Belle II Virtual Reality Instructions✓ Double-click the “Belle II VR” icon. Put on the Oculus Rift headset,

pick up the Xbox controller, and wait for the VR world to appear.

✓ Click the X button on the Xbox controller to resume the animation. The first event is e+ e– → 𝜇+ 𝜇– .

forward

left right

backward

up

–– ––

down

speed up

earlier later

slow down

Y: Hide/show detector hitsX: Pause / ResumeA: Select (in menu, etc)

Show MenuHide Menu

right thumbleft thumb

(index finger) zoom out

(index finger) zoom in

Belle II Virtual Reality Instructions✓ Click the Start button to show the menu and the Back button to hide it.

✓ Move your head to place the green dot on an item then press A to select it.

Main menu Transformation menu

Detector hide/show menu Particles and events menu

Belle II Virtual Reality Instructions✓ In the Particles menu, select from among 140 events to animate.

✓ Scroll in the list to highlight the desired event then press A.

✓ Highlight the “Load Event” button then press A.

Event legend:300-309: e+ e– → 𝜇+ 𝜇–

310-319: e+ e– → 𝜋+ 𝜋–

320-329: e+ e– → e+ e–

330-339: e+ e– → 𝛾 𝛾

340-349: e+ e– → K+ K–

350-359: e+ e– → KS KL

360-369: e+ e– → 𝛬 𝛬–

370-379: e+ e– → p p–

380-389: e+ e– → s s–

390-399: e+ e– → c c–

400-409: e+ e– → B0 B–0 → (J/𝜓 KS)(D+ 𝜇– 𝜈)

410-419: e+ e– → B+ B– → (𝜏 𝜈)(D0 𝜋–)

420-429: e+ e– → B0 B–0 → (J/𝜓 KS)(D+ 𝜇– 𝜈)

430-439: e+ e– → B+ B– → (𝜏 𝜈)(D0 𝜋–){second B is hidden

✓ Or wait: the animation automatically skips tothe next event