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@mxp@mastodon.acm.org
2026-01-06 22:33:20

LŠ, je suis tout Š fait d’accord avec M. Ganzer: «Ce que je constate, ce sont des manquements. Et des manquements ne doivent pas arriver dans un pays tel que le nôtre.»
rts.ch/info/regions/valais/202

@arXiv_physicsinsdet_bot@mastoxiv.page
2026-02-03 09:41:32

Proton Energy Dependence of Radiation Induced Low Gain Avalanche Detector Degradation
Veronika Kraus, Marcos Fernandez Garcia, Luca Menzio, Michael Moll
arxiv.org/abs/2602.01800 arxiv.org/pdf/2602.01800 arxiv.org/html/2602.01800
arXiv:2602.01800v1 Announce Type: new
Abstract: Low Gain Avalanche Detectors (LGADs) are key components for precise timing measurements in high-energy physics experiments, including the High Luminosity upgrades of the current LHC detectors. Their performance is, however, limited by radiation induced degradation of the gain layer, primarily driven by acceptor removal. This study presents a systematic comparison of how the degradation evolves with different incident proton energies, using LGADs from Hamamatsu Photonics (HPK) and The Institute of Microelectronics of Barcelona (IMB-CNM) irradiated with 18 MeV, 24 MeV, 400 MeV and 23 GeV protons and fluences up to 2.5x10^15 p/cm2. Electrical characterization is used to extract the acceptor removal coefficients for different proton energies, whereas IR TCT measurements offer complementary insight into the gain evolution in LGADs after irradiation. Across all devices, lower energy protons induce stronger gain layer degradation, confirming expectations. However, 400 MeV protons consistently appear less damaging than both lower and higher energy protons, an unexpected deviation from a monotonic energy trend. Conversion of proton fluences to 1 MeV neutron-equivalent fluences reduces but does not eliminate these differences, indicating that the standard Non-Ionizing Energy Loss (NIEL) scaling does not fully account for the underlying defect formation mechanisms at different energies and requires revision when considering irradiation fields that contain a broader spectrum of particle types and energies.
toXiv_bot_toot

@leftsidestory@mstdn.social
2026-02-26 00:30:04

Urban Demons VII 👻
城市鬼魂 VII 👻
📷 Zeiss IKON Super Ikonta 533/16
🎞️ Ilford HP5 400 Plus, expired 1993
If you like my work, buy me a coffee from PayPal paypal.com/paypalme/ydcdingsite

Ilford HP5 Plus 400 (6x6)

English Alt Text
A black‑and‑white photo of a tall street lamp with an old‑fashioned design. The lamp has a decorative metal top shaped like a scalloped dome and glass panels around the light. Several cables run from the pole outward in different directions. The sky behind it is cloudy and empty, giving the scene a quiet, nostalgic feeling. A faint outline of another pole or structure appears in the distance.
中文替代文字
一张黑白照片,画面中是一盏高高的老式路灯。灯罩呈波浪形金属顶,四周是玻璃面板。电线从灯杆向外延伸。背景是…
Ilford HP5 Plus 400 (6x6)

English Alt Text
A black‑and‑white image of a traditional Chinese bell tower. The structure features layered, upturned eaves and intricate wooden carvings. It stands on a stone platform with a decorative railing. A plaque on the stone wall bears Chinese characters meaning “Bell Tower.”
中文替代文字
一张黑白照片,呈现一座传统中国钟楼。建筑有多层飞檐和精致木雕,立于石基之上,周围有装饰性栏杆。石墙上的牌匾写着“钟楼”二字。
Ilford HP5 Plus 400 (6x6)

English Alt Text
A black‑and‑white photograph of an ornate building combining Chinese and Western architectural styles. The entrance is framed by carved columns and arches, and two statues stand on a balcony above it. The roof has traditional Chinese tiles and decorative ridges. Chinese characters above the entrance and balcony indicate themes related to theater or drama.
中文替代文字
一张黑白照片,展示一座融合中式与西式元素的华丽建筑。入口由雕刻柱子和拱门围成,上方阳台上立着两尊雕像。屋顶为传统中式瓦片和装饰脊。入口和阳台处的中文文字与戏剧相关。
Ilford HP5 Plus 400 (6x6)

English Alt Text
A traditional Chinese-style building with a large, detailed dragon sculpture mounted above the entrance. The dragon appears to leap outward with its mouth open and claws extended. The building has curved roof tiles, hanging lanterns, and ornate wooden details. Chinese characters are displayed on signs near the entrance.
中文替代文字
一座传统中式建筑,入口上方有一条雕刻精细的大龙,张口伸爪,仿佛从屋檐跃出。屋顶是弯曲瓦片,门口挂着灯笼,木雕装饰繁复。入口处的牌匾和窗上可见中文文字。
@leftsidestory@mstdn.social
2025-12-24 00:30:00

City Spot ⭕️
城市点阵 ⭕️
📷 Zeiss Ikon Super Ikonta 533/16
🎞️ Lucky SHD 400
#filmphotography #Photography #blackandwhite

Lucky SHD 400 (6x6)

English Alt Text:
A black-and-white photograph captures a modern cityscape from street level. A wide road stretches into the distance, flanked by evenly spaced trees and streetlights. Vehicles are visible on the road, suggesting light traffic. In the background, a cluster of high-rise buildings dominates the skyline, with one uniquely shaped skyscraper standing prominently at the center. The sky is filled with wispy, textured clouds, adding depth and atmosphere. The monochr…
Lucky SHD 400 (6x6)

English Alt Text:
A striking black-and-white photo shows the silhouette of a traditional East Asian pagoda or temple. The structure features multiple tiers with upturned eaves and ornate roof decorations. Its dark outline contrasts sharply against a bright sky. Two diagonal power lines cross the image, adding a modern touch. Birds are seen flying in the sky, bringing motion to the stillness. The composition blends cultural heritage with contemporary elements, evoking a sens…
Lucky SHD 400 (6x6)

English Alt Text:
A black-and-white image highlights the intricate roofline of a traditional East Asian temple or historic building. The roof features curved tiles, carved animal figures, and decorative ridges. Above the structure, the sky is clear, and tree branches stretch into view from the top edge. The contrast between the dark architectural details and the bright sky emphasizes craftsmanship and cultural richness. The photo evokes reverence for heritage and artistry.
…
Lucky SHD 400 (6x6)

English Alt Text:
A monochrome photo shows a man sitting on a low brick wall in front of a traditional East Asian building. He wears dark clothes and a backpack, holding a phone to his face as if talking. Behind him is a brick structure with a tiled roof and a large, weathered double door. Small bushes and trees frame the walkway leading to the door. A bottle and other items rest on the wall nearby. The scene blends modern activity with historical architecture.

中文替代文字:
这是一…
@leftsidestory@mstdn.social
2026-02-23 00:30:06

Urban Demons IV 👻
城市鬼魂 IV 👻
📷 Zeiss IKON Super Ikonta 533/16
🎞️ Ilford HP5 400 Plus, expired 1993
If you like my work, buy me a coffee from PayPal paypal.com/paypalme/ydcdingsite

Ilford HP5 Plus 400 (6x6)

Alt Text (English)
A color image showing a traditional East Asian building in the foreground with ornate curved roofs and detailed decorative ridges. Behind it rises a tall modern high‑rise with a simple geometric design. The contrast highlights old and new architectural styles coexisting in the same urban space.

Alt Text (Chinese)
一张彩色照片,前景是一座东亚传统建筑,屋顶弯曲精致,装饰细节丰富。背景是一栋现代高层建筑,线条简洁、几何感强。画面呈现传统与现代建筑在城市中并存的对比。
Ilford HP5 Plus 400 (6x6)

Alt Text (English)
A black‑and‑white photo of a large abstract metal sculpture in a city setting. The sculpture is made of circular and spiral shapes resembling a twisted ribbon, supported by metal frames. It sits among trees and bushes. In the background are tall office buildings and a street with moving vehicles, including a bus.

Alt Text (Chinese)
一张黑白照片,主体是一座大型抽象金属雕塑,由圆形和螺旋形结构组成,像扭曲的金属带,由支架支撑。雕塑周围有树木和灌木。背景是高楼和有车辆经过的街道,包括一辆公交车。
Ilford HP5 Plus 400 (6x6)

Alt Text (English)
A black‑and‑white photo taken from a low angle, showing three tall residential buildings. Two stand in the foreground like symmetrical towers, while a third rises between them in the distance. The buildings have many windows and balconies. The sky is hazy, and the image includes grainy, textured effects.

Alt Text (Chinese)
一张黑白照片,从低角度拍摄三栋高层住宅楼。前方两栋对称耸立,后方一栋位于中间更远处。建筑上布满窗户和阳台。天空灰白,画面带有颗粒和旧胶片般的纹理。
Ilford HP5 Plus 400 (6x6)

Alt Text (English)
A black‑and‑white photo of an outdoor sculpture featuring three winged female figures. They stand close together, lifting a large circular disc above their heads. Their wings and flowing garments create a sense of motion. Behind them are tall modern buildings and a curved architectural structure. The image has a vintage, film‑like grain.

Alt Text (Chinese)
一张黑白照片,画面中有一座户外雕塑,由三位长着翅膀的女性形象组成。她们紧靠在一起,高举一个大型圆盘。人物的翅膀和飘动的衣饰呈现出动态感。背景是高楼与弧形的现代建筑。整体带有胶片质感。
@leftsidestory@mstdn.social
2026-01-22 00:30:01

RED (Ocassionally) II 🔴
红 (有时) II 🔴
📷 Zeiss IKON Super Ikonta 533/16
🎞️ Harman Red 125 (6x6)
#filmphotography #Photography #blackandwhite

Harman Red 125 (6x6)

English Alt Text:
A close-up view of a traditional East Asian rooftop, likely Chinese, featuring ornate architectural details. The roof has curved eaves and upturned corners, with rows of dark tiles forming a rhythmic pattern. Decorative carvings adorn the edges, showcasing cultural craftsmanship. The image is heavily tinted with a magenta-pink filter, giving it a surreal, dreamlike quality. No sky or background is visible, focusing attention on the roof’s intricate design…
Harman Red 125 (6x6)

English Alt Text:
A quiet urban street lined with parked cars, including a white SUV in the foreground. Metal barricades are placed along the roadside, possibly for traffic control or construction. Trees and residential buildings line the street. The entire image is tinted with a strong orange-red filter, giving it a dramatic and surreal appearance. No people are visible, and the scene feels still and contemplative.
中文替代文字:
图像展示一条城市街道,路边停放着多辆汽车,前景是一辆白色SUV。金属护栏沿路摆放,可能用于交通管制…
Harman Red 125 (6x6)

English Alt Text:
An outdoor market scene with fresh produce displayed. Bundles of sugarcane lean against a brick wall. Plastic crates on the ground hold white radishes and other vegetables. A woven basket and plastic bags filled with produce are nearby. A red-framed glass door is open, revealing a sign in Chinese offering a small cash reward via QR code. The lighting casts a warm orange glow, enhancing the cozy, local atmosphere.
中文替代文字:
图像展示一个户外市场场景,地面上摆放着新鲜蔬菜。甘蔗成束靠在砖墙边,…
Harman Red 125 (6x6)

English Alt Text:
A storefront window of a traditional meat shop. A large piece of meat hangs inside, visible through the glass. Two warm-toned hanging lamps illuminate the interior, where shelves with various items are faintly seen. The window is framed in red, and the exterior wall is made of brick. The image is bathed in a reddish-orange hue, creating a nostalgic and atmospheric mood. Chinese signs flank the window but are blurred.
中文替代文字:
这是一家传统肉铺的橱窗图像。玻璃窗内挂着一块大肉,店内有两盏…