Data underlying the publication: Morphological and microstructural characterization of an ancient Chola bronze statuette by neutron‑based non‑invasive techniques

Neutron tomography projection dataset described in the publication as "thermal WB-NT at the FISH beamline", related to the investigation described in paragraph "The Pendant". The object measured is registered at/by Rijksmuseum Amsterdam, the data is taken at the FISH beamline of the TU Delft Reactor Institute (Netherlands) as described in the manuscript. "ob" stands for open-beam, "dc" stands for dark current, the closed beam and "proj" is the projection of one particular orientation of the object in the beam, with 800 orientations equally spread over the 360 degree vertical rotation axis of the stage on which the object was placed.

本数据集为中子断层扫描（Neutron Tomography）投影数据集，已发表文献中将其描述为"FISH光束线（FISH beamline）处的热中子宽带断层扫描（thermal WB-NT）"。该数据集关联"悬垂试样（The Pendant）"段落中所述的研究工作。本次测量的试样由阿姆斯特丹国立博物馆（Rijksmuseum Amsterdam）登记备案。数据采集于荷兰代尔夫特理工大学反应堆研究所（TU Delft Reactor Institute）的FISH光束线，具体采集细节详见研究手稿。其中，"ob"代表开光束（open-beam），"dc"代表暗电流（dark current，即闭合光束采集的背景信号），"proj"代表试样在束流中某一特定取向时的投影图像；试样被放置于载物台，载物台沿垂直旋转轴完成360°全周旋转，共采集800个均匀分布在该旋转轴上的取向对应的投影数据。