{"product_id":"reinessa-catching-the-ghost-1956-physics-t-shirt","title":"Reinessa – Catching the Ghost 1956 Physics T-Shirt","description":"\u003cp\u003eReinessa hunts ghosts with a lantern made of tanks. In 1956, near a nuclear reactor, one finally showed itself.\u003c\/p\u003e\u003ch3\u003eThe Physics\u003c\/h3\u003e\u003cp\u003eAntineutrinos from a reactor almost never interact, but now and then one hits a proton and turns it into a neutron and a positron. The detector looked for a pair of flashes: first the positron annihilating, then the neutron being captured in cadmium. The signal rose with reactor power.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eν̄ + p → n + e⁺\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eν̄: electron antineutrino\u003c\/li\u003e\n\u003cli\u003ep: proton\u003c\/li\u003e\n\u003cli\u003en: neutron\u003c\/li\u003e\n\u003cli\u003ee⁺: positron\u003c\/li\u003e\n\u003cli\u003eσ: cross section, ≈ 6.3 × 10⁻⁴⁸ m² (6.3 × 10⁻⁴⁴ cm²)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eC. L. Cowan Jr., F. Reines and colleagues reported the detection from the Savannah River Plant in Science on 20 July 1956.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eHonest caveat:\u003c\/em\u003e The signal agreed (within 5 per cent) with a predicted cross section of 6.3 × 10⁻⁴⁴ cm²; that is an agreement, not a precise measurement.\u003c\/p\u003e\u003ch3\u003eOn the shirt\u003c\/h3\u003e\u003cp\u003eFront: Reinessa, the pixel-art character, with the title. Back: the inverse beta decay reaction, the two-flash signature, the cross section, Savannah River Plant 1956 and the Science paper. Printed on a unisex tee.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"S \/ White","offer_id":50936655970407,"sku":"25405688409936050265","price":29.99,"currency_code":"USD","in_stock":true},{"title":"S \/ Black","offer_id":50936656003175,"sku":"11128109748053642654","price":29.99,"currency_code":"USD","in_stock":true},{"title":"M \/ White","offer_id":50936656035943,"sku":"20754621997631938168","price":29.99,"currency_code":"USD","in_stock":true},{"title":"M \/ Black","offer_id":50936656068711,"sku":"12241836943338141308","price":29.99,"currency_code":"USD","in_stock":true},{"title":"L \/ White","offer_id":50936656101479,"sku":"10796322338686071739","price":29.99,"currency_code":"USD","in_stock":true},{"title":"L \/ Black","offer_id":50936656134247,"sku":"10899673704005372201","price":29.99,"currency_code":"USD","in_stock":true},{"title":"XL \/ White","offer_id":50936656167015,"sku":"86534451417424343376","price":29.99,"currency_code":"USD","in_stock":true},{"title":"XL \/ Black","offer_id":50936656199783,"sku":"35686800861920430683","price":29.99,"currency_code":"USD","in_stock":true},{"title":"2XL \/ White","offer_id":50936656232551,"sku":"32595660148178110237","price":29.99,"currency_code":"USD","in_stock":true},{"title":"2XL \/ Black","offer_id":50936656265319,"sku":"48937290113978890732","price":29.99,"currency_code":"USD","in_stock":true},{"title":"3XL \/ White","offer_id":50936656298087,"sku":"36385292375783089348","price":29.99,"currency_code":"USD","in_stock":true},{"title":"3XL \/ Black","offer_id":50936656330855,"sku":"19818138370620745656","price":29.99,"currency_code":"USD","in_stock":true},{"title":"4XL \/ White","offer_id":50936656363623,"sku":"49018850359351140214","price":29.99,"currency_code":"USD","in_stock":true},{"title":"4XL \/ Black","offer_id":50936656396391,"sku":"24866341632575104288","price":29.99,"currency_code":"USD","in_stock":true},{"title":"5XL \/ White","offer_id":50936656429159,"sku":"26085385879699618255","price":29.99,"currency_code":"USD","in_stock":true},{"title":"5XL \/ Black","offer_id":50936656461927,"sku":"18834309773749184601","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/cowan-reines-1956_front_16_white.png?v=1793595829","url":"https:\/\/pixelatedphysics.com\/products\/reinessa-catching-the-ghost-1956-physics-t-shirt","provider":"Pixelated Physics","version":"1.0","type":"link"}