Hasegawa T - Search Results

1

Ultrafast timing enables reconstruction-free positron emission imaging.

Kwon SI, Ota R, Berg E, Hashimoto F, Nakajima K, Ogawa I, Tamagawa Y, Omura T, Hasegawa T, Cherry SR. Kwon SI, et al. Among authors: hasegawa t. Nat Photonics. 2021 Dec;15(12):914-918. doi: 10.1038/s41566-021-00871-2. Epub 2021 Oct 14. Nat Photonics. 2021. PMID: 35663419 Free PMC article.

2

Cherenkov radiation-based three-dimensional position-sensitive PET detector: A Monte Carlo study.

Ota R, Yamada R, Moriya T, Hasegawa T. Ota R, et al. Among authors: hasegawa t. Med Phys. 2018 May;45(5):1999-2008. doi: 10.1002/mp.12851. Epub 2018 Mar 23. Med Phys. 2018. PMID: 29509969

3

Coincidence time resolution of 30 ps FWHM using a pair of Cherenkov-radiator-integrated MCP-PMTs.

Ota R, Nakajima K, Ogawa I, Tamagawa Y, Shimoi H, Suyama M, Hasegawa T. Ota R, et al. Among authors: hasegawa t. Phys Med Biol. 2019 Mar 29;64(7):07LT01. doi: 10.1088/1361-6560/ab0fce. Phys Med Biol. 2019. PMID: 30870825

4

Precise analysis of the timing performance of Cherenkov-radiator-integrated MCP-PMTs: analytical deconvolution of MCP direct interactions.

Ota R, Nakajima K, Ogawa I, Tamagawa Y, Shimoi H, Suyama M, Hasegawa T. Ota R, et al. Among authors: hasegawa t. Phys Med Biol. 2020 Jun 5;65(10):10NT03. doi: 10.1088/1361-6560/ab8c8f. Phys Med Biol. 2020. PMID: 32325434

5

Lead-free MCP to improve coincidence time resolution and reduce MCP direct interactions.

Ota R, Nakajima K, Ogawa I, Tamagawa Y, Kwon SI, Berg E, Cherry SR, Shimoi H, Hasegawa Y, Nishizawa H, Shimano K, Hasegawa T. Ota R, et al. Among authors: hasegawa t, hasegawa y. Phys Med Biol. 2021 Mar 17;66(6):064006. doi: 10.1088/1361-6560/abea2c. Phys Med Biol. 2021. PMID: 33636710

6

[Direct Positron Emission Imaging Using Ultrafast Timing Performance Detectors].

Ota R, Kwon SI, Eric Berg, Hashimoto F, Nakajima K, Ogawa I, Tamagawa Y, Omura T, Hasegawa T, Cherry SR. Ota R, et al. Among authors: hasegawa t. Igaku Butsuri. 2024;44(2):29-35. doi: 10.11323/jjmp.44.2_29. Igaku Butsuri. 2024. PMID: 38945880 Free article. Japanese.

7

Evaluation of spatial dependence of point spread function-based PET reconstruction using a traceable point-like ²²Na source.

Murata T, Miwa K, Miyaji N, Wagatsuma K, Hasegawa T, Oda K, Umeda T, Iimori T, Masuda Y, Terauchi T, Koizumi M. Murata T, et al. Among authors: hasegawa t. EJNMMI Phys. 2016 Dec;3(1):26. doi: 10.1186/s40658-016-0162-3. Epub 2016 Oct 26. EJNMMI Phys. 2016. PMID: 27783373 Free PMC article.

8

Optical observation of energy loss distribution and practical range of positrons from a 18F water solution in a water-equivalent phantom.

Hasegawa T, Yoshida E, Shibuya K, Murayama H. Hasegawa T, et al. Med Phys. 2009 Feb;36(2):402-10. doi: 10.1118/1.3054765. Med Phys. 2009. PMID: 19291979

9

Validation of novel calibration scheme with traceable point-like (22)Na sources on six types of PET scanners.

Hasegawa T, Oda K, Wada Y, Sasaki T, Sato Y, Yamada T, Matsumoto M, Murayama H, Kikuchi K, Miyatake H, Abe Y, Miwa K, Akimoto K, Wagatsuma K. Hasegawa T, et al. Ann Nucl Med. 2013 May;27(4):346-54. doi: 10.1007/s12149-013-0692-x. Epub 2013 Feb 5. Ann Nucl Med. 2013. PMID: 23381938

10

On-clock non-paralyzable count-loss model.

Hasegawa T, Yoshida E, Yamaya T, Maruyama K, Murayama H. Hasegawa T, et al. Phys Med Biol. 2004 Feb 21;49(4):547-55. doi: 10.1088/0031-9155/49/4/006. Phys Med Biol. 2004. PMID: 15005164

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