bojowald M, Bojowald M, Bojowald M, Date G, Ghanashyam Date, Green M B, Kinjal Banerjee, Polchinski J, Rovelli C, Thiemann T   +12 more
core   +1 more source

Evaluation of myQA SRS detector for the stereotactic treatment plan verification [PDF]

Ядерна фізика та енергетика
Modern radiotherapy techniques involve the use of high-modulated radiation fields. Intensity Modulated Radiation Therapy and Volumetric Modulated Arc Therapy require careful quality control to ensure that the planned dose distributions can be delivered ...
K. Vilchynska, O. Bezshyyko, V. Vashchyshyn, L. Golinka-Bezshyyko, R. Zelinskyi   +4 more
doaj   +1 more source

CoGeNT: A Search for Low-Mass Dark Matter using p-type Point Contact Germanium Detectors

, 2013
CoGeNT employs p-type point-contact (PPC) germanium detectors to search for Weakly Interacting Massive Particles (WIMPs). By virtue of its low energy threshold and ability to reject surface backgrounds, this type of device allows an emphasis on low-mass ...
A. Knecht, C. E. Aalseth, H. S. Miley, J. Colaresi, J. Diaz Leon, J. E. Fast, J. I. Collar, J. L. Orrell, K. M. Yocum, M. G. Marino, M. L. Miller, M. S. Kos, N. E. Fields, null null, P. S. Barbeau, T. W. Hossbach   +15 more
core   +1 more source

Two years experience with quality assurance protocol for patient related Rapid Arc treatment plan verification using a two dimensional ionization chamber array

Radiation Oncology, 2011
Purpose To verify the dose distribution and number of monitor units (MU) for dynamic treatment techniques like volumetric modulated single arc radiation therapy - Rapid Arc - each patient treatment plan has to be verified prior to the first treatment ...
Vorwerk Hilke, Wagner Daniela
doaj   +1 more source

The Impact of Temporal Changes in Irradiated nMAG Polymer Gels on Their Applicability in Small Field Dosimetry in Radiotherapy

Gels, 2022
As advanced radiotherapy techniques progress to deliver a high absorbed dose to the target volume while minimizing the dose to normal tissues using intensity-modulated beams, arcs or stereotactic radiosurgery, new challenges occur to assure that the high
Aurimas Krauleidis, Diana Adliene, Zivile Rutkuniene   +2 more
doaj   +1 more source

Verification of an independent dose calculation method for portal-specific QA of proton and carbon ion beams

Radiation Medicine and Protection, 2022
Objective: To verify the accuracy of an independent dose calculation method, as incorporated into an in-house developed treatment planning system (TPS), for performing quality assurance of dose distributions delivered to a water phantom planned by a ...
Michael F. Moyers, Qianxia Wang, Yu Deng, Hongliang Chen, Zhi Chen, Xiaoli Liu, Nicki Schlegel, Jie Li, Zhuangming Shen, James Lin, Pablo Yepes   +10 more
doaj   +1 more source

Search for Prompt Neutrino Emission from Gamma-Ray Bursts with IceCube [PDF]

, 2015
We present constraints derived from a search of four years of IceCube data for a prompt neutrino flux from gamma-ray bursts (GRBs). A single low-significance neutrino, compatible with the atmospheric neutrino background, was found in coincidence with one
Aartsen, M. G., Ackermann, M., Adams, J., Aguilar, J. A., Ahlers, M., Ahrens, M., Altmann, D., Anderson, T., Arguelles, C., Arlen, T. C., Auffenberg, J., Bai, X., Barwick, S. W., Baum, V., Bay, R., Beatty, J. J., Becker, K. -H., BenZvi, S., Berghaus, P., Berley, D., Bernardini, E., Bernhard, A., Besson, D. Z., Binder, G., Bindig, D., Bissok, M., Blaufuss, E., Blumenthal, J., Boersma, D. J., Bohm, C., Bos, F., Bose, D., Botner, O., Brayeur, L., Bretz, H. -P., Brown, A. M., Buzinsky, N., Böser, S., Casey, J., Casier, M., Cheung, E., Chirkin, D., Christov, A., Christy, B., Clark, K., Classen, L., Clevermann, F., Coenders, S., Cowen, D. F., Daughhetee, J., Davis, J. C., Day, M., de André, J. P. A. M., De Clercq, C., De Ridder, S., de Vries, K. D., de With, M., Desiati, P., DeYoung, T., Dunkman, M., Díaz-Vélez, J. C., Eagan, R., Eberhardt, B., Ehrhardt, T., Eichmann, B., Eisch, J., Euler, S., Evenson, P. A., Fadiran, O., Fazely, A. R., Fedynitch, A., Feintzeig, J., Felde, J., Filimonov, K., Finley, C., Fischer-Wasels, T., Flis, S., Frantzen, K., Fuchs, T., Gaior, R., Gaisser, T. K., Gallagher, J., Gerhardt, L., Gier, D., Gladstone, L., Glüsenkamp, T., Goldschmidt, A., Golup, G., Gonzalez, J. G., Goodman, J. A., Grant, D., Gretskov, P., Groh, J. C., Groß, A., Góra, D., Ha, C., Haack, C., Hallen, P., Hallgren, A., Halzen, F., Hanson, K., Hebecker, D., Heereman, D., Heinen, D., Helbing, K., Hellauer, R., Hellwig, D., Heros, C. Pérez de los, Hickford, S., Hill, G. C., Hoffman, K. D., Hoffmann, R., Homeier, A., Hoshina, K., Huang, F., Huelsnitz, W., Hulth, P. O., Hultqvist, K., IceCube Collaboration, Ishihara, A., Ismail, A. Haj, Jacobi, E., Jacobsen, J., Japaridze, G. S., Jero, K., Jlelati, O., Jurkovic, M., Kaminsky, B., Kappes, A., Karg, T., Karle, A., Kauer, M., Keivani, A., Kelley, J. L., Kheirandish, A., Kiryluk, J., Klein, S. R., Kläs, J., Kohnen, G., Kolanoski, H., Koob, A., Kopper, C., Kopper, S., Koskinen, D. J., Kowalski, M., Kriesten, A., Krings, K., Kroll, G., Kroll, M., Kunnen, J., Kurahashi, N., Kuwabara, T., Köhne, J. -H., Köpke, L., Labare, M., Lanfranchi, J. L., Larsen, D. T., Larson, M. J., Lesiak-Bzdak, M., Leuermann, M., Lünemann, J., Madsen, J., Maggi, G., Maruyama, R., Mase, K., Matis, H. S., Maunu, R., McNally, F., Meagher, K., Medici, M., Meli, A., Meures, T., Miarecki, S., Middell, E., Middlemas, E., Milke, N., Miller, J., Mohrmann, L., Montaruli, T., Morse, R., Nahnhauer, R., Naumann, U., Niederhausen, H., Nowicki, S. C., Nygren, D. R., O'Murchadha, A., Obertacke, A., Odrowski, S., Olivas, A., Omairat, A., Palczewski, T., Paul, L., Penek, Ö., Pepper, J. A., Pfendner, C., Pieloth, D., Pinat, E., Posselt, J., Price, P. B., Przybylski, G. T., Pütz, J., Quinnan, M., Rameez, M., Rawlins, K., Redl, P., Rees, I., Reimann, R., Relich, M., Resconi, E., Rhode, W., Richman, M., Riedel, B., Robertson, S., Rodrigues, J. P., Rongen, M., Rott, C., Ruhe, T., Ruzybayev, B., Ryckbosch, D., Rädel, L., Saba, S. M., Sander, H. -G., Sandroos, J., Santander, M., Sarkar, S., Schatto, K., Scheriau, F., Schmidt, T., Schmitz, M., Schoenen, S., Schukraft, A., Schulte, L., Schulz, O., Schöneberg, S., Schönwald, A., Seckel, D., Sestayo, Y., Seunarine, S., Shanidze, R., Silva, A. H. Cruz, Smith, M. W. E., Soldin, D., Spiczak, G. M., Spiering, C., Stamatikos, M., Stanev, T., Stanisha, N. A., Stasik, A., Stezelberger, T., Stokstad, R. G., Strahler, E. A., Strotjohann, N. L., Ström, R., Stößl, A., Sullivan, G. W., Taavola, H., Taboada, I., Tamburro, A., Tepe, A., Ter-Antonyan, S., Terliuk, A., Tešić, G., Tilav, S., Tjus, J. Becker, Toale, P. A., Tobin, M. N., Tosi, D., Tselengidou, M., Unger, E., Usner, M., Vallecorsa, S., van Eijndhoven, N., van Santen, J., Vandenbroucke, J., Vanheule, S., Vehring, M., Voge, M., Vraeghe, M., Walck, C., Wallraff, M., Weaver, Ch., Wellons, M., Wendt, C., Westerhoff, S., Whelan, B. J., Whitehorn, N., Wichary, C., Wiebe, K., Wiebusch, C. H., Williams, D. R., Wissing, H., Wolf, M., Wood, T. R., Woschnagg, K., Xu, D. L., Xu, X. W., Xu, Y., Yanez, J. P., Yodh, G., Yoshida, S., Zarzhitsky, P., Ziemann, J., Zoll, M.   +302 more
core   +3 more sources

Organoids in pediatric cancer research

FEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

Reciprocal control of viral infection and phosphoinositide dynamics

FEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Study on the ability of 3D gamma analysis and bio-mathematical model in detecting dose changes caused by dose-calculation-grid-size (DCGS)

Radiation Oncology, 2020
Objective To explore the efficacy and sensitivity of 3D gamma analysis and bio-mathematical model for cervical cancer in detecting dose changes caused by dose-calculation-grid-size (DCGS).
Han Bai, Sijin Zhu, Xingrao Wu, Xuhong Liu, Feihu Chen, Jiawen Yan   +5 more
doaj   +1 more source